ATP结合框转运子A1的结构、功能及调控的研究进展

被引:3
作者
罗丹
机构
[1] 中国医学科学院中国协和医科大学北京协和医院检验科北京
关键词
ABCA1; 高密度脂蛋白; 胆固醇逆转运; 动脉粥样硬化;
D O I
暂无
中图分类号
R543.5 [动脉疾病];
学科分类号
1002 ; 100201 ;
摘要
ATP结合框转运子A1(ATPbindingcassettetransporterA1,ABCA1)基因突变所引起的Tangier病 (Tangierdisease ,TD)是一种严重的高密度脂蛋白 (HDL)缺陷综合征 ,伴随巨噬细胞内胆固醇沉积 ,明显增加患心血管疾病的风险。临床及动物实验表明 ,ABCA1可以促进胆固醇和磷脂向乏脂或无脂的HDL前体载脂蛋白AⅠ (apoAⅠ )转移 ,启动HDL的生成 ,是血浆HDL水平和冠心病易感性的重要决定因素。许多过程可调节组织中ABCA1的表达和分布。ABCA1在胆固醇代谢 ,清除组织内过多胆固醇 ,预防动脉粥样硬化等方面起着重要作用。本文就ABCA1的结构、功能、基因表达的调控与动脉粥样硬化的关系作一简述。
引用
收藏
页码:252 / 253
页数:2
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