PFAPA and 12 Common MEFV Gene Mutations  Our Clinical Experience

Farhad Salehzadeh; Maryam Vahedi; Saeid Hosseini-Asl; Sepideh Jahangiri; Shahram  Habibzadeh; Mahsa Hosseini-Khotbesara

IJ Pediatrics

The Scientific Journal of Growth & Development Research Center

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PFAPA and 12 Common MEFV Gene Mutations Our Clinical Experience

Author(s):

Farhad Salehzadeh^1,*,

Maryam Vahedi²,

Saeid Hosseini-Asl³,

Sepideh Jahangiri⁴,

Shahram Habibzadeh⁵,

Mahsa Hosseini-Khotbesara⁶

IJ Pediatrics:Vol. 24, issue 1; 64-68

Published online:Nov 27, 2013

Article type:Research Article

Received:Jan 09, 2013

Accepted:Sep 29, 2013

How to Cite:Farhad SalehzadehMaryam VahediSaeid Hosseini-AslSepideh JahangiriShahram HabibzadehMahsa Hosseini-Khotbesaraet al.PFAPA and 12 Common MEFV Gene Mutations Our Clinical Experience.Iran J Pediatr.24(1):64-68.

Abstract

Objective: Marshall Syndrome or PFAPA is an inflammatory periodic disease characterized by periodic fever, aphthous stomatitis, pharyngitis and cervical adenitis. Although PFAPA is an auto inflammatory disease, it doesn't have genetic basis such as other periodic fevers. This study evaluates the 12 common MEFV gene mutations in patients with PFAPA syndrome. Methods: 21 patients with PFAPA syndrome who had diagnostic criteria were enrolled in this study and 12 common MEFV gene mutations i.e. P369S, F479L, M680I (G/C), M680I (G/A), I692del, M694V, M694I, K695R, V726A, A744S, R761H, E148Q evaluated. All the patients were screened for MEFV gene mutations by a reverse hybridization assay (FMF Strip Assay, Vienna lab, Vienna, Austria) according to the instructions provided by the manufacturer. Findings: The age of patients was between 6 months to 14 years, and 15 were males. Seven patients had heterozygote and one had compound heterozygote (K695R, V725A) mutation. There were 4 alleles M694V, 3 alleles V726A, 1 allele E148Q and 1 allele K694R. No significant difference existed between mutated patients with non-mutated in symptoms like aphthous and stomatitis, duration of attacks, episodes of fever and response to treatment. Gaslini score test was not helpful to predict the probability of gene mutations. Conclusion: About 30 percent of patients had MEFV gene mutations but these mutations did not play a main role in presentation of PFAPA symptoms.

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