TP53 and neoplasm: The MiR34 family is believed to be regulated by p53 in tumor cell contexts, endowing them with roles in cell proliferation and p53-mediated apoptosis (Bommer et al., 2007; Choi et al., 2011; Corney et al., 2007; He et al., 2007; Okada et al., 2014; Raver-Shapira et al., 2007).