Fig. 4From: CTLA-4 correlates with immune and clinical characteristics of gliomaAssociation between CTLA-4 and immune related molecules in glioma. The correlations between CTLA-4 and PD-1, CD40, ICOS, IDO1 in glioma (a) and GBM (c) were analyzed based on TCGA database. The correlations between CTLA-4 and PD-1, CD40, ICOS, IDO1 in glioma (b) and GBM (d) were analyzed based on CGGA databaseBack to article page