Awakening the sleeping/cancer-protecting angels in mutant p53-expressing human tumors: Emodin, isolated from Rhubarb and others,  increases the expression of tumor suppressors genes, such as  Smad7, p12DOC1/CDK2AP1, TA-p73, TAp63, p53, and others, induces regression of p53-mutated human tumors, via down-regulation of its target gene, 19/August/2018, 12.13 am