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Evaluation of the Interplay Between the Complement Protein C1q and Hyaluronic Acid in Promoting Cell Adhesion
Published on: June 15, 2019
Diabetic angiopathy, the complement system and the tumor necrosis factor superfamily
1Medical Department of Endocrinology and Internal Medicine, Aarhus University Hospital and The Medical Research Laboratories, Clinical Institute, Nørrebrogade 44, DK-8000 Aarhus C, Denmark. allan.flyvbjerg@dadlnet.dk
Insights
Diabetic angiopathy, a complication of diabetes mellitus, involves the complement and tumor necrosis factor (TNF) systems. Targeting these pathways, including the mannose-binding lectin pathway, may offer new therapeutic strategies for diabetic vascular complications.
Area of Science:
- Medical Science
- Immunology
- Endocrinology
Background:
- Diabetic angiopathy, a severe complication of diabetes mellitus, leads to cardiovascular disease, retinopathy, nephropathy, and neuropathy.
- Diabetic kidney disease affects a third of diabetic patients and is a primary cause of end-stage renal failure.
- Despite available treatments, diabetic angiopathy remains a leading cause of mortality and morbidity, necessitating novel therapeutic approaches.
Purpose of the Study:
- To explore the potential role of the complement system and tumor necrosis factor (TNF) superfamily in diabetic angiopathy pathogenesis.
- To identify promising biomarkers and therapeutic targets within these systems for diabetic vascular complications.
Main Methods:
- Review of recent data supporting the involvement of complement and TNF superfamily dysregulation in diabetic vascular complications.
- Identification of the mannose-binding lectin pathway as a key component of the complement system implicated in diabetic angiopathy.
- Examination of TNF superfamily members, TRAIL and osteoprotegerin, for their potential role in diabetic angiopathy pathogenesis.
Main Results:
- Dysregulation of the complement system and TNF superfamily members is hypothesized to contribute to diabetic vascular complications.
- The mannose-binding lectin pathway is identified as a promising biomarker and is directly involved in diabetic angiopathy development.
- TRAIL and osteoprotegerin are suggested as potentially involved in the pathogenesis of diabetic angiopathy.
Conclusions:
- The complement and TNF superfamily systems represent potential therapeutic targets for diabetic angiopathy.
- Further research is needed to determine if existing drugs targeting these systems can be effectively used for late diabetic complications.
Abstract:
Among the most serious consequences of diabetes mellitus is the development of diabetic angiopathy, of which the clinical features are cardiovascular disease, retinopathy, nephropathy and neuropathy. Diabetic kidney problems affect up to one third of all patients with diabetes mellitus and are a major cause of end-stage renal failure. Although a huge number of pharmaceutical interventions are available today, diabetic angiopathy remains a leading cause of mortality and morbidity in diabetes mellitus, therefore, an urgent need exists to develop new therapeutic strategies. Recent data support the hypothesis that dysregulation of the complement system and of members of the tumor necrosis factor (TNF) superfamily may be involved in the development of diabetic vascular complications. The mannose-binding lectin pathway-an overall regulatory component of the complement system-is a particularly promising biomarker as it is directly involved in the development of diabetic angiopathy. In addition, two components of the TNF superfamily, namely TRAIL (tumor necrosis factor-related apoptosis-inducing ligand) and osteoprotegerin, may be involved in the pathogenesis of diabetic angiopathy. Several ways of specifically manipulating the complement and TNF superfamily systems already exist, but whether or not these drugs provide new targets for intervention for late diabetic complications is still to be revealed.
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