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首页> 外文期刊>Journal of Cellular Physiology >Butyrate stimulates the growth of human intestinal smooth muscle cells by activation of yes‐associated protein
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Butyrate stimulates the growth of human intestinal smooth muscle cells by activation of yes‐associated protein

机译:丁酸盐刺激人体肠道的生长平滑肌细胞的激活是的应承担相关的蛋白质

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Intestinal smooth muscle cells play a critical role in the remodeling of intestinal structure and functional adaptation after bowel resection. Recent studies have shown that supplementation of butyrate (Bu) contributes to the compensatory expansion of a muscular layer of the residual intestine in a rodent model of short‐bowel syndrome (SBS). However, the underlying mechanism remains elusive. In this study, we found that the growth of human intestinal smooth muscle cells (HISMCs) was significantly stimulated by Bu via activation of Yes‐Associated Protein (YAP). Incubation with 0.5?mM Bu induced a distinct proliferative effect on HISMCs, as indicated by the promotion of cell cycle progression and increased DNA replication. Notably, YAP silencing by RNA interference or its specific inhibitor significantly abolished the proliferative effect of Bu on HISMCs. Furthermore, Bu induced YAP expression and enhanced the translocation of YAP from the cytoplasm to the nucleus, which led to changes in the expression of mitogenesis genes, including TEAD1, TEAD4, CTGF, and Cyr61. These results provide evidence that Bu stimulates the growth of human intestinal muscle cells by activation of YAP, which may be a potential treatment for improving intestinal adaptation.
机译:肠道平滑肌细胞扮演至关重要在肠道结构的重塑中的作用和功能性肠切除术后适应。最近的研究表明,补充丁酸(Bu)有助于补偿扩张肌层的残余在一个啮齿动物模型的短肠肠综合症(SBS)。仍然是难以捉摸的。人类肠道平滑肌细胞的增长(HISMCs)大大刺激了布鲁里溃疡通过激活是的相关蛋白质(笨蛋)。孵化与0.5 ?对HISMCs增殖的影响,如所示促进细胞周期进程增加的DNA复制。通过RNA干扰或其特定抑制剂显著地废除了增殖效果妈妈在HISMCs之。表达和增强狂吠的易位从细胞质到细胞核,导致有丝分裂发生基因的表达变化,包括TEAD1、TEAD4 CTGF, Cyr61。结果提供证据表明,布鲁里溃疡刺激人类肠道肌肉细胞的增长激活的狂吠,这可能是一个潜在的治疗改善肠道适应。

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