1.High-altitude hypoxia inhibits PPAR pathway induced ferroptosis in spleen of mice
Jiayang WANG ; Ying HU ; Yuzhen XU ; Qifu LONG ; Chaoqun TANG ; Sheng YONG
Chinese Journal of Immunology 2025;41(2):263-270
Objective:To explore molecular mechanism of high-altitude hypoxia regulates PPAR signaling pathway induced ferroptosis in spleen.Methods:Hypoxia animal model was constructed,target genes were screened and predicted by combination of transcriptomics and protein omics.Key genes in PPAR and ferroptosis pathways under hypoxia exposure were explored by GO and KEGG enrichment analysis and verified by RT-qPCR and Western blot.Results:Combination of transcriptomics and protein omics showed that 95 predicted target genes(protein)showed significantly differential expression under hypoxic exposure.GO annotation analysis and KEGG enrichment analysis showed that differential genes were mainly significantly enriched in PPAR and ferroptosis signaling pathways.A negative correlation was found between PPAR and ferroptosis signaling pathways,and GSEA showed that differential gene sets of PPAR and ferroptosis signaling pathways exhibited opposite expression trend in high-altitude hypoxia group.Validation of key genes PPARA,RXRB,APOA1 and SCD-1 in PPAR signaling pathway revealed that both mRNA and protein expres-sions were down-regulated under hypoxic exposure.Subsequently,differential expression was observed in mRNA and protein expres-sions of GPX4 in endogenous pathway and SLC7A11,TRP53 and TFRC in exogenous pathway in ferroptosis signaling pathway.Corre-lations between four key genes for ferroptosis and differential inflammation-associated genes(DE-IRGs)were positively or negatively.IL-1β,IL-6,IL-12,IL-18,IFN-γ and TNF-α expressions in spleen tissue were up-regulated under hypoxic exposure.Conclusion:High-altitude hypoxia exposure further induces ferroptosis through PPAR signaling pathway-mediated lipid metabolism disorders,and accompanied by occurrence of inflammatory response,which causes damage of spleen tissue.
2.Clinical and genetic analysis of a child with intellectual developmental disorder and seizures associated with variant of AP2M1 gene.
Manman CHU ; Mengyue WANG ; Jiayang XIE ; Xiaoli ZHANG ; Dan XU ; Xiaoli LI ; Junling WANG ; Jialin LI ; Yichao MA ; Tianming JIA
Chinese Journal of Medical Genetics 2025;42(10):1205-1211
OBJECTIVE:
To explore the clinical and genetic characteristics of a child with intellectual development disorder and seizures due to a variant of AP2M1 gene.
METHODS:
Clinical data of a child with intellectual development disorder and epilepsy who was admitted to the Department of Pediatric Neurology of the Third Affiliated Hospital of Zhengzhou University in January 2021 were retrospectively analyzed. Peripheral blood samples of the child and his parents were collected for whole exome sequencing. Candidate variant was verified by Sanger sequencing and pathogenicity analysis. The three-dimensional structure of the AP2M1 protein was visualized using Chimera v1.10.1 software. Pathogenicity of candidate variant was classified according to the Standards and Guidelines for the Interpretation of Sequence Variants from the American College of Medical Genetics and Genomics American College of Medical Genetics (ACMG). With "AP2M1 gene" "epilepsy" "intellectual disability" as the keywords, relevant cases were searched from CNKI, Wanfang Data knowledge service platform and PubMed databases with the search time spanning from the establishment of the database to September 2024. This study was approved by the Medical Ethics Committee of the Third Affiliated Hospital of Zhengzhou University (Ethics No.: 2020-57).
RESULTS:
The child was a 8-years-and-6-months-old boy, who could raise his head at 3 months and sit alone at 8 months old. He could not walk alone at 1 year old and underwent 2 months' rehabilitation treatment, and could walk alone and call his parents at 1-and-a-half-years-old. At 4-years-and-10-months-old, he started to have frequent seizures, manifesting as low level of consciousness, body shaking, accompanied by blinking, lasting about a few seconds several times a day and could be relieved. With the treatment of sodium valproate combined with lamotrigine, the convulsions were controlled, but his movement and cognition were lagged behind. DNA sequencing revealed that he has harbored a novel variant of the AP2M1 gene (NM_004068.3) c.508C>T (p.Arg170Trp). Sanger sequencing confirmed that both of his parents were of the wild-type. According to the guidelines from the American College for Medical Genetics and Genomics (ACMG), the variant was rated as pathogenic (PS2+PS4+PM1+PM2+PP2+PP3). The difference between the wild-type and mutant AP2M1 proteins can be clearly viewed through its three-dimensional structure. Two previous reports have included 5 cases due to the same variant. Common manifestations have included seizures (100%, 5/5), motor retardation (100%, 5/5), intellectual impairment (100%, 5/5), autism spectrum disorder (60%, 3/5), ataxia (100%, 5/5), and special facial features (20%, 1/5).
CONCLUSION
The c.508C>T (p.Arg170Trp) variant of the AP2M1 gene may underlie the intellectual retardation and seizure in this child.
Humans
;
Male
;
Child
;
Intellectual Disability/genetics*
;
Seizures/genetics*
;
Exome Sequencing
;
Mutation
3.Construction of a combined disease-syndrome animal model of dilated cardiomyopathy with heart failure toxin syndrome and study on potential biomarkers
Feng JIANG ; Jiayang TANG ; Xiangyi QIAN ; Hai PAN ; Aolong HE ; Xiaoqi WEI ; Jinling XIAO ; Wei WANG ; Shuzhen GUO
Journal of Beijing University of Traditional Chinese Medicine 2025;48(5):613-624
Objective To construct an animal model of dilated cardiomyopathy(DCM)with heart failure toxin syndrome that conforms to the characteristics of traditional Chinese medicine(TCM)syndrome and identify potential biomarkers or intervention targets for DCM with heart failure toxin syndrome.Methods Fifteen male SD rats were divided into a blank control,doxorubicin,or DCM with heart failure toxin syndrome group using a random number table method,with five rats per group.The doxorubicin group received intraperitoneal injection of doxorubicin at a dose of 1.25 mg/kg,administered on the first and fourth days of each week,along with a standard diet.The DCM with heart failure toxin syndrome group,in addition to the doxorubicin treatment,was given 42%white liquor(10 mL/kg)via gavage every other day,along with a 45%high-fat feed and 10%fructose water.The blank control group received intraperitoneal injection of an equivalent volume of phosphate-buffered saline at the same time points as the doxorubicin group,along with a standard diet.The model was established for 10 weeks.At the fourth and tenth weeks of modeling,echocardiography was performed to measure left ventricular ejection fraction(LVEF),fractional shortening(FS),systolic left ventricular posterior wall thickness(LVPWs),diastolic left ventricular posterior wall thickness,systolic left ventricular internal diameter(LVIDs),and diastolic left ventricular internal diameter(LVIDd);macroscopic changes in fur color of the rats were assessed using the red-green-blue colorimetric method.After modeling,the open field test was conducted to evaluate the exercise tolerance of the rats,and the grip strength test was performed to assess changes in forelimb grip strength.Hematoxylin-eosin,Masson,and wheat germ agglutinin staining were used to evaluate pathological changes in cardiac tissue.Bulk RNA sequencing analysis was performed to identify differentially expressed genes(DEGs)in the hearts of rats between the blank control and the DCM with heart failure toxin syndrome groups.Using DCM,the Blue value of rat fur color,and forelimb grip strength as phenotypic traits,weighted gene co-expression network analysis(WGCNA)was performed to screen for characteristic module gene sets(MEs)associated with DCM with heart failure toxin syndrome.Overlapping analysis was performed on DEGs,immune-related gene sets,and MEs,and the intersecting genes were identified as potential biomarkers or intervention targets for DCM with heart failure toxin syndrome.The sensitivity and specificity of these targets were evaluated using receiver operating characteristic(ROC)curve analysis.Results Compared with the blank control group,at the tenth week of modeling,the LVEF,FS,and LVPWs of rats in the doxorubicin group and the DCM with heart failure toxin syndrome group decreased,whereas LVIDs and LVIDd increased,and the movement distance of the open field test and forelimb grip strength were reduced(P<0.05).At the 10th week of modeling,the Blue value of fur color in the DCM with heart failure toxin syndrome group was significantly lower than that of the blank control and doxorubicin groups(P<0.05).Compared with the blank control group,rats in the doxorubicin and DCM with heart failure toxin syndrome groups exhibited significant cardiac dilation and increased immune cell infiltration in cardiac tissue,accompanied by collagen deposition and cardiomyocyte hypertrophy.Bulk RNA sequencing identified 2,003 DEGs,including 1,082 downregulated genes and 921 upregulated genes.WGCNA results revealed that the MEturquoise module had the strongest positive correlation with DCM and the strongest negative correlation with the Blue value and forelimb grip strength.The overlapping analysis identified four intersecting genes:bone morphogenetic protein 6(Bmp6),serine-threonine-protein kinase 1(Pak1),proto-oncogene JunD(JunD),and S100 calcium-binding protein A3(S100A3).ROC curve analysis demonstrated that these four genes exhibited high sensitivity and specificity for DCM with heart failure toxin syndrome.Conclusion The rat model constructed by intraperitoneal injection of doxorubicin combined with a high-fat feed,fructose water,and white liquor gavage closely aligns with the characteristics of the DCM with heart failure toxin syndrome.Bmp6,JunD,Pak1,and S100A3 are potential biomarkers or therapeutic targets for DCM heart failure toxin syndrome.
4.Feasibility of small incision bile duct stone removal in primary hospitals in extremely high-altitude areas
Yi XIE ; Feifei YU ; Senlin CHEN ; Guangyong WANG ; Duoji JIAYANG ; Zhe LI
Journal of Navy Medicine 2025;46(9):887-892
Objective To explore the feasibility and precautions of small incision bile duct stone removal in primary hospitals in extremely high-altitude areas.Methods The experience of small incision biliary exploration and cholecystectomy under general anesthesia at primary hospitals during the author's medical aid to Xizang in the high-altitude areas of northern Xizang was summarized(from June 2022 to December 2022).Results A total of 11 cases of small incision common bile duct stone removal were completed.Abdominal drainage was performed in all patients,including 6 cases with T-shaped tubes and 5 cases with primary closure of the common bile duct.The patients recovered well after surgery and was discharged.Conclusion In extreme high-altitude areas,under the guidance of medical aid doctors,it is completely feasible for primary hospitals to carry out small incision bile duct stone removal by selecting appropriate cases,training surgical skills,and performing detailed preoperative preparation.
5.Incidence and influencing factors of diarrhea after minilaparotomy cholecystectomy among residents living in extremely high-altitude areas
Feifei YU ; Yi XIE ; Zhe LI ; Duoji JIAYANG ; Guangyong WANG
Journal of Navy Medicine 2025;46(9):893-898
Objective To investigate the diarrhea after minilaparotomy cholecystectomy among Tibetan residents in extremely high-altitude areas.Methods A retrospective analysis was conducted on the clinical data of 71 patients who underwent small incision cholecystectomy at the County People's Hospital during the period of medical aid(from June 2022 to December 2022).There were 38 patients(53.52%)with postoperative diarrhea and 33 patients(46.48%)without diarrhea.Results The duration of diarrhea was less than 1 week in 8 patients,ranged from 1 week to 3 months in 21 patients,and lasted for more than 3 months in 9 patients.There were significant differences between the two groups in terms of age(P<0.000 1),body mass index(P<0.000 1),proportions of patients with liver cirrhosis(P=0.012 9),history of acute cholecystitis(P=0.002 1),history of coronary heart disease(P=0.040 7),and presence of tenderness in the right upper abdomen during admission(P<0.000 1),white blood cell count(P=0.007 0),alanine aminotransferase(P=0.047 3),gallbladder diameter(P=0.003 4),gallbladder wall thickness(P=0.000 4),surgical duration(P=0.004 7),postoperative antibiotic use(P=0.000 6),postoperative hospital stay(P=0.000 2),and immediate resumption of butter tea(P<0.000 1).Age and immediate resumption of butter tea after surgery were independent risk factors for diarrhea after minilaparotomy cholecystectomy.Conclusion There is a higher incidence of diarrhea following small incision cholecystectomy in the residents of extremely high-altitude areas,which is associated with various factors such as the environment and lifestyle of the region.It is essential to enhance health education on gallstone and cultivate good personal health habits.Clinicians should conduct a detailed preoperative assessment.Patients should avoid drinking butter tea during perioperative period to avoid postoperative diarrhea.
6.Progress in clinical research of transjugular intrahepatic portosystemic shunt for the treatment of portal cavernous transformation
Jiayang ZHU ; Bing ZHOU ; Xuanyi CHEN ; Junkang WANG ; Bo LI ; Rongqing QIN ; Yubo ZHANG ; Ruochen HU
Journal of Interventional Radiology 2025;34(8):900-904
Clinically,the incidence of portal vein thrombosis(PVT)in patients with cirrhosis can be up to 10%-23%.When PVT is not treated promptly,it may develop to cavernous transformation of the portal vein(CTPV).CTPV can aggravate portal hypertension,accelerate the progression of esophagogastric varices bleeding,refractory ascites,refractory peritonitis,biliary tract diseases,and hepatic insufficiency.At present,noninvasive imaging techniques such as portal vein reconstruction,enhanced CT and ultrasound are mostly used to make the diagnosis and evaluation of CTPV.It is rather difficult to perform portosystemic shunt surgery in patients with CTPV complicated by portal hypertension,which was once regarded as a contraindication for interventional portosystemic shunt procedures.With the improvement of related technologies and surgical instruments,the transjugular intrahepatic portosystemic shunt(TIPS)has become an important treatment for CTPV.This paper aims to make a comprehensive review about the relevant researches concerning the portosystemic shunt surgery in patients with CTPV so as to clarify the importance of TIPS in the treatment of CTPV.
7.Enhancement of quality of Glycyrrhiza uralensis Fisch. through chitosan induction for use as medicine and food: Insights from metabolomics and proteomics
Yingquan Kang ; Guangxi Ren ; Li Wang ; Dan Jiang ; Qingyi Xu ; Jiayang Zhang ; Zhenfang Bai ; Mingqing Chang ; Chunsheng Lu
Journal of Traditional Chinese Medical Sciences 2025;2025(2):175-190
ObjectiveTo explore the impact of exogenous chitosan on the growth and metabolism of Glycyrrhiza uralensis Fisch. (G. uralensis) and to improve the quality of cultivated G. uralensis for both medicine and food and aid in the increase in the content of effective components in G. uralensis.MethodsIn this study, whole G. uralensis plants were treated with exogenous chitosan, and comprehensive analyses of secondary metabolites and proteins were conducted using liquid chromatography with tandem mass spectrometry and isobaric tag for relative and absolute quantitation, respectively. Effects of chitosan induction on endogenous hormones of G. uralensis were analyzed using an enzyme-linked immunosorbent assay. Gene ontology function annotation and Kyoto Encyclopedia of Genes and Genomes pathway annotation were conducted to study the effect of chitosan induction on the proteome.ResultsChitosan induction significantly increased the levels of flavonoids in G. uralensis; however, the variation in triterpenoids was not substantial. Biological processes, including photosynthesis, secondary metabolism, and abiotic stress responses, were significantly enriched. Additionally, the photosynthetic pathway, photosynthesis-antenna protein pathway, and plant hormone signal transduction pathway were significantly enriched. In the flavonoid biosynthesis pathway, the upstream-related enzyme phenylalanine ammonia-lyase (PAL) and the downstream-related enzymes chalcone synthase (CHS), polyketide reductase (PKR), chalcone isomerase (CHI), and vestitone reductase (VR) were significantly upregulated.ConclusionsOur findings suggest that chitosan induction may promote the tricarboxylic acid (TCA) cycle, and the TCA cycle enhancement significantly upregulated PAL, CHS, PKR, CHI, and VR, the five key enzymes involved in flavonoid synthesis of G. uralensis, indicating that chitosan induction activated the entire metabolic pathway associated with flavonoids in G. uralensis. Our findings provide a reference for improving the quality of cultivated G. uralensis from the perspective of pharmacodynamic components.
8.The mechanism of polygonatum polysaccharide inducing the differ-entiation of tendon stem cells into chondrocytes through TGF-β3/Smad2 signaling pathway
Junjie CHEN ; Dujiang YANG ; Jiayang HE ; Xintong YUAN ; Yingqi LIU ; Jiexiang YANG ; Guoyou WANG ; Teng PENG ; Huarui SHEN
Chinese Journal of Clinical Pharmacology and Therapeutics 2025;30(10):1374-1382
ABSTRCT AIM:To verify the effect of polygona-tum polysaccharide(PSP)combined with TGF-β3 in inducing the differentiation of rat tendon-derived stem cells(TDSCs)into chondrocytes by activating the TGF-β3/Smad2 pathway.METHODS:TDSCs were extracted from rat tail tendons using enzyme digestion,purified,passaged,and identified via flow cytometry.TDSCs were treated with different concentrations of PSP,and the optimal growth con-centration was determined using the CCK-8 assay.TDSCs were divided into four groups:PSP,TGF-β3,PSP+TGF-β3,and Control for differentiation induc-tion.Chondrogenic differentiation was evaluated using morphological observations,toluidine blue staining,immunofluorescence staining,and West-ern blot analysis to detect COLⅡ,SOX9,and AGG.Western blot was also used to measure the expres-sion levels of Smad2 and p-Smad2 to evaluate the activation of the TGF-β3/Smad2 pathway after chondrogenic induction.RESULTS:Flow cytometry analysis showed that TDSCs highly expressed CD90 and CD29,while CD11b and CD45 expression was low.The CCK-8 assay indicated that 5 μmol/L PSP was the optimal intervention dose.Toluidine blue staining revealed that the blue staining area in the PSP,PSP+TGF-β3,and TGF-β3 groups was larger compared to the Control group.Immunofluores-cence analysis demonstrated that COLⅡ expression was significantly increased in the PSP,TGF-β3,and PSP+TGF-β3 groups,with the highest expression in the PSP+TGF-β3 group(P<0.05).Western blot analy-sis showed that the levels of p-Smad2/Smad2,COLⅡ,SOX9,and AGG were elevated in the PSP,TGF-β3,and PSP+TGF-β3 groups,with the highest ex-pression in the PSP+TGF-β3 group(P<0.05).Compared to the Control group,the TGF-β3 and PSP groups also showed significantly increased expression(P<0.05).CONCLUSION:PSP promotes the proliferation and chondrogenic differentiation of TDSCs,possibly by activating the TGF-β3/Smad2 pathway.
9.Analysis of the application of single-port laparoscopic appendectomy without holder assistance in patients with complicated appendicitis
Haorun LV ; Yuxi LI ; Peng GUO ; Shunlei WANG ; Chuanlin WANG ; Limin GUO ; Lei GUO ; Jiayang LIU ; Weiqi WANG ; Xiaoyu FAN ; Zhiyong LI
Chinese Journal of Gastrointestinal Surgery 2025;28(3):314-319
Objective:The aim of this study was to explore the risk factors that affect implementation of the innovative technique of single-incision laparoscopic appendectomy (solo-SLA) without assistance in patients with complicated appendicitis, the goal being improving surgical success rates and reducing the incidence of complications.Methods:This was an observational study. Indications for solo-SLA surgery were as follows: (1) computed tomography or ultrasound findings suggestive of acute appendicitis, accompanied by a high white blood cell count and C-reactive protein concentration; (2) disease course exceeding 72 hours, standard anti-infection treatment ineffective, inflammatory reaction not localized, surgery mainly aimed at abscess drainage, and the appendix removed if indicated intraoperatively; (3) acute onset stabilized for more than 3 months after conservative treatment; and (4) recurrent chronic appendicitis. Relative contraindications comprised: (1) cardiopulmonary insufficiency, extremely high risk for general anesthesia for laparoscopic surgery; (2) severe coagulation dysfunction; and (3) imaging findings suggestive of formation of a peri-appendiceal abscess, stable after anti-infection treatment, and a tendency for the inflammatory reaction to localize. We retrospectively collected clinical data of 106 patients with complicated appendicitis who had undergone solo-SLA in the Department of Emergency Surgery, Peking University People's Hospital from February to October 2023. Preoperative computed tomography showed appendiceal fecaliths, blurring of the tissue surrounding fat, intra- and extra-luminal gas and exudate, peri-appendiceal abscess, ascites, and intestinal obstruction by appendicitis. The study cohort comprised 53 male and 53 female patients aged (41.4±17.4) years. The median body mass index was (24.2±3.6) kg/m 2 and median preoperative body temperature (37.3±0.9)℃ Appendicitis had been present for >3 days in 21 of the patients (19.8%) and the maximum diameter of the appendix was (12.4±3.8) mm. The efficacy of the surgery was assessed and logistic regression analysis used to explore the factors affecting the duration of the procedure. The relationship between the maximum diameter of the appendix and duration of surgery was non-linear and was explored using a logistic regression model with restricted cubic spline (RCS). Results:Only one patient required conversion to open surgery; all the other patients successfully completed solo-SLA with a median intraoperative blood loss of 10 (1-100) ml and a surgical time of (65.4±31.7) minutes. Pain scores on postoperative Day 1 and 7 were (3.4±3.2) points and (1.5±1.7) points, respectively. There were no significant postoperative complications .The postoperative hospital stay was (3.5±1.5) days and the interval to resuming normal activities 14 (2-40) days. According to univariate and multivariate analyses, disease course >3 days (OR=5.19, 95%CI: 1.59-16.98, P=0.006) and C-reactive protein >10 mg/L (OR=1.01,95%CI: 1.00-1.02, P=0.003) were independent risk factors for surgical duration >60 minutes, whereas the maximum diameter of the appendix was not independently associated with duration of surgery (OR=1.10, 95%CI: 0.97-1.25, P=0.119). RCS analysis results showed a "U-shaped" association between the maximum diameter of the appendix and duration of surgery, the inflection point of the RCS curve being at a diameter of 10 mm. When the maximum diameter of the appendix was <10 mm, increases in diameter were not associated with longer duration of surgery (OR=1.15,95%CI: 0.55-2.58, P=0.710); whereas when the diameter was ≥10 mm, the maximum diameter of the appendix was associated with increased duration of surgery (OR=1.20, 95% CI: 1.04-1.42, P=0.022). Conclusion:The solo-SLA procedure can be performed to treat complicated appendicitis. A disease course >3 days, C-reactive protein concentration >10 mg/L, and maximum diameter of the appendix ≥10 mm are all associated with greater difficulty of solo-SLA surgery.
10.The mechanism of polygonatum polysaccharide inducing the differ-entiation of tendon stem cells into chondrocytes through TGF-β3/Smad2 signaling pathway
Junjie CHEN ; Dujiang YANG ; Jiayang HE ; Xintong YUAN ; Yingqi LIU ; Jiexiang YANG ; Guoyou WANG ; Teng PENG ; Huarui SHEN
Chinese Journal of Clinical Pharmacology and Therapeutics 2025;30(10):1374-1382
ABSTRCT AIM:To verify the effect of polygona-tum polysaccharide(PSP)combined with TGF-β3 in inducing the differentiation of rat tendon-derived stem cells(TDSCs)into chondrocytes by activating the TGF-β3/Smad2 pathway.METHODS:TDSCs were extracted from rat tail tendons using enzyme digestion,purified,passaged,and identified via flow cytometry.TDSCs were treated with different concentrations of PSP,and the optimal growth con-centration was determined using the CCK-8 assay.TDSCs were divided into four groups:PSP,TGF-β3,PSP+TGF-β3,and Control for differentiation induc-tion.Chondrogenic differentiation was evaluated using morphological observations,toluidine blue staining,immunofluorescence staining,and West-ern blot analysis to detect COLⅡ,SOX9,and AGG.Western blot was also used to measure the expres-sion levels of Smad2 and p-Smad2 to evaluate the activation of the TGF-β3/Smad2 pathway after chondrogenic induction.RESULTS:Flow cytometry analysis showed that TDSCs highly expressed CD90 and CD29,while CD11b and CD45 expression was low.The CCK-8 assay indicated that 5 μmol/L PSP was the optimal intervention dose.Toluidine blue staining revealed that the blue staining area in the PSP,PSP+TGF-β3,and TGF-β3 groups was larger compared to the Control group.Immunofluores-cence analysis demonstrated that COLⅡ expression was significantly increased in the PSP,TGF-β3,and PSP+TGF-β3 groups,with the highest expression in the PSP+TGF-β3 group(P<0.05).Western blot analy-sis showed that the levels of p-Smad2/Smad2,COLⅡ,SOX9,and AGG were elevated in the PSP,TGF-β3,and PSP+TGF-β3 groups,with the highest ex-pression in the PSP+TGF-β3 group(P<0.05).Compared to the Control group,the TGF-β3 and PSP groups also showed significantly increased expression(P<0.05).CONCLUSION:PSP promotes the proliferation and chondrogenic differentiation of TDSCs,possibly by activating the TGF-β3/Smad2 pathway.


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