mTOR Complex 1 Regulates Lipin 1 Localization to Control the SREBP Pathway

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mTOR Complex 1 Regulates Lipin 1 Localization to Control the SREBP Pathway

The nutrient- and growth factor-responsive kinase mTOR complex 1 (mTORC1) regulates many processes that control growth, including protein synthesis, autophagy, and lipogenesis. Through unknown mechanisms, mTORC1 promotes the function of SREBP, a master regulator of lipo- and sterolgenic gene transcription. Here, we demonstrate that mTORC1 regulates SREBP by controlling the nuclear entry of lipi...

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The lipins have been described as metabolic enzymes that regulate lipid biosynthesis and also signaling processes by controlling the cellular concentration of bioactive lipids, phosphatidic acid, and diacylgycerol. In the present work we have studied the subcellular localization and role of lipin-1 in human monocyte-derived macrophages. Human macrophages express lipin-1 isoforms α and β. A tran...

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ژورنال

عنوان ژورنال: Cell

سال: 2011

ISSN: 0092-8674

DOI: 10.1016/j.cell.2011.06.034