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Title: | The rare α-Thalassemia-1 of Blacks is a ζα-Thalassemia-1 associated with a deletion of all α- and ζ-Globin genes |
Authors: | Felice, Alex Cleek, M. P. McKie, Kathleen Mood McKie, Virgil C. Huisman, Titus Hendrik Jan |
Keywords: | Hemoglobinopathy Thalassemia in children |
Issue Date: | 1984 |
Publisher: | The American Society of Hematology |
Citation: | Felice, A. E., Cleek, M. P., McKie, K., McKie, V., & Huisman, T. H. J. (1984). The rare α-Thalassemia-1 of Blacks is a ζα-Thalassemia-1 associated with a deletion of all α- and ζ-Globin genes. Blood, 63(5), 1253-1257. |
Abstract: | Restriction endonuclease mapping with α and ζ-globin gene probes showed differences between the α-thalassemia-1 (α-thal-1) condition in 2 patients with HbH disease. One patient had the rare black type of α-thal-1 together with α-thal-2 and HbS heterozygosities. The second patient was a Laotian child with HbE, Hb Constant Spring (α-thal-2), and α-thal-1 heterozygosities. The diagnoses were based on clinical, hematologic, and biochemical data. Whereas DNA fragments hybridizing to a ζ-probe were obtained from the Laotian type of α-thal-1, neither α- nor ζ-gene fragments could be identified deriving from the black type of α-thal-1. Therefore, the black type of α-thal-1 is associated with a deletion of the entire ζ2-ψζ-ψα-α2-α1 gene complex and can be considered a ζα-thal-1. It is likely that homozygosity for such a condition will lead to embryonic wastage, explaining the absence of hydrops fetalis in blacks. |
URI: | https://www.um.edu.mt/library/oar//handle/123456789/28031 |
Appears in Collections: | Scholarly Works - FacM&SPB |
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