Abstract:MC1R, the cAMP pathway and the response to solar UV are all elements involved in the growth, differentiation and survival of melanocytes and in malignant melanoma. Here we present a model of melanomagenesis based on the forced expression of MITF-M in the context of MC1R-inactivating variants in a way not dependent on sun exposure. We demonstrate that lentiviral transduction of MITF-M alone leads to consistent transformation of the Hermes4C cell line with inactive MC1R, but not the Hermes3C cell line having a w… Show more
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