摘要:Ulcerative colitis (UC) is a chronic intestinal disease with unknown etiology, with main symptoms of abdominal pain, diarrhea, mucus, pus, and blood in the stool. It can be accompanied by various complications and has a high risk of developing to colon cancer. In recent years, the incidence of UC and related colon cancer has been increasing, which seriously affects human health and quality of life. The operation, immunosuppressant, etc. are the main approaches in the modern clinical treatment of UC and related colon cancer, but these methods all have different toxic and side effects, and the therapeutic effect is not ideal. For many years, traditional Chinese medicine (TCM) has attracted much attention in the treatment of UC and related colon cancer due to its slightly toxic side effects and remarkable curative efficacy. Huangqintang, derived from the Shang Han Lun (伤寒论), is composed of Scutellariae Radix, Paeoniae Radix Alba, Glycyrrhizae Radix et Rhizoma, and Jujubae Fructus with the functions of clearing heat, checking diarrhea, harmonizing the middle, and relieving pain, and has a significant effect on the treatment of UC. Huangqintang has complex compositions and plays roles with multiple targets and pathways. According to the literature and the research results of this research group for many years, it was found that the mechanism of Huangqintang in the treatment of UC and related colon cancer was presumably related to the protection of the intestinal mucosal barrier, inhibition of inflammatory response, promotion of mitophagy, inhibition of oxidative stress, regulation of intestinal flora, cell cycle, and gene expression, suppression of cell proliferation, and promotion of apoptosis. To provide theoretical references for an in-depth study of the mechanism and clinical use of Huangqintang, this paper reviewed the research advances in recent years.
摘要:ObjectiveTo evaluate the pharmacodynamic effect of Huangqintang (HQT) on ulcerative colitis (UC) model mice and investigate its protective effect against UC by regulating intestinal flora.MethodMale Balb/c mice were randomly divided into control group,model group, high-, medium-, and low-dose HQT groups (20, 10, 5 g·kg-1), flora interference group, flora interference model group, and flora interference-drug treatment group (HQT, 20 g·kg-1). The flora interference model was constructed through intragastric administration of antibiotics (200 mg·kg-1 bacitracin and 200 mg·kg-1 vancomycin) for 8 d, and the UC model was constructed by allowing mice with free access to 3% dextran sulfate sodium (DSS) solution for 7 d. HQT was administered for 7 d. After the experiments, the mice were sacrificed, and blood, colon, and feces were collected. Hematoxylin-eosin (HE) staining was performed to observe the colonic lesions. The serum levels of interleukin (IL)-4, IL-6, IL-10, and tumor necrosis factor (TNF)-α were detected by enzyme-linked immunosorbent assay (ELISA). The mRNA and protein expression of Claudin1, MUC1, Occludin, and zonula occludens-1(ZO-1) in colon tissues was detected by Real-time fluorescence quantitative polymerase chain reaction (Real-time PCR) and Western blot, respectively. The fecal DNA of mice was extracted and analyzed by high-throughput sequencing.ResultCompared with the normal group, the model group showed increased serum content of IL-4, IL-6, and TNF-α (P<0.05, P<0.01) and decreased IL-10 (P<0.05). Compared with the model group, the HQT groups displayed decreased serum levels of IL-4, IL-6, and TNF-α (P<0.05, P<0.01), increased IL-10 content (P<0.01), increased mRNA and protein expression levels of Claudin1, MUC1, Occludin, and ZO-1 (P<0.05, P<0.01). After flora interference, the diversity and abundance of intestinal bacteria decreased. To be specific, Proteobacteria increased (P<0.01), and Firmicutes and Bacteroidetes decreased (P<0.01). After UC induction by DSS, Bacteroidetes and Tenericutes decreased (P<0.05). The high-, medium-, and low-dose HQT groups showed increased Bacteroidetes and Tenericutes (P<0.05, P<0.01) and decreased Firmicutes (P<0.05). Additionally, the abundance of Lactobacillus, Lachnospiraceae NK4A136 group, Escherichia-Shigella, and Helicobacteris was positively proportional to the dose of HQT.ConclusionHQT can inhibit the inflammatory response of UC mice, restore the imbalance of intestinal flora, and repair the damaged intestinal mucosal barrier.
摘要:ObjectiveTo explore the anti-inflammatory mechanism of Huangqintang based on the inflammation model in RAW264.7 cells.MethodHuangqintang was prepared and the safe dose to RAW264.7 cells was screened out. The RAW264.7 cells were seeded in 24-well plates and incubated with Huangqintang and lipopolysaccharide (LPS), successively. The concentrations of nitric oxide (NO), interleukin (IL)-6, tumor necrosis factor (TNF)-α, and prostaglandin E2 (PGE2) were measured by Griess assay and enzyme-linked immunosorbent assay (ELISA), respectively. Meanwhile, RAW264.7 cells were inoculated in 6-well plates, and normal group, LPS group, LPS+Huangqintang group, nuclear factor-κB (NF-κB) p65 inhibitor PDTC group, p38 mitogen-activated protein kinase (MAPK) inhibitor SB203580 group, extracellular signal-regulated kinase (ERK) inhibitor PD98059 group, c-Jun N-terminal kinase (JNK) inhibitor SP600125 group, and Janus kinase (JAK) inhibitor AG490 group were set up. After the cells were incubated with corresponding inhibitors and Huangqintang and stimulated by LPS, RNA and protein were extracted. The mRNA and protein expression levels of NF-κB p65, p38 MAPK, ERK, JNK, and JAK were detected by Real-time fluorescence-based quantitative polymerase chain reaction (Real-time PCR) and Western blot, respectively, to explore the anti-inflammatory mechanism of Huangqintang by regulating the NF-κB, MAPK, and JAK/signal transducer and activator of transcription protein (STAT) signaling pathways.ResultAfter stimulation with LPS, the concentrations of NO, IL-6, TNF-α, and PGE2 in the cells of the model group increased significantly(P<0.05,P<0.01). Compare with the model group, after incubation with Huangqintang, the secretion of NO, IL-6, TNF-α, and PGE2 showed a downward trend (P<0.05,P<0.01). Compared with the normal group, the model group showed increased mRNA expression of p38 MAPK, ERK, JNK, JAK, and NF-κB p65 and total protein expression in cells after stimulation with LPS (P<0.05,P<0.01). Compare with the model group,after incubation with Huangqintang, the total protein and mRNA expression of p38 MAPK, ERK, JNK, JAK, and NF-κB p65 in inflammatory cells decreased (P<0.05,P<0.01). Meanwhile, the expression of NF-κB p65 total protein and mRNA in each inhibitor group showed a downward trend (P<0.05,P<0.01).ConclusionHuangqintang can inhibit the inflammatory response through the NF-κB, MAPK, and JAK-STAT signaling pathways.
关键词:Huangqintang;inflammation;nuclear factor-κB (NF-κB) signaling pathway;mitogen-activated protein kinase (MAPK) signaling pathway;Janus kinase (JAK)/signal transducer and activator of transcription protein (STAT) signaling pathway
摘要:ObjectiveTo verify the anti-oxidative stress effect of Huangqintang based on the nuclear factor E2-related factor 2 (Nrf2) signaling pathway by using Caco-2 cells as a carrier and RNA interference (RNAi) technology with in vitro experiments.MethodThe Caco-2 cells in the logarithmic growth phase were transfected with siRNA to construct siRNA Caco-2 cells. After normal Caco-2 cells and siRNA Caco-2 cells were incubated with Huangqintang of different doses, RNA and protein were extracted. Real-time fluorescence quantitative polymerase chain reaction (Real-time PCR) and Western blot were used to detect the mRNA and protein expression of heme oxygenase-1 (HO-1), NAD(P)H quinone oxidoreductase 1 (NQO1), glutathione S-transferase (GST), Kelch-like ECH-associated protein 1 (Keap1), and Nrf2. Meanwhile, the activities of superoxide dismutase (SOD) and GSH-Px, as well as the expression levels of malondialdehyde (MDA) and reactive oxygen species (ROS), were detected by the colorimetric method and the probe method.ResultCompared with the results in the normal group, only the 400 mg·L-1 Huangqintang group and the sulforaphane (SFN) group could reduce the content of ROS and MDA in Caco-2 cells (P<0.01), while the activities of SOD and GSH-Px in the cells of the Huangqintang groups and the SFN group showed an upward trend. Furthermore, there were significant differences in the 400 mg·L-1 Huangqintang group/the SFN group and the normal group (P<0.01). Meanwhile, the protein and mRNA expression levels of HO-1, GST, Keap1, NQO1, and Nrf2 showed an upward trend in all groups (P<0.05, P<0.01). After transfection, compared with the normal group, the model group showed increased content of MDA and ROS, blunted activities of GSH-Px and SOD, and reduced protein and mRNA expression of HO-1, GST, Keap1, and NQO1 (P<0.05, P<0.01). After drug incubation, compared with the model group, the SFN group showed potentiated SOD activity, and the SFN group and the Huangqintang groups showed enhanced GSH-Px activity (P<0.01). Moreover, the activities of SOD and GSH-Px in the 400 and 200 mg·L-1 Huangqintang groups and the SFN group showed an upward trend (P<0.01), and the content of MDA in the 400 mg·L-1 Huangqintang group and the SFN group showed a downward trend. ROS decreased in all groups with drug intervention (P<0.01), and the protein and mRNA expression of HO-1, GST, Keap1, NQO1, and Nrf2 increased to varying degrees (P<0.05, P<0.01).ConclusionHuangqintang can play an anti-oxidative stress role by regulating the Nrf2 pathway.
摘要:ObjectiveTo investigate the effect and mechanism of modified Shuyuwan (SYW) on hippocampal myelin sheath injury in vascular dementia (VD) model rats.MethodSixty male SD rats of SPF grade were randomly divided into sham operation group, model group, and high-, medium- and low-dose modified SYW groups, with 12 rats in each group. The VD model was induced by bilateral carotid artery ligation in rats of the groups except for those of the sham operation group. After modeling, rats were screened by the water maze test, followed by drug treatment by gavage. Specifically, rats in the modified SYW groups were treated with modified SYW at 10, 5, 2.5 g·kg-1·d-1,accordingly, and those in other groups were administered with the same amount of normal saline. After intragastric administration for 28 days, the spatial learning and memory abilities of rats were detected by the water maze test. The hippocampal neuron structure was observed by hematoxylin-eosin (HE) staining. The content of hippocampal tumor necrosis factor (TNF)-α, interleukin-6 (IL-6), and glutamate (Glu) was observed by biochemical detection. The hippocampal expression of myelin basic protein (MBP), astrocyte activation marker glial fibrillary acidic protein (GFAP), and connexin 43 (Cx43) was detected by immunofluorescence detection. The myelin sheath structure in the hippocampus was observed by the electron microscope. The α-amino-3-hydroxy-5-methyl-4-isoxazole-propionic acid receptor (AMPAR) and Cx43 protein expression was detected by Western blot.ResultCompared with the sham operation group, the model group showed prolonged escape latency (P<0.01), decreased times of crossing the original platform and percentage of target quadrant detention time (P<0.01), disordered neuron structure in the hippocampal CA1 region, loose myelin sheath lamella with blurry edge, up-regulated expression levels of TNF-α, IL-6, and Glu in the hippocampal CA1 region, especially Glu (P<0.01), reduced expression of AMPAR (P<0.01), increased protein expression of p-AMPAR and Cx43 (P<0.01), significantly dwindled protein expression of MBP in the myelin sheath, and enhanced fluorescence co-labeled by GFAP and Cx43. Compared with the model group, the modified SYW groups showed shortened escape latency (P<0.05), increased times of crossing the original platform and percentage of target quadrant detention time (P<0.05), closely arranged hippocampal neuron structure, denser myelin sheath lamella with clear edge, down-regulated expression levels of TNF-α, IL-6, and Glu in the hippocampal CA1 region, especially Glu (P<0.01), up-regulated AMPAR (P<0.01), reduced protein expression of p-AMPAR and Cx43, especially in the high-dose group (P<0.01), significantly elevated protein expression of MBP in the myelin sheath, and weakened fluorescence co-labeled by GFAP and Cx43, especially in the high-dose group.ConclusionModified SYW can improve the learning and memory abilities of VD rats, and the mechanism may be related to the inhibition of Cx43 expression, reduction of the release of Glu, inhibition of AMPAR-mediated inflammatory response to reduce the production of astrocyte marker GFAP, and promotion of the expression of MBP protein to alleviate myelin injury.
摘要:ObjectiveTo investigate the effect of Bufeitang on intestinal flora of rats with lung Qi-deficiency syndrome of chronic obstructive pulmonary disease(COPD), and to explore the mechanism of traditional Chinese medicine in regulating intestinal flora and thus restoring the balance of lung-gut axis.MethodA total of 84 rats were randomly divided into 7 groups, including blank group, model group, fecal bacterial transplantation(FMT) group, dexamethasone group and low, medium and high dose groups of Bufeitang, 12 rats in each group. Except for the blank group, cigarette and sawdust fumigation combined with intratracheal instillation of lipopolysaccharide(LPS) were used to establish the COPD rat model with lung Qi-deficiency syndrome in all other groups. The low, medium and high dose groups of Bufeitang were intragastric administrated with Bufeitang(3.645, 7.29, 14.58 g·kg-1), the FMT group was given fecal bacteria liquid enema(10 mL·kg-1), dexamethasone group was given dexamethasone acetate tablet suspension by gavage(0.135 mg·kg-1), the blank group and model group were given equal amount of distilled water. Fresh feces were collected after 28 d of continuous intervention for 16S rRNA gene sequencing. Lung and colon tissues were stained with hematoxylin-eosin(HE) for pathomorphological observation, and enzyme-linked immunosorbent assay (ELISA) was performed to detect the contents of tumor necrosis factor-α(TNF-α) and interleukin-8(IL-8) in lung tissues.ResultCompared with the blank group, the model group showed severe abnormal lung tissue structure with alveolar atrophy and collapse accompanied by severe inflammatory cell infiltration. Compared with the model group, the extent of injury was significantly improved, and inflammatory cell infiltration was reduced with basically normal alveolar structure in the high dose group of Bufeitang. Compared with the blank group, the model group had severely abnormal colonic tissue structure, the epithelial cells in the mucosal layer were eroded and shed, the number of inflammatory cells increased, the submucosal layer was edematous and the gap was enlarged. Compared with the model group, the extent of damage was significantly improved in the medium and high dose groups of Bufeitang, the epithelial cells in the mucosal layer were neatly and closely arranged, with only a small amount of inflammatory cell infiltration and no significant degeneration. Compared with the blank group, the TNF-α and IL-8 levels of lung tissue in the model group were significantly increased(P<0.01). Compared with the model group, the TNF-α and IL-8 levels of lung tissues in the low, medium and high dose groups of Bufeitang were significantly decreased(P<0.01). Bufeitang significantly modulated the number of bacteria species as well as alpha and beta diversity of model rats, corrected the return of intestinal flora to normal abundance and diversity, and positively regulated 4 differential phyla(such as Firmicutes, Proteobacteria) and 13 differential genera(such as Turicibacter, Lactobacillus, Anaerobiospirillum, Intestinimonas) in COPD model rats with lung Qi-deficiency syndrome, and down-regulated 2 carbohydrate metabolic pathway functions, including the pentose phosphate pathway(non-oxidative branch) Ⅰ and the Calvin-Benson-Bassham cycle.ConclusionBufeitang can modulate the abundance and diversity of intestinal flora species, affect the function of metabolic pathways, repair the structure of lung and colon tissues, regulate the level of inflammatory factors, and thus improve COPD with lung Qi-deficiency syndrome. The mechanism may be related to its regulation of inflammation-related intestinal flora to restore the balance of lung-gut axis in COPD with lung Qi-deficiency syndrome.
摘要:ObjectiveThrough the review of the literature about Asari Radix et Rhizoma, we extracted the key information affecting the toxicity of Asari Radix et Rhizoma, aiming to provide a basis for the rational application of Asari Radix et Rhizoma in the classical prescriptions.MethodThe bibliometric method was employed to analyze the ancient and modern literature and thus reveal the relationship of Asari Radix et Rhizoma toxicity with the medicinal plants, medicinal part, processing method, dosage form, prescription compatibility, medication method, and patients' physical factors.ResultThe dosage of Asari Radix et Rhizoma in Danggui Sinitang and Houpo Mahuangtang was 9 g and 6 g, respectively, and the decocting time should be longer than 120 min. The single dosage of Asari Radix et Rhizoma in Xinyisan, Sanbitang, Daqinjiao Tang, and Qingshang Juantongtang were 0.8, 1.2, 0.9, and 1.1 g, respectively. The rhizome of Asarum heterotropoides var. mandshuricum or A. sieboldii var. seou1ense should be selected for Danggui Sinitang, Houpo Mahuangtang, and Qingshang Juantongtang, while that of A. siebodii var. seou1ense should be selected for Xinyisan. In terms of processing, Asari Radix et Rhizoma can be processed with wine when being used in Danggui Sinitang, Houpo Mahuangtang, Sanbitang, and Daqinjiaotang, and it can be stir-fried when being used in Xinyisan and Qingshang Juantongtang. In addition, the toxicity of Asari Radix et Rhizoma is associated with the compatibility of drugs and the physical conditions of patients.ConclusionBy reviewing the literature on Asari Radix et Rhizoma toxicity, we obtained the key information affecting the toxicity of Asari Radix et Rhizoma and explored the effective ways to avoid the toxicity. This study provides a sufficient basis for the rational development and safe application of the classical prescriptions containing Asari Radix et Rhizoma.
关键词:classical prescription;toxic Chinese herbal medicine;Asari Radix et Rhizoma;effective avoidance;literature research
摘要:ObjectiveTo explore the mechanism of Qigesan (QGS) in intervening in the migration and invasion of esophageal carcinoma TE-1 cells.MethodMicroarray technology was used to screen differentially expressed genes (DEGs) in the normal group and the QGS group, and the ontological functions and signaling pathways of DEGs were analyzed. The thiazolyl tetrazolium (MTT) assay was used to detect the effect of QGS on the viability of TE-1 cells. In the subsequent experiments for verification, a blank group, a transforming growth factor-β1 (TGF-β1) group, a TGF-β1 + QGS group, and a TGF-β1 + SB431542 group were set up. The cell morphology in each experimental group was observed by microscopy. The migration and invasion abilities of cells were detected by wound healing assay, and the mRNA expression levels of E-Cadherin, vimentin, Smad2, and Smad7 were detected by Real-time quantitative polymerase chain reaction (Real-time PCR). The protein expression of E-Cadherin, vimentin, p-Smad2/3, Smad2/3, and Smad7 was detected by Western blot.ResultThere were 1 487 DEGs between the QGS group and the blank group, including 1 080 down-regulated ones (accounting for 72.63%) and 407 up-regulated ones. The down-regulated genes were mainly involved in biological processes such as cytoskeletal protein binding, ATP binding, adenylate nucleotide binding, and adenylate ribonucleotide binding, and the involved Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways included TGF-β signaling pathway, cell cycle, extracellular matrix-receptor interaction protein, tumor pathways, and oocyte meiosis. The up-regulated genes were mainly involved in RNA binding, DNA binding, transcriptional regulator activity, transcriptional activator activity, and nucleotide binding, and the KEGG pathways involved mainly included mitogen-activated protein kinase (MAPK) signaling pathway, bladder cancer, renal cell carcinoma, cancer pathways, and p53 signaling pathway. Compared with the blank group, the inhibition rate of cell viability of TE-1 cells increased after QGS (20, 30, 40, 60, 80 mg·L-1) intervention for 12, 24, 36, 48, 60 h (P<0.05), and the inhibition rate was time- and dose-dependent. Compared with the blank group, the TGF-β1 group showed lengthened cells with fibroblast phenotype. Compared with the TGF-β1 group, the TGF-β1 + QGS group showed shortened cells with normal morphology and epithelial phenotype. The cell morphology in the TGF-β1 + SB431542 group was similar to that of the TGF-β1 + QGS group. Compared with the blank group, the TGF-β1 group showed potentiated ability of cell migration and invasion (P<0.05). Compared with the TGF-β1 group, the TGF-β1 + QGS group and the TGF-β1 + SB431542 group showed inhibited and weakened migration and invasion abilities of cells (P<0.05). However, there was no significant difference in migration and invasion abilities between the TGF-β1 + QGS group and the TGF-β1 + SB431542 group. The mRNA expression levels of vimentin and Smad2 in the TGF-β1 group were higher (P<0.05), and the mRNA expression levels of E-Cadherin and Smad7 were lower (P<0.05) than those in the blank group. Compared with the TGF-β1 group, the TGF-β1 + QGS group and the TGF-β1+ SB431542 group exhibited decreased expression levels of vimentin and Smad2 mRNA (P<0.05), and elevated expression levels of E-Cadherin and Smad7 mRNA (P<0.05). Compared with the blank group, the TGF-β1 group showed up-regulated protein expression levels of vimentin, p-Smad2/3, and Smad2/3 (P<0.05), and reduced protein expression levels of E-Cadherin and Smad7 (P<0.05). Compared with the TGF-β1 group, the TGF-β1 + QGS group and the TGF-β1 + SB431542 group displayed decreased protein expression levels of vimentin, p-Smad2/3, and Smad2/3 (P<0.05), and increased protein expression levels of E-Cadherin and Smad7 (P<0.05).ConclusionThe ethyl acetate extract of QGS inhibits the epithelial-mesenchymal transition (EMT) of TE-1 cells through the TGF-β1 pathway to reduce the migration and invasion of TE-1 cells.
摘要:ObjectiveTo investigate the effect and mechanism of pachymic acid (PA) in Poria on the invasion and metastasis of renal carcinoma cells.MethodThe effect of PA (0, 20, 40, 80, 160 μmol·L-1) on cell viability was detected by cell counting kit-8(CCK-8), and the dose of PA was selected for subsequent experiments. The effect of PA (0, 20, 40, 80 μmol·L-1) on cell proliferation was evaluated by colony formation assay. The effect of PA (0, 20, 40, 80 μmol·L-1) on cell adhesion ability was observed by cell adhesion assay. The effect of PA (0, 20, 40, and 80 μmol·L-1) on cell invasion and metastasis was investigated by Wound healing assay and Transwell invasion assay. The inhibitory effect of PA (0, 20, 40, 80 μmol·L-1) on cell motility was further observed and verified by high-content imaging technology. The effects of PA (0, 20, 40, 80 μmol·L-1) on the expression of matrix metalloproteinase (MMP)/tissue inhibitor of metalloproteinasas (TIMP) related to invasion and metastasis and Smads were detected by Western blot.ResultCCK-8 results showed that compared with the blank group, the PA groups showed decreased cell viability(P<0.01), with the half-maximal inhibitory concentration (IC50) of ACHN cells of 70.42 μmol·L-1 at 24 h. Colony formation assay showed that the number of cell clonal groups in the PA groups was reduced compared with that in the blank group(P<0.01). Cell adhesion assay showed that compared with the blank group, the PA groups displayed reduced cell adhesion(P<0.01). Wound healing assay showed that the wound healing rate of cells in the PA groups was lower than that in the blank group (P<0.05,P<0.01). Transwell invasion assay showed that compared with the blank group, the number of transmembrane cells in PA groups was reduced(P<0.01). High-content imaging showed that the cumulative migration distance of cells in the PA groups was shorter than that in the blank group(P<0.01). The results of Western blot showed that the protein expression of MMP-2 and MMP-9 in the PA groups decreased (P<0.01), and TIMP-1 protein expression increased (P<0.01) compared with those in the blank group. In addition, compared with the blank group, the PA groups showed decreased protein expression of Smad2 and Smad3 (P<0.01).ConclusionPA can inhibit the invasion and metastasis of renal carcinoma cells presumably through regulating the homeostasis of MMP/TIMP by Smad2/3.
关键词:pachymic acid;renal carcinoma;matrix metalloproteinase/tissue inhibitor of metalloproteinasas(MMP/TIMP);Smad2/3;invasion and metastasis
摘要:ObjectiveTo investigate the protective effect and mechanism of Euphorbia helioscopia aqueous extract (EHE) on mice with chronic obstructive pulmonary disease (COPD) and its influence on precancerous lesion-associated proteins in lung tissues induced by cigarette smoke (CS).MethodThe COPD model was induced by CS in 60 mice and the model mice were randomly divided into control group, model group, positive drug group (dexamethasone, 2 mg·kg-1), and low-, medium-, and high-dose EHE groups (1.875, 3.75, 7.5 g·kg-1). The high-performance liquid chromatography (HPLC) method was used to determine the related components in EHE. The changes in end-expiratory pause (EEP), airway resistance (Penh), expiratory flow at 50% vital capacity (EF50), and other pulmonary function indexes were detected by the spirometer. The levels of inflammatory factors, such as interleukin (IL)-2, IL-5, IL-18, IL-17A, and IL-27 in bronchoalveolar lavage fluid (BALF) of mice were detected by high-throughput liquid protein chip technology. Hematoxylin-eosin (HE) staining was used to detect the pathological changes in lung tissues in mice. The content of malondialdehyde (MDA), myeloperoxidase (MPO), and glutathione peroxidase (GSH-Px) in lung tissues was determined by the colorimetric method. The mRNA relative expression of tumor necrosis factor-α (TNF-α), transforming growth factor-β (TGF-β), matrix metalloproteinase-2 (MMP-2), matrix metalloproteinase-9 (MMP-9), and matrix metalloproteinase-12 (MMP-12) was detected by Real-time fluorescence quantitative polymerase chain reaction (Real-time PCR). Immunohistochemistry (IHC) was used to detect the expression of tumor protein (P53) and cell proliferation-associated antigen (Ki67) in lung tissues, and Western blot was used to detect the relative expression of tumor suppressor protein (P16), DNA (cytosine-5)-methyltransferase 1 (DNMT1), and fragile histidine triad (FHIT) in lung tissues.ResultThe results showed that the main compounds in EHE included phenols (gallic acid and protocatechuic acid) and flavonoids (such as hyperoside, rutin, myricetin, naringenin, quercetin, luteolin, kaempferol, and licorice chalcone A), among which gallic acid and rutin were the highest in content. Compared with normal group, model group showed increased levels of EEP, EF50, and Penh (P<0.05), and showed increased MDA and MPO levels (P<0.01) and decreased GSH-Px (P<0.01), and the model group displayed increased levels of IL-2, IL-5, IL-18, IL-17A, IL-27, TNF-α, TGF-β, MMP-2, MMP-9, and MMP-12 (P<0.05). And the model group exhibited up-regulated expression of P53, Ki67, and FHIT in lung tissues (P<0.01) and down-regulated expression of DNMT1 and P16 (P<0.01). Compared with model group, the EHE groups showed decreased EEP and EF50 levels (P<0.05). The pathological injury of lung tissues in mice of the model group was observed under HE staining, and the pathological injury of basal cell hyperplasia of lung tissues was gradually improved after treatment with EHE. The EHE groups showed reduced levels of MDA and MPO (P<0.01) and increased GSH-Px (P<0.01). The EHE groups displayed decreased levels of IL-2, IL-5, IL-18, IL-17A, IL-27, TNF-α, TGF-β, MMP-2, MMP-9, and MMP-12 (P<0.05). And the EHE groups showed down-regulated Ki67 and FHIT in lung tissues (P<0.05) and up-regulated expression of P53 and DNMT1 (P<0.05).ConclusionEHE can protect mice from COPD and inhibit precancerous lesions, and the mechanism may be related to the inhibition of inflammation and oxidative stress response, regulation of protease and antiprotease imbalance, and regulation of epithelial cell growth.
摘要:ObjectiveTo observe the intervention effect of Dahuang Xiezhuo prescription (DHXZ) on inflammation and suppressor of cytokine signaling 3 (SOCS3)/Toll-like receptor 4 (TLR4) pathway in rats with chronic renal failure (CRF), and to explore its molecular mechanism in alleviating renal inflammatory response.MethodThe 90 male SD rats, 15 were randomly selected as sham group, and the remaining 75 were used as modeling group to replicate CRF rat model by 5/6 nephrectomy. After successful modeling, the rats were randomly divided into model group, DHXZ low-, medium-, high-dose groups (6.825, 13.65, 27.3 g·kg-1) and Niaoduqing Granules group (2.6 g·kg-1). The drug intervention groups received corresponding drugs by gavage for 8 consecutive weeks. After administration, hematoxylin-eosin (HE) staining and Masson staining were used to observe the morphological changes of rat renal tissue, and blood creatinine (SCr), blood urea nitrogen (BUN) and blood uric acid (UA) were tested. Enzyme-linked immunosorbent assay (ELISA) was performed to detect the serum contents of interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α) and C-reactive protein (CRP). The mRNA expressions of SOCS3 and TLR4 in renal tissue were detected by Real-time fluorescence quantitative polymerase chain reaction (Real-time PCR), and the protein expressions of SOCS3, TLR4, nuclear transcription factor (NF-κB) and myeloid differentiation factor (MyD88) were detected by Western blot. Immunohistochemistry was used to determine the protein expressions of NF-κB, MyD88, NOD-like receptor protein 3 (NLRP3) and melanoma deficiency factor 2 (AIM2).ResultCompared with the sham group, the model group had a significant inflammatory response in renal tissue, and an increase in blood SCr, BUN, UTP, IL-6, TNF-α and CRP (P<0.05). The protein and mRNA expressions of SOCS3 in renal tissue of rats in the model group were lower while the protein expressions of TLR4, NF-κB, MyD88, NLRP3 and AIM2 and the mRNA expression of TLR4 were higher than those in the sham group (P<0.05). Compared with the model group, DHXZ and Niaoduqing granules groups presented markedly reduced inflammatory response in renal tissue and decreased blood SCr, BUN, UTP, IL-6, TNF-α and CRP (P<0.05). Additionally, DHXZ and Niaoduqing granules up-regulated the protein and mRNA expressions of SOCS3 in renal tissue while down-regulated the protein expressions of TLR4, NF-κB, MyD88, NLRP3 and AIM2 and the mRNA expression of TLR4 (P<0.05).ConclusionDHXZ can reduce the release and expression of inflammatory factors, inhibit the inflammatory response and improve renal function, and the mechanism may be related to the regulation of SOCS3/TLR4 signaling pathway.
摘要:ObjectiveTo investigate the feasibility of ethyl acetate fraction of Ipomoea muricatum (IM-EA) in the prevention and treatment of alcoholic gastric ulcer (GU) and explore its mechanism of action based on network pharmacology and experimental verification.MethodForty SD rats were randomly divided into a control group, a model group, a ranitidine group (2.7 mg·kg-1), and low- and high-dose IM-EA groups (30,60 mg·kg-1) after adaptive feeding for 7 days. The GU model was replicated by hydrochloric acid in absolute ethanol (150 mmol·L-1) in rats after prophylactic administration for one week. Hematoxylin-eosin (HE) staining and periodic acid-Schiff (PAS) staining were used to preliminarily evaluate the efficacy of IM-EA in the prevention and treatment of GU. Lead compounds of IM-EA were screened out by ADMET, and the SwissTarget platform was used to identify the potential targets for these compounds. GU-related targets were collected through DisGeNET, OMIM, and GeneCards databases, which were mapped to potential IM-EA targets to obtain the potential targets of IM-EA against GU. The STRING database was used to construct the protein-protein interaction (PPI) network to screen the hub targets, and the DAVID platform was used to annotate the biological functions of common targets to explore the underlying mechanism of IM-EA against GU. Autodock Vina software was used for the preliminary verification of the computer simulation. The serum levels of tumor necrosis factor (TNF)-α and interleukin (IL)-6 and the content of prostaglandin E2 (PGE2), matrix metalloproteinase-9 (MMP-9), and superoxide dismutase (SOD) in the gastric tissues were determined by enzyme-linked immunosorbent assay (ELISA). The relative expression levels of core proteins in the mitogen-activated protein kinase (MAPK) signaling pathway, such as Jun oncoprotein, extracellular signal-regulated kinase (ERK), and p38, in the gastric tissues were detected by Western blot.ResultAs revealed by the results of animal experiments, compared with the control group, the model group showed significantly damaged gastric tissues and reduced secretion of gastric mucus. Compared with the model group, the groups with drug intervention showed reduced ulcer areas in the gastric tissues (P<0.01) and improved gastric histopathological status and gastric mucus secretion, suggesting that IM-EA was effective in the prevention and treatment of GU. Sixteen lead compounds of IM-EA were screened out by ADMET, and 257 potential targets of IM-EA against GU were obtained. The hub nodes in the PPI network included targets of TNF-α, protein kinase B1 (Akt1), tumor protein 53 (TP53), epidermal growth factor receptor (EGFR), and ERK. Biological functional annotation and molecular docking results suggested that the MAPK signaling pathway potentially played a key role in the prevention and treatment of GU by IM-EA, which was synergistic with the vascular endothelial growth factor (VEGF) signaling pathway, phosphoinositide 3-kinase (PI3K)/Akt signaling pathway, and nuclear factor (NF)-κB signaling pathway in anti-inflammation, anti-oxidation, and damage repair. The pharmacological experiment results showed that compared with the control group, the model group showed increased serum IL-6 content (P<0.01), an increasing trend of TNF-α content, increased MMP-9 content in the gastric tissues (P<0.01), and decreased SOD content (P<0.05). Compared with the model group, the IM-EA groups showed decreased TNF-α and IL-6 levels in the serum and PGE2 and MMP-9 levels in the gastric tissues (P<0.01), and increased SOD content in the gastric tissues (P<0.01). Compared with the control group, the model group showed up-regulated expression of p-p38, p-Jun, and p-ERK in the gastric tissues (P<0.01) and up-regulated p38 and Jun (P<0.01). Compared with the model group, the IM-EA groups showed down-regulated p-p38, p-Jun, p-ERK, and p38 in the gastric tissues (P<0.01) and up-regulated relative expression of Jun and ERK (P<0.05).ConclusionIM-EA has a remarkable effect in the prevention and treatment of alcoholic gastric injury, which may be achieved through the mechanisms of anti-inflammation, anti-oxidation, and wound repair mediated by the MAPK signaling pathway.
关键词:Ipomoea muricatum;gastric ulcer;network pharmacology;mechanism of action;mitogen activated protein kinase (MAPK) signaling pathway
摘要:ObjectiveTo investigate the mechanism of Huazhuo Jiedu Huoxue Tongluo prescription in alleviating cerebral ischemia-reperfusion injury via regulating nerve cell autophagy based on c-Jun N-terminal kinase(JNK)signaling pathway .MethodSixty SD rats were randomly divided into 6 groups: sham group, middle cerebral artery occlusion/reperfusion (MCAO/R) group (model group), Huazhuo Jiedu Huoxue Tongluo prescription group [traditional Chinese medicine (TCM) group(25.0 g·kg-1)], JNK inhibitor SP600125 (SP) group(5 mg·kg-1), TCM+SP group and JNK agonist Anisomycin (Ani) group(15 mg·kg-1). After 24 h of modeling, TCM group and TCM+SP group were given TCM decoction (ig) for 3 consecutive days, and the other groups were given equal volume of normal saline (ig). Neurological deficit was evaluated by neurological function score and cerebral infarct volume was determined by 2,3,5-triphenyltetrazole chloride (TTC) staining. Hematoxylin-eosin (HE) staining and Nissl staining were used to observe the structural changes of brain tissue and the damage of neurons, respectively. Terminal deoxynucleotidyl transferase-mediated dUTP-biotin nick end labeling assay (TUNEL) was performed to detect cell apoptosis. The ultrastructure of autophagosomes was observed by transmission electron microscope. Western blot was employed to detect the protein expressions of microtubule-associated protein 1 light chain 3A/B (LC3A/B), autophagy related 5 (Atg5), the ortholog of yeast Atg6 (Beclin1), p62, B-cell lymphoma 2 (Bcl-2), JNK, phosphorylated (p)-JNK and c-Jun in brain tissue. The mRNA expressions of LC3A/B, Beclin1, p62, Atg5, Bcl-2, JNK and c-Jun were detected by Real-time fluorescence quantitative polymerase chain reaction (Real-time PCR).ResultCompared with the sham group, the model group had elevated neurological deficit score (P<0.05), enlarged cerebral infarct volume (P<0.05)and typical infarction manifestations formed in hippocampal region and its surrounding brain tissue. In addition, there were a large number of neuronal cell degeneration, necrosis, liquefaction, nucleus pyknosis and deep staining, and inflammatory cell infiltration in the cortex in the model group, and severe swelling of mitochondria, lysosomes, autophagosomes and autophagolysosomes were clearly seen under electron microscope. TUNEL positive cells were increased (P<0.05), and cell apoptosis was severe. The nuclear membrane and nucleolus of neurons in brain tissue were blurred with discontinuous processes, and Nissl bodies in cytoplasm were stained light with reduced number. Western blot revealed that the model group had up-regulated protein expressions of LC3A/B, Beclin1, Atg5, JNK, p-JNK and c-Jun in brain tissue (P<0.05), while down-regulated protein expressions of p62 and Bcl-2 (P<0.05)as compared with the sham group. Real-time PCR indicated that the mRNA expressions of LC3A/B, Beclin1, Atg5, JNK and c-Jun in the model group were higher (P<0.05) while the mRNA expressions of p62 and Bcl-2 were lower (P<0.05) than those in the sham group. Compared with the conditions in model group, the neurological deficit scores of TCM, SP and TCM+SP groups were lowered (P<0.05), and the cerebral infarct volume was reduced (P<0.05), with improved pathological status of brain tissue, especially in the TCM group. Furthermore, there were abundant and basically normal mitochondrial cristae, slightly dilated endoplasmic reticulum, slightly swollen golgi apparatus, slightly fused nuclear membrane, and few visible lysosomes, autophagosomes and autophagolysosomes. TUNEL positive cells were decreased (P<0.05), displaying reduced apoptosis, especially in the TCM group. The nucleolus and nuclear membrane of neurons in brain tissue were discernible, and Nissl bodies in cytoplasm was reduced to a certain degree as compared with those in the model group. Western blot showed a decrease in the protein expressions of LC3A/B, Beclin1, Atg5, JNK, p-JNK and c-Jun in the TCM group ,the SP group,and the TCM+SP group(P<0.05),while an increase in the protein expressions of p62 in the TCM group and SP group(P<0.05),and an increase in the protein expressions of Bcl-2 in the TCM group and TCM+SP group. By Real-time PCR, the mRNA expressions of LC3A, LC3B, Beclin1, Atg5, JNK and c-Jun had a down-regulation(P<0.05) while the mRNA expression of p62 a up-regulation in the TCM group ,the SP group,and the TCM+SP group(P<0.05),and the mRNA expression of Bcl-2 a up-regulation in the TCM group and the TCM+SP group(P<0.05).Scores of the Ani group were raised (P<0.05), and infarct volume was increased significantly, with aggravated neuronal cell necrosis and obvious inflammatory infiltration. Moreover, there were neuronal nuclear membrane fusion with abnormal protrusion, increased heterochromatin aggregation in edge, severe mitochondrial swelling, endoplasmic reticulum expansion, increased lysosomes, increased intracytoplasmic vesicles, and visible autophagosomes and autophagolysosomes. TUNEL positive cells were increased (P<0.05), representing severe apoptosis. The number of Nissl bodies dropped with light staining, and the nucleolus and nuclear membrane were blurred. Real-time PCR found that the mNRA expressions of Atg5, c-Jun, JNK were up-regulated (P<0.05),while Beclin1, p62, Bcl-2 were were down-regulated in the Ani group (P<0.05). Compared with the TCM group and SP group,the protein expressions of LC3A/B, Beclin1, Atg5, JNK, p-JNK, c-Jun were decreased,and p62, Bcl-2 were increased in the Ani group(P<0.05). Compared with the TCM group,the mRNA expressions of JNK mRNA had a down-regulation in the SP group and TCM+SP group,while LC3A, LC3B, Atg5, c-Jun, JNK had an up-regulation(P<0.05) and Bcl-2 had a down-regulation in the Ani group(P<0.05). Compared with the SP group,the mRNA expressions of Atg5, c-Jun, JNK had an up-regulation(P<0.05), and Beclin1, p62, Bcl-2 had a down-regulation in the Ani group(P<0.05).ConclusionHuazhuo Jiedu Huoxue Tongluo prescription significantly up-regulates the protein and mRNA expressions of LC3A/B, Beclin1, Atg5, JNK, p-JNK and c-Jun, and down-regulates the protein and mRNA expressions of p62 and Bcl-2, suggesting that the prescription can inhibit autophagy through JNK signaling pathway to reduce ischemia/reperfusion injury in rats.
摘要:ObjectiveTo preliminarily predict the targets and signaling pathways of indole-3-methanol in the treatment of obesity based on molecular docking technology and network pharmacology, and then verify the prediction results by the experiment in vitro.MethodThe pharmacological targets of indole-3-methanol were obtained from SwissTargetPrediction and literature review. Obesity-related targets were obtained from Online Mendelian Inheritance in Man (OMIM), GeneCards, and Comparative Toxicogenomics Database (CTD). The protein-protein interaction network of the targets of indole-3-methanol and obesity was built by STRING. Cytoscape 3.8.2 was used for target screening. Gene ontology (GO) functional annotation and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment were performed for the common targets shared by obesity and indole-3-methanol in DAVID 6.8. AutoDock Vina 1.1.2 was employed to perform the molecular docking between indole-3-methanol and disease targets. Finally, the in vitro experiment was carried out to verify the anti-obesity effect of indole-3-methanol.ResultIndole-3-methanol and obesity shared 80 common targets, which included matrix metalloproteinase (MMP)-9, Janus kinase (JAK) 2, etc. KEGG enrichment predicted that indole-3-methanol mainly acted on tumor necrosis factor (TNF), vascular endothelial growth factor (VEGF), tyrosine kinase receptor 2 (ErbB2), and epidermal growth factor receptor (EGFR) signaling pathways in the treatment of obesity. Molecular docking showed that indole-3-methanol had good binding activity with fat mass and obesity-associated protein (FTO). The results of Western blot, MTT assay, and oil-red O staining showed that indole-3-methanol down-regulated the expression of FTO in 3T3-L1 cells (P<0.05).ConclusionIndole-3-methanol may treat obesity by down-regulating the expression of FTO protein and further inhibiting adipocyte proliferation. This study provides an experimental basis for deciphering the anti-obesity mechanism of indole-3-methanol.
摘要:ObjectiveTo observe the clinical efficacy of Qiju Dihuangtang combined with Chinese medicine fumigation in the treatment of dry eye and its effect on the levels of interleukin-6 (IL-6) and matrix metalloproteinase-9 (MMP-9) in tears.MethodA total of 120 patients with dry eye of liver-kidney Yin deficiency syndrome who were treated in the Department of Ophthalmology, The Second Affiliated Hospital of Liaoning University of Traditional Chinese Medicine(TCM) from october 2019 to october 2021 were randomized into the observation group and control group. The control group was given sodium hyaluronate eye drops, and the observation group was treated with sodium hyaluronate eye drops, Qiju Dihuangtang, and Chinese medicine fumigation. The treatment lasted 30 days for both groups. The changes of ocular surface disease index (OSDI), TCM syndrome score, tear secretion (SIT), tear film breaking up time (BUT), corneal fluorescein staining (FL), and tear interleukin-6 (IL-6) and matrix metalloproteinase-9 (MMP-9) were observed.ResultAfter the treatment, the total effective rate was 90.0% (54/60) in the observation group and 75.0% (45/60) in the control group (χ2=4.675, P<0.05). After treatment, the OSDI score and TCM syndrome score were lower than those before treatment in both groups (P<0.05), and lower in the observation group than in the control group (P<0.05). After treatment, the SIT and BUT were higher (P<0.05) and FL score was lower (P<0.05) than those before treatment in both groups. After treatment, the improvement of the above indicators in the observation group was better than that in the control group (P<0.05). After treatment, the levels of IL-6 and MMP-9 were lower than those before treatment in both groups (P<0.05), and lower in the observation group than in the control group (P<0.05).ConclusionQiju Dihuangtang combined with Chinese medicine fumigation can effectively improve subjective symptoms, promote tear secretion, prolong BUT, enhance corneal epithelial repair, and reduce the levels of tear IL-6 and MMP-9 in the treatment of dry eye.
关键词:dry eye;Qiju Dihuangtang;fumigation with Chinese medicine;clinical efficacy;inflammatory factor
摘要:ObjectiveTo investigate the clinical efficacy and possible mechanism of Erzhi Tiangui prescription on repeated implantation failure (RIF) of kidney deficiency syndrome.MethodSeventy patients with RIF of kidney deficiency syndrome who underwent natural cycle frozen-thawed embryo transfer (FET) in the Reproductive and Genetic Center of the Affiliated Hospital of Shandong University of Traditional Chinese Medicine were enrolled and randomly divided into a treatment group (35 cases) and a control group (35 cases). Patients in the treatment group took oral Erzhi Tiangui prescription from the third day of each menstrual cycle two months before the FET cycle and continued to take it until the day of transplantation from the third day of the menstrual cycle in the month of transplantation. Those in the control group did not accept traditional Chinese medicine (TCM). In addition,10 patients who successfully achieved clinical pregnancy after the first natural cycle FET were screened from the reproductive medical record bank of this hospital and assigned to the normal group. Peripheral blood samples of patients in the three groups on the day of embryo transfer were collected from the specimen bank of the Reproductive and Genetic Center. Serum soluble programmed death molecule-1 (sPD-1),soluble programmed death molecule-ligand 1 (sPD-L1),transforming growth factor-β (TGF-β),interleukin-17 (IL-17), and interleukin-10 (IL-10) levels were measured by enzyme-linked immunosorbent assay (ELISA). The changes in kidney deficiency syndrome scores, the final biochemical pregnancy rates, clinical pregnancy rates, and embryo implantation rates of the treatment group and the control group before and after treatment were observed.ResultCompared with the normal group,the model group showed increased serum levels of sPD-1 and IL-17(r=0.347,P<0.05),decreased levels of IL-10 and TGF-β (P<0.01),and non-significant change in sPD-L1 level. Serum sPD-1 was positively correlated with IL-17 (P<0.05) and negatively correlated with IL-10(r=-0.521,P<0.01) and TGF-β(r=-0.457,P<0.01) in RIF patients with kidney deficiency syndrome. After TCM treatment,compared with the control group, the treatment group showed improved TCM syndrome score (P<0.05) and increased clinical pregnancy rate and embryo transfer rate(P<0.05),but there was no statistically significant difference in the biochemical pregnancy rate between the two groups.ConclusionAbnormal expression of sPD-1 in patients with RIF of kidney deficiency syndrome breaks the balance of T helper 17 (Th17)/regulatory T cell (Treg),which is not conducive to embryo implantation and pregnancy maintenance. Erzhi Tiangui prescription,a TCM for tonifying the kidney,can significantly improve the symptoms of kidney deficiency in patients with RIF of kidney deficiency syndrome,reduce the concentrations of sPD-1 and IL-17 in the peripheral serum,increase the levels of TGF-β and IL-10,regulate the peripheral Th17/Treg immune balance,and increase the implantation rate and clinical pregnancy rate,which has a high clinical value.
摘要:ObjectiveTo evaluate the effect of the therapy of dispelling stasis, removing toxin, and promoting urination (modified Linggui Zhugantang combined with Xuebijing injection) on the prognosis of sepsis-induced cardiomyopathy (SICM).MethodA total of 96 patients were randomly assigned into an observation group and a control group, with 48 patients in each group. The patients in the control group received sepsis bundle, and those in the observation group additionally received the therapy of dispelling stasis, removing toxin, and promoting urination (intravenous drip of Xuebijing injection and oral administration of modified Linggui Zhugantang). The course of treatment in both groups was 7 days. The disease and prognosis indicators [28-day mortality, intensive care unit (ICU) length of stay, major adverse cardiac events (MACE), acute physiology and chronic health evaluation Ⅱ (APACHE Ⅱ), sequential organ failure assessment (SOFA) score, and mortality in emergency department sepsis (MEDS) score], cardiac function indicators [left ventricular ejection fraction (LVEF), E/A ratio of peak velocity blood flow from left ventricular relaxation in early diastole (the E wave) to peak velocity flow in late diastole caused by atrial contraction (the A wave), E/e′ ratio of mitral peak velocity of early filling (E) to early diastolic mitral annular velocity (e′), and afterload-corrected cardiac performance (ACP)], myocardial injury markers [high-sensitivity cardiac troponin T (hs-cTnT), N-terminal pro-brain natriuretic peptide (NT-proBNP), heart-type fatty acid-binding protein (H-FABP), and high mobility group box-1 (HMGB-1)], hemodynamic indicators [extravascular lung water index (EVLWI), global end-diastolic volume index (GEDVI), cardiac index (CI), and systemic vascular resistance index (SVRI)], and TCM syndrome scores were assessed and compared between the two groups.ResultThe 28-day mortality and the incidence of MACE in the observation group were slightly lower than those in the control group. The ICU length of stay in the observation group was shorter than that in the control group (P<0.05). After treatment, APACHE Ⅱ, SOFA, MEDS, syndrome score of stasis-caused internal obstruction, E/e′ ratio, hs-cTnT, NT-proBNP, H-FABP, and HMGB1 decreased compared with those before treatment (P<0.05), while LVEF, E/A ratio, and ACP increased (P<0.05). Moreover, the changes were more significant in the observation group (P<0.05). On days 3, 5, and 7 after treatment, the EVLWI and SVRI in the observation group were lower than those in the control group (P<0.05), while CI showed an opposite trend (P<0.05). The observation group had higher GEDVI than the control group on days 3 and 5 after treatment (P<0.05).ConclusionOn the basis of conventional bundle therapy, modified Linggui Zhugantang combined with Xuebijing injection with the effect of dispelling stasis, removing toxin, and promoting urination can inhibit the generation of myocardial injury markers and improve hemodynamics to shorten the length of ICU stay, mitigate the TCM syndrome, and reduce the risk of death, thereby improving the prognosis of SICM.
关键词:sepsis-induced cardiomyopathy;therapy of dispelling stasis, removing toxin, and promoting urination;Linggui Zhugantang;Xuebijing injection;hemodynamics;cardiac function
摘要:ObjectiveTo investigate the clinical effect of Guanxin Shutong capsules (GXSTC) on coronary heart failure with heart blood stasis.MethodA total of 98 coronary heart failure patients with heart blood stasis who visited the expert clinics of the Affiliated Hospital of Liaoning University of Traditional Chinese Medicine from June 2020 to August 2022 were selected. They were randomized into a control group and an observation group, with 49 in each group. The two groups were given standardized treatment according to the guidelines for coronary heart failure. On this basis, the observation group was treated with Chinese patent medicine GXSTC. The cardiac structural and functional indicators, total effective rate of symptoms, exercise tolerance, heart rate variability (HRV), quality of life and inflammatory factor levels of the two groups before and after treatment were compared.ResultBefore treatment, there was no notable difference in high-sensitivity C-reactive protein (hs-CRP), six minute walk test (6MWT), minnesota living with heart failure questionnaire (MLHFQ) score, left ventricular ejection fraction (LVEF), tumor necrosis factor-α (TNF-α), left ventricular end-diastolic diameter (LVEDD), N-terminal pro-brain natriuretic peptide (NT-proBNP) and HRV between the two groups, and thus the data were comparable. After treatment, the observation group had higher effective rates of traditional Chinese medicine (TCM) symptoms (Z=-2.362, P<0.05) and New York heart association class (NYHA) functional classes (Z=-2.175, P<0.05) than the control group. The two groups presented decreased LVEDD, TNF-α, NT-proBNP and hs-CRP (P<0.05, P<0.01) while increased MLHFQ, 6MWT and HRV(P<0.05,P<0.01) after treatment as compared with those before treatment, and the observation group had more decrease or increase than the control group (P<0.05, P<0.01).ConclusionGXSTC combined with standardized treatment relieves the physical symptoms of coronary heart failure patients with heart blood stasis, improves exercise tolerance and quality of life, reduces inflammatory reaction, increases HRV, and improves cardiac structure and function.
摘要:ObjectiveTo analyze the community structure of endophytes in Panax quinquefolium root and explore the dominant endophytic bacteria and fungi, to provide scientific basis for the establishment of endophytic microbial bank in P. quinquefolium root.MethodInternal Transcribed Spacer (ITS) sequencing and 16S sequencing were performed on six P. quinquefolium root samples collected from Wendeng, Shandong province on PacBio Sequel Ⅱ.ResultA total of 8 phyla, 11 classes, 23 orders, 27 families and 53 genera of endophytic bacteria were identified in P. quinquefolium root, among which an unidentified Burkholderiaceae and an unidentified Rhizobiaceae were dominant. A total of 9 phyla, 23 classes, 35 orders, 43 families and 48 genera of endophytic fungi were identified in P. quinquefolium root, among which an unclassified Helotiales and Pseudogymnoascus were dominant. The community structure of endophytic bacteria revealed that the roots were selectively enriched with nitrogen-fixing bacteria such as unidentified Rhizobiaceae, Bradyrhizobium and Herbaspirillum, which suggested that nitrogen is important for the growth of P. quinquefolium root. The community structure of endophytic fungi indicated that P. quinquefolium in Shandong province might be infected by unclassified Helotiales.ConclusionThere is a rich diversity of endophytic bacteria and fungi in P. quinquefolium root, which provides scientific basis for studying the interaction of the plant with endophytic microorganisms and screening the endophytes to promote the growth of P. quinquefolium root.
摘要:ObjectiveTo perform a predictive analysis of the quality marker(Q-Marker) for the anticoagulant activity of Kunning granules.MethodThe chemical components of Kunning granules were analyzed by ultra high performance liquid chromatography-quadrupole-time of flight tandem mass spectrometry(UHPLC-Q-TOF-MS/MS) on a Waters ACQUITY UPLC HSS T3 column(2.1 mm×100 mm, 1.8 μm) with the mobile phase of acetonitrile(A)-25 mmol∙L-1 ammonium acetate aqueous solution(B) for gradient elution (0-5 min, 5%-22%A; 5-10 min, 22%-30%A; 10-15 min, 30%-95%A; 15-20 min, 95%-5%A; 20-30 min, 5%A), flow rate of 0.2 mL∙min-1, column temperature at 30 ℃, injection volume of 1 μL, electrospray ionization(ESI), positive and negative ion detection modes. Interaction analysis between the targets of chemical components and the targets of abnormal uterine bleeding(AUB) was performed by network pharmacology, and the key components were screened through network topology analysis. The fingerprints of 10 batches of Kunning granules were established by high performance liquid chromatography(HPLC), the anticoagulant activity of the granules was determined by blood coagulation method and fibrinogen plate method, and the spectrum-effective relationship was established. The components co-occurring in the topological analysis and spectrum-effective relationship were selected as Q-Markers, and their anticoagulant activities were verified and confirmed.ResultA total of 475 chemical components were identified from Kunning Granule, of which 22 key components such as salvianolic acid B, paeoniflorin, naringin and neohesperidin, were the potential material basis for the treatment of AUB. The spectrum-effective analysis showed that peaks 7(paeoniflorin), 9(naringin), 10(neohesperidin) and 11(salvianolic acid B) were the optimal principal components, and in vitro activity test showed that these four components could better characterize their anticoagulant activity.ConclusionSalvianolic acid B, paeoniflorin, neohesperidin and naringin may be Q-Markers for the anticoagulant activity of Kunning granules.
关键词:Kunning granules;ultra high performance liquid chromatography-quadrupole-time of flight tandem mass spectrometry(UHPLC-Q-TOF-MS/MS);network pharmacology;spectral efficacy;anticoagulant activity;quality marker(Q-Marker);abnormal uterine bleeding(AUB)
摘要:ObjectiveTo compare the effects of different processing methods in ancient and modern times on the chemical components of Lilii Bulbus decoction, and to provide experimental support for the origin processing, decoction piece processing and clinical application of this herb.MethodUltra high performance liquid chromatography tandem quadrupole electrostatic field orbitrap high resolution mass spectrometry(UHPLC-Q-Orbitrap HRMS) was used for structural identification of the compounds using excimer ions, secondary MS and characteristic fragment ions, and referring to relevant literature and database information. Principal component analysis(PCA) and orthogonal partial least squares discriminant analysis(OPLS-DA) were used to screen the main differential components, the differential components were quantitatively studied by high performance liquid chromatography(HPLC), in order to compare the types and contents of chemical components in the decoction of different processing products of Lilii Bulbus.ResultA total of 24 chemical components were identified from the decoction of different processed products of Lilii Bulbus, water extract and scalding liquid of fresh Lilii Bulbus, including 17 phenols, 5 saponins and 2 alkaloids. Compared with the fresh Lilii Bulbus decoction, the contents of regaloside A, p-coumaric acid, colchicine and other components in the decoction of dry Lilii Bulbus processed by scalding method decreased, the content of regaloside C in the decoction of dry Lilii Bulbus processed by steaming method decreased, and the contents of regaloside A and regaloside C in the decoction of fresh Lilii Bulbus processed by water immersion also decreased. Compared with the decoction of dry Lilii Bulbus processed by scalding method, the overall content of components in the fresh Lilii Bulbus decoction and the decoction of fresh Lilii Bulbus processed by water immersion was higher, the contents of components in the decoction of dry Lilii Bulbus processed by steaming method was higher, except for the slightly lower content of regaloside C.ConclusionDifferent processing processes have a certain effect on the types and contents of chemical components in Lilii Bulbus decoction. Scalding process is beneficial to the preservation of Lilii Bulbus, but can cause the loss of effective components. Compared with scalding method, steaming method can prevent browning of Lilii Bulbus and reduce the loss of its active ingredients. The processing method of removing foam after overnight immersion proposed by ZHANG Zhongjing may be more conducive to the treatment of Baihe disease, which can provide reference for the clinical rational application and mechanism research of different processed products of Lilii Bulbus.
关键词:Lilii Bulbus;ultra high performance liquid chromatography tandem quadrupole electrostatic field orbitrap high resolution mass spectrometry(UHPLC-Q-Orbitrap HRMS);principal component analysis(PCA);orthogonal partial least squares discriminant analysis(OPLS-DA);traditional Chinese medicine processing;origin processing;decoction pieces
摘要:ObjectiveTo establish a rapid screening method for influenza virus neuraminidase(NA) inhibitors sourced from Chinese medicines based on fluorescence detection.MethodThe method was constructed based on the principle that after the reaction of the test sample and a certain amount of NA, the activity of some NA will be inhibited by the test sample, and the NA that is still active after the addition of the substrate can generate fluorescence at a specific wavelength when combined with the fluorescent substrate, and the inhibition rate of the test sample on NA was calculated according to the measured fluorescence intensity, so as to evaluate the in vitro inhibitory activity of the test sample on NA. A total of 49 high-purity chemical components from 12 Chinese medicines were used to evaluate the in vitro anti-NA activity by the established method. The theoretical calculated values of binding energy and inhibition constant after docking between the NA protein receptor and the test sample were used to prove the accuracy of the experimental results. The established method was applied to detect the in vitro NA inhibitory activity of different batches of Banlangen granules and Kangbingdu granules, so as to evaluate the quality consistency among different batches of samples.ResultThe methodological examination results showed that the method had good accuracy and repeatability. The screening results of 49 components showed that 22 of them had strong in vitro inhibitory activity against NA than peramivir [half inhibitory concentration(IC50) was 131.2 μmol·L-1], such as schaftoside, isoorientin, chebulinic acid, menthone and isoschaftoside. The inhibitory activity of the remaining 27 components was weaker than that of peramivir. The molecular docking results showed that the theoretical calculation results of binding energies and inhibition constants of most compounds were basically consistent with the experimental results. The test results of the inhibitory activity of 12 batches of Banlangen granules on NA showed that the quality consistency among samples A1, A2, B2, C1, C2, E2 and F2 was good. The analysis results of the inhibitory activity of 9 batches of Kangbingdu granules produced by the same manufacturer on NA showed that the inhibitory rates of samples K1 to K9 were 37.68%, 36.18%, 31.37%, 33.98%, 40.36%, 33.76%, 40.69%, 41.08%, 40.06% when the concentration of 0.02 g·mL-1, and the average inhibitory rate was 37.24%.ConclusionIn this paper, we successfully established an analytical method that can be used to rapidly evaluate whether Chinese medicines (derived from chemical components of traditional Chinese medicine or proprietary Chinese medicines) have in vitro anti-NA activity, which can be a powerful supplement to the existing screening methods for influenza virus NA inhibitors. And this method was used to screen 22 compounds from 12 Chinese medicines with good in vitro inhibitory activity against NA, which can provide candidate compounds for the development of anti-influenza small molecule drugs.
摘要:Dioscoreae Rhizoma formula granules are made from decoction pieces by decocting, extracting, separating, concentrating, drying and granulating, which have the advantages of simple dispensing, convenient use and easy to take without decoction. However, because Dioscoreae Rhizoma is rich in starch and mucus components, its extract powder and formula granules are poorly soluble and difficult to dissolve or disperse completely within 5 min, and the insoluble material is difficult to dissolve completely even after 24 h in water, which affects the quality evaluation of the formula granules and medication psychology of patients. Therefore, by studying the dissolution process and mechanism of Dioscoreae Rhizoma extract and its formula granules, it was found that the special chemical composition of Dioscoreae Rhizoma, the denaturation of starch and its compounding with protein and other substances during the high temperature extraction process, and the contraction of coating membrane during the spray drying process were combined to form the special microstructure of coating membrane covering starch granules, and it is the root cause of poor solubility of Dioscoreae Rhizoma formula granules. Based on the research on the structure, property and function of the powder, this paper proposed a technical strategy to improve the solubility of Dioscoreae Rhizoma formula granules by powder modification process, and experimentally demonstrated that the modified Dioscoreae Rhizoma formula granules could completely dissolve within 2 min, which solved the technical problem and could provide reference for the improvement of solubility of other similar varieties, and promote the high-quality development of traditional Chinese medicine formula granule industry.
关键词:Dioscoreae Rhizoma;traditional Chinese medicine formula granules;solubility;microstructure;spray drying;powder modification technology;starch
摘要:ObjectiveThe relevant laws among the growth habits, habitat, medicinal site and sex, taste and efficacy of rattan derived traditional Chinese medicine(TCM) were explored to strengthen the demonstration of the quality theory and to provide theoretical basis for the clinical use and resource development of rattan.MethodThe characteristics, effects, parts, families and growth habits of some TCM from rattan were analyzed. By referring to Chinese Flora, Chinese Materia Medica, Chinese Materia Medica Dictionary and other literature, a total of 48 kinds of Rattan from Chinese medicines included in the 2020 edition of Chinese Pharmacopoeia were screened out, and their property and meridian tropism, medicinal parts, habitat and classification of TCM were statistically analyzed. Excel 2013 and SPSS Statistics 26.0 were employed for statistical research.ResultThe results of the analysis of rattan derived Chinese medicine showed that in the families and genera, Tetrandaceae > Dioscorea > Leguminoa > Cucurbitaceae > Woodtonaceae, etc. In the nature, cold > warm > flat > cool > hot; Bitter > sweet > octane > acid. In the liver meridian, liver > lung > heart > spleen > stomach = bladder = kidney > large intestine. In medicinal parts, root and rhizome > vine stem > fruit seed > flower > vascular bundle = whole grass. In terms of habitat distribution, Guangdong > Guangxi > Yunnan > Fujian > Zhejiang, et al. In the classification of TCM, dispelling wind and dampness > clearing heat > improving water and dampness > promoting blood circulation and removing blood stasis.ConclusionRattan from TCM are mainly cold in nature, bitter in flavors, and entered liver meridian, and the root and stem of Rattan are mainly used in medicine, mostly distributed in the southeast coast of China. The main effects are to channel and activate collaterals, dispel wind and dehumidification, promote blood circulation and relieve pain, clear heat and detoxify. The morphology habit, growth environment and medicinal parts of Rattan from Chinese medicine were correlated with the property and efficacy. There was a certain correlation between the growth habits, habitat and medicinal site of rattan derived Chinese medicine and its sexual and taste effect, which provided reference for the development and utilization of rattan derived Chinese medicine resources.
关键词:rattan;Chinese medicine;habit;habitat;medicinal parts;property and efficacy
摘要:ObjectiveTo construct the syndrome differentiation and treatment process in the diagnosis and treatment guideline into a visual knowledge graph using knowledge graph technology, and visualize the process from the input of clinical manifestations to the output of corresponding traditional Chinese medicine (TCM) diagnosis and prescriptions through programs, to visually display the diagnosis and treatment process as well as the data relationship for TCM practitioners. This paper facilitated the standardized and normalized TCM diagnosis and treatment of coronary heart disease, and provided technical support for the inheritance and promotion of TCM diagnosis and treatment.MethodNeo4j and py2neo were used to construct a knowledge graph based on the Guideline for Diagnosis and Treatment of Coronary Heart Disease with Stable Angina Pectoris published by China Association of Chinese Medicine Cardiovascular Disease Branch. A knowledge graph regarding the input of clinical manifestations was built through programs, visually displaying the standardized TCM diagnosis and treatment process of coronary heart disease with stable angina pectoris.ResultThe structured data were extracted from the guideline by py2neo connecting to Neo4j and imported into Neo4j to construct the knowledge graph of TCM diagnosis and treatment of coronary heart disease with stable angina pectoris, which had graph database query function.ConclusionAiming at the problems existing in the inheritance of TCM diagnosis and treatment, this paper proposed a diagnosis and treatment guideline integrating the experience of TCM experts and evidence-based evidence for coronary heart disease with stable angina pectoris, and realized the visualization process of knowledge graph based on TCM diagnosis and treatment guideline and the experience of TCM experts. It is helpful to intuitively display the whole TCM diagnosis and treatment process from symptom input to prescriptions and inherit TCM experience, providing a new paradigm for standardized and normalized TCM diagnosis and treatment.
关键词:traditional Chinese medicine;diagnosis and treatment guideline;coronary heart disease;knowledge graph;Neo4j
摘要:Based on the correlation between Qi and blood in traditional Chinese medicine, the collateral disease theory puts forward that the Qi-collateral go hand in hand with the vessel-collateral of the brain, and to be as close as lips to teeth in structure and function, which is an important basis for the function of brain governing mind. And this theory proposes that deficiency/stagnancy of collateral-Qi, stagnation of collaterals and loss of consciousness are the main pathogenesis of Alzheimer's disease(AD), which is different from the research strategy of modern medicine focusing on neurons. It is suggested that it is necessary to treat AD from two aspects, including neuronal protection(elimination of pathological products such as β-amyloid and phosphorylated tau protein) and cerebral microvascular protection(protection of cerebral microvascular structure and function, promotion of therapeutic angiogenesis and increase of cerebral blood flow. Tongxinluo capsules is a representative drug for dredging collaterals developed under the guidance of the therapeutic principle of collaterals need circulation, it can protect microvessels and play a neuroprotective role mediated by vascular protection. Clinical studies have confirmed that Tongxinluo capsules can effectively treat AD, vascular dementia and cognitive impairment related diseases, which can provide new ideas and effective treatment ways to prevent and treat AD from neurovascular protection in a comprehensive manner.
关键词:collateral disease;Alzheimer's disease;Tongxinluo Capsules;neuroprotection;cerebral microvascular protection;β-amyloid;tau protein
摘要:Ulcerative colitis (UC), a chronic inflammatory bowel disease affecting the colorectum with high morbidity and prevalence, has become a global burden. However, the causes and pathogenesis are still unclear. Available studies have verified that the imbalance of intestinal microenvironment is crucial in the occurrence and development of UC. Intestinal microenvironment is mainly composed of intestinal microbiota and intestinal mucosal cells, which are involved in the physiological and pathological activities of the body through the intestinal microbial barrier, chemical barrier, mechanical barrier, and immune barrier. Thus, probiotic agents, 5-aminosalicylic acid preparations, corticosteroids, immunosuppressants, biological preparations and other drugs are commonly used in western medicine for the treatment of UC, which, however, have limitations. Therefore, it is the key task for the prevention and treatment of UC to find new therapies. In recent years, it has been found that traditional Chinese medicine (TCM) has unique advantages in the prevention and treatment of UC. Chinese medicine compounds and Chinese medicine monomers can regulate the intestinal microenvironment through multiple pathways and targets, thereby intervening the occurrence and development of UC. It has gradually become a hot spot in the prevention and treatment of UC and attracted extensive attention. Therefore, this study first discussed the correlation between intestinal microenvironment imbalance and UC and then summarized the mechanisms of TCM against UC from the aspects of regulating intestinal flora, improving chemical barrier, protecting mechanical barrier, and inhibiting immune inflammatory response, in order to provide new ideas for the research on TCM in the treatment of UC.
关键词:intestinal microenvironment;ulcerative colitis;traditional Chinese medicine;chronic inflammatory;mechanism
摘要:Wumeiwan are recorded in the Jueyin chapter of Treatise on Cold Damage and Miscellaneous Diseases (《伤寒杂病论》), and many doctors in the past dynasties believed that they had the effects of calming intestinal ascarid by warming Zang organs. The clinical application was limited. Since KE Qin, a doctor in the Qing dynasty, proposed that Wumeiwan were the primary prescription against Jueyin diseases, Wumeiwan have been valued by doctors, and their clinical application has also been expanded. The syndrome indicated for Wumeiwan is attributed, not only to the ascarid internal harassment, but to the abnormal Qi movement of wind and wood in Jueyin and the dysfunction of Yin and Yang. According to the functions of six meridians based on the theory of "open-close axis" in Huangdi's Internal Classic (《黄帝内经》) and the original texts of Treatise on Cold Damage and Miscellaneous Diseases, Yinshu refers to Jueyin. Wumeiwan, the primary prescription against Jueyin diseases, have the function of connecting Yin and Yang, and they can treat diseases caused by Qi disturbance of Jueyin and cold and heat in complexity. Sharing the same resource, the Secrets for Auxiliary Cultivation Life: The Essential Method of Using Herbal Medicine for the Differential Treatment of the Five Zang Organs (《辅行诀五脏用药法要》) and Treatise on Cold Damage and Miscellaneous Diseases both consult Models of the Classic of Decoction (《汤液经方》). The formulation rules of tonic/purgative and collapse-saving prescriptions in Secrets for Auxiliary Cultivation Life follow the recorded "Tang Ye Jing Fa Tu" (an image revealing the compatibility principles of Chinese herbal drugs) and are closely related to the five elements theory. By exploring the formulation rules in "Tang Ye Jing Fa Tu" and the five elements of drugs, this study analyzed Wumeiwan and proved that Wumeiwan mainly acted on the liver, spleen, and heart. According to the Five Zang-organs Storing Spirit theory from Huangdi's Internal Classic, the above three organs are closely related to emotional adjustment. Therefore, the treatment of emotional disorders caused by qi disturbance of Jueyin and cold and heat in complexity with Wumeiwan is supported by evidence. At the end of this article, the reports on the treatment of emotional disorders with Wumeiwan in recent years were listed and reviewed. This article provides new ideas for the clinical application of Wumeiwan in the treatment of emotional disorders and expands the application range.
关键词:Wumeiwan;Secrets for Auxiliary Cultivation Life;Treatise on Cold Damage;emotional disorder;Yinshu
摘要:Human epidermal growth factor receptor-2 (HER-2)-positive breast cancer has higher predilection to metastasize and invade other organs, leading to poor prognosis. The anti-HER-2 drugs, such as trastuzumab, pertuzumab, and trastuzumab emtansinehas, can remarkably prolong the disease free survival (DFS) of patients. However, frequent multidrug resistance, tumor recurrence and metastasis, and adverse reactions such as cardiotoxicity and gastrointestinal discomfort caused by adjuvant therapy are still challenges for the treatment of HER-2-positive breast cancer. The understanding of breast cancer in traditional Chinese medicine (TCM) has a long history. In thousands of years of inheritance and innovation, a standardized treatment system with TCM characteristics has been gradually formed, which shows unique advantages and significant curative effects in breast cancer treatment. The treatment principles of ''treatment based on syndrome differentiation'', ''treatment based on stages and types'', ''treatment according to individual conditions'', and ''treatment of different viscera and viscera based on the toxin and pathogen'' are closely related to the precise treatment concept. In view of the challenges in the treatment of HER-2-positive breast cancer, such as multidrug resistance, tumor recurrence and metastasis, cardiotoxicity, and gastrointestinal discomfort, this paper summarizes the characteristics of TCM in reversing the multidrug resistance, inhibiting tumor recurrence and metastasis, prolonging DFS, improving prognosis, reducing adverse reactions caused by adjuvant therapy, and improving the quality of life after breast cancer surgery according to the principles of reinforcing healthy Qi and eliminating pathogen, and treatment based on syndrome differentiation. This article is expected to serve as a reference for TCM treatment of HER-2 positive breast cancer.
关键词:traditional Chinese medicine;human epidermal growth factor receptor -2 (HER-2)-positive breast cancer;drug resistance;recurrence and metastasis;adverse reactions
摘要:Gouty arthritis (GA) is a metabolic disease caused by disorders of purine metabolism and/or abnormal excretion of uric acid in the body. Its pathogenesis is mostly related to dietary structure as well as excessive intake of protein, sugar and fat, and the clinical manifestations are joint redness, swelling, heat and pain, which seriously affect the daily life of patients. Therefore, it is urgent to carry out research on anti-GA drugs. Western drugs for the treatment of GA, such as colchicine, can relieve pain in the short term, but with obvious side effects in long-term treatment. Traditional Chinese medicine has definite efficacy and high safety in the treatment of GA and is more acceptable to patients than western medicine. Modern medical research has concluded that inflammatory factors, oxidative stress, apoptosis and intestinal dysbacteriosis are closely related to the pathogenesis of GA. In-depth research has found that single traditional Chinese medicine and its compounds can regulate Toll-like receptors/myeloid differentiation factor 88 (TLRs/MyD88) signaling pathway, NLR family pyrin domain containing 3 (NLRP3) inflammasome, nuclear transcription factor-κB (NF-κB) and other inflammatory signaling pathways, and further intervene in the downstream cytokines such as interleukin-1β (IL-1β), interleukin-2 (IL-2), interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α), peroxisome proliferator-activated receptor γ (PPARγ), nuclear factor of kappa light polypeptide gene enhancer in B-cells inhibitor-α(IκB-α) and aspartate-specific cysteine protease 1 (Caspase-1) to reduce inflammatory factors and increase anti-inflammatory factors, thereby exerting the anti-GA role. Therefore, this paper summarized and elaborated the experiments of inflammatory response mediated by traditional Chinese medicines and their compounds via regulating inflammatory signaling pathways in recent years, which provides new ideas and theoretical basis for finding more related anti-inflammatory traditional Chinese medicines for the treatment of GA.
关键词:gouty arthritis;traditional Chinese medicine;compound;inflammation;signaling pathway;research progress
摘要:Liver fibrosis is a wound healing response that occurs in the setting of chronic liver injury and is caused by imbalance in the synthesis and degradation of extracellular matrix (ECM). If left untreated, it can progress to liver cirrhosis and hepatocellular carcinoma. The activation of hepatic stellate cell (HSC) is now well established as a central driver of liver fibrosis. The activated HSC will transform into myofibroblasts that produce ECM protein. Transforming growth factor-β1 (TGF-β1) can induce the activation of hepatic stellate cell (HSC), and TGF-β1/Smads signaling pathway is one of the important pathways to promote liver fibrosis. Non-coding RNA (ncRNA) does not encode proteins during the transcription but plays an important regulatory role in the post-transcriptional process of genes. Accumulating evidence shows that the occurrence of liver fibrosis is closely related to the abnormal expression of ncRNA which participates in the activation of HSC by regulating TGF-β1 signal transduction and then affects the process of liver fibrosis. MiRNA-mediated TGF-β1/Smads signaling pathway can not only promote liver fibrosis but also play a role in anti-fibrosis. Long non-coding RNA (lncRNA) not only promotes the development of liver fibrosis by binding to target genes but also enhances TGF-β1 signal transduction by acting as competitive endogenous RNA. circular RNA (circRNA) acts as a ''sponge'' to regulate TGF-β1/Smads pathway, thereby inhibiting HSC activation and exerting the anti-liver fibrosis effect. Chinese medicinal plays an essential part in the prevention and treatment of liver fibrosis, and the active components can inhibit TGF-β1/Smads pathway by regulating the expression of miRNA, thus alleviating liver fibrosis. This article reviews the role and mechanism of miRNA-, lncRNA- and circRNA-mediated TGF-β1/Smads signaling pathway in liver fibrosis and summarizes the anti-liver fibrosis effect of active components of Chinese medicinals by regulating miRNA-mediated TGF-β1/Smads signaling pathway, which can serve as a reference for clinical treatment of liver fibrosis and the development of new drugs.
关键词:transforming growth factor-β1 (TGF-β1)/Smads signaling pathway;non-coding RNA;liver fibrosis;hepatic stellate cell;active components of Chinese medicinal
摘要:The pathological manifestations of neurodegenerative diseases, such as Alzheimer's disease, Parkinson's disease, and multiple sclerosis, are abnormal protein aggregation and accumulation, microglia activation, and mitochondrial dysfunction, which eventually lead to the gradual loss of neuronal structure or function and deteriorate over time. These pathological processes are related to the production of reactive oxygen species (ROS), which can cause oxidative stress and damage proteins, lipids, and DNA, leading to cell and tissue injuries. The Kelch-like ECH-associated protein 1 (Keap1)/nuclear factor E2-related factor 2 (Nrf2)/antioxidant response element (ARE) signaling pathway is the main mechanism to maintain the redox balance of the body and defend against oxidative stress injury. Nrf2 activates the expression of a series of antioxidant genes related to ARE through the dissociation of Keap1 and nuclear transfer in the cytoplasm to protect the body from oxidative damage. Therefore, the discovery and study of the Keap1/Nrf2/ARE signaling pathway activator is of great significance for the prevention and treatment of neurodegenerative diseases. Because of the remarkable biological activity and slight side effects, natural products are a treasure trove for new drug research and development. Studies have shown that a variety of natural products can activate the Keap1/Nrf2/ARE signaling pathway and play a neuroprotective role. According to the structural characteristics, natural products can be divided into flavonoids, terpenoids, volatile oils, polyphenols, and phenylpropanoids. This study summarized the underlying mechanism of the Keap1/Nrf2/ARE signaling pathway in regulating diseases and reviewed the research progress on natural products based on this signaling pathway in neuroprotection to provide references for the development of clinical drugs for the prevention and treatment of neurodegenerative diseases.
关键词:Kelch-like ECH-associated protein 1 (Keap1)/nuclear factor E2-related factor 2 (Nrf2)/antioxidant response element (ARE);signaling pathway;neurodegenerative disease;oxidative stress;natural products
摘要:Chronic kidney disease (CKD) is a global health problem, and its incidence increases year by year. Studies have revealed that the progression of CKD into end-stage renal disease (ESRD) is related to its inability to effectively eliminate toxins due to decreased renal function. Additionally, intestinal microflora produces a large amount of gut-derived uremic toxins (GDUTs) during protein fermentation. The theory of gut-kidney axis holds that gut and kidney interact with each other, and CKD reduces the ability to remove uremic toxins (UTs), resulting in the accumulation of UTs in the blood. The accumulation of UTs also accelerates the deterioration of renal function, leading to a vicious circle. This paper focused on the sources of indoxyl sulfate and p-cresol sulfate in GDUTs and their mechanisms against CKD (such as inducing renal tubular cell death, oxidative stress and endothelial injury, promoting renal fibrosis and down-regulating renal protective protein) as well as the sources of trimethylamine oxide and its mechanisms against CKD (such as promoting renal fibrosis and inflammation). Moreover, starting from gut-kidney axis, this paper summarized the ways of diet and nutrition regulation, toxin adsorption, enhanced dialysis to increase the clearance, inhibiting the sources of gut-derived toxins and traditional Chinese medicine (TCM) therapy (TCM preparations and TCM active ingredients) to regulate intestinal microecology and reduce the generation of GDUTs, aiming to provide new therapeutic ideas for delaying the progression of CKD.
关键词:chronic kidney disease;gut-kidney axis;gut-derived uremic toxins;research progress;traditional Chinese medicine