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大豆异黄酮对去卵巢大鼠阴道上皮细胞凋亡及BaxmRNA表达的影响

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摘要 目的探讨大豆异黄酮对去卵巢大鼠阴道上皮细胞凋亡及BaxmRNA表达的影响。方法Wistar大鼠50只,随机分为假手术组、模型组、雌二醇对照组、大豆异黄酮3.0g/(kg·d)组和大豆异黄酮0.6g/(kg·d)组,每组10只,给药6周后处死大鼠,分离摘取阴道称其湿质量,应用TURNEL染色及原位杂交方法检测阴道上皮细胞凋亡及BaxmRNA,并应用图像分析系统进行BaxmRNA表达量测定。结果假手术组未见凋亡上皮细胞;大豆异黄酮0.6g/(kg·d)组、大豆异黄酮3.0g/(kg·d)组、雌二醇对照组凋亡上皮细胞数分别为(43.56±7.04)个、(48.21±5.30)个和(27.19±2.56)个,均低于模型组〔(125.09±9.12)个〕,差异有显著性(P<0.01)。大豆异黄酮0.6g/(kg·d)组、大豆异黄酮3.0g/(kg·d)组和雌二醇对照组细胞BaxmRNA灰度值分别为64.37±8.96、69.10±9.75和97.43±10.31,均明显低于模型组(167.42±9.40)和假手术组(12.33±6.84,P<0.01)。结论大豆异黄酮可通过下调BaxmRNA的表达而减少阴道上皮细胞的凋亡。
机构地区 河北大学医学部
出处 《解放军预防医学杂志》 CAS 2009年第1期42-43,共2页 Journal of Preventive Medicine of Chinese People's Liberation Army
基金 河北省保定市科技攻关计划项目课题(No.06F04-6)
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