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Dual blockade of PD-1 and NKG2A prevents NK cell senescence and reprograms the immunosuppressive microenvironment in pancreatic cancer

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Immune checkpoint blockade (ICB) shows limited efficacy in pancreatic ductal adenocarcinoma (PDAC). Here, we demonstrate that ICB-induced IFN-γ signaling upregulates H2-T23 on pancreatic tumor cells, which interacts with NKG2A on NK cells to induce NK cell se... ...