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D-半乳糖联合三氧化铝对大鼠海马β-分泌酶及早老素-1蛋白表达的影响 被引量:1

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摘要 目的探讨D-半乳糖联合染铝的AD大鼠海马结构β-分泌酶(BACE)及早老素-1(PS-1)蛋白的表达。方法 30只SD雄性大鼠随机分2组(n=15)。模型组腹腔注射D-半乳糖60 mg·kg-1·d-1和灌胃三氯化铝500 mg·kg-1·d-1,连用60 d;对照组给予等量生理盐水进行腹腔注射和灌胃。造模后行Morris水迷宫行为学测试和Western印迹杂交。结果模型组大鼠各时间段的平均潜伏期较对照组明显延长(P<0.05);模型组海马结构BACE和PS-1蛋白表达均较对照组明显增强(P<0.01)。结论 D-半乳糖联合三氯化铝能较好地模拟AD的学习记忆障碍和病理学方面的特征,是筛选AD治疗药物靶点一种较理想的动物模型。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2012年第19期4208-4210,共3页 Chinese Journal of Gerontology
基金 辽宁省科学技术计划项目(2010225034)
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参考文献7

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