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BACKGROUND Cholesterol metabolism is tightly regulated by both cholesterol and its metabolites in the mammalian liver, but the regulatory mechanism of triacylglycerol (TG) synthesis remains to be elucidated. Lipin, which catalyzes the conversion of phosphatidate to diacylglycerol, is a key enzyme involved in de novo TG synthesis in the liver via the(More)
Patient W.S. (a 61-year-old woman) and patient T.M. (a 41-year-old man) developed recurrent fevers, polyarthritis, Raynaud's phenomenon and interstitial pulmonary fibrosis without apparent polymyositis. From HeLa cell extracts, sera from both patients immunoprecipitated all species of intact and deproteinised tRNAs. To identify the antibody binding site(More)
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