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. 2019 Feb;46(1):1043-1055.
doi: 10.1007/s11033-018-4563-3. Epub 2019 Jan 2.

KIR gene presence/absence polymorphisms and global diversity in the Kirgiz ethnic minority and populations distributed worldwide

Hong-Dan Wang  1   2 , Xiao-Ye Jin  1 , Yu-Xin Guo  1 , Qian Zhang  2 , Yu-Wei Zhang  2 , Xin Wang  2 , Bo-Feng Zhu  3
Affiliations

KIR gene presence/absence polymorphisms and global diversity in the Kirgiz ethnic minority and populations distributed worldwide

Hong-Dan Wang et al. Mol Biol Rep. 2019 Feb.

Abstract

Killer cell immunoglobulin like receptor genes expressed by the natural killer cells and T cells of some subclasses are one of the very diversity and complex gene families on chromosome 19q13.4 which play key developmental role in the fight against viral infections, malignantly transformed cells and so on in the first line. As potential markers, KIRs have received more and more attention for some infections and diseases which have some clinical outcomes. In addition, the KIRs are diverse in different populations due to the distinctive alleles and haplotypes, may contribute to understand the genetic relationships among populations. To data, there is no report on the KIR gene polymorphism of the Kirgiz ethnic minority. The purpose of this paper is to determine the KIR gene diversity: KIR gene presence/absence polymorphisms, haplotype/genotype polymorphisms and these polymorphisms between populations distributed worldwide. In this study, we have genotyped the 19 KIR genes: KIR2DL1-4, 2DL5A, 2DL5B, 2DS1-3, 2DS4*FUL, 2DS4*DEL, 2DS5, 3DL1-3, 3DS1, 2DP1, 3DP1*FUL and 3DP1*DEL, and two unique genotypes are found in two Kirgiz individuals. The PCA plot, Neighbor-Joining tree analysis and MDS plot are conducted and the groups of the same language family gather together basically. KIR gene diversity study of populations distributed in different parts of the world. shows that KIRs can be used as a supplement for human genetic researches.

Keywords: Genetic diversity; Killer cell immunoglobulin-like receptors (KIRs); Kirgiz ethnic minority; PCR-SSP.

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