Fig. 2From: Prognostic biomarkers and therapeutic targets in oral squamous cell carcinoma: a study based on cross-database analysisConstruction and analysis of PPI network of DEGs. a PPI was established by the 261 overlapping DEGs using STRING database; b Cluster 1; c Cluster 2; Upregulated DEGs (red) or downregulated DEGs (blue) is indicated. PPI, protein-protein interaction; DEGs, differentially expressed genes; STRING, search tool for the retrieval of interacting genesBack to article page