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Figure 9 | Arthritis Research & Therapy

Figure 9

From: Inhibition of protein geranylgeranylation induces apoptosis in synovial fibroblasts

Figure 9

siRNA-directed inhibition of Rac1 reduces synovial fibroblast viability and pAkt levels. Synovial fibroblasts were transfected with siRNA against Rac1 or a non-silencing RNA as control, and cultured for 96 hours at which point XTT assays were performed to measure cell viability and lysates were prepared from wells that had been transfected in parallel. (a, b) Lysates were subjected to immunoblotting and probed with anti-Rac (a) or anti-pAkt or actin (b) for normalization. (c) Effect of siRNA on cell viability. ** p < 0.01 for viability of synovial fibroblasts transfected with non-siRNA control versus Rac1 siRNA. Shown is a representative of three independent experiments. siRNA transfection efficiency was greater than 95%.

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