Killer-cell immunoglobulin-like receptor genotyping and HLA killer-cell immunoglobulin-like receptor-ligand identification by real-time polymerase chain reaction.

H A Hong, A S Loubser, D de Assis Rosa, V Naranbhai, W Carr, M Paximadis, D A Lewis, C T Tiemessen, C M Gray
Author Information
  1. H A Hong: AIDS Virus Research Unit, National Institute for Communicable Diseases, National Health Laboratory Services, Johannesburg, South Africa.

Abstract

The effector function of natural killer (NK) cells is modulated by surface expression of a range of killer-cell immunoglobulin-like receptors (KIRs) that interact with human leukocyte antigen (HLA) class I ligands. We describe the use of real-time polymerase chain reaction (PCR) assays that allow easy and quick detection of 16 KIR genes and the presence/absence of KIR-ligands based on allelic discrimination at codon 80 in the HLA-A/B Bw4 and HLA-C C1/C2 genes. These methods overcome the tedious and expensive nature of conventional KIR genotyping and HLA class I typing using sequence-specific primer (SSP) PCR, sequence-specific oligonucleotide (SSO) hybridization or sequence-based typing (SBT). Using these two cost-effective assays, we measured the frequencies of KIRs, KIR-ligands and KIR/KIR-ligand pairs in a cohort of Black women recruited in South Africa.

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Grants

  1. K01 TW007793/FIC NIH HHS
  2. K01 TW007793-03/FIC NIH HHS
  3. U19 AI051794/NIAID NIH HHS
  4. K01-TW00703-03/FIC NIH HHS

MeSH Term

DNA
DNA Primers
Genotype
HLA Antigens
Humans
Real-Time Polymerase Chain Reaction
Receptors, KIR

Chemicals

DNA Primers
HLA Antigens
Receptors, KIR
DNA

Word Cloud

Created with Highcharts 10.0.0immunoglobulin-likeHLAkiller-cellKIRsclassreal-timepolymerasechainreactionPCRassaysKIRgenesKIR-ligandsgenotypingtypingsequence-specificeffectorfunctionnaturalkillerNKcellsmodulatedsurfaceexpressionrangereceptorsinteracthumanleukocyteantigenligandsdescribeusealloweasyquickdetection16presence/absencebasedallelicdiscriminationcodon80HLA-A/BBw4HLA-CC1/C2methodsovercometediousexpensivenatureconventionalusingprimerSSPoligonucleotideSSOhybridizationsequence-basedSBTUsingtwocost-effectivemeasuredfrequenciesKIR/KIR-ligandpairscohortBlackwomenrecruitedSouthAfricaKiller-cellreceptorreceptor-ligandidentification

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