Thus, we analyzed the expression of a panel of common M1 (IL-1b, IL-12, iNOS, TNFα) and M2 (TGFβ, IL-10, ARG1) phenotype markers and the immune suppressive PD-L1 (CD274) in control and Pdpn-deleted BMDM co-cultivated with four different glioma cell lines (Figures S2C-K). This evidence concerns the gene ARG1 and central nervous system cancer.