4.2 Article

Identification of four novel KIR2DL2 alleles and two novel KIR2DL3 alleles in an East African population

Journal

HUMAN IMMUNOLOGY
Volume 71, Issue 12, Pages 1251-1254

Publisher

ELSEVIER SCIENCE INC
DOI: 10.1016/j.humimm.2010.09.013

Keywords

KIR2DL2; KIR2DL3; Sequence based typing; Taxonomy based sequence analysis (TBSA); Human leukocyte antigen (HLA)

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Funding

  1. Bill and Melinda Gates Foundation
  2. Canadian Institutes of Health Research (CIHR) through the Grand Challenges in Global Health Initiative [HOP-43135]

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We report four novel KIR2DL2 alleles and two novel KIR2DL3 alleles identified from an East African population using si quence-based typing Sequencing and molecular cloning of exon 4 confirmed that the new 2DL2 alleles were identical to 2DL2*003 except for the following nucleotide differences 2DL2*00601 had a difference at codon 16 (CGC -> CCC) resulting in a coding change from arginine to proline 2DL2*00602 also had this difference at codon 16 as well as a synonymous difference (GAT -> GAC) at codon 31 2DL2*00303 had a synonymous difference (AAA -> AAG) at codon 61 and 2DL2*00304 had a synonymous difference (GGG -> GGA) at codon 75 2DL3*017 was identical to 2D13*005 except at codon 11 (CGG -> CTG arginine -> leucine) and exon 9 codons 297 (CAC -> CGC histidne -> arginine) and 321 (TGA -> AGA stop codon -> arginine) 2DL3*00104 was identical to KIR2DL3*001 except for a synonymous difference (GAG -> GAA) at codon 54 Identification of novel killer cell immunoglobulin-like receptor (KIR) alleles is a testament to the genetic diversity in this population (C) 2010 American Society for Histocompatibility and Immunogenetics Published by Elsevier Inc All rights reserved

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