A2AR ➣ Antagonists: ZM241385 (38, 54) ZM241365 (389) SCH58261 (54, 292, 384, 392–394) FSPTP (395) CPI-444 (396) PBF-509 (397) ➣ Breast: 4T1.2 (292) ➣ Melanoma: B16-F10 (292, 384, 389, 394, 395, 397) CL8-1 (38) BRAFV600E-PTEN-deficient mice (393) LWT1 (393) ➣ Colon: CT26 (396) MC38 (396) ➣ NSCLC: PC9a (54) ➣ Bladder: MB49 (395) ➣ HNSCC: Tgfbr1/Pten double KO (392) ➣ Fibrosarcoma: MCA205 (397) ➣ Primary tumor expansion rate ↓ (38, 54, 389, 392, 393, 396) T cells (38) Retained in NUDE micelackingT cells (54) ➣ Metastasis formation ↓ (292, 384, 393, 394, 397) Tumor CD73 (292, 394) Host A2AR (292) T cells, B cells or NK cells (292) Perforin (292) ➣ Survival↑ (384, 396) CD8 T cells > NK cells (394) ↓ CD8+, CD4+ T cells (395)↑ CD8+ T cells (389, 392, 393)↑ CD69 on CD8+ T cells (393)↓ A2AR+ CD8+ T cells (392)↑ IFN-γ+ CD8+ T cells (392)↑ T-bet, 41-BB in/on CD44+CD8+ T cells (396)↑ IFN-γ, TNF-α production by CD8+ T cells (392)↑ stimulation-induced IFN-γ/TNF-αproduction by CD8+ T cells (396)↑ NK cells (393, 395)↑ GzB+ NK cells (292)↓ Tregs (389, 392, 393)↓ PD-1, LAG3, FOXP3 on Tregs (396)↓ A2AR+ Tregs (392)↓ FOXP3 (392)