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Vasc Health Risk Manag. 2008;4(1):115-22.

Endoplasmic reticulum stress and diabetic retinopathy.

Author information

1
Department of Ophthalmology and Visual Science, Chiba University Graduate School of Medicine, Chiba City, Chiba, Japan. tarii@aol.com

Abstract

Endoplasmic reticulum (ER) stress is involved in the pathogenesis of several diseases including Alzheimer disease and Parkinson disease. Many recent studies have shown that ER stress is related to the pathogenesis of diabetes mellitus, and with the death of pancreatic beta-cells, insulin resistance, and the death of the vascular cells in the retina. Diabetic retinopathy is a major complication of diabetes and results in death of both neural and vascular cells. Because the death of the neurons directly affects visual function, the precise mechanism causing the death of neurons in early diabetic retinopathy must be determined. The ideal therapy for preventing the onset and the progression of diabetic retinopathy would be to treat the factors involved with both the vascular and neuronal abnormalities in diabetic retinopathy. In this review, we present evidence that ER stress is involved in the death of both retinal neurons and vascular cells in diabetic eyes, and thus reducing or blocking ER stress may be a potential therapy for preventing the onset and the progression of diabetic retinopathy.

KEYWORDS:

diabetic retinopathy; endoplasmic reticulum stress; neuronal cell death; vascular cell death

PMID:
18629365
PMCID:
PMC2464760
DOI:
10.2147/vhrm.2008.04.01.115
[Indexed for MEDLINE]
Free PMC Article

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