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阿尔茨海默病与2型糖尿病大鼠血清和脑组织β淀粉样蛋白水平表达及两病相关性研究

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摘要 目的探讨阿尔茨海默病(AD)与2型糖尿病(T2DM)大鼠血清与脑组织β-淀粉样蛋白(Aβ)水平的表达及AD与T2DM的相互关系。方法健康雄性SD大鼠60只,随机分为正常对照组、AD模型组、T2DM模型组,每组20只。双侧海马一次性注射聚集态Aβ25-35制作AD模型,高脂、高热卡饲料喂养+用小剂量链脲佐菌素(STZ)腹腔注射的方法复制T2DM大鼠模型,并与正常对照组同步实验。造模成功后2周分离大鼠血清与脑组织,3组分别测定Aβ水平,空腹胰岛素(FINS)水平。结果 AD组与T2DM组血清与脑组织Aβ水平显著高于正常对照组(P<0.05);AD组空腹胰岛素(FINS)水平显著低于正常对照组(P<0.05);AD组中Aβ水平与FINS水平呈负相关(P<0.05)。结论 AD与T2DM的Aβ水平明显增高,FINS水平明显降低,Aβ表达与FINS表达具有相关性,表明T2DM与AD具有一定关系。
出处 《河北医药》 CAS 2012年第22期3386-3387,共2页 Hebei Medical Journal
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