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. 2022 Mar 28;13(4):605.
doi: 10.3390/genes13040605.

Polymorphisms in Human IL4, IL10, and TNF Genes Are Associated with an Increased Risk of Developing NSAID-Exacerbated Respiratory Disease

María Luisa Reigada-Rivera  1   2 , Catalina Sanz Lozano  2   3 , Esther Moreno Rodilla  2   4   5 , Asunción García-Sánchez  2   5 , Virginia García-Solaesa  1   2 , Félix Lorente Toledano  2   5   6 , Ignacio Dávila González  2   4   5 , María Isidoro-García  1   2   7
Affiliations

Polymorphisms in Human IL4, IL10, and TNF Genes Are Associated with an Increased Risk of Developing NSAID-Exacerbated Respiratory Disease

María Luisa Reigada-Rivera et al. Genes (Basel). .

Abstract

Background: The role of genetics in non-steroidal anti-inflammatory drugs (NSAID) exacerbated respiratory disease (NERD) is unclear, with different candidates involved, such as HLA genes, genes related to leukotriene synthesis, and cytokine genes. This study aimed to determine possible associations between 22 polymorphisms in 13 cytokine genes.

Methods: We included 195 patients (85 with NERD and 110 with respiratory disease who tolerate NSAIDs) and 156 controls (non-atopic individuals without a history of asthma, nasal polyposis (NP), or NSAID hypersensitivity). Genotyping was performed by sequence-specific primer polymerase chain reaction (PCR-SSP). Amplicons were analyzed by horizontal gel electrophoresis in 2% agarose.

Results: Significant differences in allele and genotype frequency distributions were found in TNF (rs1800629), IL4 (rs2243248 and rs2243250), and IL10 (rs1800896, rs1800871, and rs1800872) genes in patients with NSAID hypersensitivity. In all cases, the minor allele and the heterozygous genotype were more prevalent in NERD. An association of TNF rs1800629 SNP with respiratory disease in NSAID-tolerant patients was also found.

Conclusions: Retrospectively recorded, we found strong associations of NERD with polymorphisms in IL4, IL10, and TNF genes, suggesting that these genes could be involved in the inflammatory mechanisms underlying NERD.

Keywords: NERD; NSAID hypersensitivity; asthma; nasal polyposis; polymorphism.

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Conflict of interest statement

The authors declare no conflict of interest.

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