Abstract We report a new silent β-globin gene variant found in a family from Angola living in the north eastern Italian city of Ferrara. The probands, two young sisters, presented with hematological parameters compatible with a β-thalassemia (β-thal) minor but with normal Hb A2 levels and normal hemoglobin (Hb) separation on high performance liquid chromatography (HPLC). Molecular analyses revealed a homozygosity for the common -α3.7 (rightward) deletion and heterozygosity for a novel transition (GCT > ACT) at codon 135 of the β-globin gene, leading to an Ala → Thr single amino acid substitution that was inherited from the healthy father.

Characterization of Hb Calvino (HBB: c.406G > A): A New Silent β-Globin Gene Variant Found in Coexistence with α-Thalassemia in a Family of African Origin

MARSELLA, Maria;FERLINI, Alessandra;RAVANI, Anna;BORGNA, Caterina
2014

Abstract

Abstract We report a new silent β-globin gene variant found in a family from Angola living in the north eastern Italian city of Ferrara. The probands, two young sisters, presented with hematological parameters compatible with a β-thalassemia (β-thal) minor but with normal Hb A2 levels and normal hemoglobin (Hb) separation on high performance liquid chromatography (HPLC). Molecular analyses revealed a homozygosity for the common -α3.7 (rightward) deletion and heterozygosity for a novel transition (GCT > ACT) at codon 135 of the β-globin gene, leading to an Ala → Thr single amino acid substitution that was inherited from the healthy father.
2014
Marsella, Maria; G., Salvagno; B., Dolcini; Ferlini, Alessandra; Ravani, Anna; Cl, Harteveld; Pc, Giordano; Borgna, Caterina
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/2119213
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