五氯酚钠对雄性小鼠的生殖毒性作用Reproductive Toxicity of Sodium Pentachlorophenol to Male Mice
尹晓晨;曾明;王春香;黄婷;
摘要(Abstract)：
为研究五氯酚钠(PCP-Na)对雄性小鼠的生殖毒性作用,将100只昆明雄性小鼠随机分为5组:3个染毒组、1个阴性对照组(蒸馏水)和1个阳性对照组(环磷酰胺40mg·kg-1).以不同剂量(13.44、26.88、53.76mg·kg-1)PCP-Na经口染毒,连续染毒5d,每天1次.染毒结束后第2d和第23d分两批处死动物,检测精子数量、精子畸形率以及睾丸、附睾重量及其脏器系数的变化.结果表明,PCP-Na染毒结束后第2d,与阴性对照组相比,高剂量组(53.76mg·kg-1)精子畸形率显著增加(p<0.05),睾丸、附睾重量及附睾系数显著下降(p<0.05),其他指标无显著变化(p>0.05).中、低剂量组(26.88、13.44mg·kg-1)各检测指标与阴性对照组均无显著性差异(p>0.05);PCP-Na染毒结束后第23d,与阴性对照组相比,高剂量组(53.76mg·kg-1)精子畸形率显著增加、精子密度显著减少、睾丸和附睾重量显著下降(p<0.05),中剂量组(26.88mg·kg-1)附睾重量显著下降(p<0.05),其他指标均无显著变化(p>0.05);PCP-Na引起的精子畸形以头部畸形为主,主要为无定形,其次为无钩形、香蕉形和尾折叠.以上结果提示,在本实验条件下,PCP-Na对雄性小鼠具有明显的生殖毒性.
关键词(KeyWords)： 五氯酚钠;雄性小鼠;生殖毒性
基金项目(Foundation):
作者(Author): 尹晓晨;曾明;王春香;黄婷;
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