RA FLS were untreated (PBS) or pretreated with cMYCi (50μM) or HIFi (2μM) o/n before R837 (1μg/ml) stimulation for 6h. Thereafter transcriptional regulation of monokines (A), transcriptional factors (B), metabolic intermediates (C) or oxidative enzymes (G) were determined by realtime RT-PCR, n=4. Conditioned media were obtained from RA FLS untreated (PBS) or pretreated with cMYCi (50μM) or HIFi (2μM) before R837 (1μg/ml) activation for 24h and measuring of Lactate (D) Citrate (E) and Succinate (F) levels by colorimetric assay, n=4. The data are shown as mean ± SEM, * represents p<0.05 and ** denotes p<0.01.