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Báo cáo khoa học: A transcription factor of lipid synthesis, sterol regulatory element-binding protein (SREBP)-1a causes G1 cell-cycle arrest after accumulation of cyclin-dependent kinase (cdk) inhibitors
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Sterol regulatory element-binding protein (SREBP)-1a is a unique mem-brane-bound transcription factor highly expressed in actively growing cells and involved in the biosynthesis of cholesterol, fatty acids, and phospholip-ids. Because mammalian cells need to synthesize membrane lipids for cell replication, the functional relevance of SREBP-1a in cell proliferation has been considered a biological adaptation.
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