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大鼠气管滴注洗必泰毒性效应及脏器分布的研究

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摘要 目的探讨经呼吸系统吸入洗必泰对大鼠的毒性效应及脏器分布。方法大鼠一次性气管滴注洗必泰,低、高剂量分别为100和1000μg/kg,于1和7 d分批处死动物,检测其脏器指数、血液学和血清生化指标以及血、肺、肝和肾中洗必泰的含量。结果 1000μg/kg染毒可引起大鼠白细胞(WBC)迅速增加,且7 d后仍维持较高水平(与对照组比,P<0.05),而反映肝功能的生化指标总蛋白(TP)和白蛋白(ALB)在7 d后显著下降,反映肾功能的血尿素酶(BUN)和肌肝(CRE)水平上升,与组织损伤有关的乳酶脱氢酶(LDH)水平也显示上升;100μg/kg染毒除少数指标(WBC、TP、ALB)显示下降外,对其他指标均无显著影响。脏器分布检测显示,气管滴注后洗必泰大多贮留在肺组织,7 d后仍维持高水平,比肾脏含量高约30倍。结论较高浓度气管滴注洗必泰对大鼠肺组织有明显的局部损害作用,对肝和肾功能也有一定的损害作用。提示在生产和使用中应采取保护措施,避免呼吸系统吸入洗必泰消毒液。
出处 《毒理学杂志》 CAS CSCD 北大核心 2011年第4期293-295,共3页 Journal of Toxicology
基金 国家自然科学基金资助项目(30671782) 国家973计划资助项目(2006CB705602)
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