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Cited by 460

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HLA-C is the inhibitory ligand that determines dominant resistance to lysis by NK1- and NK2-specific natural killer cells.

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Colonna, M, Borsellino, G, Falco, M, Ferrara, G B, Strominger, J L·1993·Proceedings of the National Academy of Sciences

Abstract

Natural killer (NK) cells recognize alloantigens on normal cells. One of these alloantigens correlates with homozygosity for a dimorphism of HLA-C at positions 77-80, which is shared by a number of HLA-C alleles. A second allelic alloantigen correlates with homozygosity for the alternative HLA-C dimorphism, which is shared by the remaining HLA-C alleles. Moreover, NK1- and NK2-specific NK cell lines can be generated by mixed leukocyte cultures in which donor and stimulator are homozygous for the alternative dimorphisms at positions 77-80 of HLA-C. In the present work, the role of HLA-C in NK cell-mediated allorecognition was directly investigated by analyzing the effects produced by transfection of several HLA-C alleles on NK sensitivity of class I-deleted mutant cell lines. Transfection of cells with HLA-C alleles encoding Asn-77-Lys-80 (including HLA-Cw4, -Cw5, and -Cw6) inhibited the lysis of the targets by NK1-specific NK cells, whereas HLA-C alleles encoding Ser-77-Asn-80 (including HLA-Cw1, -Cw7, and -Cw13) protected the targets from NK2-specific NK cells. Thus, HLA-C alleles are the dominant inhibitory ligands that protect targets from lysis by these allospecific NK cells.

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Metadata

Authors
Colonna, M., Borsellino, G., Falco, M., Ferrara, G. B., & Strominger, J. L.
Venue
Proceedings of the National Academy of Sciences
Published
1993-12-15
Volume
90
Issue
24
Pages
12000-12004
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2088564222
Cited by
460
References
1
FWCI
5.25
Type
journal article
Language
en
Open access
bronze

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Colonna, M., Borsellino, G., Falco, M., Ferrara, G. B., & Strominger, J. L. (1993). HLA-C is the inhibitory ligand that determines dominant resistance to lysis by NK1- and NK2-specific natural killer cells. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.90.24.12000

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