Common pathways in dementia and diabetic retinopathy: understanding the mechanisms of diabetes-related cognitive decline

RECOGNISED consortium (GA 847749)

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Abstract

Type 2 diabetes (T2D) is associated with multiple comorbidities, including diabetic retinopathy (DR) and cognitive decline, and T2D patients have a significantly higher risk of developing Alzheimer's disease (AD). Both DR and AD are characterized by a number of pathological mechanisms that coalesce around the neurovascular unit, including neuroinflammation and degeneration, vascular degeneration, and glial activation. Chronic hyperglycemia and insulin resistance also play a significant role, leading to activation of pathological mechanisms such as increased oxidative stress and the accumulation of advanced glycation end-products (AGEs). Understanding these common pathways and the degree to which they occur simultaneously in the brain and retina during diabetes will provide avenues to identify T2D patients at risk of cognitive decline.
Original languageEnglish
JournalTrends in Endocrinology & Metabolism
Early online date15 Nov 2021
DOIs
Publication statusEarly online date - 15 Nov 2021

Bibliographical note

Copyright © 2021. Published by Elsevier Ltd.

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