老年痴呆的遗传机制研究进展

被引:13
作者
金范莹
张宝荣
机构
[1] 浙江大学医学院附属第二医院神经内科
关键词
阿尔茨海默病; 遗传; 全基因组关联分析;
D O I
10.13376/j.cbls/2014004
中图分类号
R749.16 [];
学科分类号
100203 ;
摘要
老年痴呆症,又称阿尔茨海默病(Alzheimer’s disease,AD),是威胁老年人健康的主要疾病之一。根据发病年龄,AD可分为早发性(early-onset Alzheimer’s disease,EOAD)和迟发性(late-onset Alzheimer’s disease,LOAD)两种,两者均受到遗传因素的影响。目前已知3个致病基因导致家族性EOAD的发病:淀粉样前体蛋白基因(β-amyloid precursor protein,APP)、早老素1基因(presenilin 1,PSEN1)和早老素2基因(presenilin 2,PSEN2)。而近年来在全基因组关联分析(genome-wide association study,GWAS)等新技术的支持下,研究者相继发现并报道了一系列影响LOAD易感性的风险基因多态性位点。试对上述AD相关致病基因和主要风险基因加以简要介绍,深入探索这些基因的功能有助于对AD病理生理机制的认知。
引用
收藏
页码:15 / 26
页数:12
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