作者: M Colonna , E. Brooks , M Falco , G. Ferrara , J. Strominger
关键词: Interleukin 12 、 Biology 、 Natural killer cell 、 Human leukocyte antigen 、 Major histocompatibility complex 、 Immunology 、 Lymphokine-activated killer cell 、 Interleukin 21 、 KIR Ligand 、 Molecular biology 、 Hybrid Resistance
摘要: The cytotoxicity of human natural killer (NK) cells is modulated by the major histocompatibility complex leukocyte antigen (HLA)-C molecules on surface target cell. Alloreactive NK specific for NK-1 alloantigen could be reproducibly generated from individuals that were homozygous HLA-C with asparagine at residue 77 and lysine 80 [HLA-C(Asn77,Lys80)] stimulation HLA-C(Ser77,Asn80); reciprocal yielded NK-2 alloantigen. However, neither cell stimulated generation alloreactive heterozygous individuals. Thus, these data reveal an unanticipated difference between alloreactivity defined this system murine "hybrid resistance."