Diversity of HLA-A, -B, -C, -DRB1, and -DQB1 alleles and haplotypes in Kazakhstani Tatar population and genetic relatedness to other populations
Hajjej A. Abdrakhmanova S. Turganbekova A. Almawi W.Y.
20 February 2024Elsevier B.V.
Gene
2024#896
Background: Kazakhstan is a transcontinental former Soviet Union republic whose present-day population comprises more than 100 ethnic groups. Insofar as Human Leukocyte Antigen (HLA) genotyping is useful for anthropological studies, data on the HLA profile of Kazakhstani Tatars are lacking. Objective: We extend our earlier findings on the unique HLA profile of distinct Kazakhstani populations by examining HLA class I and class II loci in Kazakhstani (Volga) Tatar minority population and its relatedness to those of bordering and worldwide communities. Methods: HLA class I and class II genotypes of the Kazakhstan Tatar minority were analyzed by PCR-SSP and were compared to neighboring populations using Neighbor-Joining (NJ) trees and standard genetic distances (SGD) analysis. Results: In total, 132 HLA alleles were identified in a sample of 103 Kazakhstani Tatars, of which HLA-A*02:01 (20.1 %), -B*07:02 (12.1 %), -C*07:02 (12.7 %), -DRB1*07:01 (18.1 %), and -DQB1*02:01 (19.6 %) were the most frequent. The most frequent two-locus haplotypes were B*07:02 ∼ C*07:02 (10.6 %) B*07:02 ∼ DRB1*15:01 (06.1 %), B*07:02 ∼ DQB1*06:02 (07.1 %), and DRB1*15:01 ∼ DQB1*06:02 (11.6 %). Conclusions: Considering historical data, the close relatedness of Kazakhstani Tatars to European Russians (including Russian Tatars) suggests that Kazakhstani Tatars may be Russian Tatars, who originated from the Volga region, following their massive migrations to central Asia.
Genotypes , Haplotypes , HLA , Kazakhstan , Russia , Tatar
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Department of Immunogenetics, National Blood Transfusion Center, Tunis, Tunisia
Research and Production Center of Transfusion, Kazakhstan Ministry of Health, Astana, Kazakhstan
Department of Biomedical Sciences, School of Medicine, Nazarbayev University, Astana, Kazakhstan
Faculty of Sciences, El-Manar University, Tunis, Tunisia
Department of Immunogenetics
Research and Production Center of Transfusion
Department of Biomedical Sciences
Faculty of Sciences
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