PXN and glioblastoma: The increasing trend in PXN expression in GBM tissues was further validated using the TCGA dataset (combined with GTEx data), GSE22866 dataset, GSE90598 dataset, and a meta-analysis containing four cohorts (Bredel brain, Gutmann brain, Liang brain, Sun brain, and TCGA brain), as shown in Figures 3(c)–3(f).