作　　者： ; ;

机构地区： 中国医学科学院北京协和医学院药物研究所

出　　处： 《生理科学进展》 2005年第1期29-34,共6页

摘　　要： 固醇调节元件结合蛋白 (sterolregulatoryelement bindingproteins ,SREBPs )是脊椎动物细胞脂质稳态的转录调节物 ,可直接激活多个参与胆固醇、脂肪酸、甘油三酯、磷脂合成和摄取 ,以及辅助因子NADPH等基因的表达 ,从而调控胆固醇及脂肪酸等脂类的代谢过程。本文综述了SREBPs转运和活化的过程 ,以及调节细胞脂质稳态功能的分子机制 。 Lipid homeostasis in vertebrate cells is regulated by a family of membrane-bound transcription factors designated sterol regulatory element-binding proteins (SREBPs). SREBPs directly activate the expression of numerous genes dedicated to the synthesis and uptake of cholesterol, fatty acids, triglycerides, and phospholipids, together with the NADPH cofactor required to synthesize these molecules. In this review, we focus on the mechanism of SREBP trafficking and processing, as well as the molecular aspects of SREBPs in regulating cellular lipid homeostasis; furthermore, we discuss the involvement in the diseases relevant to the disturbance of lipid metabolism.

关 键 词： 固醇调节元件结合蛋白 转录因子 脂质代谢

领　　域： [生物学] [生物学]