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Related Experiment Video

Updated: May 15, 2026

An Ex Vivo Tissue Culture Model for Fibrovascular Complications in Proliferative Diabetic Retinopathy

An Ex Vivo Tissue Culture Model for Fibrovascular Complications in Proliferative Diabetic Retinopathy

Published on: January 25, 2019

A decrease in VEGF and inflammatory markers is associated with diabetic proliferative retinopathy.

Arnon Blum¹, Dorina Socea, Rotem Shelly Ben-Shushan

¹Department of Medicine, Baruch-Padeh Medical Center, Poriya15208, Israel. navablum@hotmail.com

European Cytokine Network

|January 19, 2013

Summary

This summary is machine-generated.

Inflammatory and angiogenic markers like hs-CRP and sVCAM-1 were elevated in early diabetic retinopathy stages but decreased in proliferative stages. These markers may help predict diabetic vascular disease progression and guide interventions.

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An Ex Vivo Tissue Culture Model for Fibrovascular Complications in Proliferative Diabetic Retinopathy

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Published on: January 25, 2019

Characterization of a Novel Human Organotypic Retinal Culture Technique

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Published on: June 9, 2021

Area of Science:

Ophthalmology
Endocrinology
Cardiovascular Medicine

Background:

Diabetic retinopathy (DR) is a severe complication of diabetes mellitus (DM), linked to microvascular damage and increased cardiovascular risk.
The progression of DR stages is associated with distinct pathophysiological changes.

Purpose of the Study:

To investigate if inflammatory and angiogenic markers can differentiate stages of type 2 diabetes with diabetic retinopathy.
To determine if these markers predict the development of microvascular damage.

Main Methods:

Seventy-three type 2 diabetic patients were categorized into three groups based on DR severity: no retinopathy, non-proliferative retinopathy, and proliferative retinopathy.
Twenty-three healthy subjects served as controls.
Levels of high-sensitivity C-reactive protein (hs-CRP), soluble vascular cell adhesion molecule 1 (sVCAM-1), and vascular endothelial growth factor (VEGF) were measured.

Main Results:

Patients with no or non-proliferative retinopathy showed significantly higher hs-CRP and sVCAM-1 levels compared to controls.
VEGF levels were not significantly different in early stages but decreased significantly in proliferative retinopathy.
Diabetes duration and HbA1c levels varied between early stages but not between non-proliferative and proliferative stages.

Conclusions:

Elevated inflammatory and angiogenic markers (hs-CRP, sVCAM-1) are present in early stages of diabetic retinopathy.
A decrease in VEGF levels correlates with the progression to proliferative diabetic retinopathy.
These biomarkers may aid in detecting diabetic vascular disease progression and informing early interventions to prevent systemic complications.