白藜芦醇对哮喘小鼠磷脂酶A2活性和气道炎症的影响

Journal of Guangdong Pharmaceutical University(2016)

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Abstract
目的 探讨白藜芦醇对哮喘小鼠磷脂酶A2活性和气道炎症的影响.方法 采用卵清蛋白(OVA)刺激,建立小鼠哮喘模型,测定哮喘小鼠支气管肺泡灌洗液(BALF)中白细胞总数及嗜酸粒细胞(EOS)计数;紫外分光光度法测定肺组织中前列腺素E2(PGE2)的含量;盐酸滴定法测定肺组织和血清中磷脂酶A2活性.结果 白藜芦醇能显著减少哮喘模型小鼠BALF中白细胞总数及EOS计数,减少肺组织中PGE2含量,降低磷脂酶A2活性.结论 白藜芦醇对哮喘小鼠有保护作用,可能与其降低磷脂酶A2活性、减轻炎性细胞浸润、减少炎症介质PGE2的产生有关.
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Key words
resveratrol,bronchial asthma,inflammatory cell,PGE2,PLA2
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