Suppression of matrix metalloproteinase production from synovial fibroblasts by meloxicam in-vitro

The Journal of Pharmacy and Pharmacology
Kazuhito AsanoTadashi Hisamitsu

Abstract

The aim of this study was to evaluate the influence of meloxicam on the production of both matrix metalloproteinases (MMPs) and tissue inhibitors of metalloproteinases (TIMPs) from human synovial fibroblasts by TNF-alpha stimulation in-vitro. Synovial fibroblasts (2 x 10(4) cells/mL) derived from patients with osteoarthritis were stimulated with 20.0 ng mL(-1) TNF-alpha in the presence of various concentrations of meloxicam. After 24 h, the culture supernatants were obtained and assayed for MMP-1, MMP-2, MMP-3, MMP-13, TIMP-1 and TIMP-2 by ELISA. mRNA expression for MMPs and TIMPs in 4-h-cultured cells were examined by real-time polymerase chain reaction. Transcriptional factor (NF-kappaB and AP-1) activation in 2-h-cultured cells was also examined by ELISA. Meloxicam could suppress MMP production in a dose-dependent manner. The minimum concentration of the agent that showed significant suppression was 0.6 x 10(-6) M for MMP-1, MMP-2 and MMP-3, and 1.3 x 10(-6) M for MMP-13. The ability of synovial fibroblasts to produce TIMPs was also suppressed by meloxicam as in the case of MMP production. Addition of meloxicam into synovial fibroblast cultures inhibited dose-dependently mRNA expression for MMPs and TIMPs, which were increas...Continue Reading

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Citations

Feb 3, 2015·Scandinavian Journal of Medicine & Science in Sports·C T ThorpeH R C Screen
Feb 8, 2007·American Journal of Physiology. Endocrinology and Metabolism·Miriam GranadoAsunción López-Calderón

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