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Compound Heterozygous Hb Tak/Hb E Causes Secondary Erythrocytosis in a Thai Family

Authors: Nattiya, Teawtrakul; Chittima, Sirijirachai; Ganjana, Chansung; Goonnapa, Fucharoen;

Compound Heterozygous Hb Tak/Hb E Causes Secondary Erythrocytosis in a Thai Family

Abstract

Hb Tak is a rare cause of secondary erythrocytosis. It results from the insertion of two nucleotides (AC) at the termination codon between codon 146 and codon 147 of the beta-globin gene. This insertion causes a frameshift in the terminating codon 147 resulting in an elongated beta chain with an impaired formation of the T-state. We report a Thai family with a compound heterozygosity for Hb Tak [beta147 (+ AC)] and Hb E [beta26(B8)Glu-->Lys] which displayed an asymptomatic erythrocytosis.

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Keywords

Male, Heterozygote, Hemoglobin E, Hemoglobins, Abnormal, Headache, Polycythemia, beta-Globins, Middle Aged, Thailand, Pedigree, Oxygen, Young Adult, Humans, Female

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
8
Average
Average
Top 10%