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Published on: December 30, 2025
Diabetic retinopathy and endothelin system: microangiopathy versus endothelial dysfunction
Francesco Saverio Sorrentino1, Silvia Matteini2, Claudio Bonifazzi3
1Department of Surgical Sciences, Unit of Ophthalmology, Ospedale Maggiore, Bologna, Italy. dr.fsorrentino@gmail.com.
Endothelin plays a key role in diabetic complications, particularly retinopathy. Targeting the endothelin system offers a novel approach for early detection and treatment of diabetic microvascular changes.
Area of Science:
- Endocrinology and Metabolism
- Vascular Biology
- Ophthalmology
Background:
- Diabetes is a global epidemic with significant microvascular complications.
- Endothelin is increasingly recognized for its role in diabetic pathogenesis, especially affecting capillary flow and retinopathy.
- Current reviews lack focus on the endothelin system as a therapeutic target for diabetic microangiopathy.
Purpose of the Study:
- To review evidence on the endothelin system's role in diabetic complications.
- To explore endothelin modulation as a therapeutic strategy for diabetes.
- To highlight endothelin as a potential early indicator of diabetic microangiopathy.
Main Methods:
- Review of experimental and clinical evidence.
- Discussion of therapeutic approaches targeting the endothelin system.
- Integration of advanced ophthalmological imaging (OCT angiography) with biochemical markers.
Main Results:
- Experimental and clinical data support endothelin system modulation in diabetes management.
- Inhibition of high endothelin levels shows promise in treating diabetic vasculopathy, particularly retinopathy.
- OCT angiography detects early retinal changes, which, combined with endothelin measurements, can improve early diagnosis.
Conclusions:
- The endothelin system presents a viable therapeutic target and early diagnostic marker for diabetic complications.
- Modulating endothelin levels may offer novel treatment avenues for diabetic retinopathy and other microvascular issues.
- Combining advanced imaging with endothelin monitoring can enhance early detection and management of diabetes-related vascular damage.
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