MITF and melanoma: In addition to its role in melanocyte development, MITF also plays a key pro-proliferative role in melanoma (Goding and Arnheiter, 2019, Carreira et al., 2006, Garraway et al., 2005, Giuliano et al., 2010, Hoek and Goding, 2010, Widlund et al., 2002).