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循环胆固醇及其相关基因变异在早发型阿尔茨海默病中的作用及机制

The role of circulating cholesterol and its related gene mutations in early-onset Alzheimer,s disease and its mechanism
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摘要 早发型阿尔茨海默病(EOAD)是65岁之前发病的以进行性认知障碍及行为异常为特征的神经系统退行性疾病。作为常染色体显性遗传疾病,E0AD的发病机制主要与基因突变有关。研究表明胆固醇及其相关基因变异参与E0AD发病。胆固醇可能通过载脂蛋白E基因e4等位基因(ApoE崗)介导促进E0AD发生,也可能是EOAD独立于ApoE s4的危险因素,具体作用机制尚不明确。对E0AD患者进行基因检测发现,与胆固醇代谢相关的载脂蛋白A1(ApoA1)基因、载脂蛋白B(ApoB)基因、载脂蛋白C1(ApoC1)基因、载脂蛋白C2(ApoC2)基因、载脂蛋白D(ApoD)基因、载脂蛋白E(ApoE)基因、三磷酸腺苷结合盒AI转运蛋白(ABCA1)基因、三磷酸腺苷结合盒A2转运蛋白(ABCA2)基因、三磷酸腺苷结合盒A7转运蛋白(ABCA7)基因、3-径基-3-甲基戊二酸单酰辅酶A还原酶(HMGCR)基因、分拣蛋白相关受体1(SORL1)均与EOAD有关。现将胆固醇及相关基因变异在EOAD发病机制中的作用做一综述,旨在为EOAD早期诊断提供临床思路,为EOAD的治疗提供新的靶点。 Early-onset Alzheimer's disease(EOAD)is a neurodegenerative disease characterized by progressive cognitive impairment and behavioral abnormalities.The disease develops before the age of 65.EOAD,as an autosomal dominant genetic disease,has a pathogenesis mainly related to gene mutations.Studies have shown that cholesterol and its related gene mutations are involved in the pathogenesis of EOAD.Cholesterol may promote the development of EOAD through the mediation of apolipoprotein E c4 allele(ApoEe4),or it may be a risk factor for EOAD independent of ApoE e4,the mechanism of which remains unclear.Genetic tests in patients with EOAD found that all of the following genes associated with the metabolism of cholesterol were related to the development of EOAD:apolipoprotein Al(ApoAl)gene,apolipoprotein B(ApoB)gene,apolipoprotein Cl(ApoC1)gene,apolipoprotein C2(ApoC2)gene,apolipoprotein D(ApoD)gene,apolipoprotein E(ApoE)gene,ATP-binding cassette transporter Al(ABCA1)gene,ATP-binding cassette transporter A2(ABCA2)gene,ATP-binding cassette transporter A7(ABCA7)gene,3-hydroxy-3-methylglutaryl-co-enzyme A reductase(HMGCR)gene,and sortilin-related receptor 1(SORL1)gene.This review summarizes the role of cholesterol and its related gene mutations in the pathogenesis of EOAD,aiming to shed clinical light on early diagnosis of EOAD and to provide a new target for the treatment of EOAD.
作者 赛米热·沙塔尔 布祖克拉·阿布都艾尼 穆妮热·沙塔尔 雍雨暄 孟新玲 杨新玲 SAIMIRE·Shataer;BUZUKELA·Abuduaini;MUNIRE·Shataer;YONG Yu-Xuan;MENG Xin-Ling;YANG Xin-Ling(Department of Neurology,The Second Affiliated Hospital of Xinjiang Medical University,Urumqi 830063,Xinjiang,China;Department of Emergency,the First Affiliated Hospital of Xinjiang Medical University,Urumqi 830054,Xinjiang,China;Department of Histology and Embryology,Basic Medical College of Xinjiang Medical University,Urumqi 830000,Xinjiang,China;Department of Encephalopathy,Traditional Chinese Medicine Hospital of Xinjiang Uygur Autonomous Region,Urumqi 830000,Xinjiang,China)
出处 《国际神经病学神经外科学杂志》 2020年第5期550-554,共5页 Journal of International Neurology and Neurosurgery
关键词 早发型阿尔茨海默病 胆固醇 基因 early-onset Alzheimer's disease cholesterol gene
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