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Título : Heart metabolic disturbances in cardiovascular diseases.
Creador: KARLA GUADALUPE CARVAJAL AGUILERA
RAFAEL MORENO SANCHEZ
Nivel de acceso: Acceso Abierto
Palabras clave : MEDICINA Y CIENCIAS DE LA SALUD
Adenosina Trifosfato metabolismo
Cardiotónicos
Enfermedades Cardiovasculares - Metabolismo
Miocardio - Metabolismo
Miocardio - Patología
Oxigeno - Metabolismo
Adenosine triphosphate - Metabolism
Cardiotonic agents
Cardiovascular diseases - Metabolism
Myocardium - Metabolism
Myocardium - Pathology
Oxygen - Metabolism
Metabolismo energético
Metabolismo del corazón
Glicolisis
Fosforilación oxidativa
Creatina quinasa
L- carnitina
Energy metabolism
Heart metabolism
Glycolysis
Oxidative phosphorylation
Creatine kinase
L-carnitine
Descripción : Myocardial function depends on adenosine triphosphate (ATP) supplied by oxidation of several substrates. In the adult heart, this energy is obtained primarily from fatty acid oxidation through oxidative phosphorylation. However, the energy source may change depending on several factors such as substrate availability, energy demands, oxygen supply, and metabolic condition of the individual. Surprisingly, the role of energy metabolism in development of cardiac diseases has not been extensively studied. For instance, alterations in glucose oxidation and transport developed in diabetic heart may compromise myocardial performance under conditions in which ATP provided by glycolysis is relevant, such as in ischemia and reperfusion. In some cardiac diseases such as ischemic cardiomyopathy, heart failure, hypertrophy, and dilated cardiomyopathy, ATP generation is diminished by derangement of fatty acid delivery to mitochondria and by alteration of certain key enzymes of energy metabolism. Shortage of some co-factors such as L-carnitine and creatine also leads to energy depletion. Creatine kinase system and other mitochondrial enzymes are also affected. Initial attempts to modulate cardiac energy metabolism by use of drugs or supplements as a therapeutic approach to heart disease are described
Editorial : Instituto Mexicano del Seguro Social
Fecha de publicación : 2003
Tipo de publicación: Artículo
Formato: Adobe PDF
Identificador del Recurso : 10.1016/S0188-4409(03)00004-3
Fuente: Archives of Medical Research 34(2):89-99
URI : http://repositorio.pediatria.gob.mx:8180/handle/20.500.12103/3110
Aparece en las colecciones: Artículos Investigadores

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