TP53 and breast cancer: The interrogation of the publicly available TCGA (The Cancer Genome Atlas) BC dataset (at http://tcga-data.nci.nih.gov/tcga/findArchives.htm [16]) highlighted 13/23 miRNAs as significantly modulated in TP53-mutated (including missense mutations, deletions and insertions) compared to TP53 wild-type BC (Table 1).