TP53 and prion disease: The upregulated miRNA signatures are enriched in Prion diseases, Lysine degradation, ECM-receptor interaction, Proteoglycans in cancer, Fatty acid elongation,Pathways in cancer, Cell cycle, FoxO signaling pathway, p53 signaling pathway, TGF-beta signaling pathway, Biosynthesis of unsaturated fatty acids, Viral carcinogenesis, signaling pathways regulating pluripotency of stem cells, Renal cell carcinoma and other biological pathways.