Article
Impaired regulation of sterol regulatory element binding protein 2 in cholesterol gallstone-susceptible mice.
Biochimica et biophysica acta - 5 Apr 2004
Xu Guoqiang, Müller Oliver, Stange Eduard F, Fuchs Michael
Abstract excerpt
Lipid synthesis is under tight transcriptional control involving sterol regulatory element binding proteins (SREBP1, SREBP2). Rising cellular cholesterol levels prevent SREBP2 from entering the nucleus to directly activate the expression of 3-hydroxy-3-methylglutaryl-coenzyme A reductase (Hmgcr), the key enzyme of cholesterol synthesis. The failure to down-regulate cholesterol synthesis in gallstone-susceptible...
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