Fig. 2From: Characteristics of the synovial microenvironment and synovial mesenchymal stem cells with hip osteoarthritis of different bone morphologiesEnrichment analysis and protein–protein interaction (PPI) analysis. A Gene Ontology (GO) enrichment analysis bar plot of 103 DEGs. B Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway dot plot analysis of 103 DEGs. C PPI analysis with betweenness algorithm. Red nodes: top 20 hub genes. Green nodes: second-level key genes. D AP-1 family members are marked in blue in the top 20 hub genesBack to article page