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  • Title: Molecular and Hematological Characterization of Two Novel δ-Globin Gene Mutations Found in Chinese Individuals.
    Author: Sun M, Lou J, Zhao Y, Liu Y.
    Journal: Hemoglobin; 2018 Mar; 42(2):132-134. PubMed ID: 29722583.
    Abstract:
    We identified two novel δ-globin gene mutations in two families during routine thalassemia screening. One missense mutation at codon 73 on the δ-globin gene [δ73(E17)Asp→Val, HBD: c.221A>T] which results in a Hb A2 variant homologous to the β-globin gene variant called Hb Mobile [β73(E17)Asp→Val, HBB: c.221A>T] and we have named this variant Hb A2-Henan. The other is a nonsense mutation [δ7(A4)Glu→Stop, HBD: c.22G>T] which gives rise to a stop codon (TAG) at codon 7, resulting in δ0-thalassemia (δ0-thal). The Hb A2 in one individual with homozygous HBD: c.22G>T was absent.
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