Regular exercise-induced increased number and activity of circulating endothelial progenitor cells attenuates age-related decline in arterial elasticity in healthy men

被引：56

作者：

Yang, Zhen ^{[1
]}

Xia, Wen-Hao ^{[1
]}

Su, Chen ^{[1
]}

Wu, Fang ^{[1
]}

Zhang, Yuan-Yuan ^{[1
]}

Xu, Shi-Yue ^{[1
]}

Liu, Xing ^{[1
]}

Zhang, Xiao-Yu ^{[1
]}

Ou, Zhi-Jun ^{[1
]}

Lai, Guang-Hua ^{[1
]}

Liao, Xin-Xue ^{[1
]}

Jin, Ya-Fei ^{[1
]}

Tao, Jun ^{[1
]}

机构：

[1] Sun Yat Sen Univ, Affiliated Hosp 1, Dept Hypertens & Vasc Dis, Guangzhou 510080, Guangdong, Peoples R China

来源：

INTERNATIONAL JOURNAL OF CARDIOLOGY | 2013年 / 165卷 / 02期

关键词：

Physical exercise; Aging; Endothelial progenitor cells; Arterial elasticity; PULSE-WAVE VELOCITY; PHYSICAL-ACTIVITY; BRACHIAL-ANKLE; RISK-FACTORS; DEPENDENT VASODILATION; TRAINING INCREASES; MIGRATORY CAPACITY; STIFFNESS; MOBILIZATION; CONTRIBUTES;

D O I：

10.1016/j.ijcard.2011.08.055

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

Background: Deficiency in number and activity of circulating EPCs is associated with reduced arterial elasticity in humans with advancing aging. Physical exercise can increase the number and activity of circulating EPCs in humans. Here we investigated whether regular exercise-induced enhanced circulating endothelial progenitor cells (EPCs) improves age-related decline in arterial elasticity in healthy men. Methods: In a cross-sectional study, the number and activity of circulating EPCs as well as brachial-ankle pulse wave velocity (baPWV) of young and older sedentary or endurance-trained healthy men were studied. Then we observed the effect of regular exercise on circulating EPCs and baPWV of 10 older and 10 young sedentary healthy men. Results: In both sedentary and endurance-trained men, the number and activity of circulating EPCs were significantly low in older men compared with young men, which was paralleled to increased baPWV. After three months of regular exercise, the number and activity of circulating EPCs increased, and the baPWV of 10 older and 10 young sedentary healthy men decreased. However, the increased number and activity of circulating EPCs and decreased baPWV of older sedentary healthy men were higher. There was a close correlation between circulating EPCs and baPWV. Multivariate analysis identified proliferative activity of circulating EPCs as an independent predictor of baPWV. Conclusions: The present study demonstrates for the first time that regular physical exercise-induced enhanced circulating EPCs attenuates age-related decline in arterial elasticity in healthy men. These findings provide novel insights into the protective effects of exercise on age-related vascular injury. (C) 2011 Elsevier Ireland Ltd. All rights reserved.

引用

页码：247 / 254

页数：8

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