Fig. 4From: Identification of potential biomarkers for aging diagnosis of mesenchymal stem cells derived from the aged donors A. PPI network of DEGs in samples of MSCs from young (< 65 years of age) and old (> 65) donors. PPI, protein- protein interaction; DEGs, differentially expressed genes. B. Top 13 nodes of PPI networks of DEGs in the samples of MSCs from young (< 65 years of age) and old (> 65) donorsBack to article page