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环境雌激素双酚A对小鼠睾丸功能的影响 被引量:4

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摘要 为探讨双酚A(bisphenol A,BPA)对雄性小鼠睾丸功能的影响及可能机制,用低剂量(50μmol/kg)、中剂量(250μmol/kg)、高剂量(500μmol/kg)的BPA连续5 d对雄性小鼠腹腔注射给药0.1 ml,以注射E2为阳性对照,阴性对照组腹腔注射等体积大豆油溶剂,首次给药15 d后对小鼠睾丸及附睾的脏器系数、精子数、活动精子百分率、精子畸形率进行统计分析,并对睾丸进行组织病理学研究。结果表明:BPA处理后,小鼠睾丸重量、附睾重量变化不显著;睾丸和附睾脏器系数变化不显著;精子数下降,其中BPA中剂量组下降显著(P<0.05),BPA高剂量组下降极显著(P<0.01);活动精子率下降,其中BPA高剂量组显著下降(P<0.05);精子畸形率BPA各剂量组均升高非常明显(P<0.05);BPA各处理组睾丸精细小管排列出现了松散现象,睾丸间质出现不同程度的水肿,睾丸间质细胞分布稀疏,精细小管管腔内生殖细胞排列层次发生不同程度的紊乱,生殖细胞周围的Sertoli细胞数目稀少,Sertoli细胞脱落到管腔,管腔内的精子细胞数目稀少,损伤程度随BPA浓度增加而愈加严重。认为BPA对雄性小鼠的睾丸功能有损伤作用,并可能对子一代的发育有不良影响。
出处 《江苏农业科学》 CSCD 北大核心 2008年第1期231-234,共4页 Jiangsu Agricultural Sciences
基金 国家自然科学基金(编号:30470966) 徐州师范大学科研基金(编号:04XLB17)
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参考文献12

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