DUSP1 and lymphoma: Here again, expression of cFOS, MXD1, JUNB, cJUN, and DUSP1 was significantly higher (3.7 fold, 7.1 fold, 3.1 fold, 3.4 fold and 9.1 fold, respectively) in lymphomas with high cytoplasmic NR4A1 content (p < 0.036, Fig. 4a).