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苦豆碱对大鼠肺动脉高压的保护作用及其抗氧化机制 被引量:3

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摘要 目的探究苦豆碱对野百合碱致大鼠肺动脉高压的作用及其机制。方法通过野百合碱60 mg/kg皮下注射建立肺动脉高压模型。模型建立后开始灌胃给予大鼠苦豆碱,持续21 d。在实验终点时检测大鼠平均肺动脉压力(m PAP)、右心室肥厚指数(RVHI)及肺小动脉病理变化;比色法检测SOD、MDA、GSH-Px、T-AOC、CAT水平;Western blot检测肺组织NADPH氧化酶2(NOX2)、NOX4蛋白表达。结果苦豆碱可以降低肺动脉高压大鼠的mPAP、RVHI,逆转其肺小动脉病理变化,降低其MDA及NOX2、NOX4表达,提高SOD、GSH-Px、T-AOC、CAT水平。结论苦豆碱可对抗野百合碱诱导的肺动脉高压,其机制可能与抗氧化作用有关。
出处 《时珍国医国药》 CAS CSCD 北大核心 2017年第11期2579-2582,共4页 Lishizhen Medicine and Materia Medica Research
基金 国家自然科学基金(81402990) 宁夏自然科学基金(NZ14086)
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