Additional file 1.

Figure S1. Effects of simvastatin on receptor activator of nuclear factor κB ligand (RANKL) expression in fibroblast-like synoviocytes (FLSs) from rheumatoid arthritis (RA) patients (patients 1, 2, and 3). FLSs were isolated from three RA patients and cultured in the presence of TNF-α (20 ng/ml) with or without simvastatin (10 to 100 μM) for 24 hours. RANKL expressions were analyzed with RT-PCR (A) and Western blotting (B).

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Kim et al. Arthritis Research & Therapy 2012 14:R187   doi:10.1186/ar4018