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Making Cardiomyocytes: How Mechanical Stimulation Can Influence Differentiation of Pluripotent Stem Cells

机译:制作心肌细胞:机械刺激如何影响多能干细胞的分化

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摘要

Pluripotent stem cells (PSCs), including embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs) have promise in regenerative medicine for a variety of applications. Their potential in the treatment of cardiovascular disease is of particular interest due to its severity and prevalence. In order to be successful for cell therapy, PSCs must be pre-differentiated into cardiomyocytes to prevent teratoma formation in vivo. Current methods focus on the supplementation of soluble factors to culture medium to drive differentiation into mesodermal lineages; however, these methods are costly with varying cardiomyocyte yields. Since cardiomyocytes are exposed to dynamic environments in vivo, there is potential in using mechanical stimulation to further drive differentiation in vitro. In this review, we will describe the most recent developments in how mechanical stimulation, including fluid shear, cyclic strain, and magnetically mediated strain, can guide cardiomyogenesis in PSCs.
机译:多能干细胞(PSC),包括胚胎干细胞(ESC)和诱导多能干细胞(iPSC),在再生医学中有望用于多种应用。由于其严重性和普遍性,它们在心血管疾病治疗中的潜力特别令人关注。为了成功进行细胞治疗,必须将PSC预先分化为心肌细胞,以防止体内畸胎瘤形成。当前的方法集中于向培养基补充可溶性因子以驱动分化为中胚层谱系。但是,这些方法在改变心肌细胞产量的情况下成本很高。由于心肌细胞在体内暴露于动态环境,因此存在使用机械刺激进一步驱动体外分化的潜力。在这篇综述中,我们将描述机械刺激(包括流体剪切,循环应变和磁性介导的应变)如何指导PSC的心肌发生的最新进展。

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