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- Abstract：ObjectiveTo explore the effects of Wenyang Jieyu prescription （WJP） on neuroinflammation and synaptic plasticity in the mouse model of depression induced by maternal separation combined with restraint stress.MethodThe mice on postnatal day 0 （PD0） were randomized into a control group and a modeling group. Maternal separation combined with restraint stress was employed to establish the mouse model of depression. After the removal of female mice， the modeled mice were randomized into model， Wenyang prescription （5.85 g·kg-1）， Jieyu prescription （12.03 g·kg-1）， WJP （16.71 g·kg-1）， and fluoxetine （2.6 mg·kg-1） groups on the weaning day （PD21）， with 15 mice in each group. The mice were administrated with corresponding drugs mixed with the diet from PD21 to PD111. The sucrose preference test， open field test， O-maze test， and novel object recognition test were then carried out to evaluate the depression state， memory， and learning ability of the mice. Immunohistochemistry （IHC） was employed to observe the ionized calcium-binding adapter molecule-1 （Iba-1） in hippocampal microglia. High performance liquid chromatography （HPLC） was employed to measure the content of noradrenaline （NE） and epinephrine （E） in the hippocampus. Enzyme-linked immunosorbent assay （ELISA） was employed to determine the content of interleukin （IL）-18 and IL-1β in the hippocampus. Western blot was employed to determine the protein levels of NOD-like receptor protein 3 （NLRP3）， apoptosis-associated speck-like protein containing a CARD （ASC）， cysteine aspartate-specific protease-1 （Caspase-1）， IL-1β， synaptophysin （Syn）， and postsynaptic density 95 （PSD95）.ResultCompared with control group， the model group showed decreased sucrose preference rate， time spent in central zone within 5 min， total movement distance， time spent in the open arm， and cognition index （P<0.05， P<0.01）. The microglia in the model group presented amoeba-like appearance， the Iba1 increased. Moreover， the model group showed decreased content of NE and E （P<0.01）， elevated levels of IL-1β and IL-18 （P<0.01）， down-regulated protein levels of PSD95 and Syn （P<0.05， P<0.01）， and up-regulated protein levels of NLRP3， ASC， Caspase-1， and IL-1β （P<0.05， P<0.01）. Compared with model group， WJP and fluoxetine increased the sucrose preference rate， time spent in central zone within 5 min， total movement distance， time spent in the open arm， and cognition index （P<0.05， P<0.01）. They recovered the microglia and the Iba1 decreased. Moreover， the drugs increased the content of NE and E （P<0.05， P<0.01）， lowered the levels of IL-1β and IL-18 （P<0.01）， up-regulated the protein levels of PSD95 and Syn （P<0.01）， down-regulated the protein levels of NLRP3， ASC， Caspase-1， and IL-1β （P<0.05， P<0.01）.ConclusionWJP can treat the depressive behavior induced by maternal separation combined with restraint stress in mice， with the performance outperforming Wenyang prescription and Jieyu prescription. It may alleviate the neuroinflammation induced by microglia and improve the synaptic plasticity by regulating the NLRP3 pathway and increasing neurotransmitters in the hippocampus.Keywords：Wenyang Jieyu prescription;NOD-like receptor protein 3 （NLRP3）;microglia;neuroinflammation;synaptic plasticity371|157|8
<HTML><H-PDF><L-PDF>Updated：2024-02-04 Modified Liuwei Dihuangtang Combined with Losartan Potassium Regulates ACE1/AngⅡ/AT1R Axis and Intestinal Flora in Rat Model of Diabetic Kidney Disease Enhanced Publication
Abstract：ObjectiveTo explore the mechanism of modified Liuwei Dihuangtang in preventing and treating renal injury in diabetic kidney disease （DKD） via the angiotensin-converting enzyme 1 （ACE1）/angiotensin Ⅱ （AngⅡ）/angiotensin Ⅱ type 1 receptor （AT1R） axis.MethodFifty male SD rats were randomized into a normal group （n=8） and a modeling group （n=42）. The rats in the modeling group were fed with a high-sugar and high-fat diet for 6 weeks and intraperitoneally injected with 35 mg·kg-1 streptozotocin （STZ） to establish the model of DKD. After successful modeling， the rats were randomized into model， traditional Chinese medicine （modified Liuwei Dihuangtang granules 21 g·kg-1）， western medicine （losartan potassium， 33 mg·kg-1）， and integrated Chinese and western medicine （losartan potassium 33 mg·kg-1 combined with modified Liuwei Dihuangtang granules 21 g·kg-1） groups. The levels of fasting blood glucose （FBG）， urinary protein （Up）， blood urea nitrogen （Bun）， and serum creatinine （SCr） were measured in each group after 8 consecutive weeks of drug intervention. Enzyme-linked immunosorbent assay was employed to determine the serum levels of ACE1， AngⅡ， and AT1R. Western blot was employed to measure the protein levels of ACE1， AngⅡ， and AT1R in the renal tissue. The pathological and morphological changes of the renal tissue were observed after hematoxylin-eosin （HE） staining， Masson staining， and periodic acid Schiff 's （PAS） staining. The fecal samples of rats in each group were collected for 16S rDNA high-throughput sequencing.ResultCompared with the normal group， the model group showed elevated levels of Up， FBG， Bun， SCr， ACE1， AngⅡ， and AT1R （P<0.01）， serious lesions in the renal tissue， up-regulated protein levels of ACE1， AngⅡ， and AT1R （P<0.01）， increased Firmicutes/Bacteroidetes （F/B） ratio， decreased relative abundance of Lactobacillus， and increased relative abundance of Moralella and Bifidobacteria. Compared with the model group， drug intervention lowered the levels of Bun， SCr， ACE1， AngⅡ， and AT1R （P<0.01） and alleviated the pathological changes in the renal tissue. Chinese medicine and integrated Chinese and western medicine lowered the levels of Up and FBG （P<0.01）， and western medicine and integrated Chinese and western medicine down-regulated the protein levels of ACE1， AngⅡ， and AT1R. In addition， Chinese medicine down-regulated the protein levels of AngⅡ （P<0.01） as well as ACE1 and AT1R （P<0.05）. Chinese medicine and integrated Chinese and western medicine decreased the F/B ratio， and western medicine and Chinese medicine increased the relative abundance of Blautia. Chinese medicine and integrated Chinese and western medicine increased the relative abundance of Lactobacillus， Ruminococcus undetermined genera， and Bifidobacteria， decreased the relative abundance of Moralella， and increased the Chao 1 and Ace indexes （P<0.05）. Compared with the western medicine group， the integrated Chinese and western medicine group showed lowered levels of Up （P<0.01）， Bun （P<0.05）， and ACE1 and AT1R （P<0.01）， down-regulated protein levels of ACE1， AngⅡ， and AT1R （P<0.05）， alleviated pathological changes in the renal tissue， increased relative abundance of Bifidobacteria， and increased Chao 1 and Ace indexes （P<0.05）.ConclusionModified Liuwei Dihuangtang combined with losartan potassium can mitigate renal fibrosis by regulating the ACE1/AngⅡ/AT1R axis， increasing the relative abundance of Lactobacillus and Bifidobacterium， reducing the relative abundance of Moralella， improving the richness and evenness of intestinal flora， and alleviating pathological damage in the renal tissue.Keywords：angiotensin-converting enzyme 1 （ACE1）;angiotensin Ⅱ （AngⅡ）;angiotensin Ⅱ type 1 receptor （AT1R）;intestinal flora;modified Liuwei Dihuangtang545|187|7<HTML><H-PDF><L-PDF>Updated：2024-01-02- Abstract：Trials within cohorts （TwiCs） are design methods derived from randomized controlled trials （RCTS）. They have been widely used in chronic disease areas such as tumors and cardiovascular diseases. The basis of the TwiCs design is a prospective cohort of specific diseases. When RCTS need to be implemented， some patients meeting the inclusion and exclusion criteria are randomly sampled from the cohort to receive "trial interventions"， while the remaining patients in the cohort who meet the inclusion and exclusion criteria continue to receive conventional treatment as control groups. By comparing the efficacy differences between the intervention measures of the trial group and the control group， the efficacy of intervention measures was evaluated. Within the cohort， the same process could be repeated to carry out multiple RCTS， so as to evaluate different intervention measures or compare the efficacy of different doses or timing of interventions. Compared with classical RCTS， TwiCs make it easier to recruit patients from the cohort and have higher external validity， providing a new research paradigm for improving the efficiency and applicability of RCTS in clinical practice. However， TwiCs may also face the challenge of poor compliance of patients in the cohort. Researchers need to take effective measures to control these patients in the design and operation of TwiCs. This article focused on the methodological key points during the implementation of TwiCs， including multi-stage informed consent （patients are informed of consent at three stages： entering the cohort， entering the trial group， and after the trial）， randomization procedures （only random sampling of patients from the cohort to receive "trial interventions"）， sample size calculation， and statistical analysis methods. The article also compared the differences between TwiCs and traditional RCTS and illustrated TwiCs research design and analysis with examples， so as to provide new research ideas and methods for clinical researchers.Keywords：trials within cohorts;multiple randomized controlled trials within cohort;patient cohort;random sampling;multi-stage informed consent563|234|3<HTML><H-PDF><L-PDF>Updated：2024-02-28
- Abstract：Since the 18th National Congress of the Communist Party of China （CPC）， a continuous stream of scientific and technological innovations has unfolded in the realm of traditional Chinese medicine （TCM）. With the aim of implementing the spirit of the 20th National Congress of the CPC， and the Opinions on Promoting the Inheritance， Innovation and Development of TCM， and to underscore the exemplary role of significant scientific and technological achievements， the China Association of Chinese Medicine， in alignment with relevant requirements and under the guidance of authoritative experts， has organized a comprehensive review of the important scientific and technological achievements in the field of TCM since the 18th National Congress of the CPC. Through rigorous procedures， including collecting and reviewing achievements， writing achievement reports， organizing expert reviews， and seeking public opinions， remarkable research achievements in TCM during 2012—2022 were compiled.Keywords：new era;remarkable research achievements;clinical advantage of traditional Chinese medicine;modernization technology of Chinese medicine511|583|6<HTML><H-PDF><L-PDF>Updated：2024-02-28
- Abstract：Seeds are the source for the production of Chinese medicinal materials. The seed authenticity and quality of directly affect the effectiveness and safety of Chinese medicinal materials. The seed quality is faced with the problems such as mixed sources， existence of adulterants and seeds stocked for years， low maturity， and low purity. To ensure the high-quality and sustainable development of the Chinese medicinal material industry， it is urgent to standardize the seed market and identify and evaluate the quality of the seeds circulating in the market. Seed identification methods include visual inspection， microscopic observation， micro-character identification， chemical fingerprinting， molecular identification， electronic nose， X-ray diffraction， electrochemical fingerprinting， spectral imaging， and artificial intelligence. These methods have different application scopes and unique advantages and disadvantages. According to the different species of Chinese herbal medicines and different requirements of testing sites， suitable methods can be selected to achieve rapid and accurate identification with low costs. In the future， the seed identification methods should be developed based on emerging technologies with interdisciplinary knowledge， and intelligent， nondestructive， and single-grain detection methods are needed for the modern Chinese medicinal material industry. This paper introduces the seed identification technologies currently applied in research and production， compares the principles， applicability， advantages， and disadvantages of different technologies， and provides an outlook on the future development of seed identification technologies， aiming to provide a reference for the identification and quality evaluation of seeds of Chinese medicinal material.Keywords：seeds of Chinese medicinal materials;conventional identification;molecular identification;chemical fingerprinting;electronic nose;spectral imaging;artificial intelligence440|394|1<HTML><H-PDF><L-PDF>Updated：2024-01-15
Analysis of Antidepressant Quality Markers of Bupleuri Radix Before and After Vinegar-processing Based on UPLC-Q-TOF-MS and Network Pharmacology Enhanced Publication
Abstract：ObjectiveTo analyze the antidepressant quality markers（Q-Marker） of Bupleuri Radix（BP） before and after vinegar-processing by ultra-performance liquid chromatography-quadrupole-time-of-flight mass spectrometry（UPLC-Q-TOF-MS）， multivariate statistical analysis and network pharmacology.MethodUPLC-Q-TOF-MS was used to analyze the chemical basis of raw and vinegar-processed products of BP， and principal component analysis（PCA） orthogonal partial least squares-discriminant analysis（OPLS-DA） were used to identify the differential components in BP that changed significantly before and after vinegar-processing， which were regarded as candidate quality markers（Q-Marker）. Then the disease-drug-component-target network related to antidepressant effect of BP was constructed by network pharmacology， and the antidepressant Q-Marker of raw and vinegar-processed products of BP was determined. Rats were randomly divided into blank group， model group， fluoxetine group（2.67 mg·kg-1） and total saponin group（0.72 mg·kg-1）， except the blank group， rats in the other groups were subjected to chronic unpredictable mild stress（CUMS）. Three weeks after the start of modeling， rats in each administration group were given the corresponding dose of drugs once a day for 4 weeks， and rats in the blank and model groups were given normal saline with dose of 10 mL·kg-1. At 1 day before modeling， 21 days and 28 days after administration， body mass weighing， sucrose preference test and open field test were performed on each group . After 28 days of administration， real-time fluorescence quantitative polymerase chain reaction（Real-time PCR） was used to detect the mRNA expression levels of phosphatidylinositol 3-kinase（PI3K）， protein kinase B（Akt）， mammalian target of rapamycin（mTOR）， glycogen synthase kinase-3β（GSK-3β）， forkhead box transcription factor O3a（FoxO3a） and β-catenin in hippocampal tissues of rats in each group， while protein expression levels of PI3K， Akt， mTOR and FoxO3a in hippocampal tissues of rats in each group were detected by Western blot.ResultThere were 19 components in BP showed significant changes before and after vinegar-processing， and 9 components such as saikosaponin A， saikosaponin B1， saikosaponin B2， saikosaponin C and saikosaponin D were identified as potential Q-Marker through S-plot differential marker screening. Combined with the disease-drug-component-target network， saikosaponin A， saikosaponin B1， saikosaponin B2 and saikosaponin D were identified as antidepressant Q-Marker of raw and vinegar-processed products of BP. According to the results of pharmacodynamic tests， after 28 d of administration， compared with the blank group， the body mass， sucrose preference index and open field total score of rats in model group， fluoxetine group and total saponin group decreased significantly（P<0.01）. Compared with the model group， the body mass， sucrose preference index and open field total score in total saponin group increased significantly（P<0.01）. Compared with the blank group， mRNA expression levels of PI3K， Akt， mTOR and β-catenin in hippocampus of rats in the model group decreased significantly（P<0.05）， while mRNA expression levels of GSK-3β and FoxO3a increased significantly（P<0.05）. Compared with the model group， mRNA expression levels of PI3K， Akt， mTOR and β-catenin in hippocampus of rats in the total saponin group were increased significantly（P<0.05）， while mRNA expression levels of GSK-3β and FoxO3a decreased significantly（P<0.05）. Compared with the blank group， the protein expression levels of Akt and mTOR in hippocampus of the model group decreased significantly（P<0.01）， while the protein expression levels of PI3K and FoxO3a increased significantly（P<0.01）. Compared with the model group， the expression level of Akt in hippocampus of the total saponin group increased significantly（P<0.01）， the mTOR expression level was increased but not statistically significant， while the protein expression levels of PI3K and FoxO3a decreased significantly（P<0.01）.ConclusionThe chemical constituents of BP changed greatly after vinegar-processing， and the antidepressant Q-Marker of raw and vinegar-processed products of BP was determined by chemical basis， pharmacodynamics， network pharmacology and signaling pathway， which provided a reference for further research on quality control， pharmacodynamic substance basis and processing mechanism of BP.Keywords：Bupleuri Radix;antidepressant;quality markers（Q-Marker）;ultra-performance liquid chromatography-quadrupole-time-of-flight mass spectrometry（UPLC-Q-TOF-MS）;network pharmacology;Chinese medicine decoction pieces;phosphatidylinositol 3-kinase/protein kinase B（PI3K/Akt） signaling pathway406|148|4<HTML><H-PDF><L-PDF>Updated：2023-12-28- Abstract：ObjectiveTo investigate the effects of Linggui Zhugantang on mitochondrial fission and fusion and silencing information regulator 3（Sirt3）/adenosine monophosphate dependent protein kinase （AMPK） signaling pathway in chronic heart failure （CHF） rats after myocardial infarction （MI）.MethodSD rats randomly divide into sham operation group （normal saline ，thread only without ligature）， model group （normal saline， ligation of the left anterior descending coronary artery proximal to the heart）， Linggui Zhugantang group （4.8 g·kg-1） and Captopril group （0.002 57 g·kg-1）， with 10 rats in each group. Administere drug continuously for 28 days. Echocardiography detected cardiac function parameters. Hematoxylin eosin （HE） staining observed the pathological changes of the heart. Immunofluorescence detected the levels of reactive oxygen species （ROS）. JC-1 detect mitochondrial membrane potential. Colorimetry measure adenosine triphosphate （ATP）， superoxide dismutase （SOD）， malondialdehyde （MDA）， mitochondrial respiratory chain complex activity （Ⅰ-Ⅳ）. TdT-mediated dUTP nick end labeling （TUNEL） staining detected the apoptosis rate of myocardial tissue. Western blot detected protein expression levels of Sirt3， phosphorylated AMPK （p-AMPK）， phosphorylated dynamic-related protein 1（p-Drp1）， mitochondrial fission protein 1（Fis1）， mitochondrial fission factor （MFF）， optic atrophy protein 1（OPA1）.ResultCompared to the sham group， the left ventricular end diastolic diameter （LVIDd） and left ventricular end systolic diameter （LVIDs） were significantly increased in model group （P<0.01）， while the left ventricular short axis shortening rate （LVFS） and left ventricular ejection fraction （LVEF） were significantly decreased （P<0.01）. There were inflammatory cell infiltration and obvious pathological injury in myocardial tissue. ROS， MDA levels and myocardial cell apoptosis rate were significantly increased （P<0.01）， SOD level， ATP content， and membrane potential were significantly decreased （P<0.01）. The activity of mitochondrial respiratory chain complexes （Ⅰ-Ⅳ） was significantly decreased （P<0.01）. Levels of p-Drp1， Fis1， MFF proteins were significantly up-regulated （P<0.01）， while Sirt3， p-AMPK， OPA1 proteins level were significantly down-regulated （P<0.01）. Compared with model group， LVIDd and LVIDs were significantly decreased （P<0.01）， LVEF and LVFS were significantly increased （P<0.01）. Inflammatory cell infiltration and pathological damage of myocardial tissue were significantly relieved. ROS， MDA levels and myocardial cell apoptosis rate were significantly decreased in Linggui Zhugantang group and Captopril group （P<0.01）， SOD level， ATP content， and membrane potential significantly increased （P<0.01）. The activity of mitochondrial respiratory chain complexes （Ⅰ-Ⅳ） increased significantly （P<0.01），and p-Drp1， Fis1， MFF protein levels were significantly down-regulated （P<0.01）， Sirt3， p-AMPK， OPA1 protein were significantly up-regulated （P<0.01）.ConclusionLinggui Zhugantang can alleviate oxidative stress and apoptosis damage of myocardial cells， maintain mitochondrial function stability， and its effect may be related to mitochondrial mitosis fusion and Sirt3/AMPK signaling pathway.Keywords：Linggui Zhugantang;chronic heart failure;oxidative stress;apoptosis;mitochondrial fission-fusion;silencing information regulator 3（Sirt3）/adenosine monophosphate dependent protein kinase （AMPK） signaling pathway444|415|13<HTML><H-PDF><L-PDF>Updated：2023-12-28
Identification of Dalbergia odorifera and Its Counterfeits by HS-GC-MS Enhanced Publication
Abstract：ObjectiveTo screen the differential markers by analyzing volatile components in Dalbergia odorifera and its counterfeits， in order to provide reference for authentication of D. odorifera.MethodThe volatile components in D. odorifera and its counterfeits were detected by headspace gas chromatography-mass spectrometry（HS-GC-MS）， and the GC conditions were heated by procedure（the initial temperature of the column was 50 ℃， the retention time was 1 min， and then the temperature was raised to 300 ℃ at 10 ℃ for 10 min）， the carrier gas was helium， and the flow rate was 1.0 mL·min-1， the split ratio was 10∶1， and the injection volume was 1 mL. The MS conditions used electron bombardment ionization（EI） with the scanning range of m/z 35-550. The compound species were identified by database matching， the relative content of each component was calculated by the peak area normalization method， and principal component analysis（PCA）， orthogonal partial least squares-discrimination analysis（OPLS-DA） and cluster analysis were performed on the detection results by SIMCA 14.1 software， and the differential components of D. odorifera and its counterfeits were screened out according to the variable importance in the projection（VIP） value>2 and P<0.05.ResultA total of 26， 17， 8， 22， 24 and 7 volatile components were identified from D. odorifera， D. bariensis， D. latifolia， D. benthamii， D. pinnata and D. cochinchinensis， respectively. Among them， there were 11 unique volatile components of D. odorifera， 6 unique volatile components of D. bariensis， 3 unique volatile components of D. latifolia， 6 unique volatile components of D. benthamii， 8 unique volatile components of D. pinnata， 4 unique volatile components of D. cochinchinensis. The PCA results showed that， except for D. latifolia and D. cochinchinensis， which could not be clearly distinguished， D. odorifera and other counterfeits could be distributed in a certain area， respectively. The OPLS-DA results showed that D. odorifera and its five counterfeits were clustered into one group each， indicating significant differences in volatile components between D. odorifera and its counterfeits. Finally， a total of 31 differential markers of volatile components between D. odoriferae and its counterfeits were screened.ConclusionHS-GC-MS combined with SIMCA 14.1 software can systematically elucidate the volatile differential components between D. odorifera and its counterfeits， which is suitable for rapid identification of them.Keywords：Dalbergia odorifera ;authentication;headspace gas chromatography-mass spectrometry（HS-GC-MS）;volatile components;principal component analysis（PCA）;orthogonal partial least squares-discriminant analysis（OPLS-DA）275|113|4<HTML><H-PDF><L-PDF>Updated：2023-12-19- Abstract：Coronary microvascular dysfunction （CMD） is one of the important causes of myocardial ischemia and non-obstructive coronary artery ischemic symptoms. However， effective diagnostic methods and targeted treatment strategies for CMD are currently lacking. According to traditional Chinese medicine （TCM）， the comorbidity theory of "blood-vessel-cardiac collaterals" plays a central role throughout the entire development process of CMD. It suggests that in the clinical diagnosis and treatment of CMD， the treatment of blood， vessels， and cardiac collaterals should not be neglected. In light of this， insect medicines， known for their efficacy in promoting blood circulation， resolving stasis， and alleviating spasms， hold promise as a potential treatment for CMD. However， there is currently no research or summary on the use of insect medicines for the treatment of CMD. Therefore， this article took the comorbidity theory of "blood-vessel-cardiac collaterals" as the starting point and divided the pathogenesis of CMD into five evolution stages： Beginning in the blood （changes in blood components and hemorheology）， progressing in the vessels （atheromatous plaque formation and unstable plaques）， occurring in the cardiac collaterals （microvascular endothelial damage and microvascular constriction and spasms）， ending in the cardiac collaterals （microvascular remodeling）， and resulting in energy metabolism disorders throughout the process， so as to explore the pathogenesis and evolution of CMD. In addition， based on the modern pharmacological research on insect medicines， this article discussed the clinical application of insect medicines in the treatment of CMD from four aspects： Promoting blood circulation and removing blood stasis to relieve vessels' obstruction， relieving spasms to alleviate pain， combating poison with poison to disperse stagnation， and tonifying cardiac collaterals to nourish the heart， which aims to provide a theoretical basis for the use of TCM in treating CMD， broaden the scope of medication， and improve clinical efficacy.Keywords：blood vessels;cardiac collaterals;coronary microvascular dysfunction;hemorheology;energy metabolism;insect medicine335|384|5<HTML><H-PDF><L-PDF>Updated：2024-04-03
- Abstract：At present， there is no consensus on the diagnosis， treatment， and management of pulmonary nodules with integrated traditional Chinese and Western Medicine in China. To establish the clinical management strategy of pulmonary nodules with integrated medicine， a consensus was formed after full discussion by the experts from the Cancer Committee of Chinese Association of Integrative Medicine and the Cancer Committee of Beijing Association of Chinese Medicine according to the guidelines for pulmonary nodules issued in recent years and the clinical practice of multiple hospitals in the treatment of cancers with integrated Chinese and Western medicine. This consensus involves the existing clinical management guidelines of pulmonary nodules and the intervention methods of traditional Chinese medicine （TCM）. Considering the therapeutic positioning and value of TCM， this consensus standardizes the whole-process management of pulmonary nodules with integrated traditional Chinese and Western medicine， which will help more patients.Keywords：pulmonary nodules;integrated traditional Chinese and western medicine;whole-process management;expert consensus1301|2092|4<HTML><H-PDF><L-PDF>Updated：2024-04-03
