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Adult hemoglobin levels in newborn babies from different countries and in babies with some significant hemoglobinopathies. 1987

F Kutlar, and A Kutlar, and Y C Gu, and T H Huisman
Department of Cell and Molecular Biology, Medical College of Georgia, Augusta.

The level of adult hemoglobin (Hb A, Hb S, Hb C, Hb E) was determined in cord blood samples of 66 Black babies (41 with four alpha-globin genes; 25 with two alpha-globin genes) with Hb A, of 51 SS, 7 CC, and 6 EE babies, of 359 babies from Mediterranean countries, and 197 babies from Japan and China. Methodology involved high-performance liquid chromatographic procedures, which are considered most accurate because of a complete separation of Hb F (or gamma chains) and the adult hemoglobins (or beta A or beta X chains). The presence of an alpha 2-thalassemia homozygosity (-alpha/ -alpha versus alpha alpha/alpha alpha) did not affect the average Hb A level. The levels of Hb S and Hb E in homozygous Hb S or Hb E babies were about one-third lower than the Hb A of the normal baby, while that of Hb C in homozygous Hb C babies was not decreased. The average level of Hb A in Chinese (50 babies) and Japanese (147 babies) was about 16.0%, which was significantly lower than the average level of 19.0% in newborns of Italian (221 babies), Yugoslavian (68 babies), and Turkish (70 babies) origin.

UI MeSH Term Description Entries
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D005312 Fetal Blood Blood of the fetus. Exchange of nutrients and waste between the fetal and maternal blood occurs via the PLACENTA. The cord blood is blood contained in the umbilical vessels (UMBILICAL CORD) at the time of delivery. Cord Blood,Umbilical Cord Blood,Blood, Cord,Blood, Fetal,Blood, Umbilical Cord,Bloods, Cord,Bloods, Fetal,Bloods, Umbilical Cord,Cord Blood, Umbilical,Cord Bloods,Cord Bloods, Umbilical,Fetal Bloods,Umbilical Cord Bloods
D006441 Hemoglobin A Normal adult human hemoglobin. The globin moiety consists of two alpha and two beta chains.
D006444 Hemoglobin C A commonly occurring abnormal hemoglobin in which lysine replaces a glutamic acid residue at the sixth position of the beta chains. It results in reduced plasticity of erythrocytes.
D006446 Hemoglobin E An abnormal hemoglobin that results from the substitution of lysine for glutamic acid at position 26 of the beta chain. It is most frequently observed in southeast Asian populations.
D006451 Hemoglobin, Sickle An abnormal hemoglobin resulting from the substitution of valine for glutamic acid at position 6 of the beta chain of the globin moiety. The heterozygous state results in sickle cell trait, the homozygous in sickle cell anemia. Hemoglobin S,Deoxygenated Sickle Hemoglobin,Deoxyhemoglobin S,Hemoglobin SS,Hemoglobin, Deoxygenated Sickle,SS, Hemoglobin,Sickle Hemoglobin,Sickle Hemoglobin, Deoxygenated
D006453 Hemoglobinopathies A group of inherited disorders characterized by structural alterations within the hemoglobin molecule. Hemoglobinopathy
D006454 Hemoglobins The oxygen-carrying proteins of ERYTHROCYTES. They are found in all vertebrates and some invertebrates. The number of globin subunits in the hemoglobin quaternary structure differs between species. Structures range from monomeric to a variety of multimeric arrangements. Eryhem,Ferrous Hemoglobin,Hemoglobin,Hemoglobin, Ferrous
D006720 Homozygote An individual in which both alleles at a given locus are identical. Homozygotes
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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