Major histocompatibility complex genes determine natural killer cell tolerance.


Murine natural killer (NK) cell subsets, as defined by expression of members of the Ly49 gene family, discriminate target cells expressing different major histocompatibility complex (MHC) class I alleles. For example, Ly49A+ NK cells lyse H-2b but not H-2d tumor target cells. The specificity arises because Dd on target cells binds to Ly49A, transducing an… (More)


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