p16Ink4a in Melanocyte Senescence and Differentiation

Abstract excerpt

BACKGROUND: The Ink4a-Arf tumor suppressor locus encodes two growth inhibitors, p16 and Arf, both of which are also implicated as effectors in cellular senescence. Because human germline defects in the INK4A-ARF locus are associated with familial melanoma, melanocytes may have unusual INK4A-ARF functions or controls of cell senescence. Because senescence is believed to be an anticancer mechanism, we investigated...

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