Fig. 1From: Transmembrane signaling molecules play a key role in the pathogenesis of IgA nephropathy: a weighted gene co-expression network analysis studyFlowchart of the present study. GEO, Gene Expression Omnibus; PCA, principal component analysis; FDR, false discovery rate; DEGs, differentially expressed genes; WGCNA, weighted gene co-expression network analysis; PPI, protein–protein interaction; MM, module membershipBack to article page