A new peptide(37AA) regresses tumors in mice deficient or not in p53 protein
 

If this lab research translates to humans it may become a treatment that overcomes genetic mutations depressing the p53 tumor suppressor protein which let cancer grow.

http://www.jci.org/cgi/content/abstract/JCI28920v1
A p53-derived apoptotic peptide derepresses p73 to cause tumor regression in vivo