GH1 and melanoma: Our RT-qPCR analysis of 24 hr hGH treated human melanoma cells showed a significant dose-dependent increase of mesenchymal markers N-cadherin [> 2-fold in SK-MEL-28, Figure 4a, Supplementary Figure 4 (a, d, g)]] and vimentin [>2-fold in SK-MEL-28, Figure 4b, Supplementary Figure 4 (b, e, h)] RNA.