(A) Quantitative PCR evaluation of JunD expression in the IL-7 dependent T-cell line, D1. Cells were continuously cultured with IL-7 or without IL-7 for 18 hours, or withdrawn from IL-7 (18 hours) and then re-stimulated for two hours (IL-7 Re-addition). Re-stimulated cells were untreated, treated with DMSO (Vehicle Control), 20 µM JNK inhibitor (JNK inhibitor), or 20 µM p38 MAPK (p38) inhibitor. (***) indicates P<0.0001. (B) Western blot analysis of JunD protein and p38 MAPK protein content, as loading control, of whole cell lysates from D1 cells cultured as stated above. Relative JunD protein indicates JunD protein levels normalized to p38 MAPK (loading control) and compared to the untreated, IL-7 re-addition sample. Results (A, B) are representative of four independent experiments (values in graphs are mean ± SD).