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We describe a patient with acquired alpha-thalassemia myelodysplastic syndrome (ATMDS). A previously healthy 66-year-old man presented with hemoglobin of 9.3 g/dL, mean corpuscular volume 59 fL, and a bone marrow aspirate with increased erythroid precursors and hypolobulated megakaryocytes. Hemoglobin H inclusions were seen in most red cells after 1% brilliant cresyl blue supravital stain of the peripheral blood. At the molecular level, we identified of a novel mutation in the most 3' exon of the ATRX gene (CGA-->TGA substitution in codon 2407) resulting in a premature termination codon (p.R2407X). This case provides further evidence for a link between ATRX mutations and ATMDS, and suggests a possible role for the conserved Q-box element in ATRX function.

Original publication

DOI

10.1111/j.1600-0609.2006.00628.x

Type

Journal article

Journal

Eur J Haematol

Publication Date

05/2006

Volume

76

Pages

432 - 453

Keywords

Aged, DNA Helicases, Exons, Humans, Male, Molecular Sequence Data, Myelodysplastic Syndromes, Nuclear Proteins, Point Mutation, X-linked Nuclear Protein, alpha-Thalassemia