GPR68 Senses Flow and Is Essential for Vascular Physiology.
GPR68 Senses Flow and Is Essential for Vascular Physiology.
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DOI:
10.1016/j.cell.2018.03.076
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发表时间:
2018-04-19
期刊:
影响因子:
64.5
通讯作者:
Patapoutian A
中科院分区:
文献类型:
--
作者:
Xu J;Mathur J;Vessières E;Hammack S;Nonomura K;Favre J;Grimaud L;Petrus M;Francisco A;Li J;Lee V;Xiang FL;Mainquist JK;Cahalan SM;Orth AP;Walker JR;Ma S;Lukacs V;Bordone L;Bandell M;Laffitte B;Xu Y;Chien S;Henrion D;Patapoutian A
Mechanotransduction plays a crucial role in vascular biology. One example of this is local regulation of vascular resistance via flow-mediated vasodilation (FMD). Impairment of this process is a hallmark of endothelial dysfunction, and a precursor to a wide array of vascular diseases such as hypertension and atherosclerosis. And yet, the molecules responsible for sensing flow (shear stress) within endothelial cells remain largely unknown. We designed a 384-well screening system that applies shear stress on cultured cells. We identified a mechanosensitive cell line that exhibits shear stress-activated calcium transients, screened a focused RNAi library, and identified GPR68 as necessary and sufficient for shear stress responses. GPR68 is expressed in endothelial cells of small diameter (resistance) arteries. Importantly, Gpr68-deficient mice display markedly impaired acute FMD and chronic flow-mediated outward remodeling in mesenteric arterioles. Therefore, GPR68 is an essential flow sensor in arteriolar endothelium, and is a critical signaling component in cardiovascular pathophysiology. A GPCR is critical for shear stress sensing in blood vessels
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影响因子:
3.7
作者:
Li H;Wang D;Singh LS;Berk M;Tan H;Zhao Z;Steinmetz R;Kirmani K;Wei G;Xu Y
通讯作者:
Xu Y
影响因子:
7.7
作者:
Freidja ML;Tarhouni K;Toutain B;Fassot C;Loufrani L;Henrion D
通讯作者:
Henrion D
影响因子:
14.9
作者:
Käll L;Krogh A;Sonnhammer EL
通讯作者:
Sonnhammer EL
DOI:
10.1073/pnas.1614035114
发表时间:
2017-01-17
影响因子:
11.1
作者:
Chen, Peiwen;Zuo, Hao;Wan, Yihong
通讯作者:
Wan, Yihong
影响因子:
10.8
作者:
Dumont, Odile;Pinaud, Frederic;Henrion, Daniel
通讯作者:
Henrion, Daniel