Journal of Semnan University of Medical Sciences
Toxicological and inhibitory effect of Piroxicam on matrix metalloproteinase expression in comparison with Diclofenac and Dexamethasone
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Abstract
Introduction: Non-steroidal anti-inflammatory (NSAIDs) are used widely for musculoskeletal and other inflammatory conditions. Materials & Methods: In this study, the efficacy and toxic effects of Piroxicam was compared with Diclofenac and Dexamethasone in an in vitro fibrosarcoma cell culture (Wehi 964) model using cytotoxicity analysis and zymography assay. The concentration all the drugs ranged between 10 to 200μg/ml per ml of cell culture (20/000/well) and incubated overnight. Results: The results showed that these drugs produced inhibitory effects on the expression of matrix Metalloproteinase (MMPs), in which Diclofenac was the most cytotoxic. The LD50 for Diclofenac was approximately 20μM compared to 80μM for Piroxicam and Dexamethasone, which had LD50 of 80 μM. In addition, Diclofenac produced caused greater inhibitory effects on cell proliferation and cell death at higher concentration. These effects were found to be correlated with its inhibitory effect on MMPs expression. Conclusion: The above findings indicated that Piroxicam excess an inhibitory effect on expression of MMPs. Thus, this drug can be used in inflammatory conditions.
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© 2004, Author(s). This open-access article is available under the Creative Commons Attribution 4.0 (CC BY 4.0) International License (https://creativecommons.org/licenses/by/4.0/), which allows for unrestricted use, distribution, and reproduction in any medium, provided that the original work is properly cited.
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