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Title: Common Genetic Polymorphisms within NFκB-Related Genes and the Risk of Developing Invasive Aspergillosis.
Authors: Lupiañez, Carmen B
Villaescusa, María T
Carvalho, Agostinho
Springer, Jan
Lackner, Michaela
Sánchez-Maldonado, José M
Canet, Luz M
Cunha, Cristina
Segura-Catena, Juana
Alcazar-Fuoli, Laura
Solano, Carlos
Fianchi, Luana
Pagano, Livio
Potenza, Leonardo
Aguado, José M
Luppi, Mario
Cuenca-Estrella, Manuel
Lass-Flörl, Cornelia
Einsele, Hermann
Vázquez, Lourdes
PCRAGA Study Group
Ríos-Tamayo, Rafael
Loeffler, Jurgen
Jurado, Manuel
Sainz, Juan
Keywords: Invasive Aspergillosis;NFκB-related genes;genetic polymorphisms;interaction;susceptibility
Issue Date: 12-Aug-2016
Abstract: Invasive Aspergillosis (IA) is an opportunistic infection caused by Aspergillus, a ubiquitously present airborne pathogenic mold. A growing number of studies suggest a major host genetic component in disease susceptibility. Here, we evaluated whether 14 single-nucleotide polymorphisms within NFκB1, NFκB2, RelA, RelB, Rel, and IRF4 genes influence the risk of IA in a population of 834 high-risk patients (157 IA and 677 non-IA) recruited through a collaborative effort involving the aspBIOmics consortium and four European clinical institutions. No significant overall associations between selected SNPs and the risk of IA were found in this large cohort. Although a hematopoietic stem cell transplantation (HSCT)-stratified analysis revealed that carriers of the IRF4 rs12203592T/T genotype had a six-fold increased risk of developing the infection when compared with those carrying the C allele (ORREC = 6.24, 95%CI 1.25-31.2, P = 0.026), the association of this variant with IA risk did not reach significance at experiment-wide significant threshold. In addition, we found an association of the IRF4AATC and IRF4GGTC haplotypes (not including the IRF4 rs12203592T risk allele) with a decreased risk of IA but the magnitude of the association was similar to the one observed in the single-SNP analysis, which indicated that the haplotypic effect on IA risk was likely due to the IRF4 rs12203592 SNP. Finally, no evidence of significant interactions among the genetic markers tested and the risk of IA was found. These results suggest that the SNPs on the studied genes do not have a clinically relevant impact on the risk of developing IA.
metadata.dc.identifier.doi: 10.3389/fmicb.2016.01243
ISSN: 1664-302X
Appears in Collections:Producción 2020

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