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罗格列酮对OLETF鼠股骨骨密度及骨形成蛋白-2表达的影响 被引量:1

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摘要 目的探讨罗格列酮对OLETF鼠股骨骨密度(BMD)及骨形成蛋白-2(BMP-2)表达的影响及机制。方法 OLETF雄性大鼠20只,定期口服葡萄糖耐量试验(OGTT)监测血糖。喂养至30 w时,共有成模的2型糖尿病(T2DM)OLETF大鼠12只,随机分为罗格列酮组和模型组(每组6只),LETO鼠8只作为对照组,各组均给药12 w。双能X-线骨密度仪(DEXA)测定股骨BMD。股骨经固定、脱钙后,制成切片,光镜观察其病理变化,并运用免疫组化方法对BMP-2表达情况进行检测,应用图像分析软件进行分析。结果与模型组相比,罗格列酮组股骨BMD及成骨细胞BMP-2阳性表达强度明显降低(P<0.01),对照组BMD及BMP-2阳性表达强度明显升高(P<0.01)。结论 2型糖尿病本身可干扰成骨细胞功能和活性,而罗格列酮对自发肥胖型T2DM大鼠股骨有加重损害作用。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2011年第8期1382-1384,共3页 Chinese Journal of Gerontology
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参考文献14

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