Celecoxib and Cell Death in Rheumatoid Arthritis
Author Information
Author(s): Audo Rachel, Deschamps Véronique, Hahne Michael, Combe Bernard, Morel Jacques
Primary Institution: Institut de Génétique Moléculaire de Montpellier
Hypothesis
Does celecoxib induce apoptosis in rheumatoid arthritis synovial fibroblasts?
Conclusion
Celecoxib does not induce apoptosis as the major death pathway in rheumatoid arthritis fibroblast-like synoviocytes.
Supporting Evidence
- Treatment with celecoxib reduced the viability of rheumatoid arthritis fibroblast-like synoviocytes in a dose-dependent manner.
- Analysis showed that celecoxib-treated cells displayed characteristics of late apoptosis/necrosis rather than early apoptosis.
- Caspase activity was not detected in celecoxib-treated cells, indicating a non-apoptotic cell death pathway.
Takeaway
Celecoxib, a drug used for inflammation, doesn't kill certain cells in the way we thought; instead of causing them to die in a planned way, it makes them die in a different, less controlled way.
Methodology
The study examined the effects of celecoxib on the viability of rheumatoid arthritis fibroblast-like synoviocytes using various assays including MTS and Annexin V staining.
Limitations
The study may not generalize to all patient populations as it used fibroblasts from a limited number of patients.
Participant Demographics
Fibroblasts were isolated from synovium of patients with rheumatoid arthritis who underwent surgery.
Digital Object Identifier (DOI)
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