Sex-Dependent Effect of Platelet Nitric Oxide Production and Platelet Reactivity in Healthy Individuals
JACC: Basic to Translational Science(2022)
摘要
A nitrate-rich diet has many cardiovascular benefits, but the mechanism behind this is unclear. We hypothesized that the ingestion of nitrate augments nitrate to nitrite reduction, leading to nitric oxide (NO) production, which may suppress platelet reactivity. In a randomized, double-blinded, placebo-controlled study involving healthy individuals, ingestion of nitrate augmented saliva and plasma nitrite/nitrate concentration and enhanced platelet NO production disproportionately in women compared with men. The response of elevated platelet NO in men was increased platelet reactivity and the response of markedly elevated platelet NO in women slightly inhibited platelet reactivity. (C) 2022 The Authors. Published by Elsevier on behalf of the American College of Cardiology Foundation.
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关键词
aggregation,nitrate,nitric oxide,nitrite,plant,platelet,women
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