Somatic p16INK4a loss accelerates melanomagenesis

Abstract excerpt

Loss of p16(INK4a)-RB and ARF-p53 tumor suppressor pathways, as well as activation of RAS-RAF signaling, is seen in a majority of human melanomas. Although heterozygous germline mutations of p16(INK4a) are associated with familial melanoma, most melanomas result from somatic genetic events: often p16(INK4a) loss and N-RAS or B-RAF mutational activation, with a minority possessing alternative genetic alterations...

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