Epithelial-mesenchymal transition(EMT),mesenchymal-epithelial transition(MET),and even the sequential EMT-MET can be observed during multiple cell fate conversions including cancer progression and embryonic developmen...Epithelial-mesenchymal transition(EMT),mesenchymal-epithelial transition(MET),and even the sequential EMT-MET can be observed during multiple cell fate conversions including cancer progression and embryonic development.In the current review,we first focused on the existence and beneficial roles of the sequential EMT-MET during three typical cell fate conversions,differentiation from pluripotent stem cells(PSCs)to neurons,de-differentiation from mouse embryonic fibroblasts(MEFs)to PSCs,and trans-differentiation from MEFs to neurons.We tried to provide some preliminary hypotheses to connect EMT-MET and cell fate conversions,like the possible contributions of the intermediate mesenchymal state to iPSCs generation and neurontrans-differentiation.The intermediate mesenchymal state during sequential EMT-MET was further discussed by exploring the conserved signatures on gene expression during a variety of EMT.Discussion on the interaction among vitamin C,DNA methylation,and EMT/MET was also provided.展开更多
糖尿病肾病是终末期肾病的首要原因,足细胞上皮间质转分化(epithelial to mesenchymal transition,EMT)与糖尿病肾病肾功能减退、蛋白尿的发生及进展有重要关系。中医药治疗糖尿病肾病在临床中疗效确切,但糖尿病肾病发病机制复杂,其分...糖尿病肾病是终末期肾病的首要原因,足细胞上皮间质转分化(epithelial to mesenchymal transition,EMT)与糖尿病肾病肾功能减退、蛋白尿的发生及进展有重要关系。中医药治疗糖尿病肾病在临床中疗效确切,但糖尿病肾病发病机制复杂,其分子机制尚未完全阐明。足细胞EMT和多条信号通路有关,如转化生长因子-β、Wnt/β-catenin、整合素连接激酶、Notch、丝裂原活化蛋白激酶、核因子-κB、磷脂酰肌醇-3-激酶/蛋白激酶B信号通路,其中转化生长因子-β作为必需细胞因子可激活其他信号通路。信号通路将受到刺激后产生的细胞外信号分子传递进细胞核内与靶基因结合,促进足细胞EMT。中药单体、单味中药如黄芪甲苷、当归多糖、雷公藤甲素、黄芩苷、丹参和生地黄等在体内外实验中被证明对EMT具有一定的抑制作用。本文从信号通路角度,通过将中药干预足细胞EMT的文献进行整合,筛选出作用于足细胞EMT信号通路的中药并对其功效进行分析,发现益气养阴类、清热祛湿类、活血化瘀类中药在足细胞EMT中的研究较多,在糖尿病肾病治疗中可能发挥足细胞保护的机制,为糖尿病肾病的中药治疗提供思路。展开更多
文摘Epithelial-mesenchymal transition(EMT),mesenchymal-epithelial transition(MET),and even the sequential EMT-MET can be observed during multiple cell fate conversions including cancer progression and embryonic development.In the current review,we first focused on the existence and beneficial roles of the sequential EMT-MET during three typical cell fate conversions,differentiation from pluripotent stem cells(PSCs)to neurons,de-differentiation from mouse embryonic fibroblasts(MEFs)to PSCs,and trans-differentiation from MEFs to neurons.We tried to provide some preliminary hypotheses to connect EMT-MET and cell fate conversions,like the possible contributions of the intermediate mesenchymal state to iPSCs generation and neurontrans-differentiation.The intermediate mesenchymal state during sequential EMT-MET was further discussed by exploring the conserved signatures on gene expression during a variety of EMT.Discussion on the interaction among vitamin C,DNA methylation,and EMT/MET was also provided.
文摘糖尿病肾病是终末期肾病的首要原因,足细胞上皮间质转分化(epithelial to mesenchymal transition,EMT)与糖尿病肾病肾功能减退、蛋白尿的发生及进展有重要关系。中医药治疗糖尿病肾病在临床中疗效确切,但糖尿病肾病发病机制复杂,其分子机制尚未完全阐明。足细胞EMT和多条信号通路有关,如转化生长因子-β、Wnt/β-catenin、整合素连接激酶、Notch、丝裂原活化蛋白激酶、核因子-κB、磷脂酰肌醇-3-激酶/蛋白激酶B信号通路,其中转化生长因子-β作为必需细胞因子可激活其他信号通路。信号通路将受到刺激后产生的细胞外信号分子传递进细胞核内与靶基因结合,促进足细胞EMT。中药单体、单味中药如黄芪甲苷、当归多糖、雷公藤甲素、黄芩苷、丹参和生地黄等在体内外实验中被证明对EMT具有一定的抑制作用。本文从信号通路角度,通过将中药干预足细胞EMT的文献进行整合,筛选出作用于足细胞EMT信号通路的中药并对其功效进行分析,发现益气养阴类、清热祛湿类、活血化瘀类中药在足细胞EMT中的研究较多,在糖尿病肾病治疗中可能发挥足细胞保护的机制,为糖尿病肾病的中药治疗提供思路。
