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Investigation of Fc Receptor-Like 3 (FCRL-3) Gene Polymorphism (rs7528684) with Susceptibility to Allergic Asthma in Iranian North-Western Azeri Population by Lida Aslanian-Kalkhoran, Daniel Elieh-Ali-Komi, Mahnaz Sadeghi-Shabestari, Dariush Shanebandi, Zohreh Babaloo, Alireza Razavi, Saeed Sadigh-Eteghad, Tohid Kazemi

Background: Asthma is a clinical setting in which multiple cellular and molecular mechanisms are involved. Additionally, increasing genetic studies have provided evidence that single nucleotide polymorphisms (SNPs) in asthma relevant genes confer susceptibility to the disease. Fc receptor-like (FCRL) 3, a transmembrane molecule basically involved in B-cell signaling, mediates immune-disorders including allergy. Aim of study was to investigate the possible association of rs7528684 SNP in FCRL3 gene with a predisposition to allergic asthma in Iranian North-western Azeri population.
Methods: The frequency of genotypes and alleles of rs7528684 SNP in the FCRL3 gene was determined using the TaqMan genotyping method in 191 asthmatic patients and 186 healthy controls.
Results: The most frequent genotype in patients and control groups were CT (n = 81, 42.4%) and TT (n = 76, 40.9%), respectively. Statistical analysis showed no significant difference in genotype frequency (p = 0.81) and also in frequency of C and T alleles (p = 0.52) between two groups.
Conclusions: Our results revealed no association between the rs7528684 SNP with susceptibility to allergic asthma in the included population. More studies in different ethnic groups will result in more valid conclusions.

DOI: 10.7754/Clin.Lab.2017.170126