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Rationale for CD40 pathway blockade in autoimmune rheumatic disorders.
Valentina Pucino1, David H Gardner2, Benjamin A Fisher1
1Institute of Inflammation and Ageing, College of Medical and Dental Sciences, University of Birmingham, Queen Elizabeth Hospital, Birmingham, UK; National Institute for Health Research, Birmingham Biomedical Research Centre and Department of Rheumatology, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK.
The Lancet. Rheumatology
|January 26, 2024
Summary
The CD40-CD40L pathway is crucial for immune response regulation. Its imbalance is linked to autoimmune diseases, suggesting CD40-CD40L signaling as a potential therapeutic target.
Area of Science:
- Immunology
- Molecular Biology
- Autoimmunity
Background:
- CD40 and its ligand CD40L (CD154) are key members of the tumor necrosis factor receptor superfamily.
- This pathway is expressed on various immune and non-immune cells, playing a vital role in immune response co-stimulation and regulation.
- Dysregulation of the CD40-CD40L pathway is implicated in numerous autoimmune diseases, indicating its involvement in immune tolerance disruption.
Purpose of the Study:
- To investigate the role of the CD40-CD40L co-stimulatory pathway in autoimmune diseases.
- To explore the therapeutic potential of targeting CD40-CD40L signaling for autoimmune disorders.
Main Methods:
- Review of existing literature on CD40-CD40L pathway in immunology and autoimmune diseases.
- Analysis of the involvement of CD40-CD40L signaling in immune tolerance breaches.
Main Results:
- The CD40-CD40L pathway is central to immune cell activation and regulation.
- Imbalances in this pathway are consistently observed in systemic lupus erythematosus, rheumatoid arthritis, and Sjögren's syndrome.
- These findings support the pathway's role in the breakdown of immune tolerance characteristic of these conditions.
Conclusions:
- The CD40-CD40L co-stimulatory pathway is a significant factor in the pathogenesis of autoimmune diseases.
- Targeting CD40-CD40L signaling presents a promising novel therapeutic strategy for managing autoimmune disorders.
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