
Keywords: NK cell, natural killer cell; IL, interleukin; IFN-α, interferon-α; TGF-β, tumor growth factor-β; PD-1, programmed death-1; LAG-3, lymphocyte activation gene-3; TIGIT, T cell immunoglobulin and ITIM domain; MHC, major histocompatibility complex; LAP, LAG-