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Hemoglobin
international journal for hemoglobin research
Volume 35, 2011 - Issue 2
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Short Communication

Two New Hemoglobin Variants: Hb Aix-Les-Bains [β5(A2)Pro→Leu; HBB:c.17 C>T] and Hb Dubai [α122(H5)His→Leu (α2); HBA2:c.368 A>T]

Philippe Joly Unité de Pathologie Moléculaire du Globule Rouge, Laboratoire de Biochimie et de Biologie Moléculaire, Hôpital Edouard Herriot, Hospices Civils de Lyon, Lyon, France
,
Caroline Garcia Unité de Pathologie Moléculaire du Globule Rouge, Laboratoire de Biochimie et de Biologie Moléculaire, Hôpital Edouard Herriot, Hospices Civils de Lyon, Lyon, France
,
Philippe Lacan Unité de Pathologie Moléculaire du Globule Rouge, Laboratoire de Biochimie et de Biologie Moléculaire, Hôpital Edouard Herriot, Hospices Civils de Lyon, Lyon, France
,
Nicole Couprie Laboratoire Biomnis, Lyon, France
&
Alain Francina Unité de Pathologie Moléculaire du Globule Rouge, Laboratoire de Biochimie et de Biologie Moléculaire, Hôpital Edouard Herriot, Hospices Civils de Lyon, Lyon, FranceCorrespondence[email protected]
Pages 147-151 | Received 02 Nov 2010, Accepted 08 Nov 2010, Published online: 21 Mar 2011
 
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Abstract

We report two new hemoglobin (Hb) variants; one causing an impairment of the N-terminal glycation of the β-globin chain and the other a hematological phenotype of α-thalassemia (α-thal). The first variant is Hb Aix-les-Bains [β5(A2)Pro→Leu] and the second Hb Dubai [α122(H5)His→Leu (α2)]. These two new Hb variants were detected by chromatographic and electrophoretic methods and characterized by molecular studies. Hb Dubai gives an α-thalassemic phenotype and should be routinely detected for preventing severe Hb H disease in couples at-risk for α-thal.

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