Figure 1

Immunohistochemical staining of activated p38 and JNK, demonstrating variable levels of nuclear and cytoplasmic expression of p-p38 in primary melanomas (a and b), negative expression of p-p38 in benign nevus (c), variable levels of cytoplasmic and nuclear expression of p-JNK in primary melanomas (d and e) and nuclear expression of p-JNK in benign nevus (f).