淫羊藿苷对去势雌性大鼠骨质疏松的影响

被引:7
|
作者
宋渊 [1 ,2 ]
李盛华 [1 ,2 ]
何志军 [2 ]
张亚维 [2 ]
周明旺 [2 ]
机构
[1] 天津中医药大学
[2] 甘肃省中医院
关键词
淫羊藿苷; 去势; 骨组织; 骨质疏松;
D O I
暂无
中图分类号
R285.5 [中药实验药理];
学科分类号
摘要
目的研究淫羊藿苷对去势雌性大鼠骨质疏松的影响,为开发传统中药治疗骨质疏松症提供理论依据。方法将60只3月龄健康雌性Wistar大鼠随机分为空白对照组(SHAM组,20只),去势造模组(OVX组,20只),淫羊藿苷组(ICA组,20只)。模型建立后ICA组大鼠给予淫羊藿苷(浓度30mg/ml,10ml/kg,1次/d)灌胃90d。处死所有大鼠前采用股动脉取血法采集大鼠血液测定血清雌二醇水平、血碱性磷酸酶(ALP)和抗酒石酸酸性磷酸酶5b(TRAP5b),并且用DEXA骨密度仪检测腰椎、股骨和全身骨密度;断颈法处死后采集双侧股骨,左侧股骨做组织病理学切片,右侧股骨匀浆提取骨组织中的Total RNA,RT-Real Time PCR检测OPG、BMP-2及COL-Ⅰ的mRNA的表达水平。结果 OVX组和ICA组的雌二醇水平均显著低于SHAM组(P<0.01),而ALP水平显著高于SHAM组(P<0.01),OVX组的TRAP5b水平较SHAM组和ICA组显著升高(P<0.01);SHAM组和ICA组的腰椎骨密度和全身骨密度均高于OVX组(P<0.05),SHAM组的股骨骨密度高于OVX组(P<0.05),而ICA组与OVX组差异无统计学意义;SHAM组和ICA组的OPG、BMP-2及COL-Ⅰ的mRNA相对表达量明显高于OVX组(P<0.01);SHAM组和ICA组的骨小梁与皮质骨均无变薄断裂,而OVX组有严重的骨质疏松病变特征。结论淫羊藿苷具有防治去势雌性大鼠骨质疏松的作用。
引用
收藏
页码:400 / 403
页数:4
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