Killer-cell immunoglobulin-like receptors (KIR) in severe A (H1N1) 2009 influenza infections

被引：0
作者：
Saray Aranda-Romo
Christian A. Garcia-Sepulveda
Andreu Comas-García
Fernando Lovato-Salas
Mariana Salgado-Bustamante
Alejandro Gómez-Gómez
Daniel E. Noyola
机构：
[1] Universidad Autónoma de San Luis Potosí,Departamento de Microbiología, Facultad de Medicina
[2] Universidad Autónoma de San Luis Potosí,Laboratorio de Genómica Viral y Humana, Facultad de Medicina
[3] Universidad Autónoma de San Luis Potosí,Laboratorio de Inmunología Celular y Molecular, Facultad de Ciencias Químicas
[4] Hospital Central “Dr. Ignacio Morones Prieto”,Departamento de Medicina Interna
来源：
Immunogenetics | 2012年 / 64卷
关键词：
H1N1; Immunogenetics; Influenza; KIR; NK cells; Pandemic influenza;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Introduction of a novel influenza virus into the human population leads to the occurrence of pandemic events, such as the one caused by pandemic influenza A (H1N1) 2009 virus. The severity of infections caused by this virus in young adults was greater than that observed in patients with seasonal influenza. Fatal cases have been associated with an abnormal innate, proinflammatory immune response. A critical role for natural killer cells during the initial responses to influenza infections has been suggested. In this study, we assessed the association of killer-cell immunoglobulin-like receptors (KIRs) with disease severity by comparing KIR gene content in patients with mild and severe pandemic influenza virus infections to a control group. We found that activator (KIR3DS1 and KIR2DS5) and inhibitory (KIR2DL5) genes, encoded in group B haplotypes containing the cB01, cB03 and tB01 motifs, are associated with severe pandemic influenza A (H1N1) 2009 infections. Better understanding of how genetic variability contributes to influenza virus pathogenesis may help to the development of immune intervention strategies aiming at controlling the severity of disease.
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页码：653 / 662
页数：9
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