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米非司酮对雄性小鼠繁殖抑制作用研究/Effects of mifepristone (RU-486) on reproductive success in male mice[J]
Authors
GUO Ming-fang
HUANG Xiao-li
+9 more
LIU Ouan-sheng
QIN Jiao
中国科学院新疆生态与地理研究所,新疆乌鲁木齐830011
刘全生
广东省昆虫研究所,广东广州,510260
广东省昆虫研究所,广东广州510260
秦姣
郭明防
黄小丽
Publication date
1 January 2011
Publisher
Abstract
为确定米非司酮抑制雄性小鼠繁殖的有效剂量及其生理机制,以不同浓度米非司酮油溶液灌胃给药,测定了各组雄性小鼠的体重.器官、精子活力及激素等生理指标和繁殖能力.结果表明:不同剂量米非司酮处理对雄性小鼠体重、睾丸鲜重和附睾鲜重无显著影响,对精子数量和活动性影响主要在高剂量时较强,而随着剂量增加,精子的存活率显著降低且畸形率显著增加;高浓度米非司酮可导致雄鼠血清LH上升和睾酮浓度降低:随米非司酮剂量增加,小鼠繁殖成功率呈下降趋势,且显著减少子代数量,但不影响繁殖个体的胎仔数及幼体存活和发育.米非司酮对雄鼠繁殖具有一定的抑制作用,作用机理在于降低精子存活率和增加畸形率,因此具有鼠类两性不育剂的开发应用潜力
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Last time updated on 29/11/2016