徐伟风;朴元国;李延森;李春梅;

• 1:南京农业大学动物科技学院

摘要(Abstract)：

研究环境内分泌干扰物3-甲基-4-硝基酚(3-methyl-4-nitrophenol,PNMC)对公鸡睾丸早期发育的影响。48只1 d龄白羽公鸡随机分成3个组,分别为对照组、10和100 mg·L-1PNMC处理组,连续饮水42 d。检测公鸡的生长性能、睾丸重量和指数、睾丸的结构变化、血清激素水平和睾丸中CYP17A1及其相关基因的表达情况。结果显示:与对照组相比,10 mg·L-1PNMC处理组显著降低公鸡的生长性能;睾丸重量和睾丸指数均无显著性变化;睾丸细精管生精细胞均有不同程度的空泡兼或脱落;血清孕酮和雌二醇水平均无显著性差异,睾酮水平随饮水中PNMC浓度的升高呈递减的趋势;公鸡睾丸中CYP17A1、HSD3B2和CYP19A1有升高的趋势,HSD17B4在10 mg·L-1PNMC组呈降低的趋势,在100 mg·L-1PNMC组呈升高的趋势。结果表明:饮水中添加10 mg·L-1PNMC显著影响了公鸡的生长性能;饮水中添加100 mg·L-1PNMC引起公鸡睾丸细精管生精细胞变性、坏死,造成结构病理损伤,从而对生殖系统造成损伤。

关键词(KeyWords)： 3-甲基-4-硝基酚;睾丸;公鸡;生殖损伤

Abstract:

Keywords:

基金项目(Foundation): 江苏省自然基金面上项目(BK20131315);; “十二五”国家科技支撑计划(2012BAD39B02)

作者(Author): 徐伟风;朴元国;李延森;李春梅;

Email:

DOI:

参考文献(References)：

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