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
Jin ZG
中科院分区:
其他
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

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TRPV 4离子通道介导血管机械敏感性和血管舒张。在这里,我们试图探索TRPV 4的非机械激活是否可以限制血管炎症和动脉粥样硬化。我们发现,GSK 1016790 A,一种有效的和特异性的TRPV 4的小分子激动剂,诱导eNOS的磷酸化和激活,部分通过AMPK途径。此外,GSK 1016790 A抑制TNF-α诱导的单核细胞与人内皮细胞的粘附。给予GSK 1016790 A的小鼠显示主动脉中eNOS和AMPK的磷酸化增加,白细胞与TNF-α炎症内皮细胞的粘附减少。重要的是,口服GSK 1016790 A减少了喂食西式饮食的ApoE缺陷小鼠的动脉粥样硬化斑块形成。总之,本研究表明,TRPV 4的药理学激活可能作为一种潜在的治疗方法来治疗动脉粥样硬化。
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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发表时间: 1999-06-10
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