ACT & A2AR antagonism ➣ T cells: anti-HER2 CAR+ (135) OT-I (OVA-specific) (388, 396) TDLN-derived (402) Reactive to CMS4 (38) ➣ A2AR antagonists: CPI-444 (396) ZM241385 (38, 135, 402) KW6002 (402) SCH58261 (135, 388) ➣ Breast: E0771- HER2 (135) ➣ Melanoma: B16-OVA (396) ➣ Ovarian: ID8-OVA (388) ➣ Fibrosarcoma: MCA205 (402) 24JK-HER2 (135) ➣ Sarcoma CMS4 (38) ➣ Primary tumor expansion rate ↓ (135, 396) PD-1 ICB (135) IFN-γ (135) ➣ Metastasis formation ↓ (38, 402) Non-myeloablative pretreatment (402) ➣ Survival ↑ (135, 388, 396, 402) PD-1 ICB (135) ↑ Adoptively transferred T cells (396)↑ Tbet, 41BB, CD69 in/on adoptively transferred CD8+ cells (396)↑ IFN-γ+ adoptively transferred T cells (135)↑ Stimulation-induced IFN-γ, TNF-α production by adoptively transferred CD8+ T cells (396)↑ Stimulation-induced IFN-γ production by adoptively transferred CD8+ or CD4+ T cells (402)↑ Tbet, 41BB in/on endogenous CD44+ CD8+ cells (396)↑ Stimulation-induced IL-2, IFN-γ, TNF-α production by endogenous CD8+CD44+ T cells (396)