Regulation of tenascin expression in bone.

Regulation of tenascin expression in bone.
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DOI:
10.1002/jcb.23265
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发表时间:
2011-11
影响因子:
4
通讯作者:
Genetos, Damian C.
Genetos, Damian C.
中科院分区:
生物学2区
文献类型:
--
作者:
Morgan, Jessica M.;Wong, Alice;Yellowley, Clare E.;Genetos, Damian C.

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tenascin调节细胞与周围细胞周基质的相互作用。在骨内,tenascin C和W影响成骨细胞的粘附和分化,尽管对tenascin表达的调控知之甚少。在这项研究中,我们研究了成骨分化、BMP和Wnt生长因子以及机械负荷对成骨细胞中腱蛋白表达的影响。成骨分化使Tenascin C (TnC)表达升高,Tenascin W (TnW)表达降低。生长因子和机械负荷都增加了TnC和TnW的表达,尽管是通过不同的信号机制。MAP激酶介导BMP-2和Wnt5a诱导tenascin表达。这些数据证实了BMP、wnt和机械负荷在成骨细胞中腱蛋白表达调控中的作用。
Tenascins regulate cell interaction with the surrounding pericellular matrix. Within bone, tenascin C and W influence osteoblast adhesion and differentiation, although little is known about the regulation of tenascin expression. In this study we examined the effect of osteogenic differentiation, BMP and Wnt growth factors, and mechanical loading on tenascin expression in osteogenic cells. Osteogenic differentiation increased Tenascin C (TnC), and decreased Tenascin W (TnW), expression. Both growth factors and mechanical loading increased both TnC and TnW expression, albeit via distinct signaling mechanisms. Both BMP-2 and Wnt5a induction of tenascin expression were mediated by MAP kinases. These data establish a role for BMP, Wnts, and mechanical loading in the regulation of tenascin expression in osteoblasts.
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发表时间: 2009
期刊: PloS one
影响因子: 3.7
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