Induction of microRNA-138 by pro-inflammatory cytokines causes endothelial cell dysfunction.

Induction of microRNA-138 by pro-inflammatory cytokines causes endothelial cell dysfunction.
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DOI:
10.1016/j.febslet.2014.01.033
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发表时间:
2014-03-18
期刊:
影响因子:
3.5
通讯作者:
Peppel K
Peppel K
中科院分区:
生物学3区
文献类型:
--
作者:
Sen A;Most P;Peppel K

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Exposure to pro-inflammatory cytokines, such as angiotensin II, endothelin-1 or TNF leads to endothelial dysfunction, characterized by the reduced production of nitric oxide via endothelial nitric oxide synthase (eNOS). We recently identified the Ca2+ binding protein S100A1 as an essential factor required for eNOS activity. Here we report that pro-inflammatory cytokines down-regulate expression of S100A1 in primary human microvascular endothelial cells (HMVECs) via induction of microRNA-138 (miR-138), in a manner that depends on the stabilization of HIF1-α. We show that loss of S100A1 in ECs reduces stimulus-induced NO production, which can be prevented by inhibition of miR-138. Our study suggests that targeting miR-138 might be beneficial for the treatment of cardiovascular disease.
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