NK cells 2 immune therapy Biology 1 Cytotoxicity 1 Health & Biological Sciences 1 ILC 1 Immunological Synapse 1 MHC-I 1 Microbiology & Immunology 1 NK cell education 1 Perforin 1 adaptive immunity 1 anti-tumor response 1 cancer 1 granzyme 1 hemophagocytic histiocytosis 1 immune regulation 1 immunotherapy 1 lytic granules 1 natural killer cells 1 secretory lysosomes 1 viral infection 1