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外源性已烯雌酚对新生雌性BALB/c小鼠及其胸腺发育的影响 被引量:2

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摘要 为了解外源性给予新生雌性BALB/c小鼠已烯雌酚 (diethylstilbestrol,DES )对小鼠胸腺生长发育的影响 ,并对其作用机制进行初步探讨。给新生雌性BALB/c小鼠 ,在生后 2 4h内颈背部皮下注射DES ,每隔 2 4h注射一次 ,共连续注射 5次。分别在生后 7d、 14d、 2 1d、 35d和 4 9d将小鼠处死 ,称体重和胸腺重量 ,并计算胸腺系数重量 ;在生后 7d、 14d和 4 2d用流式细胞仪对小鼠胸腺细胞的细胞周期进行分析。结果是从生后 7d到 35d ,对照组小鼠的胸腺系数重量显著大于DES组 ,而在生后 4 9d ,DES组胸腺系数重量则显著大于对照组 ;在生后 7d ,对照组小鼠胸腺细胞的S期细胞百分比显著大于DES组 ,而在生后 14d和 4 2d ,对照组和DES组无显著性差异。表明外源性给予新生雌性BALB/c小鼠已烯雌酚对小鼠胸腺的生长发育具有持续性影响 ,这种影响与DES抑制了胸腺细胞的增殖有关。
出处 《现代免疫学》 CAS CSCD 北大核心 2004年第4期333-335,共3页 Current Immunology
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