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Hb Alperton [beta135(H13)Ala-->Val] shows decreased oxygen affinity


Zurbriggen, K; Schmid, M; Schmugge, M; Troxler, H; Speer, O (2009). Hb Alperton [beta135(H13)Ala-->Val] shows decreased oxygen affinity. Hemoglobin, 33(6):498-502.

Abstract

A 14-year-old male child presented with microcytosis, a known alpha(+)-thalassemia (alpha-thal) heterozygote and a hemizygous glucose-6-phosphate dehydrogenase (G6PD) deficiency. Furthermore, cation exchange high performance liquid chromatography (HPLC) revealed an additional peak eluting slightly before Hb A. The peak area of the variant was equal to that of Hb A, suggesting a beta-globin variant. Matrix assisted laser desorption ionization time of flight mass spectrometry (MALDI-TOF-MS) analysis confirmed the mutation at the protein level. The variant was detectable by isoelectric focusing (IEF) or by reversed phase HPLC. DNA sequencing revealed a heterozygous mutation at codon 135 of the beta gene, already described as Hb Alperton. Hb Alperton showed decreased oxygen affinity. Neither biochemical nor clinical characteristics for Hb Alperton have been reported so far.

Abstract

A 14-year-old male child presented with microcytosis, a known alpha(+)-thalassemia (alpha-thal) heterozygote and a hemizygous glucose-6-phosphate dehydrogenase (G6PD) deficiency. Furthermore, cation exchange high performance liquid chromatography (HPLC) revealed an additional peak eluting slightly before Hb A. The peak area of the variant was equal to that of Hb A, suggesting a beta-globin variant. Matrix assisted laser desorption ionization time of flight mass spectrometry (MALDI-TOF-MS) analysis confirmed the mutation at the protein level. The variant was detectable by isoelectric focusing (IEF) or by reversed phase HPLC. DNA sequencing revealed a heterozygous mutation at codon 135 of the beta gene, already described as Hb Alperton. Hb Alperton showed decreased oxygen affinity. Neither biochemical nor clinical characteristics for Hb Alperton have been reported so far.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Center for Integrative Human Physiology
04 Faculty of Medicine > University Children's Hospital Zurich > Medical Clinic
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Language:English
Date:2009
Deposited On:22 Dec 2009 07:54
Last Modified:05 Apr 2016 13:37
Publisher:Informa Healthcare
ISSN:0363-0269
Publisher DOI:https://doi.org/10.3109/03630260903341313
PubMed ID:19958196

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