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Updated: Jan 21, 2026

Depletion of Specific Cell Populations by Complement Depletion

Depletion of Specific Cell Populations by Complement Depletion

Published on: February 5, 2010

Role of complement in diabetes.

Ramzi A Ajjan¹, Verena Schroeder²

¹Leeds Institute for Cardiovascular and Metabolic Medicine, School of Medicine, University of Leeds, Leeds, United Kingdom.

Molecular Immunology

|August 11, 2019

Summary

This summary is machine-generated.

The complement system plays a key role in diabetes development and vascular complications. Targeting complement proteins may offer new therapeutic strategies for type 1 and type 2 diabetes and their associated vascular issues.

Keywords:

Complement system Diabetes Diabetic vascular complications

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Area of Science:

Immunology
Endocrinology
Vascular Biology

Background:

The complement system is increasingly implicated in the pathogenesis of diabetes mellitus.
Complement activation contributes to both autoimmune processes in type 1 diabetes (T1D) and insulin resistance in type 2 diabetes (T2D).
Diabetic microvascular and macrovascular complications are linked to complement protein activity.

Purpose of the Study:

To review the role of the complement system in diabetes and its vascular complications.
To explore the potential of complement proteins as therapeutic targets for diabetes and its sequelae.

Main Methods:

Review of accumulating evidence from animal and human studies.
Analysis of the mechanisms by which complement proteins influence diabetes pathogenesis and vascular disease.

Main Results:

Complement system activation exacerbates autoimmune responses in T1D and contributes to insulin resistance in T2D.
Complement proteins promote inflammation and thrombosis, leading to vascular occlusion in diabetic complications.
Existing human studies on complement as a therapeutic target are limited and inconclusive.

Conclusions:

The complement system is a significant factor in the development and progression of diabetes and its vascular complications.
Further research is essential to validate complement proteins as therapeutic targets for treating T1D, T2D, and preventing/managing diabetic vascular disease.