<prompt> True statement about p53 are all exceptIt regulates ceain genes involved in cell cycleIts increased levels can induce apoptosisIts activity in cells decrease following UV radiation stimulates cell cycleMutations in p53 are the MC genetic alterations seen in human cancer  <response>: TP53 Transcription factor; Has propeies of both an oncogene and a tumour suppressor gene Small arm of Chr 17 17p13.1 Protein product: p53 Guardian of the genome; molecular policeman; critical gatekeeper Li Fraumeni syndrome - Hereditary loss an allele Ca lung, colon, breast LOF mutation of TP53 - MC mutation in 50 cancers 