EGR1 and melanoma: We confirmed EGR1 induction in MM compared to primary melanocytes (NHEM) by qRT-PCR analysis of the EGR1 mRNA expression in seven different melanoma cell lines (A375, Mel Wei, Mel Ju, Mel Juso, Mel Im, SkMel28, and WM3211) and NHEM cultured in 2D (Figure 5A).