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  • Title: Hereditary Persistence of Fetal Hemoglobin Caused by Single Nucleotide Promoter Mutations in Sickle Cell Trait and Hb SC Disease.
    Author: Akinbami AO, Campbell AD, Han ZJ, Luo HY, Chui DH, Steinberg MH.
    Journal: Hemoglobin; 2016; 40(1):64-5. PubMed ID: 26372199.
    Abstract:
    Hereditary persistence of fetal hemoglobin (HPFH) can be caused by point mutations in the γ-globin gene promoters. We report three rare cases: a child compound heterozygous for Hb S (HBB: c.20A > T) and HPFH with a novel point mutation in the (A)γ-globin gene promoter who had 42.0% Hb S, 17.0% Hb A and 38.0% Hb F; a man with Hb SC (HBB: c.19G > A) disease and a point mutation in the (G)γ-globin gene promoter who had 54.0% Hb S, 18.0% Hb C and 25.0% Hb F; a child heterozygous for Hb S and HPFH due to mutations in both the (A)γ- and (G)γ-globin gene promoters in cis [(G)γ(A)γ(β(+)) HPFH], with 67.0% Hb A, 6.5% Hb S and 25.0% Hb F.
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