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Dadun > Depósito Académico > CIMA (Centro de Investigación Médica Aplicada) > Área de Terapia génica y Hepatología > Hepatología bioquímica > DA - CIMA - Terapia génica y Hepatología - Hepatología bioquímica - Artículos de revista >

S-Adenosylmethionine: a control switch that regulates liver function
Autor(es) : Mato, J.M. (José María)
Corrales, F.J. (Fernando José)
Lu, S.C. (Shelly C.)
Avila, M.A. (Matías Antonio)
Palabras clave : Knockout mouse
Gene expression
Liver injury
Hepatocyte proliferation
Fecha incorporación: 2002
Editorial : Federation of American Society of Experimental Biology
Versión del editor: http://www.fasebj.org/content/16/1/15
ISSN: 1530-6860
Cita: Mato JM, Corrales FJ, Lu SC, Avila MA. S-Adenosylmethionine: a control switch that regulates liver function. FASEB J 2002 Jan;16(1):15-26.
Resumen
Genome sequence analysis reveals that all organisms synthesize S-adenosylmethionine (AdoMet) and that a large fraction of all genes is AdoMet-dependent methyltransferases. AdoMet-dependent methylation has been shown to be central to many biological processes. Up to 85% of all methylation reactions and as much as 48% of methionine metabolism occur in the liver, which indicates the crucial importance of this organ in the regulation of blood methionine. Of the two mammalian genes (MAT1A, MAT2A) that encode methionine adenosyltransferase (MAT, the enzyme that makes AdoMet), MAT1A is specifically expressed in adult liver. It now appears that growth factors, cytokines, and hormones regulate liver MAT mRNA levels and enzyme activity and that AdoMet should not be viewed only as an intermediate metabolite in methionine catabolism, but also as an intracellular control switch that regulates essential hepatic functions such as regeneration, differentiation, and the sensitivity of this organ to injury. The aim of this review is to integrate these recent findings linking AdoMet with liver growth, differentiation, and injury into a comprehensive model. With the availability of AdoMet as a nutritional supplement and evidence of its beneficial role in various liver diseases, this review offers insight into its mechanism of action.
Enlace permanente: http://hdl.handle.net/10171/21491
Aparece en las colecciones: DA - CIMA - Unidad de Proteómica, Genómica y Bioinformática - Artículos de revista
DA - CIMA - Terapia génica y Hepatología - Hepatología bioquímica - Artículos de revista

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