Killer cell immunoglobulin-like receptor 3DL1 polymorphism defines distinct hierarchies of HLA class I recognition

Philippa M. Saunders, Phillip Pymm, Gabriella Pietra, Victoria A. Hughes, Corinne Hitchen, Geraldine M. O'Connor, Fabrizio Loiacono, Jacqueline Widjaja, David A. Price, Michela Falco, Maria Cristina Mingari, Lorenzo Moretta, Daniel W. McVicar, Jamie Rossjohn, Andrew G. Brooks, Julian P. Vivian

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Natural killer (NK) cells play a key role in immunity, but how HLA class I (HLA-I) and killer cell immunoglobulin-like receptor 3DL1 (KIR3DL1) polymorphism impacts disease outcome remains unclear. KIR3DL1 (*001/*005/*015) tetramers were screened for reactivity against a panel of HLA-I molecules. This revealed different and distinct hierarchies of specificity for each KIR3DL1 allotype, with KIR3DL1*005 recognizing the widest array of HLA-I ligands. These differences were further reflected in functional studies using NK clones expressing these specific KIR3DL1 allotypes. Unexpectedly, the Ile/Thr80 dimorphism in the Bw4-motif did not categorically define strong/weak KIR3DL1 recognition. Although the KIR3DL1*001, *005, and *015 polymorphisms are remote from the KIR3DL1-HLA-I interface, the structures of these three KIR3DL1-HLA-I complexes showed that the broader HLA-I specificity of KIR3DL1*005 correlated with an altered KIR3DL1*005 interdomain positioning and increased mobility within its ligand-binding site. Collectively, we provide a generic framework for understanding the impact of KIR3DL1 polymorphism on the recognition of HLA-I allomorphs.

Original languageEnglish
Pages (from-to)791-807
Number of pages17
JournalJournal of Experimental Medicine
Volume213
Issue number5
DOIs
Publication statusPublished - 2016

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KIR3DL1 Receptors
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ASJC Scopus subject areas

  • Immunology
  • Immunology and Allergy

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Killer cell immunoglobulin-like receptor 3DL1 polymorphism defines distinct hierarchies of HLA class I recognition. / Saunders, Philippa M.; Pymm, Phillip; Pietra, Gabriella; Hughes, Victoria A.; Hitchen, Corinne; O'Connor, Geraldine M.; Loiacono, Fabrizio; Widjaja, Jacqueline; Price, David A.; Falco, Michela; Mingari, Maria Cristina; Moretta, Lorenzo; McVicar, Daniel W.; Rossjohn, Jamie; Brooks, Andrew G.; Vivian, Julian P.

In: Journal of Experimental Medicine, Vol. 213, No. 5, 2016, p. 791-807.

Research output: Contribution to journalArticle

Saunders, PM, Pymm, P, Pietra, G, Hughes, VA, Hitchen, C, O'Connor, GM, Loiacono, F, Widjaja, J, Price, DA, Falco, M, Mingari, MC, Moretta, L, McVicar, DW, Rossjohn, J, Brooks, AG & Vivian, JP 2016, 'Killer cell immunoglobulin-like receptor 3DL1 polymorphism defines distinct hierarchies of HLA class I recognition', Journal of Experimental Medicine, vol. 213, no. 5, pp. 791-807. https://doi.org/10.1084/jem.20152023
Saunders, Philippa M. ; Pymm, Phillip ; Pietra, Gabriella ; Hughes, Victoria A. ; Hitchen, Corinne ; O'Connor, Geraldine M. ; Loiacono, Fabrizio ; Widjaja, Jacqueline ; Price, David A. ; Falco, Michela ; Mingari, Maria Cristina ; Moretta, Lorenzo ; McVicar, Daniel W. ; Rossjohn, Jamie ; Brooks, Andrew G. ; Vivian, Julian P. / Killer cell immunoglobulin-like receptor 3DL1 polymorphism defines distinct hierarchies of HLA class I recognition. In: Journal of Experimental Medicine. 2016 ; Vol. 213, No. 5. pp. 791-807.
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