Abstract
While existing local therapies partially restore vision loss from diabetic retinopathy (DR), there is currently no reliable treatment to prevent the onset or stop the progression of the disease. This review seeks to explore the inflammatory molecular mechanisms underpinning DR pathogenesis, which have not been targeted by current interventions. Specifically, this review explores the role of the nucleotide-binding oligomerization domain (NOD)-like receptor (NLR) protein 3 (NLRP3) inflammasome in DR onset and progression. Evidence through clinical trials has begun to note that specific drugs (fenofibrate, metformin) appear effective in slowing DR progression independent of lipid or glucose-lowering, respectively, suggesting that other mechanisms are at play. Novel therapeutics that inhibit the activation of the NLRP3 inflammasome pathway may provide a novel treatment for halting DR progression.
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