Getting a grip on Thy-1 signaling.

Getting a grip on Thy-1 signaling.
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DOI:
10.1016/j.bbamcr.2008.10.004
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发表时间:
2009-05
期刊:
Biochimica et biophysica acta
影响因子:
--
通讯作者:
Hagood JS
Hagood JS
中科院分区:
其他
文献类型:
--
作者:
Barker TH;Hagood JS

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Hermosilla等人最近的一项研究。Hermosilla, D. Munoz, R. Herrera-Molina, a . Valdivia, N. Munoz, S.U. Nham, P. Schneider, K. Burridge, A.F. Quest, L. Leyton, Thy-1/ α - β - 3整合素直接相互作用介导星形胶质细胞与α - v - β - 3整合素的通讯,生物化学与生物物理学报,1783(2008)1111-1120]证明Thy-1神经元与α - v - β - 3整合素通过一个保存的RLD基序结合,通过酪氨酸磷酸化和RhoA激活引发局部粘连和应激纤维的形成。这项研究增加了越来越多的证据,证明了Thy-1的信号传导机制和生物学作用,Thy-1是一种重要的环境依赖性信号传导调节因子。随着对Thy-1的了解接近50年,开始综合来自不同领域的见解以确定这种迄今为止神秘的分子如何以顺式和反式方式调节细胞行为是至关重要的。
A recent study by Hermosilla et al. [T. Hermosilla, D. Munoz, R. Herrera-Molina, A. Valdivia, N. Munoz, S.U. Nham, P. Schneider, K. Burridge, A.F. Quest, L. Leyton, Direct Thy-1/alphaVbeta3 integrin interaction mediates neuron to astrocyte communication, Biochim Biophys Acta 1783 (2008) 1111–1120] demonstrates that Thy-1 on neurons binds to αvβ3 integrin on astrocytes via a conserved RLD motif, triggering the formation of focal adhesions and stress fibers via tyrosine phosphorylation and RhoA activation. This study adds to growing evidence regarding the signaling mechanisms and biological roles of Thy-1, an important regulator of context-dependent signaling. As knowledge of Thy-1 approaches its fiftieth year, it is critical to begin to synthesize insights from different fields to determine how this heretofore enigmatic molecule modulates cell behavior in both cis and trans.
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