학술논문

A Novel Frameshift Mutation (+A) at Codon 18 of the β-Globin Gene Associated with High Persistence of Fetal Hemoglobin Phenotype and δβ-Thalassemia
Document Type
Academic Journal
Source
Acta Haematologica. Mar 01, 2008 119(1):28-37
Subject
Language
English
ISSN
0001-5792
Abstract
We report in this paper a novel thalassemia mutation (insertion of a single A nucleotide within the exon 1, at codon 18, of the β-globin gene) associated with a deletion of the δβ-globin gene region, in a patient exhibiting high persistence of fetal hemoglobin. The novel mutation causes a frameshift with the generation of a UGA stop codon. Analysis of the parentʼs DNA demonstrates that the A insertion and frameshift mutation are inherited from the father, while the δβ-globin gene deletion is inherited from the mother. Gene dosage analysis and deletion-specific PCR demonstrate that the deletion is the (δβ) Sicilian deletion, involving a 13.4-kb δβ-globin gene region.