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The MEFV mutations and their clinical correlations in children with familial Mediterranean fever in southeast Turkey        
Yazarlar
Aydin Ece
Erdal Cakmak
Unal Uluca
Selvi Kelekci
Ilyas Yolbas
 Ali GÜNEŞ Ali GÜNEŞ
Kırşehir Ahi Evran Üniversitesi
Servet Yel
Ilhan Tan
Velat Sen
Özet
The aim of this study was to determine the Mediterranean fever (MEFV) gene mutations and their clinical correlations in children with familial Mediterranean fever (FMF) in southeast Turkey. Clinical and laboratory characteristics of 147 (65 males, 82 females) consecutive children with FMF having a positive MEFV gene mutation were prospectively investigated. Patients with negative MEFV gene mutations or atypical FMF presentations and those from other regions of the country were excluded. Clinical manifestations and disease severity scores were recorded. The six most frequent MEFV mutations including M694V, V726A, R726H, P369S, E148Q and P369S were investigated by a reverse hybridization test method. The median age of study group was 9.0 years, median age at diagnosis was 7.8 years, median age at disease onset was 5.0 years, and median follow-up duration was 4.0 years. A positive family history of FMF and parent-to-offspring transmission was found in 58.5 and 42.2 % of families, respectively. The frequencies of independent alleles, with decreasing order, were E148Q (30.7 %), M694V (26.0 %), R761H (13.5 %), V726A (13.0 %), P369S (10.5 %) and M680I (6.3 %) in FMF patients. The M694V subgroup had higher mean disease severity score and longer attack duration compared with E148Q and other mutations subgroups (p < 0.05). Two patients with amyloidosis had the M694V homozygote genotype. In conclusion contrast to other regions and many other ethnicities of the world, the most frequent MEFV gene mutation was E148Q in southeast Turkey. The M694V mutation frequency was lower, and disease severity was relatively mild in FMF children of this region.
Anahtar Kelimeler
Clinical findings | Familial Mediterranean fever | MEFV gene | Mutations | Southeast Turkey
Makale Türü Özgün Makale
Makale Alt Türü SSCI, AHCI, SCI, SCI-Exp dergilerinde yayımlanan tam makale
Dergi Adı RHEUMATOLOGY INTERNATIONAL
Dergi ISSN 0172-8172
Dergi Tarandığı Indeksler SSCI
Makale Dili İngilizce
Basım Tarihi 02-2014
Cilt No 34
Sayı 2
Sayfalar 207 / 212
Doi Numarası 10.1007/s00296-013-2858-1