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2,3,7,8-四氯二苯并二噁英急性染毒对小鼠脑组织中Na^+-K^+-ATP酶和Ca^2+-ATP酶活力的影响 被引量:1

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摘要 目的研究2,3,7,8-四氯二苯并二噁英(TCDD)对小鼠脑组织中Na^+-K^+-ATP酶、Ca^2+-ATP酶活力的影响。方法将48只雌雄各半的昆明种小鼠按性别随机分为高、中、低剂量TCDD染毒组和对照组,每组雌雄各6只,TCDD染毒剂量分别为100、10、1μg/kg,用腹腔注射的方式一次染毒,48h后,测定脑组织中Na^+-K^+-ATP酶、Ca^2+-ATP酶活力。结果雌性低剂量、中剂量染毒组和雄性高剂量染毒组小鼠脑组织中Na^+-K^+-ATP酶活力[分别为(17.35±3.07)、(16.13±2.42)、(20.25±2.72)μmolPi·mg pro^-1·h^-1]明显升高,与对照组[分别为(13.60±1.72)、(15.97±1.90)μmolPi·mgpro^-1·h^-1]相比,差异均有统计学意义(P〈0.05)。各染毒组小鼠Ca^2+-ATP酶活力有增加的趋势,但与对照组比较,差异无统计学意义(P〉0.05)。结论TCDD急性染毒能提高小鼠脑组织中Na^+-K^+-ATP酶的活力,且存在性别差异。
出处 《中华劳动卫生职业病杂志》 CAS CSCD 北大核心 2010年第6期450-451,共2页 Chinese Journal of Industrial Hygiene and Occupational Diseases
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