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Complement activation and diabetic vascular complications
Jakob Østergaard1, Troels Krarup Hansen, Steffen Thiel
1The Medical Research Laboratories, Clinical Institute, Medical Department M (Diabetes and Endocrinology), Aarhus University Hospital, Nørrebrogade 44, DK-8000 Aarhus C, Denmark.
Insights
Diabetic kidney disease, a severe complication, involves the complement system. Research reviews this link, exploring new therapeutic targets for diabetic vascular complications.
Area of Science:
- Nephrology
- Immunology
- Endocrinology
Background:
- Diabetes mellitus is a growing global health issue.
- Diabetic nephropathy is a major cause of end-stage renal failure.
- Existing research implicates glycation, growth factors, and hemodynamics in diabetic kidney disease pathogenesis.
Purpose of the Study:
- To review the evidence connecting the complement system to vascular dysfunction in diabetes.
- To specifically focus on the role of the complement system in diabetic kidney disease.
- To explore potential new therapeutic strategies targeting the complement system.
Main Methods:
- Literature review of existing research on the complement system and diabetic vascular complications.
- Analysis of data suggesting the involvement of the MBL pathway of the complement system.
- Examination of current therapeutic interventions and their limitations.
Main Results:
- The complement system, particularly the MBL pathway, is increasingly recognized for its role in diabetic vascular complications.
- Diabetic nephropathy affects a significant percentage of diabetic patients and is a leading cause of renal failure.
- While therapeutic interventions exist, their effectiveness in preventing diabetic vascular complications is limited.
Conclusions:
- The complement system represents a potential therapeutic target for diabetic vascular complications, including diabetic kidney disease.
- Further research is needed to determine if manipulating the complement system offers effective intervention strategies.
- Understanding the complement system's role is crucial for developing novel treatments for diabetic kidney disease.
Abstract:
Diabetes mellitus is a major and increasing health problem worldwide. One of the most serious consequences of diabetes is the development of diabetic angiopathy, which includes cardiovascular disease, neuropathy, retinopathy and nephropathy. Diabetic nephropathy alone affects 15-25% of patients with type 1 diabetes and 30-40% of patients with type 2 diabetes and is the single-most important cause of end-stage renal failure in the Western World. Existing research has demonstrated the involvement of glycation factors, growth factors/cytokines, hemodynamic factors and intracellular changes in the pathogenesis of diabetic kidney disease. An emerging amount of recent data suggests that the complement system, especially the MBL pathway, plays an important role in the pathogenesis of diabetic vascular complications. Although the numerous therapeutic interventions available today may delay the development and progression of diabetes vascular complications, there is an ongoing need for new therapeutic strategies. In this article the evidence for a connection between the complement system and vascular dysfunction will be reviewed, with a special focus on the relation to diabetic kidney disease. Several ways of specifically manipulating the complement system already exist. However, whether or not these drugs provide new targets for intervention on diabetic vascular complications is still unknown.
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