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  • Title: A New δ-Globin Gene Variant: Hb A2-Fengshun [δ121(GH4)Glu→Lys (HBD: c.364G > A)].
    Author: Yan JM, Zhou JY, Xie XM, Li J, Li DZ.
    Journal: Hemoglobin; 2016 Jun; 40(3):213-4. PubMed ID: 27117573.
    Abstract:
    An elevated Hb A2 (α2δ2 level) is a diagnostic marker for heterozygous β-thalassemia (β-thal). Mutations in the δ-globin gene can cause decreased expression of Hb A2, compromising screening for heterozygous β-thal. In this report, we describe a novel missense mutation of the δ-globin [Hb A2-Fengshun or δ121(GH4)Glu→Lys, HBD: c.364G > A] in a Chinese individual who had coinherited a heterozygous β-thal with a normal Hb A2 level.
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