GPC4 and glioblastoma: We identified 13 genes overexpressed (log2 fold change > 0.58 and BH adjusted p value < 0.05) in GPC4-high TCGA-GBM subjects over the GPC4-low but downregulated (log2 fold change < −0.58 and BH adjusted p value < 0.05) in the respective TCGA-LUAD cohort (Figure 6A, red).