| http://www.w3.org/ns/prov#value | - Accumulating data, including our current study, suggest that adenosine in the tumor micro-environment also represents a potent means by which tumors convert anti-tumor recognition by T cells into tumor-antigen-specific tolerance [25].A2A receptor activation inhibits both CD4+ and CD8+ T-cell proinflammatory cytokine expression [15, 22, 49???51].
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