Role of oxidative stress, inflammation, hypoxia and angiogenesis in the development of diabetic retinopathy
- PMID: 30581303
- PMCID: PMC6300752
- DOI: 10.1016/j.sjopt.2018.05.002
Role of oxidative stress, inflammation, hypoxia and angiogenesis in the development of diabetic retinopathy
Abstract
Diabetic retinopathy (DR) is a retinal disease which is one of the most severe complications occuring due to diabetes mellitus and is a major cause of blindness. Patients who have diabetes mellitus for number of years develop characteristic group of lesions in the retina which leads to Diabetic retinopathy. It is a multifactorial condition occuring due to complex cellular interactions between biochemical and metabolic abnormalities taking place in all retinal cells. Considerable research efforts in the past 20 years have suggested that the microvasculature of the retina responds to hyperglycemia through a number of biochemical changes, which includes polyol pathway, protein kinase C activation, upregulation of advanced glycation end products formation and renin angiotensin system activation. Various previous studies had suggest that interaction of these biochemical changes may cause a cascade of events, such as apoptosis, oxidative stress, inflammation and angiogenesis which can lead to the damage of a diabetic retina, causing DR. This highlights that oxidative stress, inflammation, angiogenesis-related factors triggers the occurrence of retinal complication in diabetes are highlighted.
Keywords: Angiogenesis; Diabetic retinopathy; Inflammation; Oxidative stress.
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