Molecular spectrum of α-globin gene mutations in the Aegean region of Turkey: first observation of three α-globin gene mutations in the Turkish population.
Molecular test results of 231 individuals referred to our molecular genetics laboratory for analysis of α-globin gene mutations between the years 2007 and 2013 were evaluated. Analysis of α-thalassemia gene mutations was performed using reverse dot-blot hybridisation, which includes 21 common mutations. Twelve distinct α-thalassemia mutations and 23 different genotypes have been detected in the Aegean region of Turkey. The most frequent mutations were -α3.7 (52.28 %), -(α)20.5 (14.74 %), --MED (10.53 %), and αPA-1α (8.77 %). Three α-thalassemia mutations (αcd142α, --SEA, and αICα), which are more prevalent in Southeast Asia, are identified for the first time in Turkey in this study. We find that a broad spectrum of α-thalassemia mutations is present in the Aegean region of Turkey. The results obtained in this study may help inform decisions in the design and implementation of prevention strategies and diagnostic approaches.
Department of Medical Genetics, Ege University Faculty of Medicine, Bornova, Izmir, Turkey.
Hüseyin
H
Onay
Ayça
A
Aykut
Emin
E
Karaca
Asude
A
Durmaz
Aslı Ece
AE
Solmaz
Özgür
Ö
Çoğulu
Yeşim
Y
Aydınok
Canan
C
Vergin
Ferda
F
Özkınay
D000293:Adolescent; D000483:Alleles; D002648:Child; D005260:Female; D005787:Gene Frequency; D005838:Genotype; D006801:Humans; D008297:Male; D009154:Mutation; D011159:Population Surveillance; D012189:Retrospective Studies; D014421:Turkey / Q000453:epidemiology; D055542:alpha-Globins / Q000235:genetics*; D017085:alpha-Thalassemia / Q000453:epidemiology* / Q000235:genetics*
D055542:alpha-Globins