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

Killer-cell immunoglobulin-like receptor genotyping and HLA killer-cell immunoglobulin-like receptor-ligand identification by real-time polymerase chain reaction.
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DOI:
10.1111/j.1399-0039.2011.01749.x
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发表时间:
2011-09
期刊:
影响因子:
--
通讯作者:
Gray CM
Gray CM
中科院分区:
医学4区
文献类型:
--
作者:
Hong HA;Loubser AS;de Assis Rosa D;Naranbhai V;Carr W;Paximadis M;Lewis DA;Tiemessen CT;Gray CM

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自然杀伤细胞(NK)的效应器功能受一系列杀伤细胞免疫球蛋白样受体(KIRS)表面表达的调节,KIRS与人类白细胞抗原(HLAI)类配体相互作用。我们描述了实时聚合酶链式反应(PCR)分析的使用,该方法可以方便、快速地检测16个KIR基因,以及基于HLAA/BBW4和HLACC1/C2基因第80位密码子的等位基因辨别来判断KIR配体的存在或不存在。这些方法克服了传统KIR基因分型和使用序列特异性引物(SSP)聚合酶链式反应(SSP)、序列特异性寡核苷酸(SSO)杂交或基于序列的分型(SBT)的传统KIR基因分型和HLAI类分型的繁琐和昂贵的本质。使用这两种经济有效的分析方法,我们测量了在南非招募的一组黑人女性中KIR、KIR配体和KIR/KIR配体对的频率。
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 sixteen 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 priming (SSP) PCR, sequence-specific oligonucleotide (SSO) hybridisation 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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