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Гены hla ii класса в казахской популяции

Гены hla ii класса в казахской популяции

Abstract

Казахстан населяют различные популяции, такие как казахи, русские, узбеки и др. В настоящем исследовании были изучены аллели генов HLA-DRB1, DQA1, DQB1 у казахов. Всего в 2010-2011 гг. было собрано 157 образцов крови от здоровых индивидуумов казахской национальности. Аллельный полиморфизм HLA-генов класса II был типирован методом прямого секвенирования (sequence based typing SBT). Казахскую популяцию сравнили с другими популяциями мира по частотам аллелей гена HLA-DRB1 и с помощью построения диаграмм на основании метода ближайших соседей и многомерного шкалирования. Статистический анализ выполнен с использованием программы Arlequin v. 3.11. Всего в локусе HLA-DRB1 было выявлено 34 алли, DQA1 17 аллелей и DQB1 19 аллелей. На дендрограмме HLA-DRB1, построенной на основе метода ближайших соседей, казахи вошли в кластер, общий с азиатскими и сибирскими популяциями, в отличие от средиземноморских, европейских и американских популяций. Полученные данные могут быть полезны для понимания генетической составляющей и происхождения казахской популяции. Полученные результаты могут быть использованы в дальнейших популяционных исследованиях и направлении «HLA и болезни».

Kazakhstan has been inhabited by different peoples, such as the Kazakhs, Russians, Uzbeks and others. In the present study for their human leukocyte antigen (HLA)-DRB1 alleles in Kazakhs were studied. A total of 157 blood samples were collected in 2010-2011 from healthy adult Kazakh individuals. HLA-DRB1, allele polymorphisms were typed by sequencebased typing (SBT) method. Allele frequencies, neighbour joining dendrograms and multidimensional scaling analysis have been obtained with comparison with other Kazakhs and worldwide populations. Statistical analyses were performed using Arlequin v. 3.11. In total 34 alleles were detected at the HLA-DRB1 locus, 17 alleles at the HLA-DQA1 and 19 alleles at the HLA-DQB1 locus. HLA-DRB1 neighbor-joining tree shows how the Kazakhs cluster together with Asian and Siberian populations and are separate from Mediterranean populations and also from the European and American populations. The present data may be useful to further understand their genetic background and origination of Kazakh population. Our study is important for further research on population genetics and genetic related diseases in Kazakhs.

Keywords

ПОПУЛЯЦИОННЫЙ ПОЛИМОРФИЗМ, КАЗАХ, АЛЛЕЛИ, ГАПЛОТИПЫ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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