Fig. 6From: Comprehensive analysis of key genes associated with ceRNA networks in nasopharyngeal carcinoma based on bioinformatics analysisProtein-protein interaction (PPI) networks. a A PPI network of differentially expressed genes (DEGs) constructed using STRING software. b Most relevant gene sets in the PPI network extracted using MCODE. c Further analysis of DEGs using NetworkAnalyzer. d The top 20 hub genes with the most correlations identified using CytoHubbaBack to article page