PMID: 26775371Jan 19, 2016Paper

Familial Mediterranean fever in children from the Aegean region of Turkey: gene mutation frequencies and phenotype-genotype correlation

Turkish Journal of Medical Sciences
Ebru YilmazMakbule Sevgi Mir

Abstract

Familial Mediterranean fever (FMF) is diagnosed by fever episodes with sterile peritonitis, arthritis, pleurisy, and erysipelas-like erythema. The relationship between phenotype and genotype in FMF has not been adequately explained. The aim of this study was to characterize the phenotype and genotype correlation in FMF. Clinical diagnosis of FMF was conducted according to the Tel Hashomer criteria. Pras scoring was used to determine clinical severity. FMF strip assay analysis was used, and the hotspot regions were observed with PCR amplification and automatic DNA sequence analysis method. We showed commonly seen mutations (most frequently M694V) in a study group of 191 patients. The disease severity score of patients with M694V mutation was high on the Pras scoring system. Patients with M694V mutation needed high colchicine dosages to control disease activity. R202Q was the most commonly seen polymorphism in 70 patients. The coexpression of R314R single nucleotide polymorphism on third exon was shown in our study. Moreover, D102D, G138G, and A165A subhaplotypes and E474E, Q476Q, and D510D subhaplotypes were also shown. DNA sequence analysis should be a commonly used method for progress in the field of molecular genetics and for...Continue Reading

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