最新刊期
卷 30 ， 期 14 ， 2024
- “最新研究发现，苓桂术甘汤能有效缓解慢性支气管炎大鼠的肺部炎症和气道黏液分泌，具有抗炎化痰作用。研究揭示其作用机制可能与PLA2-TRPV1/TRPA1通路相关，为慢性支气管炎治疗提供新思路。”摘要：ObjectiveTo study the effect and mechanism of Linggui Zhugantang in treating chronic bronchitis （CB） induced by exposure to cigarette smoke combined with tracheal instillation of lipopolysaccharide （LPS）.MethodSixty SPF-grade SD rats were randomly divided into normal， model， dexamethasone （1 mg·kg-1）， and high-， medium-， and low-dose （30.06， 15.03， 7.515 g·kg-1， respectively） Linggui Zhugantang groups by the body weight stratification method， with 10 rats in each group. Each group was administrated with 200 μL LPS （1 g·L-1） by tracheal instillation on days 1 and 14， respectively， while the normal group was administrated with an equal volume of normal saline. Except the normal group， the other groups were exposed to cigarette smoke on days 2-13 and 15-30 （10 cigarettes/time/30 min， twice/day） for the modeling of CB. The rats were administrated with corresponding drugs by gavage for 30 consecutive days from day 2 of modeling， and the mental status， behavior， and body weights of the rats were observed and measured. The wet/dry mass ratio （W/D） of the left lung was measured 30 days after modeling. Hematoxylin-eosin staining was employed to observe the pathological changes in the lung and bronchial tissues. The bronchial mucus secretion and goblet cell proliferation were observed by Alcian blue-periodic acid Schiff （AB-PAS） staining. The levels of mucin 5AC （MUC5AC）， interleukin （IL）-13， IL-6， and tumor necrosis factor （TNF）-α in the serum were determined by enzyme-linked immunosorbent assay. The expression of phospholipase A2 （PLA2）， transient receptor potential vanilloid receptor 1 （TRPV1）， and transient receptor potential ankyrin 1 （TRPA1） in the lung tissue was quantitatively analyzed by immunohistochemistry and Western blot.ResultCompared with the normal group， the model group showcased abnormal mental status and behaviors， bloody secretion in the nose and mouth， the mortality rate of 40%， decreased body weight， severe lung bronchial structure damage， a large number of inflammatory mediators and inflammatory cell infiltration in the tube wall， hyperemia， edema， and fibroplasia， massive proliferation of goblet cells， excessive secretion and accumulation of mucus， stenosis and deformation of the lumen， and aggravation of pulmonary edema （P<0.01）. In addition， the model group had higher levels of MUC5AC， IL-13， IL-6， and TNF-α in the serum and higher expression of PLA2 in the lung tissue than the normal group （P<0.01）. Compared with the model group， the medication groups showed normal mental status and behaviors， reduced mortality rate， stable weight gain， reduced lung and bronchial injuries， decreased goblet cell proliferation and mucus secretion， and alleviated pulmonary edema （P<0.01）. Furthermore， Linggui Zhugantang lowered the levels of MUC5AC， IL-13， IL-6， and TNF-α in the serum and down-regulated the protein levels of PLA2， TRPV1， and TRPA1 in the lung tissue （P<0.01）.ConclusionLinggui Zhugantang can reduce the pulmonary inflammation and airway mucus hypersecretion in the rat model of chronic bronchitis. It may exert the effects of reducing inflammation and resolving phlegm by regulating the PLA2-TRPV1/TRPA1 pathway.关键词：Linggui Zhugantang;chronic bronchitis;airway mucus hypersecretion;inflammation;transient receptor potential （TRP） channel
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发布时间：2024-06-14 -
Effect of Buyang Huanwutang on Skeletal Muscle Injuries in Mouse Model of Type 2 Diabetes Mellitus AI导读
“最新研究发现，补阳还五汤能有效改善2型糖尿病小鼠骨骼肌病变，降低血糖和炎性介质，提高线粒体蛋白表达，为糖尿病治疗提供新思路。”摘要：ObjectiveTo study the effects of Buyang Huanwutang on the skeletal muscle injuries in type 2 diabetes mellitus from mitochondrial transport， glucose metabolism， oxidative stress， and inflammation.MethodA total of 60 SPF-grade male C57BL/6J mice were selected in this study. The mouse model of type 2 diabetes mellitus was established with a high-fat diet combined with intraperitoneal injection of streptozotocin. The mice were assigned by the random number table method into blank control， model， high-， medium-， and low-dose （86.5， 43.2， 21.6 g·kg-1， respectively） Buyang Huanwutang， and metformin （150 mg·kg-1） groups， 10 mice in each group. During the experiment period， blood glucose and other indicators of mice were measured regularly. At the end of the experiment， skeletal muscle samples were collected and frozen in 4% paraformaldehyde and -80 ℃， respectively. Blood samples were sent for examination. The skeletal muscle was stained with hematoxylin-eosin. The levels of inflammation indicators and reactive oxygen species （ROS） were determined by enzyme-linked immunosorbent assay. The expression of mitochondrial proteins was determined by Western blot and immunohistochemistry.ResultCompared with the blank control group， the model group showcased increased fasting blood glucose， water intake， and food intake （P<0.01） and decreased body weight （P<0.01）. Compared with the model group， metformin and Buyang Huanwutang reduced the fasting blood glucose， water intake， and food intake （P<0.05， P<0.01） and increased the body weight （P<0.01）. Compared with the blank control group， the model group showed rising levels of tumor necrosis factor-alpha （TNF-α）， interleukin-6 （IL-6）， and ROS （P<0.01）， which were decreased by metformin and Buyang Huanwutang （P<0.05， P<0.01）. The skeletal muscle fibers in the model group were generally atrophic and thin， which suggested atrophy and morphological changes of the skeletal muscle， while metformin and Buyang Huanwutang alleviated the pathological changes of the skeletal muscle and restored the morphology of fiber bundles. Compared with the blank control group， the modeling down-regulated the expression of the mitofusin2 （Mfn2） （P<0.01）， which was up-regulated by metformin and Buyang Huanwutang （P<0.05， P<0.01）. Compared with the blank control group， the modeling up-regulated the expression of the dynamin-related protein （Drp1） （P<0.01）， which were down-regulated by metformin and Buyang Huanwutang （P<0.01）.ConclusionBuyang Huanwutang can improve the body weight and attenuate the pathological changes of the skeletal muscle， reduce fasting blood glucose， food intake， and water intake， lower the levels of TNF-α， IL-6， and ROS， down-regulate the expression of Drp1， and up-regulate the expression of Mfn2 in the mouse model of type 2 diabetes mellitus.关键词：Buyang Huanwutang;type 2 diabetes mellitus;skeletal muscle;mitochondria;mitofusin2 （Mfn2）;dynamin-related protein （Drp1）- 94
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发布时间：2024-06-14 - “最新研究发现，右归丸能有效改善慢性阻塞性肺疾病（COPD）大鼠的肺功能，降低炎症反应和胶原沉积，其机制可能与抑制Leptin/JAK2/STAT3信号通路相关。”摘要：ObjectiveTo observe the effect of Youguiwan on the leptin/Janus kinase 2 （JAK2）/signal transducer and activator of transcription 3 （STAT3） signaling pathway in the lung tissue of the rat model of chronic obstructive pulmonary disease （COPD） due to kidney-Yang deficiency.MethodForty rats were modeled for COPD with the syndrome of kidney-Yang deficiency by intratracheal instillation of lipopolysaccharide on day 1 and day 14 and continuous fumigation for 6 weeks， during which hydrocortisone was injected intramuscularly at an interval of 3 days. The modeled rats were randomized into model， high- （11.7 g·kg-1）， medium- （5.85 g·kg-1）， and low-dose （2.93 g·kg-1） Youguiwan， and aminophylline （0.054 g·kg-1） group. In addition， 8 SD rats were set as the blank group. After the completion of modeling， the rats in each group were administrated with the corresponding drug by gavage for 28 consecutive days. After the last administration， samples were collected. A lung function analyzer was used to evaluate the lung function of rats. Enzyme-linked immunosorbent assay was employed to measure the levels of interleukin-17A （IL-17A）， interleukin-6 （IL-6）， and tumor necrosis factor-α （TNF-α） in the bronchoalveolar lavage fluid （BALF）. Hematoxylin-eosin staining was employed to observe the pathological changes in the lung tissue， and Masson staining was employed to observe the deposition of blue collagen fibers around bronchi in the lung tissue and calculate the inflammation score. The immunofluorescence assay was employed to measure the protein content of collagen type Ⅰ （ColⅠ） and α-smooth muscle actin （α-SMA） in the bronchi. The protein and mRNA levels of leptin， IL-17A， JAK2， and STAT3 in the lung tissue were determined by Western blot and real-time fluorescence quantitative polymerase chain reaction， respectively.ResultCompared with the blank group， the model group showed decreased lung function （P<0.01）， elevated levels of IL-6， IL-17A， and TNF-α in the BALF （P<0.01）， and increased lung inflammation score， deposition of subcutaneous collagen fibers in the airway， and ColⅠ and α-SMA proteins （P<0.01）. Furthermore， the modeling up-regulated the proteins and mRNA levels of leptin， IL-17A， JAK2， and STAT3 in the lung tissue （P<0.01） and enhanced the phosphorylation of JAK2 and STAT3 （P<0.01）. Compared with the model group， high- and medium-dose Youguiwan improved the lung function， decreased the inflammation score， reduced collagen fiber deposition and ColⅠ and α-SMA proteins， lowered the levels of IL-6， IL-17A， and TNF-α in the BALF， down-regulated the mRNA and protein levels of leptin， JAK2， STAT3， and IL-17A， and weakened the phosphorylation of JAK2 and STAT3 （P<0.05， P<0.01）. The aminophylline group had higher IL-17A and TNF-α levels than the high-dose Youguiwan group， lower IL-17A level than the medium and low-dose Youguiwan groups， and lower TNF-α level than the low-dose Youguiwan group. Compared with the aminophylline group， the high- and medium-dose Youguiwan groups showed reduced deposition of collagen fibers and protein levels of ColⅠ and α-SMA around the bronchi in the lung tissue （P<0.05， P<0.01）， decreased inflammation score， and down-regulated protein and mRNA levels of leptin， JAK2， STAT3， and IL-17A in the lung tissue.ConclusionYouguiwan can prevent airway remodeling by inhibiting IL-17A to reduce inflammation and collagen deposition in COPD rats， which may be related to the inhibition of the leptin/JAK2/STAT3 signaling pathway.关键词：chronic obstructive pulmonary disease （COPD）;Youguiwan;interleukin-17A （IL-17A）;leptin;Janus kinase 2/signal transducer and activator of transcription 3
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发布时间：2024-06-14 - “最新研究发现，黄芪-莪术通过抑制补体C5a/C5aR通路，降低中性粒细胞胞外诱捕网表达，改善高凝状态，有效抑制肿瘤生长转移。”摘要：ObjectiveTo explore the mechanisms of Astragali Radix-Curcumae Rhizoma （HQ-EZ） in alleviating hypercoagulability and inhibiting tumor growth and metastasis by modulating the formation of neutrophil extracellular traps （NETs） via the complement component 5a （C5a）/C5a receptor （C5aR） pathway.MethodForty male C57BL/6 mice were randomized into four groups： Blank， model， HQ-EZ （8.2 g·kg-1）， and PMX53 （1 mg·kg-1）. The mouse model of Lewis lung cancer was established in other three groups except the blank group. Mice were administrated with corresponding drugs from day 3 after modeling. Specifically， the HQ-EZ decoction was administrated for 14 consecutive days， while intraperitoneal injection of PMX53 was implemented on days 3， 6， 9， 12， and 15. Mouse body weight and tumor diameter were measured every two days. On the next day of the last administration， lung microCT was performed to observe the tumor metastasis in vivo. Blood samples were collected from the eyeball after anesthetization， and tumor and lungs were collected after the mice were sacrificed. Tumor weight was measured to calculate the tumor growth inhibitory rate. Enzyme-linked immunosorbent assay was employed to measure the levels of C5a， neutrophil elastase （NE）， citrullinated histone-H3 （Cit-H3）， myeloperoxidase （MPO）， matrix metallopeptidase-9 （MMP-9）， NETs， von Willebrand Factor （vWF）， tissue factor （TF）， and P-selectin in the serum and tumor tissue. Terminal-deoxynucleotidyl transferase-mediated dUTP-biotin nick end labeling was conducted to assess apoptosis in the tumor tissue. Hematoxylin-eosin staining was conducted to observe lung metastasis， and immunofluorescence （IF） was employed to observe the expression of NETs in the tumor tissue. Western blot was employed to determine the protein levels of C5aR， MPO， and Cit-H3 in the tumor tissue.ResultCompared with the blank group， the model group had nodules in the lung， increased areas with low X-ray transmittance， appearance of nodular foci and multiple hemorrhagic foci in the lungs， and darkening lung color. Furthermore， the modeling elevated the serum levels of C5a， NETs and related proteins， vWF， TF， and P-selectin （P<0.01）. Compared with the model group， HQ-EZ and PMX53 reduced the lung metastases， areas with low X-ray transmittance， and nodules in the lungs and lightened the lung color. Compared with the model group， the two drug intervention groups showed flat tumor growth curves， decreased tumor weight （P<0.01）， increased apoptosis of tumor cells （P<0.01）， lowered levels of C5a， NETs and related proteins， vWF， TF， and P-selectin both in the serum and tumor tissue （P<0.05）， and down-regulated protein levels of C5aR， MPO， and Cit-H3 （P<0.05）.ConclusionHQ-EZ inhibited the expression of NETs by suppressing the C5a/C5aR pathway， thereby alleviating hypercoagulability and inhibiting tumor growth and metastasis.关键词：neutrophil extracellular trap;NETosis;replenishing Qi and activating blood;Qi deficiency and blood stasis;lung metastasis
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发布时间：2024-06-14 - “最新研究发现，海藻甘草反药组合在《中华人民共和国药典》高限2倍剂量下，对甲状腺肿大模型大鼠肝脏氧化应激具有保护作用。研究结果表明，海藻甘草组合通过激活Nrf2/HO-1信号通路减轻氧化应激，抑制p53/Caspase-3信号通路减少肝细胞凋亡，为甲状腺疾病治疗提供了新思路。”摘要：ObjectiveTo observe the effects of Sargassum and Glycyrrhizae Radix et Rhizoma incompatible pair with the Haizao Yuhutang （HYT） on oxidative stress in the liver of goiter rats under the condition of 2 times the dose limit of the Pharmacopoeia of the People's Republic of China 2020.MethodA total of 128 male Wistar rats were randomly divided into a blank group， a model group， a euthyrox group （20 μg·kg-1）， a HYT group （12.06 g·kg-1）， a HYT without Sargassum （HYT-H） group （9.90 g·kg-1）， a HYT without Glycyrrhizae Radix et Rhizoma （HYT-G） group （10.26 g·kg-1）， a HYT without Sargassum and Glycyrrhizae Radix et Rhizoma （HYT-HG） group （8.10 g·kg-1）， and a Sargassum and Glycyrrhizae Radix et Rhizoma （HG） group （3.96 g·kg-1）. The blank group was given deionized water by gavage， and the others were given propylthiouracil （PTU） to replicate the goiter pathological model. Euthyrox was taken as a positive control drug， and the rest of the Chinese medicine groups were given the corresponding decoction by gavage， the material was collected 12 hours after the last dose. The serum levels of aspartate aminotransferase （AST）， alanine aminotransferase （ALT）， alkaline phosphatase （ALP）， and the contents of superoxide dismutase （SOD）， glutathione peroxidase （GSH-Px）， malondialdehyde （MDA）， reactive oxygen species （ROS） in liver tissue were detected in each group. The pathological changes in the liver were observed via hematoxylin-eosin （HE） staining. Real-time fluorescence quantitative polymerase chain reaction （Real-time PCR） was utilized to detect the mRNA expressions of Kelch-like Ech-associated protein 1 （Keap1）， nuclear factor E2-related factor 2 （Nrf2）， heme oxygenase-1 （HO-1）， p53 and Caspase-3 in liver tissues. Western blot was adopted to detect the protein expressions of Nrf2 and HO-1 in liver tissues in oxidative stress-related signaling pathways.ResultCompared with control group， the model group showed significantly increased serum ALT level and contents of MDA and ROS in liver tissues （P<0.05， P<0.01）， significantly reduced activities of SOD and GSH-Px in the liver （P<0.01）， significantly increased mRNA expression of Keap1 （P<0.01）， and significantly decreased mRNA and protein expressions of Nrf2 and HO-1 （P<0.05， P<0.01）. Compared with the model group， the HYT group manifested significantly reduced serum levels of AST， ALT， and ALP （P<0.05， P<0.01）， significantly reduced contents of MDA and ROS in liver tissue （P<0.01）， significantly increased the activities of SOD and GSH-Px （P<0.01）， significantly decreased mRNA expressions of Keap1， p53， and Caspase-3 （P<0.01）， and significantly increased mRNA and protein expressions of Nrf2 and HO-1 （P<0.05， P<0.01）.ConclusionUnder the condition of 2 times the dose limit of the Pharmacopoeia of the People's Republic of China 2020， Sargassum and Glycyrrhizae Radix et Rhizoma incompatible pair with the HYT on oxidative stress in the liver of goiter rats had different effects. The HYT that contains Sargassum and Glycyrrhizae Radix et Rhizoma has a protective effect on the liver of goiter rats， and the effect is better than that of the HG group， the euthyrox group， and the incomplete groups. Its mechanism may be related to activating the Nrf2/HO-1 signaling pathway to alleviate liver oxidative stress and inhibiting the p53/Caspase-3 signaling pathway to reduce hepatocyte apoptosis.关键词：Haizao Yuhutang;goiter;oxidative stress in the liver;nuclear factor E2-related factor 2 （Nrf2）;p53
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发布时间：2024-06-14 - “最新研究发现，归肾丸通过抑制AMPK/mTOR/HIF-1/VEGF信号通路，有效改善卵泡发育不良大鼠模型的卵巢功能，促进卵泡成熟，疗效优于左归饮、右归饮和四物汤，为肾精亏虚证治疗提供新思路。”摘要：ObjectiveTo determine the syndrome of a rat model of follicular dysplasia induced by Tripterygium glycosides based on prescriptions and investigate the mechanism of traditional Chinese medicine intervention via the adenosine monophosphate-activated protein kinase （AMPK）/mammalian target of rapamycin （mTOR）/hypoxia-inducible factor-1 （HIF-1）/vascular endothelial growth factor （VEGF） pathway.MethodForty-eight rats with regular estrous cycles were randomly assigned into a normal group （n=8） and a modeling group （n=40）. The rats in the modeling group were administrated with Tripterygium glycoside suspension （75 mL·kg-1） by gavage for 30 days. The modeled rats were assigned into model， Siwutang （3.69 g·kg-1）， Youguiyin （3.11 g·kg-1）， Zuoguiyin （7.29 g·kg-1）， and Guishenwan （10.35 g·kg-1） groups， with 8 rats in each group. The drug intervention lasted for 14 days. The changes of estrous cycle were detected by Pap staining， and a stereoscope was used to observe the morphology of the ovarian tissue. Hematoxylin-eosin staining was employed to observe the pathological changes and follicle count in the ovarian tissue. Enzyme-related immunosorbent assay （ELISA） was used to measure the levels of follicle-stimulating hormone （FSH）， luteinizing hormone （LH）， and estradiol （E2） in the serum. Real-time fluorescence quantitative polymerase chain reaction and Western blot were employed to determine the mRNA and protein levels， respectively， of AMPK， mTOR， HIF-1， and VEGF in the ovarian tissue.ResultCompared with the normal group， the model group had a disordered estrous cycle， reduced secondary and mature follicles， increased atretic follicles， elevated FSH and LH levels， lowered E2 level， up-regulated mRNA and protein levels of AMPK， and down-regulated mRNA and protein levels of mTOR， HIF-1， and VEGF （P<0.01）. Compared with the model group， Guishenwan increased secondary and mature follicles， decreased atretic follicles， lowered the FSH and LH levels， elevated the E2 level， down-regulated the mRNA and protein levels of AMPK， and up-regulated the mRNA and protein levels of mTOR， HIF-1， and VEGF （P<0.01）. Compared with Guishenwan group， Siwutang， Youguiyin， and Zuoguiyin decreased mature follicles， increased atretic follicles （P<0.01）， elevated the LH （P<0.01） and FSH （P<0.05） levels， and lowered the E2 level （P<0.05）. In addition， Youguiyin up-regulated the protein level of AMPK （P<0.05） and down-regulated the mRNA levels of mTOR and HIF-1 （P<0.01） as well as the mRNA and protein levels of VEGF （P<0.01）. Siwutang down-regulated the mRNA levels of mTOR and HIF-1 as well as the mRNA and protein levels of VEGF （P<0.05）. Zuoguiyin down-regulated the mRNA level of mTOR and the protein and mRNA levels of VEGF （P<0.05）.ConclusionGuishenwan may improve the ovarian function and promote follicle maturation in a rat model of follicular dysplasia by inhibiting the AMPK/mTOR/HIF-1/VEGF pathway， with the therapeutic effect superior to Zuoguiyin， Youguiyin， and Siwutang. It was hypothesized that this model presented the syndrome of kidney-essence deficiency.关键词：follicular dysplasia;Guishenwan;determination of syndrome based on prescription;syndrome of kidney-essence deficiency;adenosine monophosphate-activated protein kinase （AMPK）/mammalian target of rapamycin （mTOR）/hypoxia-inducible factor-1 （HIF-1）/vascular endothelial growth factor （VEGF） pathway
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发布时间：2024-06-14 - “最新研究发现，加味升降散能通过上调Sirt1表达，抑制PERK/eIF2α通路，减轻糖尿病肾病大鼠肾脏内质网应激和氧化应激，降低尿蛋白，为糖尿病肾病治疗提供新策略。”摘要：ObjectiveTo explore the molecular mechanism of modified Shengjiangsan in alleviating endoplasmic reticulum （ER） stress and reducing urinary protein in the rat model of diabetic nephropathy （DN）.MethodSeventy-five SD rats were randomized into normal， model， low-， medium-， and high-dose （4.37， 8.73， 17.46 g·kg-1， respectively） modified Shengjiangsan， and irbesartan （0.014 g·kg-1） groups， with 10 rats in each group. Rats were administrated with corresponding doses of medications or distilled water by gavage， once a day， for 8 consecutive weeks. After the last administration， the levels of glucose （GLU） in the blood， 24-hour urinary protein （24 h-UTP）， and superoxide dismutase （SOD）， malondialdehyde （MDA）， and glutathione peroxidase （GSH-Px） in the renal tissue were measured. Hematoxylin-eosin staining， periodic acid-Schiff staining， and transmission electron microscopy were employed to observe the pathological changes in rat kidneys. Immunohistochemistry was employed to measure the expression levels of nephrin， podocin， glucose-regulated protein 78 （GRP78）， C/EBP homologous protein （CHOP）， and activating transcription factor 4 （ATF4） in the kidneys of rats. Western blot was employed to measure the protein levels of silent information regulator 1 （Sirt1）， phosphorylated （p）-protein kinase RNA-like endoplasmic reticulum kinase （PERK）， and p-eukaryotic translation initiation factor 2 alpha （eIF2α） in rat kidneys.ResultCompared with the normal group， the modeling caused pathological damage to the kidneys， elevated the levels of GLU and 24 h-UTP （P<0.05）， up-regulated the protein levels of GRP78， CHOP， ATF4， p-PERK， and p-eIF2α （P<0.05）， and down-regulated the protein level of Sirt1 （P<0.05） in rat kidneys. Compared with the model group， modified Shengjiangsan and irbesartan lowered the GLU and 24 h-UTP levels （P<0.05）， alleviated the pathological damage in the renal tissue， down-regulated the protein levels of GRP78， CHOP， ATF4， p-PERK， and p-eIF2α （P<0.05）， and up-regulated the protein level of Sirt1 （P<0.05）.ConclusionModified Shengjiangsan up-regulates Sirt1 expression and inhibits phosphorylation of proteins in the PERK/eIF2α pathway to reduce ER stress and oxidative stress in the renal tissue， thus alleviating the pathological damage in the renal tissue and reducing urinary protein in DN rats.关键词：modified Shengjiangsan;diabetic nephropathy;podocyte injury;oxidative stress;endoplasmic reticulum stress;silent information regulator 1 （Sirt1）/protein kinase RNA-like endoplasmic reticulum kinase （PERK） pathway
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发布时间：2024-06-14 - “最新研究发现，加味四妙散通过调控miR-223-3p干预NLRP3/IL-1β信号通路，有效抑制急性痛风性关节炎大鼠模型的炎症反应。”摘要：ObjectiveTo investigate the effect of modified Simiaosan on miR-223-3p and NOD-like receptor thermal protein domain associated protein 3 （NLRP3）/interleukin-1β （IL-1β） signaling pathway in rat model with acute gouty arthritis （AGA） and explore the anti-inflammatory mechanism of modified Simiaosan on AGA.MethodA total of 72 8-week-old male SD rats were selected. They were divided into blank group， model group， colchicine group （0.3 mg·kg-1）， high-dose modified Simiaosan group （31.75 g·kg-1）， medium-dose modified Simiaosan group （15.75 g·kg-1）， and low-dose modified Simiaosan group （7.875 g·kg-1） according to random number table method， with 12 rats in each group. Except for the blank group， monosodium urate （MSU） crystal suspension was injected into the right ankle joint of rats by the Coderre method in other groups to replicate the rat model with AGA. The drug administration groups were given the corresponding drug solution by gavage， and the model group and the blank group were given an equal volume of sterile sodium chloride solution by gavage for one week. The circumference of the rats' ankle joint was measured， and the swelling degree of the ankle joint was calculated. Hematoxylin-eosin （HE） staining was used to detect the pathological morphological changes in the synovial tissue of the ankle joint. The levels of IL-1β， tumor necrosis factor-α （TNF-α）， and interleukin-6 （IL-6） in the serum of rats in each group were detected by enzyme-linked immunosorbent assay （ELISA）. Western blot was used to detect the protein expressions of NLRP3， Caspase-1， and apoptosis-related spot-like protein （ASC） in synovial tissue of rats in each group， and real-time fluorescence quantitative polymerase chain reaction （Real-time PCR） was used to detect the mRNA expressions of NLRP3， Caspase-1， and ASC and the expression of miR-223-3p in synovial tissue of rats.ResultCompared with that in the normal group， the swelling degree of the ankle joint in the model group was higher （P<0.01）， and the synovial tissue structure was disordered. Synovial cells proliferated obviously， and a large number of inflammatory cells were infiltrated. The levels of IL-1β， IL-6， and TNF-α in the serum of the model group increased significantly （P<0.01）， and the protein and mRNA expressions of NLRP3， Caspase-1， and ASC increased， while expression of miR-223-3 decreased. Compared with the model group， the swelling degree of ankle joint in the colchicine group and high-dose and medium-dose modified Simiaosan groups was lower （P<0.05）. Synovial cell proliferation and inflammatory cell infiltration of the colchicine group and high-dose， medium-dose， and low-dose modified Simiaosan groups were reduced to varying degrees， among which the colchicine group and high-dose modified Simiaosan group improved most obviously. The levels of IL-1β， IL-6， and TNF-α in the serum of rats in different dose groups of modified Simiaosan and colchicine group decreased significantly （P<0.01）， while the protein and mRNA expressions of NLRP3， Caspase-1， and ASC increased （P<0.01）. The expression of miR-223-3p in synovial tissue of the medium-dose and high-dose modified Simiaosan groups and colchicine group increased significantly （P<0.01）. Compared with those in the colchicine group， the levels of IL-1β， IL-6， and TNF-α in the low-dose modified Simiaosan group increased greatly （P<0.01）. In the medium-dose modified Simiaosan group， the protein expressions of NLRP3， Caspase-1， and ASC increased， and the expression of miR-223-3p decreased （P<0.05）. In the low-dose modified Simiaosan group， the levels of IL-1β， IL-6， and TNF-α increased greatly （P<0.01）， as well as the protein and mRNA expressions of NLRP3， Caspase-1， and ASC， while the expression of miR-223-3p was decreased （P<0.01）.ConclusionModified Simiaosan may play an anti-inflammatory role by intervening in the NLRP3/IL-1β signaling pathway via regulating miR-223-3p.关键词：modified Simiaosan;acute gouty arthritis;inflammatory signaling pathway;miR-223-3p
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发布时间：2024-06-14 - “最新研究发现，加味温胆汤通过调控NF-κB/NLRP3信号通路，减少炎性因子释放和黏附，调节血糖，有效防治糖尿病动脉粥样硬化。”摘要：ObjectiveTo explore the mechanism of Jiawei Wendantang in preventing and treating diabetic atherosclerosis by observing the effect of this prescription on the nuclear factor-κB / NOD-like receptor protein 3（NF-κB/NLRP3） pathway and related inflammatory cytokines in rat model of diabetic atherosclerosis.MethodFifty-four SPF-grade rats were randomized into blank， model， atorvastatin （0.9 mg·kg-1·d-1）， and high-， medium-， low-dose （18.2， 9.1， 4.55 g·kg-1·d-1， respectively） Jiawei Wendantang groups. The rats in other groups except the blank group were modeled for diabetic atherosclerosis by intraperitoneal injection of streptozotocin and feeding with a high-sugar high-fat diet， and those in the blank group were injected with an equal dose of citric acid buffer and fed with a regular diet. The drug administration lasted for 4 weeks， and the blood glucose level in the tail vein was measured every 6 days. After the last administration， the rats were anesthetized for sample collection. Enzyme-linked immunosorbent assay was employed to measure the serum levels of interleukin-18 （IL-18）， C-reactive protein （CRP）， tumor necrosis factor-α （TNF-α）， and intercellular adhesion molecule-1 （ICAM-1）. Western blot was employed to determine the relative protein levels of NF-κB p65， NLRP3， and ICAM-1 in the abdominal aorta. Real-time quantitative polymerase chain reaction was employed to determine the mRNA levels of NLRP3 and interleukin-1β （IL-1β） in the abdominal aorta. The pathological changes in the thoracic aorta were observed by hematoxylin-eosin staining.ResultCompared with the blank group， the model group showed elevated levels of IL-18， CRP， TNF-α， and ICAM-1 in the serum and blood glucose （P<0.05， P<0.01）， up-regulated protein levels of NF-κB p65， NLRP3， and ICAM-1 （P<0.01）， and up-regulated mRNA levels of NLRP3 and IL-1β （P<0.05）. Compared with model group， Jiawei Wendantang lowered the levels of IL-18， CRP， TNF-α， ICAM-1 and blood glucose （P<0.05， P<0.01）， down-regulated the protein levels of NF-κB p65， NLRP3， and ICAM-1 （P<0.01）， and down-regulated the mRNA levels of NLRP3 and IL-1β （P<0.05， P<0.01）. Moreover， Jiawei Wendantang alleviated the pathological injuries in the thoracic aorta.ConclusionJiawei Wendantang may modulate the NF-κB/NLRP3 signaling pathway to reduce the release and adhesion of inflammatory cytokines and regulate the blood glucose level to treat diabetic atherosclerosis.关键词：Jiawei Wendantang;diabetic atherosclerosis;nuclear factor-κB （NF-κB）;NOD-like receptor protein 3 （NLRP3）;inflammatory cytokines
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发布时间：2024-06-14 - 摘要：ObjectiveTo investigate the effects of berbamine hydrochloride on sorafenib resistance in hepatocellular carcinoma cells and the underlying mechanisms.MethodThe sorafenib-resistant cell line SMMC-7721/S was selected by the concentration increment method starting at 1.25 μmol·L-1 sorafenib. Both SMMC-7721 and SMMC-7721/S cells were treated with 0， 2.5， 5， 10， 15， 20 μmol·L-1 sorafenib， and the cell counting kit-8 （CCK-8） assay was employed to determine the half maximal inhibitory concentration （IC50） and calculate the resistance index （RI）. Western blot was conducted to compare the expression of proteins involved in autophagy and phosphatidylinositol 3-kinase/protein kinase B/mammalian target of rapamycin （PI3K/Akt/mTOR） signaling pathway between SMMC-7721 and SMMC-7721/S cells. Furthermore， SMMC-7721/S cells were treated with 5 μmol·L-1 berbamine hydrochloride alone or in combination with 2.5， 5， 10 μmol·L-1 sorafenib， and the cell growth was assessed by the CCK-8 assay. In addition， SMMC-7721 and SMMC-7721/S cells were treated with 5 μmol·L-1 berbamine hydrochloride alone or in combination with 5 μmol·L-1 sorafenib， and the cell proliferation was examined by the colony formation assay. The immunofluorescence assays with Microtubule-associated protein 1 light chain 3 （LC3） and LysoTracker as probes were employed to assess the lysosomal acidification in SMMC-7721 cells treated with 5 μmol·L-1 berbamine hydrochloride or 0.1 μmol·L-1 autophagy inhibitor bafilomycin A1 （Baf）. Further， the expression of proteins involved in autophagy and PI3K/Akt/mTOR signaling pathway was determined by Western blot and compared between groups.ResultSorafenib showed the IC50 of 9.56 mol·L-1 （P<0.01） and 7.99 mol·L-1 for SMMC-7721/S and SMMC-7721 cells， respectively， at 24 h. The resistance index （RI） of SMMC-7721/S for sorafenib was 1.20 （P<0.01）， which indicated mild resistance. Compared with SMMC-7721 cells， SMMC-7721/S cells exhibited up-regulated expression of p-mTOR， p-Akt， and LC3Ⅱ， down-regulated expression of p62 protein （P<0.01）， and unchanged Akt protein level. CCK-8 and colony formation assays demonstrated that the combination of berbamine hydrochloride and sorafenib exhibited a synergistic effect （Q>1.15）， with berbamine hydrochloride partially reversing the resistance of liver cancer cells to sorafenib. The immunofluorescence detection of LC3 revealed that berbamine hydrochloride and Baf significantly increased LC3 in SMMC-7721 cells. The detection with LysoTracker as the probe showed that berbamine hydrochloride inhibited the acidity of lysosomes in SMMC-7721 cells （P<0.01）， indicating the suppression of autophagy. Berbamine hydrochloride further enhanced the downregulation of p-mTOR and p-Akt protein levels and did not change the Akt protein level in SMMC-7721 cells exposed to sorafenib. Berbamine hydrochloride inhibited the increase in p-mTOR expression， down-regulated the p-Akt protein level， and did not change the total Akt protein level in the SMMC-7721/S cells exposed to sorafenib.ConclusionBerbamine hydrochloride can ameliorate the resistance of liver cancer cells to sorafenib by inhibiting cellular autophagy and the PI3K/Akt/mTOR signaling pathway.关键词：berbamine hydrochloride;sorafenib resistance;autophagy;phosphatidylinositol 3-kinase/protein kinase B/mammalian target of rapamycin （PI3K/Akt/mTOR）;liver cancer
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发布时间：2024-06-14 - “最新研究发现，芳樟醇能有效保护大鼠免受黄曲霉毒素B1引起的急性肝损伤，通过调节Nrf2/HO-1信号通路抑制肝脏细胞铁死亡，调节氧化应激水平。”摘要：ObjectiveTo investigate the effect of linalool against acute liver injury induced by aflatoxin B1（AFB1） in rats and explore its protective mechanism.MethodTwenty male SPF SD rats were randomly divided into three groups： Control （n=6）， AFB1 （n=7）， and linalool （n=7） groups. Linalool solution （200 mg·kg-1） was administered preventatively for 14 days， while the control and AFB1 groups intragastrically received an equivalent volume of double distilled water. After preventative administration of linalool， AFB1 solution （1 mg·kg-1， dissolved in saline） was intraperitoneally injected for two consecutive days to induce acute liver injury in rats. Samples were collected and processed 14 days after model establishment. Pathological changes in liver tissue of rats were observed using Hematoxylin-eosin（HE） staining and Masson staining. Biochemical detection was performed to measure the levels of alanine transaminase（ALT）， aspartate transaminase（AST）， γ-glutamyl transferase（GGT）， lactate dehydrogenase（LDH）， alkaline phosphatase（ALP）， total bilirubin（TBil）， direct bilirubin（DBil）， indirect bilirubin（IBil）， malondialdehyde（MDA）， superoxidedismutase（SOD）， catalase（CAT） ， glutathione（GSH）， Fe3+， and Fe2+ in the liver tissue. Western blot was adopted to assess protein expression levels of nuclear factor-erythroid 2-related factor 2（Nrf2） and heme oxygenase-1（HO-1）. Molecular docking was performed to verify the binding between linalool and key proteins of the Nrf2/HO-1 signaling pathway. Molecular dynamics techniques were used to confirm the stability and affinity of linalool binding with key proteins of the Nrf2/HO-1 signaling pathway.ResultPathological results showed that compared to that in the AFB1 group， the liver structure in the linalool group tended to be normal， with a significant decrease in blue collagen fibers. The linalool group exhibited significantly reduced levels of ALT， AST， GGT， LDH， ALP， TBil， DBil， and IBil （P<0.01）， Fe3+ and Fe2+ content， and oxidative stress marker MDA （P<0.01）. The levels of antioxidants SOD， CAT， and GSH significantly increased （P<0.01）. Molecular docking showed a molecular docking energy between linalool and Nrf2 and HO-1 targets of -5.495 6 and -5.199 4 kcal·mol-1（1 cal≈4.186 J）， respectively. Molecular dynamics results indicated strong affinity in the binding of linalool with Nrf2 and HO-1. Western blot revealed a significant increase in Nrf2 protein expression （P<0.05） and a decrease in HO-1 protein expression （P<0.01） in the linalool group.ConclusionLinalool may protect against AFB1-induced acute liver injury by modulating the Nrf2/HO-1 ferroptosis signaling pathway to inhibit liver cell ferroptosis and regulate hepatic oxidative stress levels.关键词：aflatoxin B1;linalool;acute liver injury;nuclear factor-E2-related factor 2（Nrf2）/heme oxygenase-1（HO-1）;ferroptosis;oxidative stress
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发布时间：2024-06-14 - “最新研究发现，黄五甘附膏通过调控巨噬细胞极化和p38 MAPK信号通路，有效缓解膝骨关节炎外周炎性痛敏。”摘要：ObjectiveTo observe the regulatory effect of Huangwu Ganfu ointment on transient receptor potential anchor protein 1 （TRPV1） receptor expression， macrophage polarization， and p38 mitogen-activated protein kinase （p38 MAPK） signaling pathway in synovial tissue of knee osteoarthritis （KOA） rats with yang deficiency and cold coagulation syndrome and explore the mechanism of relieving peripheral inflammatory hyperalgesia of KOA.MethodForty-eight male SD rats were randomly divided into blank group， model group， high-dose， middle-dose， and low-dose groups of Huangwu Ganfu ointment （9.3， 4.65， 2.325 g·kg-1）， and celecoxib group （20.82 mg·kg-1）. The KOA rat model of yang deficiency and cold coagulation syndrome was established through climate box and swimming for two weeks combined with an injection of sodium iodoacetate （MIA） in the articular cavity. After continuous administration for four weeks， the general condition of rats in each group was observed， and the pain withdrawal threshold （PWT） and joint diameter induced by mechanical stimulation were recorded. The expression levels of interleukin-1β （IL-1β）， tumor necrosis factor-α （TNF-α）， nerve growth factor （NGF）， and calcitonin gene-related peptide （CGRP） inflammatory factor were detected by enzyme-linked immunosorbent assay （ELISA）， and the histopathological changes of synovial tissue of the knee joint were observed by hematoxylin-eosin （HE） staining. Western blot was used to detect the protein expression of TRPV1， p38 MAPK， and p-p38 MAPK in synovial tissue of the knee joint， and immunofluorescence （IF） was used to evaluate the polarization of M1/M2 macrophages.ResultCompared with that in the blank group， the overall mental state of the model group was worse， and the autonomous activity was decreased. The body mass was lower， and the joint diameter was increased. The X-ray showed that the osteophyte at the edge of the joint proliferated， and the articular surface was obviously rough. The articular cavity was significantly narrowed， and the PWT was significantly decreased （P<0.01）. The contents of IL-1β， TNF-α， CGRP， and NGF in serum and synovium Krenn score increased significantly （P<0.01）. The protein expression of TRPV1 and p-p38 MAPK/p38 MAPK increased significantly （P<0.01）， and the proportion of M1 macrophages and M1/M2 increased （P<0.01）， while the proportion of M2 macrophages decreased （P<0.01）. Compared with model group， the body mass in the low， middle， and high dose groups of Huangwu Ganfu ointment increased to different degrees （P<0.05， P<0.01）. The diameter of the knee joint in the high dose group of Huangwu Ganfu ointment and celecoxib group decreased （P<0.01）. The recovery of PWT in the high and middle dose groups of Huangwu Ganfu ointment groups was more obvious （P<0.05）. The contents of IL-1β and CGRP in the serum of rats in each administration group were significantly decreased （P<0.01）， and the content of serum TNF-α in the celecoxib group and high dose group of Huangwu Ganfu ointment decreased significantly （P<0.05）. The content of serum NGF in the middle dose group of Huangwu Ganfu ointment decreased significantly （P<0.05）， and the synovium Krenn score decreased in the high dose group of Huangwu Ganfu ointment （P<0.05）. In addition， the protein expression of TRPV1 and p-p38 MAPK/p38 MAPK in synovial tissue decreased significantly in all groups of Huangwu Ganfu ointment （P<0.01）. The proportion of M1 macrophages in synovial tissue in the celecoxib group and all groups of Huangwu Ganfu ointment decreased （P<0.01）， and the proportion of M2 macrophages in the high dose group of Huangwu Ganfu ointment increased （P<0.05）. The M1/M2 in the middle and high dose groups of Huangwu Ganfu ointment decreased （P<0.05）.ConclusionHuangwu Ganfu ointment can mediate the polarization of macrophages to reduce the inflammatory reaction of KOA， alleviate the release of inflammatory pain mediators， and lower the protein expression of TRPV1. The mechanism may be related to the p38 MAPK signaling pathway， so as to improve the peripheral hyperalgesia of KOA.关键词：Huangwu Ganfu ointment;knee osteoarthritis;transient receptor potential anchor protein 1 （TRPV1）;macrophage polarization;Huangqi Guizhi Wuwutang;Gancao Fuzitang
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发布时间：2024-06-14 - “最新研究揭示，脑震宁颗粒通过促进线粒体生物合成，有效改善脑震荡后综合征大鼠的记忆功能和神经元损伤。”摘要：ObjectiveTo explore the effects of Naozhenning granules on the memory function and neuron cells in the rat model of post-concussion syndrome based on mitochondrial biosynthesis.MethodSPF-grade Wistar rats were used to establish the multiple cerebral concussion （MCC） model by the weight-drop method. The successfully modeled rats were assigned into model， piracetam （0.324 g·kg-1）， and low-， medium-， and high-dose （2.25， 4.5， and 9 g·kg-1， respectively） Naozhenning groups. The rats were administrated with corresponding drugs by gavage and those in the blank group and model group were administrated the same volume of normal saline once a day for 14 days. The general state of rats was observed before and after treatment. The open field test and new object recognition test were conducted to examine the motor and memory abilities of rats. Hematoxylin-eosin staining was employed to observe the pathological changes of cortical neurons in rats. Western blot and real-time polymerase chain reaction were employed to determine the protein and mRNA levels， respectively， of peroxisome proliferator-activated receptor γ-coactivator-1α （PGC-1α）， nuclear respiratory factor-1 （NRF-1）， and transcription factor A mitochondrial （TFAM） in rat cortex.ResultCompared with the blank group， the model group showed anxious and manic mental status， yellow and messy fur， and reduced food intake. In the open field experiment， the model group showed reduced total movement distance， times of entering the central grid， and times of rearing decreased and increased resting time compared with the blank group （P<0.01）. The model group had lower recognition index of new objects than the blank group （P<0.01）. In addition， the modeling caused reduced neurons with sparse distribution and deformed， broken， and irregular nucleoli and down-regulated the mRNA and protein levels of PGC-1α， NRF-1， and TFAM in the cortex （P<0.01）. Compared with the model group， piracetam and Naozhenning improved the mental state， coat color， food intake， and activities of rats. In the open field test， piracetam and Naozhenning increased the total movement distance， the times of entering the central grid， and the times of rearing and shortened the resting time （P<0.05， P<0.01）. The piracetam and Naozhenning groups had higher recognition index of new objects than the model group （P<0.05， P<0.01）. Compared with the model group， the piracetam and Naozhenning groups showed increased neurons with tight arrangement and large and round nuclei， and some cells with irregular morphology and turbid cytoplasm. Furthermore， piracetam and medium-dose Naozhenning upregulated the protein levels of PGC-1α， NRF-1， and TFAM （P<0.01）. Low-dose Naozhenning upregulated the protein levels of NRF-1 and TFAM （P<0.01）， and high-dose Naozhenning upregulated the protein levels of PGC-1α and TFAM in the cortex （P<0.01）. The mRNA levels of PGC-1α， NRF-1， and TFAM in the cortex were upregulated in the piracetam group and Naozhenning groups （P<0.05， P<0.01）.ConclusionNaozhenning granules can improve the motor， memory， and learning， repair the neuronal damage， and protect the nerve function in the rat model of MCC by promoting mitochondrial biosynthesis.关键词：post-concussion syndrome;mitochondrial energy metabolism;biosynthesis;Naozhenning granules;cortex
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发布时间：2024-06-14 - “最新研究显示，青玉散胶囊在治疗轻中度活动期溃疡性结肠炎方面具有显著疗效和良好安全性。通过随机对照研究，青玉散组的临床缓解率和黏膜愈合率均显著高于对照组，同时改善了中医证候和患者生存质量。该研究为溃疡性结肠炎的治疗提供了新的解决方案。”摘要：ObjectiveTo evaluate the efficacy and safety of Qingyusan capsules in the long-term treatment of mild to moderate active ulcerative colitis （UC） with the syndrome of large intestine dampness-heat.MethodA randomized， controlled design was adopted， and 88 patients with mild to moderate UC and syndrome of large intestine dampness-heat were randomized into a Qingyusan （Qingyusan capsules， 0.8 g·d-1） group and a control （mesalazine， 0.4 g·d-1） group， with 44 patients in each group. Three and one patients dropped out in the control and Qingyusan groups， respectively， during the 32 weeks of treatment. The clinical remission rate， mucosal healing rate， and modified Mayo score， TCM symptom score， and short inflammatory bowel disease questionnaire （SIBDQ） score before and after treatment were compared between the two groups. The colonoscopic and pathological changes were observed， and the clinical safety was compared between the two groups.ResultAfter treatment， the clinical remission rate and mucosal healing rate in the Qingyusan group were 72.1% （31/43） and 74.4% （32/43）， respectively， which were higher than those ［26.8% （11/41） and 41.5% （17/41）， respectively］ in the control group （χ2=17.200， χ2=10.843， respectively， both P<0.01）. The treatment in both groups decreased the modified Mayo score， partial Mayo score， and TCM symptom score （P<0.05）， and the decreases in the Qingyusan group were higher than those in the control group （P<0.01）. After treatment， the SIBDQ scores in both groups increased （P<0.05）， and the increase was more pronounced in the Qingyusan group than in the control group （P<0.01）. There was no difference in the incidence of adverse events between the two groups.ConclusionThe clinical efficacy of Qingyusan capsules is remarkable in the long-term treatment of UC with the syndrome of large intestine dampness-heat. Particularly， Qingyusan capsules demonstrates advantages in inducing and maintaining clinical remission， promoting mucosal healing， alleviating TCM symptoms， and enhancing the survival quality of patients， with high safety.关键词：Qingyusan capsules;ulcerative colitis;syndrome of large intestine dampness-heat;clinical study
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发布时间：2024-06-14 - “在膝骨关节炎治疗领域，江苏省中医院骨科专家通过真实世界回顾性队列研究，验证了膝痹宁Ⅱ方联合常规西药治疗寒湿痹阻型膝骨关节炎的显著疗效，为提高临床治愈率提供了新方案。”摘要：ObjectiveTo retrospectively analyze the clinical efficacy of Xibining Ⅱ prescription in the treatment of knee osteoarthritis with cold-dampness blockage syndrome by oral medication and to explore the influencing factors of endpoint events.MethodA real-world retrospective cohort design was adopted， and medical records of knee osteoarthritis patients with cold-dampness blockage syndrome treated with oral medication from the orthopedics outpatient department of Jiangsu Province Hospital of Chinese Medicine were collected. All patients received conventional Western medicine treatment and were divided into non-exposure group （573 cases） and exposure group （427 cases） according to whether or not they received treatment with Xibining Ⅱ prescription. Descriptive analysis of the baseline data of the 1 000 screened cases was performed using IBM SPSS 27.0. According to the baseline data， 334 pairs were matched using the propensity score matching method， resulting in a total of 668 cases in both groups. The changes in visual analogous scale （VAS）， Western Ontario and McMaster Universities Osteoarthritis Index （WOMAC） total score， Japanese Knee Osteoarthritis Measure （JKOM） score， and traditional Chinese medicine （TCM） syndrome score before treatment and at 2， 6， 12 weeks after treatment， as well as the incidence of adverse reactions， were compared between the two groups. A multivariate logistic regression analysis was conducted to analyze the influencing factors of endpoint events， with clinical cure judged based on the improvement rate of WOMAC total score before and after treatment.ResultAfter 12 weeks of treatment， compared to the results before treatment， the VAS， WOMAC total score， JKOM score， and TCM syndrome score of patients in both groups significantly decreased （P<0.01）. Compared to the non-exposure group， the exposure group showed a more significant reduction in VAS， WOMAC total score， JKOM score， and TCM syndrome score （P<0.01）. After 12 weeks of treatment， the clinical cure rate and significant efficiency were higher in the exposure group than in the non-exposure group （P<0.05）. Compared to the results before treatment within each group， VAS， WOMAC pain， stiffness， function scores， JKOM score， and TCM syndrome score significantly decreased at 2， 6， 12 weeks after treatment in both groups （P<0.01）. Compared to the non-exposure group at the same time points， the exposure group showed a reduction in VAS at 2， 12 weeks， WOMAC pain at 6， 12 weeks， and function scores at 12 weeks （P<0.05， P<0.01）. The JKOM score decreased at 6， 12 weeks， and the TCM syndrome score significantly decreased at 2， 6， 12 weeks in the exposure group （P<0.05， P<0.01）. Multivariate logistic regression analysis at 12 weeks showed that factors affecting clinical cure included the course of disease， history of alcohol consumption， hypertension， coronary heart disease， and the use of Xibining Ⅱ prescription （P<0.05， P<0.01）. Compared to the non-exposure group at the same time points， the incidence of epigastric discomfort in the exposure group was lower at 2， 12 weeks （P<0.01）， the incidence of diarrhea and vomiting was slightly higher than that in the non-exposure group， but the difference was not statistically significant.ConclusionThe clinical application of Xibining Ⅱ prescription combined with conventional Western medicine treatment in the treatment of knee osteoarthritis with cold-dampness blockage syndrome is more effective than conventional Western medicine treatment alone. It can significantly reduce VAS， WOMAC total score， JKOM score， and TCM syndrome score， with more pronounced long-term effects and a low incidence of adverse reactions.关键词：real-world study;retrospective cohort study;Xibining Ⅱ prescription;knee osteoarthritis;clinical efficacy
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发布时间：2024-06-14 - “最新研究显示，健脾法在结直肠腺瘤内镜术后治疗中具有显著疗效和高安全性。通过Meta分析29篇文献，发现健脾中药疗法联合西医常规治疗能显著降低术后复发率，改善临床症状，且未见严重不良反应。研究还发现，白术、党参等健脾功效中药常与其他药物联合应用。这一发现为结直肠腺瘤术后患者的治疗提供了新的解决方案。”摘要：ObjectiveTo evaluate the efficacy and safety of spleen-strengthening therapy in the treatment of postoperative colorectal adenoma.MethodRandomized controlled trials （RCTs） of spleen-strengthening therapy for postoperative colorectal adenoma published in the databases of China National Knowledge Infrastructure （CNKI）， Wanfang Data， VIP， SinoMed， PubMed， Cochrane Library， Embase， Web of Science， and Clinical Trials registry center from database inception to February， 2024 were retrieved and selected based on inclusion and exclusion criteria. The included RCTs were subjected to Meta-analysis using RevMan 5.3 software.ResultA total of 29 articles were included， involving 2 935 patients， with 1 462 in the experimental group and 1，473 in the control group. The Meta-analysis results showed that compared with conventional Western medical treatment alone， the experimental group that combined the spleen-strengthening therapy with conventional Western treatment had a significantly lower recurrence rate at six months post-surgery ［relative risk （RR）=0.45， 95% confidence interval （CI） ［0.37， 0.53］， P<0.000 01］， and at one year post-surgery （RR=0.54， 95%CI ［0.47， 0.63］， P<0.000 01）. Additionally， the experimental group showed significant improvement in clinical symptoms （RR=1.28，95%CI ［1.17，1.40］， P<0.000 01） and more pronounced effects in suppressing inflammatory factors， with no serious adverse reactions observed. The differences were all statistically significant. The analysis of the Chinese medicines used in the included articles revealed 28 prescriptions with 99 different drugs used 369 times in total. The most frequently used drug was Atractylodis Macrocephalae Rhizoma， followed by Codonopsis Radix， Poria， Glycyrrhizae Radix et Rhizoma， and Citri Reticulatae Pericarpium. Furthermore， correlation analysis showed that spleen-strengthening drugs were often used in combination with heat-clearing and toxin-removing drugs， qi-regulating drugs， and blood-activating drugs such as Hedyotidis Diffusae Herba， Citri Reticulatae Pericarpium， and Curcumae Rhizoma.ConclusionThe spleen-strengthening therapy demonstrates good clinical efficacy and high safety for patients with postoperative colorectal adenoma. However， due to the limitations in the quantity and quality of the included RCTs， more high-quality clinical trials are needed to verify these conclusions.关键词：spleen-strengthening therapy;colorectal adenoma;recurrence rate;safety;Meta-analysis
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发布时间：2024-06-14 - 摘要：ObjectiveThis study aims to explore risk factors for the development of major adverse cardiovascular and cerebrovascular events （MACCEs） in middle-aged and elderly patients with type 2 diabetes mellitus complicated with stable angina pectoris （T2DM-SAP） based on real-world clinical data in traditional Chinese medicine （TCM）， so as to develop a COX proportional risk prediction model and visualize the predicted results using a nomogram.MethodBased on the clinical scientific research information sharing system， the medical records of 586 T2DM-SAP patients （45-94 years old） were collected from January 2012 to December 2019， including age， gender， course of disease， major medical history， laboratory examination， tongue image， pulse image， TCM syndrome， and major treatment drugs. MACCE outcome indicators of patients were obtained by telephone follow-up and re-hospitalization records. The data was divided into a training set and a validation set according to 7∶3. In the training set， COX univariate analysis was used to determine the risk factors for MACCE in T2DM-SAP patients， and then variables were screened by forward-backward stepwise regression method， so as to establish a MACCE risk prediction model and construct a nomogram. The predictive efficacy of the model was reflected by the C-index， receiver operating characteristic （ROC） curve， calibration map， and clinical decision curve.ResultThe history of cerebrovascular disease ［Hazard ratio （HR）=1.983， 95% confidence interval （CI，1.314-2.993）］， low-density lipoprotein （LDL-C/mmol·L-1）≥4.1［HR=2.683， 95%CI（1.461-4.925）］， dull red tongue ［HR=1.955， 95%CI（1.273-3.002）］， dull purple tongue ［HR=4.214， 95%CI（2.017-8.803）］， white thick coating ［HR=3.030， 95%CI（1.634-9.293）］， thin and weak pulse ［HR=2.233， 95%CI（1.283-3.888）］， and syndrome of wind-phlegm blocking collaterals ［HR=2.007， 95%CI（1.179-3.418）］ were found to be risk factors in middle-aged and elderly T2DM-SAP patients. Insulin ［HR=0.604， 95%CI（0.399-0.914）］， glycosidase inhibitor ［HR=0.627， 95%CI（0.409-0.962）］， and TCM treatment ［HR=0.328， 95%CI（0.214-0.503）］ were protective factors in middle-aged and elderly T2DM-SAP patients. The prediction model was constructed based on the above risk factors. The C-index of the model was 0.818 （95% CI 0.777 -0.859） in the training set and 0.814 （95% CI 0.773-0.855） in the validation set， and the change of C-index over time was plotted. The AUC of patients for 5， 10， 15 years in the training set was 0.71， 0.67， and 0.61. The AUC of patients for 5， 10， and 15 years in the validation set was 0.60， 0.68， and 0.63， respectively. The calibration map and clinical decision curves of 5， 10， 15 years were drawn in the training set and the validation set， respectively. The model was well calibrated and clinically effective.ConclusionThe history of cerebrovascular disease， LDL， dull red tongue， dull purple tongue， white thick coating， thin and weak pulse， and syndrome of wind-phlegm blocking collaterals are risk factors for MACCE in middle-aged and elderly T2DM-SAP patients， and insulin， glycosidase inhibitors， TCM treatment are protective factors for MACCE in middle-aged and elderly T2DM-SAP patients. A clinical prediction model is established accordingly. This model has good discrimination， calibration degree， and clinical effectiveness and provides a scientific basis for the prevention and treatment of MACCE in middle-aged and elderly T2DM-SAP patients.关键词：middle-aged and elderly people;diabetes mellitus complicated with stable angina pectoris;traditional Chinese medicine （TCM） prediction model;adverse cardiovascular and cerebrovascular events;nomogram
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发布时间：2024-06-14 -
Comparison of Wild and Cultivated
Bupleurum chinense Based on Traditional Quality Evaluation 增强出版 AI导读“最新研究揭示野生与栽培北柴胡在外观性状、初生代谢产物、次生代谢产物含量上存在明显差异，为增补修订栽培北柴胡质量评价标准提供参考。”摘要：ObjectiveIn order to understand the quality differences between wild and cultivated Bupleurum chinense（BC）， modern analytical techniques were used to systematically compare the quality of wild and cultivated BC in terms of appearance characteristics， primary and secondary metabolites.MethodSamples of wild and cultivated BC were collected from the main production areas of Shanxi， Shaanxi and Hebei， and images of BC were collected and their length and diameter were measured using vernier caliper to compare and analyze the characteristics of the two. Referring to the method under extract of CP in the 2020 edition of Chinese Pharmacopoeia， the extract contents of the two species were determined. The cellulose， hemicellulose and lignin compositions of both were determined using fiber analyzer. Quantitative determination of representative saikosaponins， flavonoids and saccharides in BC by ultra performance liquid chromatography（UPLC）， headspace gas chromatography-mass spectrometry（HS-GC-MS） was used to determine the types and relative contents of volatile components， and UPLC-quadrupole-time-of-flight mass spectrometry（UPLC-Q-TOF-MS） coupled with multivariate statistical analysis was used to screen and identify the differential compounds between wild and cultivated BC.ResultThere were significant differences in the appearance characteristics between wild and cultivated BC， the wild BC had a large root head， twisted and thick axial root， rough epidermis， and often had a stem base and lateral root with dark color and strong odor. However， the cultivated BC has long and straight taproots， delicate epidermis， few lateral roots， light root color and light smell. In terms of primary and secondary metabolites， the contents of alcohol-soluble extract and lignin of wild BC was significantly higher than those of cultivated BC， while the contents of water soluble extract and quercitrin was higher than those of cultivated BC， but the difference was not significant. The contents of cellulose， five saikosaponins， rutin， narcissoside and isorhamnetin-3-O-glucoside in cultivated BC were significantly higher than those of wild BC， and the total water-soluble polysaccharides， sucrose， hemicellulose and starch of cultivated BC were higher than those of wild BC， but the difference was not significant. The results of HS-GC-MS identification showed that a total of 67 volatile components were identified in wild and cultivated BC， 59 in wild BC and 51 in cultivated BC， with a total of 43 compounds in both， and the screening based on variable importance in the projection（VIP） value>1 revealed that the differential components were mainly concentrated in the aromatic and fatty acid compounds. The results of UPLC-Q-TOF-MS-based non-targeted metabolomics combined with multivariate statistical analysis showed that the two were significantly different in saikosaponins and the differential compounds had higher response values in cultivated BC.ConclusionThere are significant differences in the appearance， primary and secondary metabolite contents between wild and cultivated BC. At present， the quality evaluation system of cultivated BC is not perfect， and this study provides theoretical references for updating and revising the quality evaluation standard of cultivated BC and guiding the production of high-quality BC.关键词：Bupleurum chinense;wild;cultivation;traditional quality evaluation;characters;chemical compositions;metabonomics- 74
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发布时间：2024-06-14 -
Comparison of Wild and Cultivated
Codonopsis pilosula Based onTraditional Quality Evaluation 增强出版 AI导读“最新研究揭示野生与栽培潞党参在性状、显微结构及化学成分上的显著差异，为高品质党参生产提供科学依据。”摘要：ObjectiveTo conduct a systematic comparative study on wild and cultivated Codonopsis pilosula（CP） from three aspects， including characters， microscopy， and contents of primary and secondary metabolites.MethodWild and cultivated CP samples were collected， their characters were measured using vernier caliper， tape measure and balance， the paraffin sections were stained with safranin-fixed green dyeing， and their microstructure were observed under the optical microscope. The content of alcohol-soluble extracts in wild and cultivated CP was determined according to the method for determination of extract under CP in the 2020 edition of Chinese Pharmacopoeia， the starch content was determined by anthrone colorimetry， the content of total polysaccharides was determined by kit method， Fiber analyzer was used to determine the content of fiber components， and ultra performance liquid chromatography（UPLC） was used to determine the content of monosaccharides， disaccharides and some secondary metabolites. Multivariate statistical analysis methods such as principal component analysis（PCA） and orthogonal partial least squares-discriminant analysis（OPLS-DA） were employed to screen key differential components between wild and cultivated CP on the basis of variable importance in the projection（VIP） value>1 and P<0.05.ResultIn terms of morphological characteristics， the "lion's head-like" shape， longitudinal wrinkles， and circumferential wrinkles below the root cap of wild CP were more pronounced in wild CP compared to the cultivated ones. Regarding transverse sectional features， wild CP had more fissures on the outer side of the cortex and a larger duramen. Under microscopic examination， wild CP had more stone cells， a larger proportion of xylem， and the presence of cork cells arranged in rings in the xylem， while cultivated CP has a larger proportion of phloem， smaller vessel diameters， and a more loosely arranged vascular system. In terms of primary metabolites， the contents of 45% ethanol-soluble extract and total polysaccharides in cultivated CP were significantly higher than those in the wild ones（P<0.05）， the contents of lignin， hemicellulose， cellulose， fructose and glucose in wild CP were significantly higher than those in the cultivated ones（P<0.05）， while sucrose content in the cultivated CP was significantly higher than that in the wild ones（P<0.05）. Concerning secondary metabolites， the contents of tryptophan and tangshenoside Ⅰ in cultivated CP were significantly higher than those in the wild ones（P<0.05）， whereas the contents of lobetyolinin， lobetyol and atractylenolide Ⅲ in wild CP were significantly higher than those in the cultivated ones（P<0.05）.ConclusionThere are significant differences between wild and cultivated CP in terms of morphological characteristics， microscopic features and chemical composition. Glucose， fructose， sucrose， tangshenoside Ⅰ， tryptophan and cellulose components are the key differential components between wild and cultivated CP. Wild CP contains more polyacetylenes and fructose， whereas cultivated CP has higher levels of tangshenoside Ⅰ and sucrose， with noticeably lower cellulose content. These distinctions may be related to their growth conditions， growth years and cultivation techniques. Based on the results of this study， it is recommended to increase polyacetylenes and the content ratio of fructose to sucrose as an indicators to characterize different production methods of CP， in order to guide the high-quality production of CP.关键词：Codonopsis pilosula;wild;cultivated;traditional quality evaluation;characters;microstructure;chemical compositions- 42
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发布时间：2024-06-14 -
Comparison of Wild and Cultivated Paeoniae Radix Rubra Based on Traditional Quality Evaluation 增强出版 AI导读
“最新研究发现，野生与栽培赤芍在性状、显微特征及初生与次生代谢产物含量方面存在显著差异。研究结果为赤芍质量标准的提升和高品质生产提供了重要参考。”摘要：ObjectiveTo compare wild and cultivated Paeoniae Radix Rubra（PRR） in three aspects， including character， microscope， determination of primary and secondary metabolites.MethodSeventeen batches of wild and nine batches of cultivated PRR were collected，their character data were measured by vernier caliper and scales， and their paraffin sections were made by safranin-fixed green dyeing for the observation of microscopic features. The content of ethanol-soluble extracts and total tannin from wild and cultivated PRR was determined by the method of general principle 2201 and 2202 in the 2020 edition of Chinese Pharmacopoeia， the content of polysaccharides was determined by phenol-sulfuric acid method. Anthrone colorimetry was used to determine the content of starch， and Van Soest method of washing fiber was used to determine the content of fiber. The contents of fructose， glucose and sucrose in wild and cultivated PRR were determined by ultra-high performance liquid chromatography evaporative light scattering detection（UPLC-ELSD）， and the secondary metabolites（gallic acid， methyl gallate， catechin， oxypaeoniflorin， albiflorin， paeoniflorin， ellagic acid， 1，3，4，6-tetragalloylglucose， galloylpaeoniflorin， 1，2，3，4，6-O-pentagalloylglucose， naringenin， benzoylpaeoniflorin and benzoylalbiflorin） were determined by UPLC. Principal component analysis（PCA） and orthogonal partial least squares-discriminant analysis（OPLS-DA） were used to analyze the data of wild and cultivated PRR， the contribution of different factors to the difference was determined according to the variable importance in the projection（VIP） value>1 and P<0.05.ResultIn term of characters， wild PRR showed the traditional characteristic of Zaopi Fencha， its outer skin was loose and easy to fall off， its surface had longitudinal furrow and wrinkle， but the outer skin of cultivated PRR was not easy to fall off， and its surface was relatively smooth. The radial texture of xylem of wild PRR cross-section was more obvious， showing radial striations， vacuoles and more cracks， while the radial texture of xylem of cultivated PRR cross-section was not obvious， dense and some had cracks. Microscopically， the number of radial vessels arranged in the xylem of wild PRR was more than that of cultivated PRR， the number of calcium oxalate clusters in the phloem and xylem of wild PRR was more than that of cultivated PRR， while the number of starch grains was significantly higher in cultivated PRR. In terms of the content of primary chemical constituents， the contents of polysaccharides and starch of cultivated PRR were significantly higher than those of wild PRR（P<0.05）， while the contents of cellulose， lignin， fructose and glucose of wild PRR were significantly higher than those of cultivated PRR（P<0.05）. The results of determination of 13 secondary metabolites showed that the contents of paeoniflorin， methyl gallate， catechin and oxypaeoniflorin in wild PRR were significantly higher than those in cultivated PRR（P<0.05）， while the contents of albiflorin， gallic acid， ellagic acid， naringenin， benzoylpaeoniflorin and benzoylalbiflorin were significantly lower than those of cultivated PRR（P<0.05）. A total of 10 variables contributing to the differentiation between wild and cultivated PRR were screened， including albiflorin， cellulose， benzoylpaeoniflorin， oxypaeoniflorin， naringenin， ellagic acid， starch， lignin， paeoniflorin and total tannins.ConclusionThere are significant differences between wild and cultivated PRR in characters， microscopic characteristics， contents of primary and secondary metabolites. It is suggested that the content ratio of paeoniflorin and albiflorin， the contents of oxypaeoniflorin and cellulose can be used as indicators to characterize production methods of PRR so as to improve the quality standard of PRR. This study can provide reference for the improvement of quality standard of PRR and the guidance of high quality production of PRR.关键词：Paeoniae Radix Rubra;wild;cultivated;traditional quality evaluation;characters;microstructure;chemical composition- 52
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发布时间：2024-06-14 - “最新研究发现，岩黄连总碱能有效改善抑郁大鼠的行为学表现，降低血清炎症因子表达，促进海马区神经元恢复，具有显著的抗抑郁作用。同时，其8种活性成分在体内吸收快、消除慢，药效维持时间长，为抑郁症治疗提供了新思路。”摘要：ObjectiveTo investigate the effect of total alkaloids of Corydalis saxicola on a rat model of lipopolysaccharide（LPS）-induced depression， as well as the pharmacokinetic characteristics of 8 of its major components.MethodTwenty-four male SD rats were randomly divided into normal group， model group， fluoxetine group（10 mg·kg-1） and total alkaloids of C. saxicola group（210 mg·kg-1）， with 6 rats in each group. In addition to the normal group， the rats were injected intraperitoneally with LPS to establish the inflammation model of depression， and the drug administration was started 1 week after modeling， and the administration groups were gavaged according to the corresponding dose， and the normal and model groups were intragastric administration with equal volume of distilled water， and the administration was performed along with the modeling. After two weeks of continuous administration， the effect of total alkaloids of C. saxicola on the behavior of depressed rats were tested by sucrose preference， forced swimming and open field experiments， the levels of tumor necrosis factor-α（TNF-α）， interleukin（IL）-1β and IL-6 in serum of rats were determined by enzyme-linked immunosorbent assay（ELISA）， the histopathological changes of rat hippocampus were observed by hematoxylin-eosin（HE） staining. After the last administration， blood was collected from orbit according to the set time， and ultra-high performance liquid chromatography-triple quadrupole tandem mass spectrometry（UPLC-QqQ-MS） was established to simultaneously detect the concentrations of dehydrocavidine， tetrahydropalmatine， coptisine， palmatine， jatrorrhizine， berberine， berberrubine and epiberberine in plasma， and drug-time curves were drawn. The pharmacokinetic parameters were analyzed by DAS 2.0 software.ResultCompared with the normal group， the model group exhibited a decrease in sucrose preference rate， total distance traveled in the open field， as well as an increase in swimming immobility time and serum inflammatory factor expression（P<0.01）. In contrast， compared with the model group， rats in each administration group showed an increase in sucrose preference rate and total distance traveled in the open field， a decrease in swimming immobility time， and a reduction in serum inflammatory factor expression（P<0.05， P<0.01）. Additionally， HE staining results revealed that neurons in the hippocampus of rats from the model group were characterized by loss， disorganization and residual vacuoles， whereas those from the total alkaloids of C.saxicola group displayed an increase in number with orderly arrangement and clear cytoplasm. Pharmacokinetic results showed that the time to peak（tmax） and half-life（t1/2） of the 8 active ingredients were 0.19-2.06 h and 3.71-8.70 h after continuous administration of total alkaloids of C. saxicola. Among them， the area under the curve（AUC0-∞） of tetrahydropalmatine was the highest and the t1/2 was the shortest， and the AUC0-∞ of coptisine， palmatine， jatrorrhizine， berberine， berberrubine and epiberberine were low. The curves of dehydrocavidine， coptisine， palmatine， berberine and epiberberine showed obvious double peak phenomenon.ConclusionTotal alkaloids of C. saxicola can improve the depression-like behavior of rats， inhibit the expression of inflammatory factors in serum， improve the pathological injury of hippocampus， and has the antidepressant effect. Meanwhile， the effective site is absorbed quickly and eliminated slowly in the depressed model rats， and the efficacy is maintained for a long time.关键词：total alkaloids of Corydalis saxicola;depression model;lipopolysaccharide（LPS）;pharmacokinetics;ultra-high performance liquid chromatography-triple quadrupole tandem mass spectrometry（UPLC-QqQ-MS）;inflammatory factors
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发布时间：2024-06-14 -
Near-infrared Spectroscopic Quality Control on Coating Process of Vitamin C Yinqiao Tablets 增强出版 AI导读
摘要：ObjectiveTo construct a quantitative prediction model of three indicators（moisture absorption rate， film thickness and coating weight gain） during the coating process of Vitamin C Yinqiao tablets（VCYT） by near-infrared spectroscopy（NIRS）， and to realize the endpoint judgment.MethodReal-time NIRS data of 4 batches of VCYT during the coating process were collected by diffuse reflection method. The coating method employed was the rolling coating method， and the samples were obtained at the spray stage from the coater's sampling port every 10 minutes， and 57 batches of samples（about 1 800 tablets） were collected at various coating times， the tablets were embedded in molten paraffin， cut longitudinally， and observed by stereomicroscope. The film thickness， with a target value of 38 μm， was then measured using Motic Images Advanced 3.2 software. Furthermore， the mositure absorption rate of samples， aiming for a target value of 3%， was determined in accordance with guiding principles for drug hygroscopicity testing in the 2020 edition of Chinese Pharmacopoeia， and 3 samples were randomly selected from each batch（10 tablets per batch）， and the coating weight gain was calculated（target value of 4%）. Partial least squares regression（PLSR） was used to construct a quantitative model of the 3 coating indicators， and the predicted values of the coating indicators were smoothed using the moving average method and used to determine the coating endpoints.ResultThe prediction determination coefficients（Rp2） for moisture absorption rate， film thickness and coating weight gain were 0.933 4， 0.932 6 and 0.965 9， the root mean square errors of prediction（RMSEP） were 0.163 5%， 1.870 9 μm and 0.240 3%， the relative percent deviations（RPD） were 3.711 0， 2.760 7 and 5.415 8， respectively. The results of the external validation set demonstrated that the real-time predicted values obtained by the models exhibited the same trend as the measured values， and the coating endpoint could be accurately predicted（with a prediction error of less than 7.32 min and a relative error of less than 5.63%）.ConclusionThe established NIRS model exhibits excellent predictive performance and can be used for quality control of VCYT during the coating process.关键词：near-infrared spectroscopy（NIRS）;Vitamin C Yinqiao tablets;coating process;rapid detection;endpoint determination;moisture absorption rate;film thickness;coating weight gain- 44
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发布时间：2024-06-14 - “在中药配伍研究领域，专家通过超分子体系形成角度，探索了龙骨、柴胡、牡蛎角药配伍的作用。研究发现，共煎配伍后形成的纳米超分子体系粒径更小、分布更均匀、体系更稳定，有助于柴胡主要成分的溶出，其中含龙骨的配伍组贡献最大。”摘要：ObjectiveBy starting with the combination of Os Draconis， Bupleuri Radix， and Ostreae Concha， the role of mineral medicine Os Draconis in the combination of the Bupleuri Radix-containing tri-herbal medicines was preliminarily explored from the perspective of supramolecular system formation.Method① The appearance and Tyndall phenomenon of single decoction of Os Draconis， Bupleuri Radix， and Ostreae Concha， as well as co-decoction of Bupleuri Radix-Os Draconis， Bupleuri Radix-Os Draconis-Ostreae Concha， and Bupleuri Radix-Ostreae Concha were observed， and the average particle size， dispersion coefficient， and Zeta potential of suspension particles in each decoction were determined. The micromorphology of supramolecular structures was observed by scanning electron microscope （SEM）. ② The pH of different compatibility systems， liquid viscosity coefficient， liquid surface tension， freeze-dried powder yield rate， and other physical properties were determined， and the interaction of different compatibility systems was detected by infrared absorption spectroscopy （FTIR） and UV-visible spectrophotometry （UV-Vis）. ③ The composition and content difference of different compatible systems were determined by high-performance liquid chromatography （HPLC） and ultra-performance liquid chromatography-quadrupole-time of flight mass spectrometry （UPLC-Q-TOF-MS）.ResultCompared with the single decoction， the co-decoction had more obvious turbidity and Tyndall phenomenon. The particles in the co-decoction suspension were smaller and more evenly distributed， and the Zeta potential was reduced， indicating a more stable system. Under SEM， Bupleuri Radix was irregularly lamellar， and Bupleuri Radix-Os Draconis and Bupleuri Radix-Os Draconis-Ostreae Concha were mainly spherical nanoparticles. Bupleuri Radix-Ostreae Concha was irregularly lamellar， with a small number of spherical nanoparticles. The pH of the single decoction of Bupleuri Radix and co-decoction increased， and the viscosity coefficient increased. The liquid surface tension decreased. The freeze-dried powder yield rate of the Bupleuri Radix-Os Draconis co-decoction was the highest， followed by Bupleuri Radix-Ostreae Concha decoction and Bupleuri Radix-Os Draconis-Ostreae Concha decoction， and the yield rate of Bupleuri Radix single decoction was the lowest. The main change of FTIR was the stretching vibration of -OH， and the co-decoction moved to the low-frequency direction obviously. UV-Vis showed that the maximum absorption occurred at 295.8 nm for all groups， and the absorption intensity was different （Bupleuri Radix-Os Draconis>Bupleuri Radix-Os Draconis-Ostreae Concha>Bupleuri Radix-Ostreae Concha>Bupleuri Radix）. The components of Bupleuri Radix were used as the indexes， and the content of methanol extract determined by HPLC was higher than that of water extract， and the components of Bupleuri Radix single decoction were mainly saikosaponin a （SSa） and saikosaponin c （SSc）， which were slightly higher after co-decoction compatibility. UPLC-Q-TOF-MS could identify 37 compounds in both single decoction and co-decoction.ConclusionThe combination of Bupleuri Radix， Os Draconis， and Ostreae Concha can form a smaller， more uniform， and stable nano-sized supramolecular system， which is conducive to the dissolution of the main components of Bupleuri Radix， and the Os Draconis contributes the most in this process.关键词：Os Draconis;mineral medicine;tri-herbal medicines;compatibility;supramolecular chemistry system
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发布时间：2024-06-14 - “最新研究系统梳理了仙茅药材的名称、基原、产地等，为经典名方开发提供依据。”摘要：By consulting the ancient and modern literature， the name， origin， quality evaluation， harvesting and processing methods of Curculiginis Rhizoma（CR） were systematically combed and verified， in order to provide a basis for the development and utilization of famous classical formulas containing CR. The results of herbal textual research showed that the name Xianmao was first recorded in Leigong Paozhilun， the name of CR was used in all dynasties and this name came from its efficacy and morphological characteristics， the mainstream source for CR of the past dynasties was the rhizome of Curculigo orchioides or C. capitulata， since modern times， C. orchioides has been the main source of commodities. In ancient times， most of the places of origin of the description were the western regions and southwest China， while in modern times， Sichuan and Guizhou were regarded as genuine places. Since modern times， its quality has been summarized as the best with thick roots， firm texture and black-brown surface， the harvesting and processing methods recorded in the past dynasties are mainly sun drying after harvest in the second， eighth and ninth months of the lunar calendar， and most of them are harvested in autumn and winter in modern times. In ancient times， there were many processing methods of CR， mainly in processing with rice swill， while in modern times， stir-frying with wine was the main processing method. The nature， taste， meridian tropism， functions and indications of CR are basically consistent from ancient to modern times， the taboos for taking are to avoid iron， cow's milk， and beef. Although there are some differences in the understanding of the toxicity of CR in the past dynasties， most of the materia medica are clear that it has a certain toxicity. Based on the research conclusion， it is suggested that the rhizome of C. orchioides of Lycoris family should be used as its source in the famous classical formulas， and the corresponding processing method should be selected according to the processing requirements in the formulas， while the raw products is recommended to be selected as medicine if the processing requirement is not specified.关键词：famous classical formulas;Curculiginis Rhizoma;herbal textual research;scientific name;origin;producing area;processing
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发布时间：2024-06-14 -
Visualization Analysis of Studies on Prediction Models in Field of Traditional Chinese Medicine 增强出版 AI导读
“在中医药领域，基于知识图谱的预测模型研究进展显著，通过可视化分析揭示了研究热点和发展趋势。专家利用CiteSpace和VOSviewer软件，对文献进行深入挖掘，为未来研究方向提供参考。研究表明，人工智能技术在中医药研究中的应用将成为前沿领域，推动多学科交叉融合，引领新一轮研究热潮。”摘要：ObjectiveBased on knowledge mapping， the studies on prediction models in the field of traditional Chinese medicine （TCM） were visually analyzed， which provided a reference basis for the excavation and evolution of the future research direction by combing the development process and summarizing the research hotspots and dynamic trends.MethodChina National Knowledge Infrastructure and Web of Science Core Collection databases were searched to obtain studies on prediction models in the field of TCM from inception to February 28， 2023. Endnote X20 software was used for document management. Knowledge mapping generated by CiteSpace software and VOSviewer software was used to visually analyze the characteristics of publication， institutional cooperation relationship， author cooperation network， co-citation， and keywords.ResultA total of 264 pieces of Chinese literature and 266 pieces of English literature were included， and the overall number of research publications showed an increasing trend year by year. The cooperation relationship between the issuing institutions showed obvious regional characteristics， with the closest cooperation relationship between the universities of TCM and their affiliated hospitals， as well as secondary units subordinate to scientific research institutions. The number of research teams and team members publishing papers in English was higher， and cooperation between different teams was more frequent. Groundbreaking and/or referential studies were widely cited and referred to. The highly cited literature was mainly published in complementary and alternative medicine journals and pharmaceutical journals. Research hotspots mainly focused on clinical prediction models of TCM， quantitative models of TCM， and specific modeling methods. The application of artificial intelligence technologies such as machine learning and deep learning in the field of TCM will be the most cutting-edge research direction in the future.ConclusionThe field of TCM is paying more and more attention to the studies on prediction models， while the research cooperation mode involving multiple organizations and teams has increasingly become the mainstream. With the continuous development of multi-disciplinary integration， studies on prediction models are closely related to the development and rise of innovative techniques and methods， and any breakthrough in theory or application will induce and guide a new round of research upsurge. Systematic reviews of topic-specific prediction models should be carried out in the future to provide evidence-based evidence.关键词：traditional Chinese medicine;prediction model;knowledge mapping;visualization analysis;Citespace;VOSviewer- 64
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发布时间：2024-06-14 -
Characteristics and Analysis of Animal-derived Drugs in 2020 Edition of
Chinese Pharmacopoeia 增强出版 AI导读摘要：ObjectiveTo statistically analyze the efficacy and application characteristics of animal-derived drugs in the 2020 edition of the Pharmacopoeia of the People's Republic of China （referred to as Chinese Pharmacopoeia）， and provide data references for the research and application of animal-derived drugs.MethodAnimal-derived drugs included in the 2020 edition of the Chinese Pharmacopoeia were selected and screened. Information such as the classification， nature and flavor， meridian tropism， usage， dosage， toxicity or contraindications of single animal-derived drugs were statistically analyzed. The efficacy and clinical application analysis of externally applicable Chinese medicinal preparations containing animal-derived drugs， the dosage forms of preparations containing animal-derived drugs， and the contraindications of their use were also analyzed. The above information was recorded in an Excel spreadsheet for statistical analysis.ResultThe 2020 edition of the Chinese Pharmacopoeia clearly records a total of 51 types of animal-derived drugs. Among them， liver-calming and wind-relieving drugs and deficiency-tonifying drugs are the most common in the efficacy classification of animal-derived drugs. The properties are mainly categorized as neutral and salty， with meridians including liver， kidney， heart， and lung meridians with a frequency of >10 times. Most animal-derived drugs are used in decoctions and pills， with the decoction method being the primary method for decoction. The common dosage of animal-derived drugs is 3-9 g， 5-10 g， or 3-6 g， and animal-derived drugs are used externally in appropriate amounts. In addition to mentioning the toxicity of drugs， the most common precautions for animal-derived drugs are caution and prohibition for pregnant women. Externally applicable Chinese medicinal preparations containing animal-derived in the Chinese Pharmacopoeia are widely used in various departments such as pediatrics， gynecology， orthopedics and traumatology， stomatology， internal medicine， surgery， dermatology， ophthalmology， and otorhinolaryngology， with extensive clinical applications. The dosage forms of preparations containing animal-derived drugs are mainly pills， capsules， tablets， and capsules. Animal-derived drugs are mainly in the form of fine powder before use. The precautions for use in preparations mainly focus on the contraindications for pregnant women and children.ConclusionThe clinical application of animal-derived drugs included in the 2020 edition of Chinese Pharmacopoeia is extensive and has unique efficacy. However， there are still problems such as imperfect quality standards and unclear mechanisms of action for animal-derived drugs， which require further research to better utilize the advantages of internal and external use of animal-derived drugs. In addition， non-medicinal parts of animals also have development and utilization value， which should be fully explored and utilized to achieve the green development of animal-derive drug resources.关键词：Chinese Pharmacopoeia;animal-derived drug;characteristic analysis;clinical application;resource development- 42
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发布时间：2024-06-14 - “最新研究揭示，《黄帝内经》“清浊相干”理论为脾胃病发病机制提供新视角，半夏泻心汤通过调节气机升降、兼顾表里阴阳，有效治疗脾胃病。”摘要：Based on the theory of "mutual interference of clear and turbid Qi" in Huangdi Neijing（《黄帝内经》）， this study explored the pathogenesis of spleen and stomach diseases and the therapeutic effects of Banxia Xiexintang on them. It suggested that "mutual interference of clear and turbid Qi" represents a pathological state of Yin and Yang disturbance and imbalance in Qi circulation due to the mixture of clear and turbid Qi， which can elucidate the pathogenesis of spleen and stomach diseases. According to this theory， the pathogenesis of spleen and stomach diseases was summarized as Qi disorder in spleen and stomach， disharmony between Ying Qi and Wei Qi， and conflict between cold and heat. Banxia Xiexintang， as a crucial prescription for treating spleen and stomach diseases， achieves its therapeutic effects by dispersing stagnation with pungent flavor， descending adverse Qi with bitterness， regulating Ying Qi and Wei Qi， and harmonizing cold and heat. By regulating Qi circulation， balancing internal and external factors， and addressing deficiency and excess， it can rectify the pathological state of "mutual interference of clear and turbid Qi" of spleen and stomach diseases. Modern research reveals that Banxia Xiexintang can modulate gastrointestinal motility， restore mucosal immune barrier function of the digestive system， and exhibit optimal therapeutic effects when combined with both cold-cool and warm-hot medicines， aligning with its therapeutic role under the theory of "mutual interference of clear and turbid Qi". By delving into the essence of the "mutual interference of clear and turbid Qi" theory and exploring the pathogenesis of spleen and stomach diseases and the therapeutic effects of Banxia Xiexintang based on this theory， this study further elucidated the inherent connection between spleen and stomach diseases and the "mutual interference of clear and turbid Qi" theory， offering insights and theoretical references for the clinical diagnosis and treatment of spleen and stomach diseases.关键词："mutual interference of clear and turbid Qi";spleen and stomach disease;Banxia Xiexintang;Huangdi Neijing（《黄帝内经》）
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发布时间：2024-06-14 - “在社区获得性肺炎恢复期，中医补气活血法通过调节免疫、抑制炎症，促进康复，为临床治疗提供新思路。”摘要：Community-acquired pneumonia （CAP） is a respiratory infection which takes a long time to fully recover after clinical symptoms are alleviated in the short term. It affects the physical health and quality of life of the patients in the long term and can occur repeatedly， which is related to inflammation， immunity， and the coagulation function. Lung Qi deficiency and collateral stasis are the key pathogenesis of CAP at the recovery stage. The development of CAP is accompanied by the decreased production and the increased consumption of Qi， which results in lung Qi deficiency. At the same time， heat pathogen forces the blood to move improperly， which depletes Qi and damages fluid， resulting in lung collateral stasis. Lung Qi deficiency and collateral stasis are causal and influence each other. The patients at the recovery stage of CAP generally present deficient lung Qi and healthy Qi， impaired immune function， and weakened defense function. However， pathogenic Qi， coagulation function changes， and thrombosis exist， and some coagulation factors are associated with the prognosis of CAP. The Chinese medicines for tonifying lung and supplementing Qi can help replenish healthy Qi， consolidate the body foundation， and regulate the inflammation. The Chinese medicines for activating blood and resolving stasis can dredge the lung collaterals， clear the pathogenic Qi， improve the microvascular circulation， and inhibit the inflammatory response. The Chinese medicines for supplementing Qi and activating blood can replenish healthy Qi and dispel pathogen to regulate immunity， inhibit inflammation， and alleviate the clinical symptoms， thus promoting the recovery from pneumonia. From lung Qi deficiency and collateral stasis， this paper summarizes the application and explains the scientific connotation of supplementing Qi and activating blood in preventing relapse after recovery of CAP， providing ideas for using this method to assist in preventing relapse after recovery of CAP.关键词：recovery stage of community-acquired pneumonia;lung deficiency and collateral stasis;supplementing Qi and activating blood;preventing relapse after recovery
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发布时间：2024-06-14 - “最新研究揭示，脑源性神经营养因子（BDNF）在双心疾病病理机制中扮演关键角色，为临床治疗提供新思路。”摘要：The incidence of psycho-cardiological diseases， i.e.， cardiovascular diseases combined with psychological disorders， is increasing year by year. Brain-derived neurotrophic factor （BDNF） plays a role in the pathogenesis of such diseases. According to the theory of collateral diseases， our team innovates the concept of regulating mental activity by dredging collaterals in the treatment of psycho-cardiological diseases and summarizes the concepts of "heart of Qi and collaterals" and "heart of vessels and collaterals". We believe that obstructed collaterals and disturbed mental activity run through the whole course of psycho-cardiological diseases， being the core pathogenesis. BDNF closely related to the core pathogenesis can regulate nerve and vascular inflammation， alleviate oxidative stress， and mediate a variety of signaling pathways， thereby promoting the survival and repair of nerve cells and vascular endothelial cells to regulate emotion and protect the heart. Therefore， BDNF is one of the potential biomarkers for clinical treatment of psycho-cardiological diseases. Collateral obstruction caused by blood stasis is specifically manifested as collateral deficiency， blood stasis， and Qi stagnation in collaterals. It can easily lead to inflammation， free radical generation， and antioxidant system changes in the patients with psycho-cardiological diseases， which can cause oxidative stress damage， affect the BDNF level， and result in mental disorders， such as anxiety and depression. Disturbed mental activity is mainly caused by the disturbance in the heart of Qi and collaterals， which is specifically manifested as the disturbance of the mind and liver soul. It is prone to cause anxiety or depression symptoms， which is closely related to the BDNF-mediated abnormal activation of neural circuits， nerve injury， and inflammation. This article elaborates on the theoretical connotation and pathological mechanism of regulating mental activity by dredging collaterals in the treatment of psycho-cardiological diseases from the perspective of BDNF， aiming to provide new ideas for the prevention and treatment of psycho-cardiological diseases and collateral diseases.关键词：psycho-cardiological diseases;brain-derived neurotrophic factor （BDNF）;regulating mental activity by dredging collaterals;theoretical connotation;pathological mechanism
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发布时间：2024-06-14 - 摘要：Pulmonary fibrosis， chronic obstructive pulmonary disease， acute lung injury， asthma， and infectious pneumonia are common pulmonary inflammatory diseases worldwide. There is evidence that mitochondria produce a large amount of reactive oxygen species （ROS） when stimulated by inflammation， leading to oxidative stress that affects the onset and progression of pulmonary inflammatory diseases. With in-depth research， traditional Chinese medicine （TCM） has made significant progress in the treatment of pulmonary inflammatory diseases. An increasing amount of evidence indicates that single TCM and their active components， as well as TCM compound formulas， can improve mitochondrial oxidative stress status through multi-target and multi-pathway mechanisms， thereby effectively treating pulmonary inflammatory diseases. Currently， there is a lack of systematic review and summary of TCM research in this field both domestically and internationally. Therefore， this article aims to summarize and conclude the mechanisms by which TCM regulates mitochondrial oxidative stress to intervene in pulmonary inflammatory diseases， providing a scientific basis for its clinical application and offering new ideas and references for in-depth research on the prevention and treatment of pulmonary inflammatory diseases with TCM.关键词：mitochondria;reactive oxygen species （ROS）;oxidative stress;traditional Chinese medicine;pulmonary inflammatory diseases
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发布时间：2024-06-14 - “最新研究揭示了线粒体凋亡在胃癌发展中的关键作用，并探讨了中医药干预的潜在机制，为胃癌治疗提供了新的理论依据和研究方向。”摘要：Gastric cancer （GC） is one of the most common cancers in the world， with hidden symptoms， complex pathogenesis， high morbidity， high mortality， and poor prognosis. As one of the classical apoptosis pathways， mitochondrial apoptosis has been widely described in the apoptosis escape by GC cells. Mitochondrial apoptosis can regulate the proliferation， invasion， and metastasis of GC cells via oxidative stress， cell cycle， mitochondrial membrane potential， mitochondrial translocation and other mechanisms， and it is one of the potential targets of traditional Chinese medicine （TCM） intervention to restore the mitochondrial function in GC. The theory of spleen-mitochondria in correlation explains that spleen deficiency and cancer toxin are the root causes of mitochondrial apoptosis. Accordingly， the TCM treatment should follow the basic principle of invigorating spleen to restore healthy Qi and removing cancer toxin to eliminate the root cause. Mitochondrial apoptosis can be promoted by inhibiting oxidative stress， promoting cell cycle arrest， and reducing mitochondrial membrane potential. This therapy can improve the energy metabolism， restore the mitochondrial structure and function， and prevent the occurrence and development of GC， with mild side effects and low drug resistance. However， the mechanism of mitochondrial apoptosis in GC and the target of TCM intervention in GC have not been systematically reviewed. Therefore， this paper systematically summarized the effects of mitochondrial apoptosis on the occurrence and development of GC and the role of TCM in the treatment of GC by intervening in mitochondrial apoptosis， aiming to provide a theoretical reference for the treatment and further research of GC.关键词：gastric cancer（GC）;cell apoptosis;mitochondria;traditional Chinese medicine;research progress
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发布时间：2024-06-14 - “在中药方剂研究领域，专家提出了整合药理学新策略，利用互联网、大数据、人工智能等新技术，为揭示中药与机体相互作用及其整合规律提供新途径，为中医药理论科学内涵和原创思维价值提供强有力支持。”摘要：Chinese medicinal formulae （CMF）， as the main form and means of clinical treatment， are a key link in traditional Chinese medicine （TCM） theory and clinical practice. Exploring the relationship between the chemical substances of CMF and the life activities of the body， as well as their complex interaction patterns， is one of the key issues in modern research of TCM. However， due to the complexity of chemical composition and the diversity of biological effects， evidence remains to be mined for the chain involving chemical composition， in vivo process， and pharmacological activity of CMF， which results in serious fragmentation of related studies. Integrated pharmacology is proposed as an effective strategy for analyzing the molecular interactions of complex systems in TCM. Particularly， it reflects the new trend of using new technologies such as the Internet， big data， and artificial intelligence to drive the development of complex systems in TCM in the context of the fourth wave represented by the biotechnology revolution. This provides a practical and feasible approach for systematically revealing the interaction， integration patterns， and principles of action between multi-component drugs and the body. This article reviews the emergence and development， research ideas， key technologies， and applications of integrated pharmacology of TCM， providing support for explaining the scientific connotation of TCM theory and the scientific value of original thinking of TCM， inheriting the experience of famous doctors， and facilitating the quality control， mechanism explanation， and new medicine development of TCM.关键词：integrated pharmacology;Chinese medicinal formula;biological connotation of syndrome;safety and efficacy;quality control;material basis of pharmacodynamic effects
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发布时间：2024-06-14 - “最新研究发现，中药当归能有效抑制神经退行性疾病发病机制，为治疗阿尔兹海默病、帕金森病等提供新思路。”摘要：Neurodegenerative diseases are a group of diseases caused by degeneration and dysfunction of the cells and tissues of the central nervous system， mainly including Alzheimer's disease （AD）， Parkinson's disease （PD）， and epilepsy. A common clinical manifestation of these diseases is cognitive decline. Neurodegenerative diseases are more common in the elderly. As population aging is aggravating， neurodegenerative diseases have aroused increasing concern since they seriously affect human health and quality of life. The pathogenesis of neurodegenerative diseases is complex， mainly related to mitochondrial dysfunction， apoptosis， neurotoxin， neurotransmitter abnormalities， oxidative stress， and inflammation. Although western drugs on the market can attenuate the symptoms of neurodegenerative diseases， they may induce severe adverse reactions and are thus not conducive to long-term use by the patients. The Chinese herbal medicine Angelicae Sinensis Radix was first recorded in the Shennong's Classic of Materia Medica （Shen Nong Ben Cao Jing）. It has the functions of activating blood， tonifying blood， modulating the immune system， regulating menstruation， and relieving pain. This paper summarizes the research progress in the effects of Angelicae Sinensis Radix and the prescriptions containing this medicine on neurodegenerative diseases in recent 10 years， aiming to provide a reference for the future application and research of Angelicae Sinensis Radix in the treatment of neurodegenerative diseases.关键词：Angelicae Sinensis Radix;active ingredients;compound prescriptions;neurodegenerative diseases;research progress
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发布时间：2024-06-14 - “最新研究发现，中医药通过干预丝裂原活化蛋白激酶信号通路，有效防治类风湿关节炎，为中药新药开发及临床应用提供科学依据。”摘要：Rheumatoid arthritis （RA） is an autoimmune disease involving symmetrical small joints， with clinical manifestations such as small joint swelling， morning stiffness， progressive pain， and even joint deformity and loss of function. Due to the complex immune mechanism， the pathogenesis of RA remains unclear. However， studies have shown that the pathogenesis of RA is related to abnormal immune mechanism， increased synovial inflammatory response， abnormal biological behavior of RA fibroblast-like synoviocytes （RA-FLSs）， and abnormal degradation of extracellular matrix. Mitogen-activated protein kinase （MAPK） plays a key role in the regulation of cell growth， proliferation， differentiation， and apoptosis. It is involved in the abnormal release and activation of inflammatory mediators in RA， the abnormal proliferation， migration， and invasion of RA-FLSs， synovial angiogenesis， bone erosion， and cartilage destruction. The thousands of years of practical experience show that Chinese medicine can effectively mitigate the clinical symptoms such as joint swelling， morning stiffness， and pain and delay the occurrence of joint deformity in RA patients. Moreover， the Chinese medicine treatment has the advantages of overall regulation， personalized treatment， multiple pathways and targets， high safety， few adverse reactions， and stable quality. Modern studies have confirmed that Chinese medicine can play a role in the prevention and treatment of RA by interfering in the MAPK signaling pathway， reducing pro-inflammatory cytokines， inhibiting the abnormal proliferation， migration， and invasion of RA-FLSs， regulating the apoptosis of RA-FLSs， and protecting extracellular matrix. This article elaborates on the key role of MAPK signaling pathway in the development of RA and reviews the latest research results of Chinese medicine intervention in MAPK signaling pathway for the prevention and treatment RA， aiming to provide a basis for the development of new drugs and the clinical application of Chinese medicine in the prevention and treatment of RA.关键词：mitogen-activated protein kinase （MAPK） signaling pathway;rheumatoid arthritis;fibroblast-like synoviocytes of rheumatoid arthritis;Chinese medicine;angiogenesis;inflammatory response;cell apoptosis;mechanism
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发布时间：2024-06-14
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