Hydrogen-rich saline prevents neointima formation after carotid balloon injury by suppressing ROS and the TNF-α/NF-κB pathway

被引：43

作者：

Qin, Zhe-xue ^{[1
]}

Yu, Pan ^{[2
]}

Qian, De-hui ^{[1
]}

Song, Ming-bao ^{[1
]}

Tan, Hu ^{[1
]}

Yu, Yang ^{[1
]}

Li, Wei ^{[1
]}

Wang, Hang ^{[1
]}

Liu, Jie ^{[1
]}

Wang, Qiang ^{[1
]}

Sun, Xue-jun ^{[3
]}

Jiang, Hong ^{[1
]}

Zhu, Jin-kun ^{[1
]}

Lu, Wei ^{[1
]}

Huang, Lan ^{[1
]}

机构：

[1] Third Mil Med Univ, Inst Cardiovasc Dis, Xinqiao Hosp, PLA, Chongqing 400037, Peoples R China

[2] Third Mil Med Univ, Dept Plast Surg, Southwest Hosp, Chongqing 400038, Peoples R China

[3] Second Mil Med Univ, Dept Diving Med, Fac Naval Med, Shanghai 200433, Peoples R China

来源：

ATHEROSCLEROSIS | 2012年 / 220卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Hydrogen; Neointima hyperplasia; Reactive oxygen species; Vascular smooth muscle cell; INTESTINAL ISCHEMIA/REPERFUSION; SUCCINOBUCOL AGI-1067; RATS; ATHEROSCLEROSIS; PROTECTS; HYPERPLASIA; ANTIOXIDANT; EXPRESSION; PROBUCOL; STRESS;

D O I：

10.1016/j.atherosclerosis.2011.11.002

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

Background: Reactive oxygen species (ROS) play a pivotal role in neointima hyperplasia after balloon injury. Molecular hydrogen has emerged as a novel antioxidant and has been proven effective in treating many diseases. Objectives: We aimed to determine the mechanism by which hydrogen affects neointima formation. Methods: We assessed the influence of a hydrogen-rich saline solution (HRSS) by daily injection in rats. Rats were euthanized to evaluate the neointima. ROS, malondialdehyde (MDA) and superoxide dismutase (SOD) and reduced glutathione (GSH), were detected in the injured artery. Macrophage infiltration and the production of inflammatory factors (i.e., IL-6, TNF-alpha and NF-kappa B) were also observed. The in vitro effects of hydrogen on vascular smooth muscle cell (VSMC) proliferation were also measured. Results: HRSS decreased the neointima area significantly. The neointima/media ratio was also reduced by HRSS. There was a decline in the number of PCNA-positive cells in the intima treated with HRSS. Meanwhile, HRSS ameliorated the ROS and MDA levels and increased SOD, reduced GSH levels in the injured carotid. In addition, the levels of inflammatory factors, such as IL-6, TNF-alpha and NF-kappa B p65, were attenuated by HRSS. In vitro studies also confirmed the anti-proliferative capability of the hydrogen solution and ROS generation in VSMCs induced by PDGF-BB. Conclusion: HRSS may have a protective role in the prevention of neointima hyperplasia and restenosis after angioplasty. HRSS may partially exert its role by neutralizing the local ROS and suppressing the TNF-alpha/NF-kappa B pathway. (C) 2011 Elsevier Ireland Ltd. All rights reserved.

引用

页码：343 / 350

页数：8

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