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早期糖尿病大鼠股骨头病变及醛糖还原酶活性研究

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摘要 目的观察早期糖尿病大鼠股骨头形态的变化,探讨早期糖尿病大鼠股骨头组织醛糖还原酶(AR)活性变化。方法建立速发型糖尿病大鼠(STZ)模型,光镜下观察各组股骨头结构;电镜下观察股骨头超微结构;各组股骨头组织匀浆生化检测AR的活性。结果早期糖尿病大鼠股骨头,骨小梁排列较稀疏,骨小梁厚度变窄,数量减少,骨小梁明显变细、间距加宽,小梁间出现较多空白区域,电镜下观察,骨小梁排列稀疏,骨小梁间隙增宽,部分区域骨小梁出现断裂、游离残端,三维结构受到破坏,骨小梁出现缺失。随病情发展,AR活性增大。结论糖尿病大鼠股骨头的早期,骨吸收大于骨形成,出现骨质疏松倾向变化。组织AR活性增大。
作者 蔡吓明
出处 《中外医疗》 2009年第28期27-27,共1页 China & Foreign Medical Treatment
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