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. 2022 Aug 16;13:4814. doi: 10.1038/s41467-022-32430-w

Fig. 9. Spatial topography of purine signaling in glioblastoma and pediatric high-grade glioma.

Fig. 9

Collectively, data suggests a model in which EGFR activation (adult IDH-WT glioblastoma), PDGFRA activation (pediatric high-grade glioma) and/or hypoxia promote CD73 expression by tumor cells in an inflammatory microenvironment. Spatial co-localization of tumor cell-specific CD73 with microglial CD39 augments adenosine production in the tumor microenvironment, promoting immune tolerance and tumorigenesis through action on multiple cell populations. Created with BioRender.com.