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Retinal Cell Damage in Diabetic Retinopathy
1Department of Ophthalmology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA.
Cells
|May 13, 2023
Summary
Diabetic retinopathy (DR) causes vision loss by affecting retinal neurons before vascular issues. Early detection and neuroprotection are key to preventing blindness from diabetes mellitus (DM).
Area of Science:
- Ophthalmology
- Endocrinology
- Neuroscience
Background:
- Diabetic retinopathy (DR) is a leading cause of vision loss in working-age adults with diabetes mellitus (DM).
- Historically viewed as a microvascular complication, DR increasingly shows early neuronal dysfunction and neurodegeneration.
- This neurodegeneration may precede vascular pathology, impacting retinal neurons and glial cells.
Purpose of the Study:
- To review diabetic retinopathy (DR), focusing on its neurodegenerative aspects.
- To discuss the mechanisms of retinal neurodegeneration and microvascular complications in DR.
- To explore current and future therapeutic strategies for DR targeting neuronal protection.
Main Methods:
- Literature review of studies on diabetic retinopathy (DR).
- Analysis of structural and functional changes in the retina associated with DR.
- Examination of underlying mechanisms of neurodegeneration and vascular complications.
Main Results:
- Diabetic retinopathy (DR) involves early neuronal dysfunction and neurodegeneration, preceding vascular changes.
- Retinal neurons and glial cells are affected by neurodegeneration in DR.
- Understanding these mechanisms informs new therapeutic approaches.
Conclusions:
- Early detection and treatment of DR are crucial for preserving vision.
- Therapeutic strategies should focus on protecting retinal neurons to prevent vision loss.
- Targeting neurodegeneration offers promising avenues for future DR treatments.
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