应用精子头部银染观察棉酚的遗传效应

被引:1
作者
叶惟三
李梅
王雪迎
刘增华
韩玉华
机构
[1] 中国医学科学院协和医科大学组胚教研室,中国医学科学院协和医科大学组胚教研室,中国医学科学院协和医科大学组胚教研室,中国医学科学院协和医科大学组胚教研室,中国医学科学院协和医科大学组胚教研室北京,北京,北京,北京,北京
关键词
精子头部; 志愿; 出现频率; 诱变剂; 棉酚; 小鼠精子; 银染; 遗传效应; 基因型效应;
D O I
暂无
中图分类号
学科分类号
摘要
棉酚对人类的抗生育效果达99%,精子细胞和粗线初级精母细胞对棉酚最为敏感。棉酚可使大鼠精子尾部损伤,出现局部纤维崩解和尾巴弯曲。已知精子头部形态由多基因控制,诱变剂可引起精子头部形态异常,分析精子头部形态改变已成为检验药物对生精细胞遗传效应的敏感指标。Amés试验及对体内、外淋巴细胞染色体影响的研究表明,棉酚既不是诱变剂、致畸剂,亦非致癌物。本文用银染法观察喂服棉酚一年半小鼠及志愿服棉酚者的精子头部形态,以进一步探讨棉酚对生殖细胞有否遗传效应,为其安全使用提供理论依据。
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页码:127 / 129
页数:3
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