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Curr Opin Immunol. 1997 Jun;9(3):344-50.

Natural killer cell receptors.

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Laboratory of Immunogenetics, National Institute of Allergy and Infectious Diseases, National Institutes of Health, 12441 Parklawn Drive, Rockville, Maryland, 20852, USA.


The specificity in the recognition of hematopoietic target cells by natural killer cells is primarily provided by inhibitory receptors and several such receptors have been identified in the past year. Surprisingly, the recognition of MHC class I molecules by inhibitory receptors on human natural killer cells involves two different types of receptors, one with Ig domains (killer cell inhibitory receptor), and another with C-type lectin domains (CD94-NKG2). Mouse natural killer cells recognize MHC class I molecules through the C-type lectin Ly49 receptors but also express a receptor, of unknown ligand specificity, that is related to the killer cell inhibitory receptor.

[Indexed for MEDLINE]

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