Question: are nk cells mhc restricted?
Answer: The term 'non‐MHC‐restricted cytotoxic lymphocytes' encompasses natural killer (NK) cells, NK‐T cells and γδ T cells, all of which derive from a common lymphoid precursor cell but differentiate along separate pathways. ... Expression of appropriate MHC molecules on target cells is inhibitory to NK cell‐mediated lysis.