Evidence map›Paper›PMID 40686587›Full record

ArticleAmerican journal of blood research2025

Structural and clinical characterization of Hb Móstoles (HBA2:c.176A>G; p.His59Arg): a new unstable alpha-globin variant with thalassemic features.

Sara Ferrer-Benito, María Ordoñez, Amanda Bermejo, Jorge M Martínez, Belén Ortega, Fernando A González, Ana Villegas, Celina Benavente, Paloma Ropero

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Article in American journal of blood research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

9 authors.

Sara Ferrer-BenitoServicio de Hematología y Hemoterapia, Hospital Clínico San Carlos Madrid, Spain.
María OrdoñezServicio de Hematología, Hospital Universitario de Móstoles Móstoles, Spain.
Amanda BermejoServicio de Pediatría, Hospital Universitario de Móstoles Móstoles, Spain.
Jorge M MartínezServicio de Hematología y Hemoterapia, Hospital Clínico San Carlos Madrid, Spain.
Belén OrtegaServicio de Hematología y Hemoterapia, Hospital Clínico San Carlos Madrid, Spain.
Fernando A GonzálezServicio de Hematología y Hemoterapia, Hospital Clínico San Carlos Madrid, Spain.
Ana VillegasServicio de Hematología y Hemoterapia, Hospital Clínico San Carlos Madrid, Spain.
Celina BenaventeServicio de Hematología y Hemoterapia, Hospital Clínico San Carlos Madrid, Spain.
Paloma RoperoServicio de Hematología y Hemoterapia, Hospital Clínico San Carlos Madrid, Spain.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We report a novel α-globin gene variant, hemoglobin (Hb) Móstoles, characterized by a single nucleotide substitution in the HBA2 gene [α2 58(E7) His > Arg; HBA2:c.176A>G], associated with a 3.7-kb deletion in the homologous chromosome. This variant was identified in a Moroccan family living in Spain. The proband, a four-year-old girl, presented with microcytosis and hypochromia. The abnormal Hb was maternally inherited and detected in two of the proband's four siblings, while the 3.7-kb deletion was paternally inherited. Hb analysis using high-performance liquid chromatography and capillary electrophoresis revealed an abnormal peak in the Hb S region, with a concentration of approximately 3%. Hematological parameter assessment of the four carriers demonstrated that, despite being a structural hemoglobinopathy, Hb Móstoles is associated with an alpha-thalassemia phenotype and may exacerbate clinical manifestations when coexisting with other

Indexed as

alpha globin variantshypochromiaThalassemic hemoglobinopathies

Identifiers

PMID40686587
PMCPMC12267073

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