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Disparate associations of HLA class I markers with HIV-1 acquisition and control of viremia in an African population.在一个非洲人群中,HLA Ⅰ类标志物与 HIV-1 获得和病毒血症控制的不同关联。
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2
High-functional-avidity cytotoxic T lymphocyte responses to HLA-B-restricted Gag-derived epitopes associated with relative HIV control.高功能性、高亲和力细胞毒性 T 淋巴细胞对与相对 HIV 控制相关的 HLA-B 限制性 Gag 衍生表位的反应。
J Virol. 2011 Sep;85(18):9334-45. doi: 10.1128/JVI.00460-11. Epub 2011 Jul 13.
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Impact of a functional KIR2DS4 allele on heterosexual HIV-1 transmission among discordant Zambian couples.功能性 KIR2DS4 等位基因对赞比亚异性恋 HIV-1 传播的影响。
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The major genetic determinants of HIV-1 control affect HLA class I peptide presentation.HIV-1 控制的主要遗传决定因素影响 HLA Ⅰ类肽的呈递。
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5
Mind the gap: lack of association between KIR3DL1*004/HLA‐Bw4-induced natural killer cell function and protection from HIV infection.注意差距:KIR3DL1*004/HLA‐Bw4 诱导的自然杀伤细胞功能与预防 HIV 感染之间缺乏关联。
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A high-throughput Taqman approach for the discrimination of HLA-E alleles.一种用于区分HLA-E等位基因的高通量Taqman方法。
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7
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KIR-HLA intercourse in HIV disease.HIV疾病中的杀伤细胞免疫球蛋白样受体-人类白细胞抗原相互作用
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9
The IMGT/HLA database.国际免疫遗传学信息系统/HLA数据库。
Nucleic Acids Res. 2009 Jan;37(Database issue):D1013-7. doi: 10.1093/nar/gkn662. Epub 2008 Oct 5.
10
Human leukocyte antigen class I genotypes in relation to heterosexual HIV type 1 transmission within discordant couples.人类白细胞抗原I类基因型与异性恋不匹配伴侣间1型艾滋病病毒传播的关系
J Immunol. 2008 Aug 15;181(4):2626-35. doi: 10.4049/jimmunol.181.4.2626.

HLA-B 信号肽多态性影响 HIV-1 的获得率,但不影响病毒载量。

HLA-B signal peptide polymorphism influences the rate of HIV-1 acquisition but not viral load.

机构信息

Department of Medicine, University of Alabama at Birmingham, AL 35294-0022, USA.

出版信息

J Infect Dis. 2012 Jun 15;205(12):1797-805. doi: 10.1093/infdis/jis275. Epub 2012 Apr 5.

DOI:10.1093/infdis/jis275
PMID:22492862
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3571229/
Abstract

Human leukocyte antigen alleles influence the immune response to HIV-1. Signal peptides cleaved from those alleles bind to HLA-E and mediate natural killer cell function. Signal peptides of HLA-A and HLA-C proteins carry methionine (Met) at anchor position 2 (P2); those of HLA-B carry Met or threonine (Thr). Different P2 residues alter HLA-E binding to its cognate receptors and may impact HIV-1 acquisition. Among Zambian couples (N = 566) serodiscordant for HIV-1, P2-Met accelerated acquisition in the HIV-1-negative partner (relative hazard [RH], 1.79). Among seroconverting Zambian (n = 240) and Rwandan (n = 64) partners, P2-Met also accelerated acquisition (RH, 1.47 and RH, 1.83 respectively). HLA-B alleles displaying the reportedly protective Bw4 epitope carry P2-Thr. Bw4/P2-Thr and Bw6/P2-Thr showed similar protective effects compared with Bw6/P2-Met. Neither motif was associated with viral load. The influence of HLA-B alleles on HIV/AIDS may derive from multiple motifs in and beyond the mature proteins.

摘要

人类白细胞抗原等位基因影响 HIV-1 的免疫反应。从这些等位基因中切割出来的信号肽与 HLA-E 结合并介导自然杀伤细胞功能。HLA-A 和 HLA-C 蛋白的信号肽在锚定位置 2 (P2) 携带蛋氨酸 (Met);HLA-B 的信号肽携带 Met 或苏氨酸 (Thr)。不同的 P2 残基改变了 HLA-E 与其同源受体的结合,可能会影响 HIV-1 的获得。在感染 HIV-1 血清学不一致的赞比亚夫妇中(N=566),P2-Met 加速了 HIV-1 阴性伴侣的获得(相对危险度 [RH],1.79)。在赞比亚(n=240)和卢旺达(n=64)血清转换的伴侣中,P2-Met 也加速了获得(RH,1.47 和 RH,1.83)。报道具有保护作用的 Bw4 表位的 HLA-B 等位基因携带 P2-Thr。Bw4/P2-Thr 和 Bw6/P2-Thr 与 Bw6/P2-Met 具有相似的保护作用。这两个基序均与病毒载量无关。HLA-B 等位基因对 HIV/AIDS 的影响可能来自于成熟蛋白内外的多个基序。