KIR genotype distribution among patients with multiple myeloma: Higher prevalence of KIR 2DS4 and KIR 2DS5 genes

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KIR genotype distribution among patients with multiple myeloma: Higher prevalence of KIR 2DS4 and KIR 2DS5 genes

INTRODUCTION Natural killer (NK) cells possess an antitumor activity against multiple myeloma cells proven by the susceptibility of plasmocytes to NK lysis. In the early stage of MM, the killing of MM cells is mediated by natural cytotoxicity receptors (NRC) and NKG2D-dependent pathway, while in the late stage, NK cells lose their killing potential against MM cells due to the high expression of...

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KIR genotype distribution among Lebanese patients with Hodgkin's lymphoma

INTRODUCTION In addition to their important role in fighting infection, natural killer cells are cytotoxic to cancer cells. Studies demonstrated that some KIR genes were responsible for the reduction of the risk of Hodgkin's lymphoma (HL) while others were associated with an increased risk of HL. AIM The aim of this study is to assess KIR genotypic distribution in Lebanese patients with Hodgk...

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Distribution of KIR genes in the Iranian population.

Killer-cell immunoglobulin-like receptors (KIR) are a family of inhibitory and activating receptors that are expressed mainly by natural killer cells. The KIR gene family is highly polymorphic, and its genomic diversity is achieved through differences in gene content as well as allelic polymorphism. The number of KIR loci has been reported to be various among individuals and therefore resulting...

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KIR and HLA haplotype analysis in a family lacking the KIR 2DL1-2DP1 genes.

The killer cell immunoglobulin-like receptor (KIR) gene cluster exhibits extensive allelic and haplotypic diversity that is observed as presence/absence of genes, resulting in expansion and contraction of KIR haplotypes and by allelic variation of individual KIR genes. We report a case of KIR pseudogene 2DP1 and 2DL1 gene absence in members of one family with the children suffering from acute m...

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Evolution of killer cell Ig-like receptor (KIR) genes: definition of an orangutan KIR haplotype reveals expansion of lineage III KIR associated with the emergence of MHC-C.

Orangutan (Pongo pygmaeus) MHC-C appears less evolved than human HLA-C: Popy-C is not fixed and its alleles encode only one (C1) of the two motifs for killer cell Ig-like receptor (KIR) ligands. To assess the structure and complexity of the orangutan KIR locus, the complete nucleotide sequence of an orangutan KIR haplotype was determined. The PopyKIR locus is flanked by LILR and FCAR and consis...

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ژورنال

عنوان ژورنال: Meta Gene

سال: 2014

ISSN: 2214-5400

DOI: 10.1016/j.mgene.2014.09.008