Gene regulation by mechanical forces.

Gene regulation by mechanical forces.
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通过机械力进行基因调控。

DOI:
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发表时间:
1997
期刊:
Endothelium : journal of endothelial cell research
影响因子:
--
通讯作者:
B. Sumpio
B. Sumpio
中科院分区:
--
文献类型:
--
作者:
B. Oluwole;W. Du;I. Mills;B. Sumpio

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内皮细胞在体内受到来自血液流过血管腔表面的各种机械力。本综述的目的是研究这些机械力,特别是循环应变,如何影响内皮细胞功能的表达和调节的数据。各种研究者使用体外循环应变模型的研究表明,各种血管活性介质如一氧化氮和前列环素是由机械变形的作用诱导的,并且这些介质的表达可以通过机械力在转录水平上调节。似乎也有新的证据表明,内皮细胞也可以作为mechanotransducers,从而传输外力诱导各种细胞骨架的变化和第二信使级联。此外,似乎这些力量可能会对启动子基因的特定反应元件。
Endothelial cells are subjected to various mechanical forces in vivo from the flow of blood across the luminal surface of the blood vessel. The purpose of this review was to examine the data available on how these mechanical forces, in particular cyclic strain, affect the expression and regulation of endothelial cell function. Studies from various investigators using models of cyclic strain in vitro have shown that various vasoactive mediators such as nitric oxide and prostacyclin are induced by the effect of mechanical deformation, and that the expression of these mediators may be regulated at the transcription level by mechanical forces. There also seems to be emerging evidence that endothelial cells may also act as mechanotransducers, whereby the transmission of external forces induces various cytoskeletal changes and second messenger cascades. Furthermore, it seems these forces may act on specific response elements of promoter genes.
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