
handle: 10261/27043
[ES] En el presente trabajo se efectúa una recopilación de los estudios más recientes e importantes sobre la relación entre los receptores de membrana con actividad tirosina quinasa intrínseca y el metabolismo lipídico celular, con hincapié en la producción de ácido fosfatídico (PA). Se describen las enzimas fosfolipasa D, que hidroliza la fosfatidilcolina, y diacilglicerol quinasa, que fosforila el diacilglicerol (DG) de distintos orígenes fosfolipídicos, para producir PA. Este PA puede actuar como primer o segundo mensajero, y es una pieza clave en los procesos de transducción de la señal celular, puesto que además sin/e para atenuar los niveles de DG, y producir bis-PA, una molécula con actividad fisiológica desconocida, mediante la reacción de transfosfatidilación.
[EN] The present study deals with the most recent and important studies on the relationship between transmembrane receptors with ligand-dependent tyrosine kinase activity and cellular lipid metabolism, predominantly in generating phosphatidic acid (PA) as a lipid messenger. The signaling function of phosphatidylcholine hydrolysis and diacylglycerol (DG) phosphorylation by phospholipase D and diacylglycerol kinase, respectively, as different sources for PA is also described. PA may play a role in signal transduction as a putative first or second messenger, and acts to reduce levels of DG and to produce bis-PA by phospholipase D - mediated transphosphatidylation.
6 páginas, 5 figuras.
Peer reviewed
Ptiospfiatidic acid, Tyrosine kinase activity, Diacylglycerol kinase, Fosfolipasa D, Phospholipase D, Actividad tirosina quinasa, Diacilglicerol quinasa, Acido fosfatídico, Receptor
Ptiospfiatidic acid, Tyrosine kinase activity, Diacylglycerol kinase, Fosfolipasa D, Phospholipase D, Actividad tirosina quinasa, Diacilglicerol quinasa, Acido fosfatídico, Receptor
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