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A Novel β0-Thalassemia Mutation, HBB: c.356_357delTT [Codon 118 (-TT)] in an Iraqi Kurd
Sulav D Atroshi1, Nasir Al-Allawi1, David H K Chui2
1Department of Pathology, College of Medicine, University of Duhok, Duhok, Iraq.
Abstract:
We report a novel frameshift β-thalassemia (β-thal) mutation due to a two-nucleotide deletion at codon 118 of the β-globin gene (HBB: c.356_357delTT) in a 4-year-old Iraqi Kurd female presenting as transfusion-dependent β-thal. This frameshift mutation, unlike many others involving the third exon, behaved as a recessive β0 defect and not as dominant β-thal mutation.
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