共 5 条
糖尿病加剧大鼠脑缺血损伤及皮层淀粉样蛋白的生成
被引:3
作者:

论文数: 引用数:
h-index:
机构:
机构:
[1] 上海交通大学附属第六人民医院神经内科
基金:
中国博士后科学基金;
关键词:
糖尿病;
脑缺血;
β淀粉样蛋白;
淀粉样前体蛋白;
D O I:
暂无
中图分类号:
R587.1 [糖尿病];
学科分类号:
100201 [内科学];
摘要:
目的探讨糖尿病对缺血所致脑损伤和痴呆相关蛋白表达的影响。方法通过高脂饮食结合小剂量链脲佐菌素(STZ)诱导大鼠糖尿病模型;用大鼠大脑中动脉栓塞(MCAO)模型诱导脑卒中。再灌注1周后,采用免疫组织化学染色观察糖尿病对脑缺血后梗塞灶体积以及皮层神经细胞内淀粉样蛋白(Aβ)及其生成关键酶β-分泌酶(BACE)表达的影响。结果脑缺血后,与正常对照组相比,糖尿病组实验动物梗塞灶体积增大,且皮层存在大量神经元样及活化的胶质细胞样细胞内表达Aβ和BACE。结论糖尿病加剧脑缺血损伤及皮层淀粉样蛋白的表达,可能与糖尿病患者卒中后更为严重的认知功能障碍产生有关。
引用
收藏
页码:422 / 427
页数:6
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