Int J Mol Med:研究发现大鼠脂肪干细胞的增殖和分化受到YAP蛋白的调节

2018-06-22 MedSci MedSci原创

脂肪源性干细胞(ASC)为基础的治疗是治疗肌肉骨骼系统疾病的一种很有前景的治疗策略,因为ASCs可分化成多种细胞谱系。然而,这个领域最近才开始探究,因此,需要大量的工作来确定ASCs的治疗潜力。此外,与ASC增殖和分化相关的机制和因素也有待阐明。为了确定ASCs的生物学特性和随后的临床应用,必须研究这些分子机制。据报道,作为Hippo信号传导通路的主要靶标的转录共激活物是相关蛋白(YAP)在干细胞

脂肪源性干细胞(ASC)为基础的治疗是治疗肌肉骨骼系统疾病的一种很有前景的治疗策略,因为ASCs可分化成多种细胞谱系。然而,这个领域最近才开始探究,因此,需要大量的工作来确定ASCs的治疗潜力。此外,与ASC增殖和分化相关的机制和因素也有待阐明。

为了确定ASCs的生物学特性和随后的临床应用,必须研究这些分子机制。据报道,作为Hippo信号传导通路的主要靶标的转录共激活物是相关蛋白(YAP)在干细胞增殖和分化中起关键作用。据我们所知,YAP在大鼠ASCs(rASCs)增殖和分化中的作用尚未见报道。

免疫荧光分析的结果显示,YAP在rASC中的亚细胞分布受细胞密度和肌动蛋白细胞骨架调控。此外,免疫印迹分析表明,YAP蛋白在rASCs中的表达受溶血磷脂酸和肌动蛋白细胞骨架调控。此外,YAP激活促进了rASCs的增殖,而YAP失活促进了rASCs的成骨,并抑制脂肪形成。

总之,这些发现表明,YAP可能调节rASCs的增殖和分化。因此,rASCs中YAP的靶向调节可以改善rASC在肌肉骨骼疾病中的治疗效果。

原始出处:

Jing X, Wang J, et al., Proliferation and differentiation of rat adipose derived stem cells are regulated by yes associated protein. Int J Mol Med. 2018 Jun 18. doi: 10.3892/ijmm.2018.3734.

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    2018-12-30 gujh
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