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Published on: May 16, 2025
Common and uncommon features of rheumatoid arthritis and chronic obstructive pulmonary disease: clues to a future
1Kennedy Institute of Rheumatology Division, Faculty of Medicine, Imperial College of Science, Technology and Medicine, London, UK. evangelos.andreakos@imperial.ac.uk
Abstract:
Over the last decade it has become apparent that common pathogenic mechanisms are shared between many human chronic inflammatory diseases of unrelated pathology and manifestation. These mechanisms include common inflammatory networks that control tissue destructive and repair processes and their study is of major therapeutic potential as recently demonstrated for TNFalpha. Thus, early studies in rheumatoid arthritis defined TNFalpha as a major therapeutic target, the blockade of which was subsequently proved to be of great efficacy in the clinic. This paved the way for the successful blockade of TNFalpha in various other diseases including Crohn's disease, psoriasis, spondyloarthropathies and juvenile arthritis, although no similar networks with anti-TNFalpha at their apex had previously been demonstrated. In this article, we review the current knowledge of the pathogenic mechanisms involved in rheumatoid arthritis and chronic obstructive pulmonary disease with particular emphasis on the role of inflammatory cytokines, chemokines, and tissue degrading enzymes as revealed by studies in the laboratory and the clinic. Direct comparison of these mechanisms may provide clues for a future therapy for these painful and incurable diseases.
Insights
Chronic inflammatory diseases share common pathogenic mechanisms, particularly involving tumor necrosis factor-alpha (TNFa). Comparing rheumatoid arthritis and COPD reveals therapeutic targets for these incurable conditions.
Area of Science:
- Immunology
- Pathophysiology
- Pharmacology
Background:
- Chronic inflammatory diseases share common pathogenic mechanisms, despite diverse pathologies.
- Inflammatory networks controlling tissue destruction and repair are key therapeutic targets.
- Tumor necrosis factor-alpha (TNFa) blockade is effective in rheumatoid arthritis and other inflammatory conditions.
Purpose of the Study:
- To review pathogenic mechanisms in rheumatoid arthritis (RA) and chronic obstructive pulmonary disease (COPD).
- To emphasize the role of inflammatory cytokines, chemokines, and tissue-degrading enzymes.
- To identify potential therapeutic strategies by comparing RA and COPD pathogenesis.
Main Methods:
- Literature review of laboratory and clinical studies.
- Analysis of inflammatory networks in RA and COPD.
- Comparative analysis of pathogenic mechanisms.
Main Results:
- Identified shared inflammatory pathways in RA and COPD.
- Highlighted the role of TNFa, cytokines, chemokines, and enzymes.
- Demonstrated therapeutic potential of targeting these pathways.
Conclusions:
- Comparative analysis of RA and COPD pathogenesis offers insights into future therapies.
- Targeting common inflammatory mechanisms holds promise for treating chronic inflammatory diseases.
- Further research into shared pathways may lead to novel treatments for incurable diseases.
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