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Study on the antagonizing effect of selenium to oxide free radical during cardiac muscle ischemia/reperfusion

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收录情况: ◇ 北大核心

机构: [1]首都医科大学宣武医院 [2]北京市心肺血管疾病研究所 [3]北京理化测试中心
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关键词: GSH-Px Mg Oxide free radical Selenium

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OBJECTIVE: To investigate the antagonizing effect of selenium (Se) to the production of oxide free radical and the impact to some trace elements after Se taken. METHODS: To determinate of MDA contents by TBA, GSH-Px activity by DTNB, Se content by graphite furnace assay, Mg 2+ content and Ca 2+ content by flame assay, respectively. RESULTS: Rat cardiac muscle GSH-Px activity, Se 2+ and Mg 2+ were increased after Se taken, while MDA and Ca 2+ contents were decreased. GSH-Px and Ca 2+ were mainly influenced in organic Se group, while Mg 2+ was mainly influenced in inorganic Se group, especially during reperfusion period. CONCLUSION: The increase of GSH-Px activity and Ca 2+ content and the decrease of Ca 2+ through Se taken may be involved in the mechanism of Se antagonizing to free radical damage in cardiac muscle in rats.

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第一作者机构: [1]首都医科大学宣武医院
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