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首页> 外文期刊>Journal of Cellular Physiology >Angiopoietin 1 enhances the proliferation and differentiation of skeletal myoblasts
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Angiopoietin 1 enhances the proliferation and differentiation of skeletal myoblasts

机译:1提高扩散和检验骨骼肌成肌细胞分化

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Angiopoietin 1 (Ang1) plays an important role in various endothelial functions, such as vascular integrity and angiogenesis; however, less is known about its function outside of the endothelium. In this study, we examined whether Ang1 has direct effects on skeletal muscle cells. We found that Ang1 exhibited myogenic potential, as it promoted the proliferation, migration, and differentiation of mouse primary skeletal myoblasts. The positive effect of Ang1 on myoblast proliferation could have been mediated by the ??7 and ??1 integrins. We also found that Ang1 potentiated cellular Ca2+ movements in differentiated myotubes in response to stimuli, possibly through the increased expression of two Ca2+-related proteins, namely, Orai1 and calmodulin. Ang1 also increased Orai1 and calmodulin expression in mouse hearts in vivo. These results provide an insight into the molecular mechanisms by which Ang1 directly affects the myogenesis of striated muscle. J. Cell. Physiol. ? 2012 Wiley Periodicals, Inc.
机译:检验1 (Ang1)中发挥着重要作用各种内皮功能,如血管完整性和血管生成;了解其功能之外的内皮。Ang1对骨骼肌细胞有直接影响。我们发现Ang1展出肌原性的潜力,因为它促进了扩散、迁移和分化的鼠标主骨架成肌细胞。成肌细胞增殖可能是介导的? ?Ang1强细胞Ca2 +运动差异化的肌管刺激,通过两个表达式的增加可能Ca2 + -相关蛋白质,即Orai1和钙调蛋白。钙调蛋白表达在老鼠体内的心。这些结果提供了一个深入的了解Ang1直接的分子机制影响横纹肌肌细胞生成的。细胞。

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