TP53 and Kaposi's sarcoma: Moreover, the results of the KEGG pathway analysis suggested that 22 DFGs were mainly related to Kaposi sarcoma-associated herpesvirus infection, Epstein-Barr virus infection, the HIF-1 signaling pathway, the NOD-like receptor signaling pathway, autophagy, proteoglycans in cancer, and the p53 signaling pathway (Figure 2(b)).