Overexpression of MicroRNA-122 Resists Oxidative Stress-Induced Human Umbilical Vascular Endothelial Cell Injury by Inhibition of p53

被引：15

作者：

Li, Hua-qing ^{[1
]}

Pan, Zhi-yu ^{[1
]}

Yang, Zhen ^{[1
]}

Zhang, Don-bing ^{[1
]}

Chen, Qian ^{[1
]}

机构：

[1] Fudan Univ, Minhang Hosp, Dept Vasc Surg, Shanghai 201100, Peoples R China

来源：

BIOMED RESEARCH INTERNATIONAL | 2020年 / 2020卷

关键词：

DEEP-VEIN THROMBOSIS; INDUCED APOPTOSIS; CYCLE; ACTIVATION;

D O I：

10.1155/2020/9791608

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Deep venous thrombosis (DVT) constitutes a great threat to health worldwide. Endothelial cell injury and dysfunction comprise the critical contributor for the development of DVT. However, the mechanism behind it remains poorly elucidated. The study is aimed at investigating the role of microRNA-122 (miR-122) and oxidative stress on DVT. The results showed that miR-122 overexpression dampened H2O2-evoked cytotoxic injury in human umbilical vein endothelial cells (HUVECs) by increasing cell viability, suppressing cell apoptosis and oxidative stress injury. Notably, miR-122 overexpression attenuated provasoconstriction factor endothelin-1 (ET-1) expression in HUVECs exposed to H2O2 but enhanced the productions of vasodilatation factor Prostaglandin F1 alpha (PGF1 alpha). Moreover, inhibition of miR-122 had the opposite results. miR-122 could inhibit the expression of p53. Low expression of p53 could enhance the protection of miR-122 on HUVEC injury. This study highlights that miR-122 overexpression may restore H2O2-induced HUVEC injury by regulating the expression of p53.

引用

页数：11

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