2003, Número 1
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Gac Med Mex 2003; 139 (1)
Productos finales de glicación avanzada y complicaciones crónicas de la diabetes mellitus
Méndez JD
Idioma: Español
Referencias bibliográficas: 51
Paginas: 49-55
Archivo PDF: 86.20 Kb.
RESUMEN
Objetivo: Revisar en la literatura los avances de la investigación científica en el área de diabetes y sus complicaciones con énfasis particular en el papel que juegan los productos finales de la glicación avanzada (AGEs) en la fisiopatología de las complicaciones crónicas de la diabetes mellitus.
Materiales: Se hizo una selección de los artículos más relevantes sobre este tema, entre los obtenidos en una búsqueda en la base de datos MEDLINE que comprendió de 1985 al 2000.
Resultados:La hiperglucemia causa complicaciones irreversibles macro y microvasculares entre las que se incluyen retinopatía, nefropatía, aterosclerosis, y enfermedad cerebrovascular. Hay evidencia suficiente de que la glicación conduce a modificaciones químicas de proteínas y otras macromoléculas y que esto contribuye a la patogénesis de las complicaciones diabéticas. Se han identificado varios AGEs y sus receptores correspondientes. La inhibición de la formación de AGEs está bajo intensa investigación a fin de prevenir las complicaciones diabéticas. De todos los inhibidores, las amadorinas parecen tener mayor potencial terapéutico.
Conclusiones:Se sabe que un grupo heterogéneo de AGEs se forma por glicación. El mecanismo de formación se ha dilucidado parcialmente, lo que ha dificultado la identificación del producto o los productos precisos que ocasionan el daño in vivo, y también el desarrollo de inhibidores específicos.
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