Suppr超能文献

HLA-DRB1、-DQA1 和 -DQB1 等位基因和单倍型在挪威第一代巴基斯坦移民中。

HLA-DRB1, -DQA1 and -DQB1 alleles and haplotypes in first-generation Pakistani immigrants in Norway.

机构信息

Department of Pediatric Research, Oslo University Hospital, Rikshospitalet, Oslo, Norway.

出版信息

Scand J Immunol. 2012 Apr;75(4):426-30. doi: 10.1111/j.1365-3083.2011.02669.x.

Abstract

Human leucocyte antigen (HLA) polymorphisms among immigrants from Pakistan have not been well investigated. Immigration to Norway started in the late 1960s for working purposes. From 1975, immigration was mainly for marriages and family reunion. When recruiting couples for a birth cohort study, we ended up with 65.5% of the 374 parents genotyped being closely related. This was also reflected in that 21% of newborns were homozygotes for their DRB1-DQA1-DQB1 genotype. For being able to study HLA class II genes frequencies among unrelated individuals, we had to exclude 195 of the parents from data analysis. High-resolution typing for the DRB1 locus, low/intermediate for the DQA1 locus and resolution genotyping for the DQB1 locus were performed in all the 179 parents and their newborns from the Punjab province of Pakistan. We identified 25 DRB1, nine DQA1 and 14 DRB1 alleles in the 179 unrelated parents included in our analysis. The most frequent alleles were DRB103:01:01 (15.9%) and DRB107:01:01 (15.9%), DQA101:03 (22.1%) and DQB102:01:01 (26.0%). Forty-one haplotypes were identified, including DRB113:02:01-DQA101:02-DQB1*06:03:01, not earlier reported. Supported by the few earlier reports on Pakistani groups living in Pakistan, it appears that alleles found among those living in Norway are of Indo-European or mixed ethnic origin. This study provides the first comprehensive report of HLA class II alleles and haplotypes in Norwegian Pakistani immigrants. When the unrelated parents were compared with all parents genotyped, there were, however, no significant differences in allele frequencies, confirming that consanguineous marriages are usual in Pakistan.

摘要

人类白细胞抗原(HLA)多态性在来自巴基斯坦的移民中尚未得到很好的研究。挪威的移民始于 20 世纪 60 年代后期,主要是为了工作。从 1975 年开始,移民主要是为了结婚和家庭团聚。在为一项出生队列研究招募夫妇时,我们最终对 374 对父母中的 65.5%进行了基因分型,这些父母彼此之间关系密切。这也反映在 21%的新生儿是其 DRB1-DQA1-DQB1 基因型的纯合子。为了能够研究无关个体中的 HLA Ⅱ类基因频率,我们不得不从数据分析中排除 195 对父母。对来自巴基斯坦旁遮普省的 179 对父母及其新生儿进行了 DRB1 基因座的高分辨率分型、DQA1 基因座的低/中度分辨率分型和 DQB1 基因座的分辨率基因分型。在我们的分析中,我们在 179 对无关父母中鉴定出 25 个 DRB1、9 个 DQA1 和 14 个 DRB1 等位基因。最常见的等位基因是 DRB103:01:01(15.9%)和 DRB107:01:01(15.9%)、DQA101:03(22.1%)和 DQB102:01:01(26.0%)。鉴定出 41 个单倍型,包括 DRB113:02:01-DQA101:02-DQB1*06:03:01,这是以前没有报道过的。得到了居住在巴基斯坦的少数巴基斯坦人群体的早期报告的支持,似乎在挪威生活的人所发现的等位基因是印欧语系或混合种族的起源。本研究首次全面报告了挪威巴基斯坦移民的 HLA Ⅱ类等位基因和单倍型。当将无关父母与所有基因分型的父母进行比较时,等位基因频率没有显著差异,这证实了在巴基斯坦近亲结婚是很常见的。

文献AI研究员

20分钟写一篇综述,助力文献阅读效率提升50倍。

立即体验

用中文搜PubMed

大模型驱动的PubMed中文搜索引擎

马上搜索

文档翻译

学术文献翻译模型,支持多种主流文档格式。

立即体验