Fig. 4From: Identification of osteoarthritis-characteristic genes and immunological micro-environment features through bioinformatics and machine learning-based approachesGSEA enrichment analysis and ppi network of DEGs. A Gene set active in the OA group. B Gene set active in the normal group. C Protein-protein interaction (PPI) network, red marks indicate upregulated genes, green marks indicate downregulated genesBack to article page