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Common Familial Mediterranean Fever gene mutations in a Turkish cohort

Abstract

Familial Mediterranean Fever (FMF) is an autosomal recessive autoinflammatory disorder with the responsible gene of MEFV which primarily affects Jewish, Armenian, Turkish and Arab populations. The FMF gene (MEFV) has recently been cloned to chromosome 16p, which encodes pyrin. In the present study, we enrolled 2,067 unrelated patients with the suspicion of FMF in Middle Anatolia between the years 2006–2009 and identified the 12 MEFV mutations. DNA was amplified by PCR and subjected to reverse hybridization for the detection of MEFV gene mutations. Among the 2,067 patients, 866 (41.9%) were males and 1,201 (58.1%) were females. The mutations were homozygous in 176 (16.85%) patients, compound heterozygous in 314 (30.1%) patients, heterozygous in 546 (52.25%) patients and the other forms of mutations were found in 8 patients (0.76%). No mutation was detected in 1,023 (49.5%) patients. The most frequent mutations were M694V, M680I (G/C), E148Q and V726A. We could not find any significant differences between the two common mutations according to the gender. The high incidence of MEFV gene mutations in the Turkish population indicated that newborn screening may be discussed in the future. Because of the ethnic origin of Anatolia, larger serial analyses are necessary to investigate the rate and coexistence of these mutations.

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Acknowledgments

We would like to thank Gökmen Zararsiz for the statistical analysis of this study.

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Correspondence to Munis Dundar.

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Dundar, M., Emirogullari, E.F., Kiraz, A. et al. Common Familial Mediterranean Fever gene mutations in a Turkish cohort. Mol Biol Rep 38, 5065–5069 (2011). https://doi.org/10.1007/s11033-010-0652-7

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  • DOI: https://doi.org/10.1007/s11033-010-0652-7

Keywords

  • MEFV gene
  • Familial Mediterranean Fever
  • Genetic heterogeneity
  • Pyrin