Homozygotes for the hereditary persistence of fetal hemoglobin: The ratio of G? to A? chains and biosynthetic studies
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Kluwer Academic Publishers-Plenum Publishers
Abstract
Two sons of a previously reported Ghanaian homozygote for the hereditary persistence of fetal hemoglobin (HPFH) (Ringelhann et al., 1970) also are HPFH homozygotes. In addition, another unrelated adult Ghanaian homozygote has been detected. All of these Ghanaian homozygotes as well as three American Black HPFH homozygotes have the G?A? type of HPFH with a G? to A? ratio of about 3:2, in contrast to an Asiatic Indian homozygote who has the G? type. Globin chain synthesis in HPFH homozygotes is unbalanced, with a ?/? ratio of 0.6 or less, whereas it is balanced in heterozygotes according to most reports. � 1977 Plenum Publishing Corporation. � 2019 Elsevier B.V., All rights reserved.
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Keywords
hemoglobin f, hemoglobin gamma chain, diagnosis, etiology, hemoglobin f persistence, homozygote, in vitro study, major clinical study, Child, Child, Preschool, Chromatography, DEAE-Cellulose, Female, Fetal Hemoglobin, Ghana, Globins, Hemoglobinopathies, Homozygote, Humans, India, Male, Middle Aged, Pedigree, Protein Precursors, United States