A novel TRPV4-specific agonist inhibits monocyte adhesion and atherosclerosis.
A novel TRPV4-specific agonist inhibits monocyte adhesion and atherosclerosis.
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DOI:
10.18632/oncotarget.9376
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发表时间:
2016-06-21
期刊:
影响因子:
--
通讯作者:
Jin ZG
中科院分区:
文献类型:
--
作者:
Xu S;Liu B;Yin M;Koroleva M;Mastrangelo M;Ture S;Morrell CN;Zhang DX;Fisher EA;Jin ZG
TRPV4 ion channel mediates vascular mechanosensitivity and vasodilation. Here, we sought to explore whether non-mechanical activation of TRPV4 could limit vascular inflammation and atherosclerosis. We found that GSK1016790A, a potent and specific small-molecule agonist of TRPV4, induces the phosphorylation and activation of eNOS partially through the AMPK pathway. Moreover, GSK1016790A inhibited TNF-α-induced monocyte adhesion to human endothelial cells. Mice given GSK1016790A showed increased phosphorylation of eNOS and AMPK in the aorta and decreased leukocyte adhesion to TNF-α-inflamed endothelium. Importantly, oral administration of GSK1016790A reduced atherosclerotic plaque formation in ApoE deficient mice fed a Western-type diet. Together, the present study suggests that pharmacological activation of TRPV4 may serve as a potential therapeutic approach to treat atherosclerosis.
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