中国比较医学杂志2025，Vol.35Issue(7)：55-71,17.DOI:10.3969/j.issn.1671-7856.2025.07.006
肝窦内皮细胞通过间充质转换调控肝纤维化的分子作用机制及药物预测
Molecular mechanism of action and drug prediction of hepatic sinusoidal endothelial cells for regulating hepatic fibrosis via mesenchymal transition
摘要
Abstract
Objective To investigate the molecular mechanism of hepatic fibrosis(HF)regulation by liver sinusoidal endothelial cells(LSECs)via endothelial mesenchymal transition(EnMT),and to predict the natural active components using bioinformatics,machine learning,and cellular experiments.Methods HF and EnMT gene matrices were obtained and the intersecting genes were extracted and enriched using Limma difference analysis and weighted gene co-expression network analysis(WGCNA).The diagnostic genes were screened using a combination of random forest method,support vector machine-recursive feature elimination and network topology analysis,and immune infiltration analysis and prediction of natural active ingredients were performed.The expression of diagnostic genes and the pharmacological effects of the predicted ingredients were finally verified by cellular experiments.Results Differential analysis yielded 3034 EnMT-associated and 4133 HF-associated differential genes.WGCNA analysis yielded 4589 EnMT-associated Hub genes and 763 HF-associated Hub genes.Thirty-eight intersecting genes were extracted,which were mainly enriched in the pathways of basement membrane and extracellular matrix receptor interaction.Four diagnostic genes,CFP,COL4A2,ITGA1,and GRPEL1,were screened by multidimensional analysis.Immune infiltration analysis showed that the diagnostic genes were closely associated with mast cell resting state,memory B cells,and memory CD4+T cells.Reverse transcription-polymerase chain reaction analysis showed significantly increased mRNA expression levels of the four diagnostic genes in the Jagged1-induced model group(P＜0.05).The predicted components,sterol,kaempferol,and quercetin,all had good binding activities with the diagnostic genes.Enzyme-linked immunosorbent assay result confirmed that all three active components significantly reduced the expression of collagen type Ⅳ α2 chain protein in Jagged1-induced LSECs,with quercetin having the most significant effect(P＜0.01).Conclusions This study elucidated the molecular mechanism of hepatic sinusoidal endothelial cells involved in the pathological process of HF through mesenchymal transition.We also propose a diagnostic marker system including CFP,COL4A2,ITGA1,and GRPEL1 as core genes.The result also suggest that natural active ingredients,such as quercetin,may exert anti-HF pharmacological effects by targeting these diagnostic genes.关键词
间充质转换/肝纤维化/机器学习/药物预测Key words
mesenchymal transition/liver fibrosis/machine learning/drug prediction分类
医药卫生引用本文复制引用
蒋蕊竹,郑洋,汪磊,张荣武,王佳慧,廖喜琳,陈琼..肝窦内皮细胞通过间充质转换调控肝纤维化的分子作用机制及药物预测[J].中国比较医学杂志,2025,35(7):55-71,17.基金项目
广西自然科学基金项目(2023GXNSFBA026274,2024GXNSFAA010235) （2023GXNSFBA026274,2024GXNSFAA010235）
广西壮瑶药重点实验室基金资助项目(GXZYYKF2023-05) （GXZYYKF2023-05）
广西中医药大学赛恩斯新医药学院科研项目(2024ZYZ002,2024ZZA003,2024ZZB007,2024ZZB010). （2024ZYZ002,2024ZZA003,2024ZZB007,2024ZZB010）
