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. 2020 Jul 19;12(7):1960. doi: 10.3390/cancers12071960

Figure 1.

Figure 1

Glioblastoma cell immunosuppressive ability and cell-to-cell interactions in the glioma microenvironment. The immunosuppressive tumor microenvironment is created by altering the immune checkpoint molecule expression, immunosuppressive cytokine secretion, extracellular vesicle secretion, and oxygen nutrition status.