RBFOX3 and carcinoma: Co-expression of p-ERK/OX-42 also occurred on day 3 and day 18 (Figure 5) following carcinoma cell inoculation, although expression was less than p-ERK/NeuN on day 3 and greater than the contralateral side (data not shown) and in the control group (Figure 6A-aaa) (including Group K2).