Rheumatology, Vol 38, 11-13, Copyright © 1999 by British Society for Rheumatology
JP Pelletier, JA Di Battista, M Zhang, J Fernandes, N Alaaeddine and J Martel- Pelletier
Fibroblasts from human synovial membranes were cultured with nimesulide,
naproxen or dexamethasone. Nimesulide, but not naproxen, showed effects on
the glucocorticoid system that may contribute importantly to its
anti-inflammatory activity. Nimesulide at therapeutically relevant
concentrations induced the intracellular phosphorylation and activation of
glucocorticoid receptors, and activated their binding to the target genes.
Naproxen or dexamethasone markedly reduced the number of glucocorticoid
receptor binding sites, in contrast to nimesulide, which had no significant
effect.
ORIGINAL PAPERS
Effect of nimesulide on glucocorticoid receptor activity in human synovial fibroblasts
Universite de Montreal and Unite de recherche en arthrose, Centre de recherche, Centre Hospitalier de l'Universite de Montreal, Quebec, Canada.
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