CDKN2A (Cyclin Dependent Kinase Inhibitor-2A), which is also referred to as p16(INK4A) encodes ARFs (Alternative Reading Frames), or transcript variants. In mice the p16(INK4A) encodes a transcript variant known as p19(ARF), whereas in humans it encodes p14(ARF).p19(ARF) is a key component of a major human tumor suppressor pathway that is responsible for arresting cell-cycle progression and inducing cell death in response to DNA damage and oncogenic stress. It plays an important role as an inhibitor of the MDM2-mediated deg...
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