Estrés oxidativo en las complicaciones microvasculares de la diabetes mellitus tipo 2: mecanismos moleculares y perspectivas terapéuticas
Contenido principal del artículo
Resumen
La diabetes mellitus tipo 2 (DM2) constituye un problema creciente de salud pública por la frecuencia y gravedad de sus
complicaciones microvasculares. Esta revisión analiza el papel del estrés oxidativo (EO), sus fuentes celulares, las vías
metabólicas activadas por la hiperglucemia y su relación con la retinopatía diabética (RD), nefropatía diabética (ND) y
neuropatía diabética (NPD). La evidencia revisada indica que la sobreproducción de especies reactivas de oxígeno (ERO),
activación de las vías del poliol, hexosaminas y proteína cinasa C (PKC), así como la señalización mediada por productos finales
de glicación avanzada (AGEs), convergen en inflamación, disfunción endotelial, aumento de la permeabilidad vascular, hipoxia y
fibrosis. Asimismo, biomarcadores de daño oxidativo y estrategias dirigidas a fortalecer la defensa antioxidante muestran
utilidad potencial, aunque requieren validación clínica. En conclusión, el EO constituye un nexo fisiopatológico central y una
posible diana terapéutica para prevenir la progresión del daño microvascular en la DM2.
Detalles del artículo

Esta obra está bajo licencia internacional Creative Commons Reconocimiento-NoComercial-CompartirIgual 4.0.
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