线粒体缺陷与阿尔采末病

被引:11
作者
张兰
李林
机构
[1] 首都医科大学宣武医院药理研究室北京市脑老化重点实验室!北京
基金
北京市自然科学基金;
关键词
阿尔采末病; 线粒体; 生物能力学; 细胞色素c氧化酶; 基因突变;
D O I
暂无
中图分类号
R749.15 [];
学科分类号
摘要
阿尔采末病( Alzheimer's disease ,AD) 存在线粒体氧化磷酸化异常与线粒体DNA( mtDNA) 缺陷,主要表现为:线粒体呼吸链复合体Ⅳ( 细胞色素c 氧化酶,COX)活性在AD 患者血小板、培养的皮肤成纤维细胞及脑中显著下降。其可能机制是遗传性mtDNA 突变与自由基介导的体细胞mtDNA 突变的共同作用,也可能继发于其它改变。氧化磷酸化缺陷可能与β 淀粉样蛋白(β a myloid) 沉积、微管相关蛋白tau蛋白的异常磷酸化调节有关。
引用
收藏
页码:363 / 366
页数:4
相关论文
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