ArticleClinical rheumatology2022
Clinical significance of MEFV gene variation R202Q.
Article in Clinical rheumatology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 13 citations in OpenAlex.
- MEFV variant spectrum and exploratory in silico stratification of uncommon variants in 611 individuals tested for suspected familial Mediterranean fever in the Eastern Black Sea region of Türkiye.BMC genomic data · 2026Article
- Diagnostic yield of real-time PCR vs. NGS in pediatric FMF: insights from a Turkish cohort.Open medicine (Warsaw, Poland) · 2026Article
- Unresolved Issues in Familial Mediterranean Fever: Is p.R202Q MEFV Variant Potentially Pathogenetic in Unleashing Inflammation?Journal of clinical immunology · 2025Article
- Increasing Importance of Genotype-Phenotype Correlations Associated with Common and Rare MEFV Gene Mutations in FMF Patients in the Last Thirty Years.Journal of clinical medicine · 2025Article
- Characterizing Protracted Febrile Myalgia: Fasciitis and Vasculitis of the Fascia and Muscle as Novel Histopathological Features.Journal of clinical medicine · 2024Article
- Anakinra-Dependent Recurrent Pericarditis: The Role of the R202Q Variant of the MEFV Gene.Journal of clinical medicine · 2024Article
- Molecular analyses of MEFV gene mutation variants in Turkish population.Molecular biology reports · 2024Article
- Genewise detection of variants inFrontiers in genetics · 2024Article
- Late-onset familial Mediterranean fever: A case series of missed diagnoses in pleural effusions.Sage open chronic diseaseArticle
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe aim of this study was to evaluate the phenotypic features and the clinical significance of the R202Q mutation of the MEFV gene.
methodsWe retrospectively reviewed the medical records of Familial Mediterranean Fever patients with M694V/- and M694V/R202Q mutations. We compared the patients regarding disease severity, symptoms, age at the onset of symptoms, gender, consanguinity, and family history.
resultsTwenty-one patients (9 males, 12 females) had compound heterozygote mutation (M694V/R202Q), and 37 patients (23 males, 14 females) had M694V/- mutation. The mean age of the patients at the time of diagnosis was 7.3 ± 4.3 and 9.2 ± 3.7 years. The rate of arthritis was significantly higher in patients with M694V/R202Q heterozygote mutation than those with M694V/- heterozygote mutation (76.2% vs 32.4%; p = < 0.001). The mean severity score was higher in M694V/R202Q heterozygote group although it did not reach statistical significance (8.43 ± 1.69 vs 7.49 ± 1.50; p = 0.082). However, the rate of having a high severity score was significantly higher in the M694V/R202Q mutation group than in the other group (47.6% vs 21.6%, respectively; p = 0.039). The rate of arthritis was significantly higher in patients with M694V/R202Q heterozygote mutation than those with M694V/- heterozygote mutation (76.2% vs 32.4%; p = < 0.001).
conclusionOur finding supports the possibility that R202Q may be pathogenic rather than a variation. We found that the R202Q mutation is associated with the inflammatory phenotype of FMF; hence, the typical clinical findings of FMF especially arthritis can be observed in patients with compound mutation including R202Q. Key Points • We found that the R202Q mutation is associated with the inflammatory phenotype of FMF • The patients with the R202Q mutation had a greater rate of arthritis symptoms.
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