CONTEXT: Presence of endothelial nitric oxide synthase (eNOS) gene polymorphism has been associated with cardiovascular disease (CVD) whereas exercise training (EX) promotes beneficial effects on CVD which is related to increased nitric oxide levels (NO). OBJECTIVE: To evaluate if women with eNOS gene polymorphism at position-G894T would be less responsive to EX than those who did not carry T allele. METHODS: Women were trained 3 days/week, 40 minutes session during 6 months. Cardio-biochemical parameters and genetic analysis were performed in a double-blind fashion. RESULTS: Plasma NOx- levels were similar in both groups at baseline (GG genotype: 18.44±3.28 μM) and (GT+TT genotype: 17.19±2.43 μM) and after EX (GG: 29.20±4.33 and GT+TT: 27.38±3.12 μM). A decrease in blood pressure was also observed in both groups. DISCUSSION AND CONCLUSION: The presence of eNOS polymorphism does not affect the beneficial effects of EX in women.
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Rezende et al. (2011) studied this question.
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