火箭推进剂单推-Ⅲ对大鼠肝、肾的毒性效应Studies on the Hepatotoxicity and Nephrotoxicity in Rats Induced by Rocket Propellant DT-Ⅲ
侯立安;张伟;杨丹凤;林本成;马力;袭著革;
摘要(Abstract)：
为探讨新型火箭推进剂单推-Ⅲ(主成分为肼)对大鼠肝、肾的毒性效应及其作用机制,将24只雄性Wistar大鼠随机分为4组:生理盐水对照组,低剂量组、中剂量组和高剂量组,采用灌胃方式染毒,单次染毒剂量分别为0、0.70、2.35、7.05mg·kg-1(以单推-Ⅲ中的肼计算),每天1次,连续染毒7d,眼眶静脉丛取血后腹主动脉放血处死大鼠,称肝、肾重量计算肝、肾的脏器系数,测定大鼠血清中反映肝、肾功能的生化指标,并对肝、肾进行病理学观察.结果表明,1)单推-Ⅲ染毒可导致大鼠出现后肢运动障碍,并显著提高大鼠肝、肾脏器系数及血糖水平;2)病理学观察发现,单推-Ⅲ染毒可导致大鼠肝脏灶性及汇管区少量炎症细胞浸润,肝细胞脂肪变性,肾脏则无明显改变;3)单推-Ⅲ染毒可导致大鼠肝功能异常,部分肝功能指标如谷丙转氨酶(ALT)、谷草转氨酶(AST)、碱性磷酸酶(ALP)、直接胆红素(D-BIL)等出现显著升高或降低;4)单推-Ⅲ染毒可导致大鼠肾功能异常,部分肾功能指标如尿素氮(BUN)、尿酸(UA)、肌酐(CREA)等出现显著升高或降低.综合以上实验结果可以看出火箭推进剂单推-Ⅲ对大鼠肝、肾组织可产生一定的毒性效应,并可造成一定程度的中枢神经损伤。
关键词(KeyWords)： 单推-Ⅲ;肼;肝毒性;肾毒性;脏器系数;大鼠
基金项目(Foundation): 军事医学科学院创新基金重大项目623
作者(Author): 侯立安;张伟;杨丹凤;林本成;马力;袭著革;
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