TP53 and breast cancer: Among the 15478 genes targeted by the 44 differentially expressed miRNAs, pathway enrichment analysis revealed that the MAPK signaling pathway 278 genes, cell cycle includes 154 targeted genes, Wnt signaling pathway 164 genes, PI3K-Akt signaling pathway 314 genes, breast cancer pathway 137 genes, apoptosis 127 genes, TGF-beta signaling pathway 102 genes, p53 signaling pathway 72 genes, hedgehog signaling pathway 54 genes, notch signaling pathway 59 genes, apoptosis-multiple species 32 genes, and estrogen signaling pathway 120 genes.