نتایج جستجو برای: KIR
تعداد نتایج: 2174 فیلتر نتایج به سال:
Introduction: Killer-cell Immunoglobulin-like Receptors (KIR) are the members of inhibitory and activating receptors expressed chiefly by the natural killer cells (NK). KIR proteins operate as receptors detecting human leukocyte antigen class Ι molecules (HLA). KIRs and their class Ι HLA ligands contribute in the pathogenesis of many kinds of diseases. The aim of this study was to genotypic ana...
Background: Killer cell immunoglobulin-like receptors (KIR) are expressed on NK cells and a subset of T cells. The variable KIR receptors along with their ligands, HLA class I, influence risk for autoimmune and malignant diseases. Objective: To investigate the KIR gene profiles in relation to susceptibility to Graves’ disease in patients with ophthalmopathy. Methods: KIR genes profiles were ana...
ATP-sensitive potassium channels are an octomeric complex of four pore-forming subunits of the Kir 6.0 family and four sulfonylurea receptors. The Kir 6.0 family consists of two known members, Kir 6.1 and Kir 6.2, with distinct functional properties. The tetrameric structure of the pore-forming domain leads to the possibility that mixed heteromultimers may form. In this study, we examine this b...
We analyzed the effects of acute ischemia-reperfusion (KIR) injury on the status of kidney function and architecture in dipeptidyl peptidase4-difficient (DPP4D) rats and the effect of remote small bowel ischemia-reperfusion (BIR) preconditioning. DPP4-deficient (DPP4D) and normal Fischer344 (F344) rats were divided into 6 groups: (1) sham-F344, (2) sham-DPP4D, (3) KIR-F344 (4) KIR-DPP4D, (5) DP...
The killer cell immunoglobulin-like receptors (KIR) are a recently discovered family of activating and inhibitory receptors which control natural killer (NK) cell function. KIR exist as a diverse family of receptors that have evolved rapidly by both gene duplication and recombination events. These findings were unexpected for a family of genes involved primarily in the innate immune response. H...
Killer Ig-like receptors (KIR) are expressed by human NK cells and T cells. Although Ag-specific cytolytic activity and cytokine production of KIR(+) T cells can be inhibited by KIR ligation, the effect of KIR on proliferation is unclear. KIR(+) T cells have been reported to have a general proliferative defect. To investigate whether KIR(+) T cells represent end-stage dysfunctional T cells, we ...
Killer Immunoglobulin-Like Receptor Allele Determination Using Next-Generation Sequencing Technology
The impact of natural killer (NK) cell alloreactivity on hematopoietic stem cell transplantation (HSCT) outcome is still debated due to the complexity of graft parameters, HLA class I environment, the nature of killer cell immunoglobulin-like receptor (KIR)/KIR ligand genetic combinations studied, and KIR+ NK cell repertoire size. KIR genes are known to be polymorphic in terms of gene content, ...
Background: Natural Killer (NK) cells, through mechanisms such as cytotoxicity and cytokine production, are among the first line of defence against infections. The ability of NK cytotoxicity is related to Killer cell immunoglobulin-like receptors (KIR) found on the cell surface. Interaction between KIRs and human leukocyte antigen (HLA) class I molecules regulate NK cells responses to eliminate...
Background: Interaction between killer cell immunoglobulin-like receptors (KIR) and human leukocyte antigen (HLA) class I molecules is important for regulation of natural killer (NK) cell function. Objective: The aim of this study was to investigate the impact of compound KIR-HLA genotype on susceptibility to acute leukemia. Methods: Cohorts of Iranian patients with acute myeloid leukemia (AML;...
Purpose: In 2010, a Children's Oncology Group (COG) phase III randomized trial for patients with high-risk neuroblastoma (ANBL0032) demonstrated improved event-free survival (EFS) and overall survival (OS) following treatment with an immunotherapy regimen of dinutuximab, GM-CSF, IL2, and isotretinoin compared with treatment with isotretinoin alone. Dinutuximab, a chimeric anti-GD2 monoclonal an...
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