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clavichord

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We show that nonmuscle MIIB (myosin-IIB) is  unpolarized  in  cells  on  soft  matrix  in  2D  and  also within  soft  3D  collagen,  with  rearward  polarization  of MIIB emerging only as cells migrate from soft to stiff matrix. Durotaxis is the tendency of cells to crawl from soft to stiff matrix, and durotaxis of primary mesenchymal stem cells (MSCs)  proved  more  sensitive  to  MIIB  than  to  the  more abundant  and  persistently  unpolarized  nonmuscle  MIIA。
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真强必胜: 金币+1 2013-12-05 13:57:45
我们发现,在2D和3D胶原蛋白软基质中的细胞上的非肌肉MIIB(肌球蛋白-IIB)是非极性的,仅当细胞从软到硬基质迁移时发生MIIB极化。 Durotaxis是细胞从软到硬基质行进的倾向,初级间充质干细胞(MSCs)的durotaxis证明对MIIB比更丰富、更难以极化的非肌肉MIIA更敏感。
durotaxis:趋硬性。duro拉丁文硬的,taxis是生物的趋性,结合相关文献---cell prefers to migrate towards stiffer regions on a substrate with a stiffness gradient,the phenomenon is called durotaxis
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2楼2013-12-04 18:08:05
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