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Lupus. 2012 Oct;21(11):1166-71. doi: 10.1177/0961203312449494. Epub 2012 May 25.

Association study of IRAK-M and SIGIRR genes with SLE in a large European-descent population.

Author information

  • 1Instituto de Parasitología y Biomedicina López-Neyra, Consejo Superior de Investigaciones Científicas, Spain.

Abstract

OBJECTIVE:

The aim of this study was to evaluate the relevance of genetic variants of interleukin receptor-associated kinase-M (IRAK-M) (rs11465955, rs1624395, rs1152888 and rs1370128) and single immunoglobulin IL1-1R-related molecule (SIGIRR) (rs3210908) genes in systemic lupus erythematosus (SLE) in four independent European-descent populations.

METHODS:

Our study population consisted of a total of 2033 SLE patients and 2357 healthy controls from Spain, Germany, Italy and Argentina. The genotyping was performed using a polymerase chain reaction (PCR) system with pre-developed TaqMan allelic discrimination assay. Genetic association between the genotyped markers was determined by PLINK v1.07.

RESULTS:

After a meta-analysis including these four populations, a trend of association between rs11465955 (P(meta) (-analysis)  = 0.06), rs1370128 (P(meta) (-analysis)  = 0.07) and rs1624395 (P(meta) (-analysis)  = 0.06) polymorphisms was found. However, these differences did not reach statistical significance. In addition, we did not find any association between SLE and the rs1152888 IRAK-M (P(meta) (-analysis)  = 0.13) and the rs3210908 SIGIRR (P(meta) (-analysis)  = 0.40) polymorphisms after the meta-analysis. No evidence of association with IRAK-M haplotypes was found.

CONCLUSION:

These results suggest that the tested variations of IRAK-M and SIGIRR genes do not confer a relevant role in the susceptibility to SLE in European-descent populations.

PMID:
22634523
[PubMed - indexed for MEDLINE]
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