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主题:尿液来源的诱导多能干细胞
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: d* w' Q, m# i: M说明:原文来自American Society of Nephrology,干细胞之家新闻小组成员deron翻译(转帖请注明)
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强制表达成体细胞内选定的转录因子,能够将其转化为胚胎干细胞(ESC)样细胞,又称诱导性多能干细胞(iPSCs)。优先选择供者哪个组织收集细胞以进行重编程产生iPSCs目前尚无共识,并且一些供者细胞类型较其它类型而言,更易于积累表观遗传印迹和成体细胞突变。这里,我们介绍一种简单可重复无损伤的方法:将尿液里的肾小管细胞诱导生成人iPSCs。该过程消除了其它方案的许多相关问题,同时诱导生成的iPSCs具有卓越的分化能力。这些数据表明尿液可以成为获取iPSCs的首选细胞源。6 j8 {8 w z) t+ u7 m
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原摘要:Forced expression of selected transcription factors can transform somatic cells into embryonic stem cell (ESC)-like cells, termed induced pluripotent stem cells (iPSCs). There is no consensus regarding the preferred tissue from which to harvest donor cells for reprogramming into iPSCs, and some donor cell types may be more prone than others to accumulation of epigenetic imprints and somatic cell mutations. Here, we present a simple, reproducible, noninvasive method for generating human iPSCs from renal tubular cells present in urine. This procedure eliminates many problems associated with other protocols, and the resulting iPSCs display an excellent ability to differentiate. These data suggest that urine may be a preferred source for generating iPSCs.
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