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Effects of resistance exercise on endothelial progenitor cell mobilization in women

Scientific Reports, ISSN: 2045-2322, Vol: 7, Issue: 1, Page: 17880
2017
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Article Description

This study aimed to determine the effect of a single bout of resistance exercise at different intensities on the mobilization of circulating EPCs over 24 hours in women. In addition, the angiogenic factors stromal cell-derived factor 1 (SDF-1α), vascular endothelial growth factor (VEGF), hypoxia-inducible factor 1-alpha (HIF-1α) and erythropoietin (EPO) were measured as potential mechanisms for exercise-induced EPCs mobilization. Thirty-eight women performed a resistance exercise session at an intensity of 60% (n = 13), 70% (n = 12) or 80% (n = 13) of one repetition maximum. Each session was comprised of three sets of 12 repetitions of four exercises: bench press, dumbbell curl, dumbbell squat, and standing dumbbell upright row. Blood was sampled at baseline and immediately, 6 hours, and 24 hours post-exercise. Circulating EPC and levels of VEGF, HIF-1α and EPO were significantly higher after exercise (P < 0.05). The change in EPCs from baseline was greatest in the 80% group (P < 0.05), reaching the highest at 6 hours post-exercise. The change in EPCs from baseline to 6 hours post-exercise was correlated with the change in VEGF (r = 0.492, P = 0.002) and HIF-1α (r = 0.388, P = 0.016). In general, a dose-response relationship was observed, with the highest exercise intensities promoting the highest increases in EPCs and angiogenic factors.

Bibliographic Details

Ribeiro, Fernando; Ribeiro, Ilda P; Gonçalves, Ana C; Alves, Alberto J; Melo, Elsa; Fernandes, Raquel; Costa, Rui; Sarmento-Ribeiro, Ana B; Duarte, José A; Carreira, Isabel M; Witkowski, Sarah; Oliveira, José

Springer Science and Business Media LLC

Multidisciplinary

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