Awakening the sleeping/cancer-protecting angels in mutant p53-expressing human tumors: PCGF2/Mel-18 increases the expression of tumor suppressors genes, such as  PTPN14, Rb, p53, TAp63, TAp73, INK4a/ARF, and others, induces regression of p53-mutated human tumors, via down-regulation of its target gene, 5/September/2018, 11.07 am