Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
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Beheshtian, M; Izadi, N; Kriegshauser, G; Kahrizi, K; Mehr, EP; Rostami, M; Hosseini, M; Azad, M; Montajabiniat, M; Kariminejad, A; Nemeth, S; Oberkanins, C; Najmabadi, H.
Prevalence of common MEFV mutations and carrier frequencies in a large cohort of Iranian populations.
J Genet. 2016; 95(3): 667-674.
Doi: 10.1007/s12041-016-0682-6
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- Co-Autor*innen der Med Uni Graz
- Kriegshäuser Gernot
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- Abstract:
- Familial Mediterranean fever (FMF) is a hereditary autoinflammatory disorder caused by mutations in the MEFV gene. The disease is especially common among Armenian, Turkish, Jewish and Middle East Arab populations. To identify the frequency and the spectrum of common MEFV mutations in different Iranian populations, we investigated a cohort of 208 unselected asymptomatic individuals and 743 FMF patients. Nine hundred and fifty-one samples were analysed for the presence of 12 MEFV mutations by PCR and reverse-hybridization (FMF StripAssay, ViennaLab, Vienna, Austria). Confirmatory dideoxy sequencing of all MEFV gene exons was performed for 39 patients. Fifty-seven (27.4%) healthy individual carried mutant MEFV alleles. Three hundred and ninety-one (52.6%) FMF patients were found positive for either one (172/743; 23.1%), two or three MEFV mutations. Using dideoxy sequencing, three novel variants, A66P, R202W and H300Q, could be identified. Our analysis revealed an allele frequency and carrier rate of 15.6 and 27.4%, respectively, among healthy Iranians. Still moderate compared to neighbouring Armenia, but higher than in Turkey or Iraq, these data suggest that FMF is remarkably common among Iranian populations. E148Q was most frequent in the group of healthy individuals, whereas M694V was the most common mutation among FMF patients, thereby corroborating previous studies on MEFV mutational spectra in the Middle East. Accordingly, MEFV mutations are frequent in healthy Iranian individuals across different ethnic groups. Based on this finding, the awareness for FMF and the implementation of augmented carrier screening programmes considering the multiethnic nature of the Iranian population should be promoted.
- Find related publications in this database (using NLM MeSH Indexing)
- Adolescent -
- Adult -
- Aged -
- Alleles -
- Child -
- Child, Preschool -
- Cohort Studies -
- DNA Mutational Analysis -
- Ethnic Groups -
- Exons -
- Familial Mediterranean Fever - epidemiology
- Familial Mediterranean Fever - ethnology
- Familial Mediterranean Fever - genetics
- Familial Mediterranean Fever - physiopathology
- Female -
- Gene Expression -
- Gene Frequency -
- Genetic Predisposition to Disease -
- Heterozygote -
- Humans -
- Infant -
- Iran - epidemiology
- Male -
- Middle Aged -
- Mutation -
- Phenotype -
- Prevalence -
- Pyrin - genetics
- Find related publications in this database (Keywords)
- familial Mediterranean fever
- MEFV gene
- marenostrin
- pyrin
- Iran