The correlation between URB2 expression and tumor mutational burden (TMB) was calculated by the Pearson correlation coefficient. The same calculation procedure was used for microsatellite instability (MSI) and tumor neoantigen burden (TNB). By analyzing the TIMER (https://cistrome.shinyapps.io/timer/) database, the relationship between URB2 expression and CD8 T-cells, B cells, macrophages, CD4 T-cells, dendritic cells, and neutrophils was determined. To explore the composition of the TME, we assessed the existence of infiltrating immune cells in glioma and calculated the ESTIMATEScore, which was estimated by expression data. To investigate the association between immunity and glioma progression, we profiled the expression of immune cells and immune checkpoints in glioma patients in TCGA datasets.
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