The association of Hb Stanleyville II with alpha thalassemia and Hb S. 1987

F F Costa, and M A Zago, and M F Sonati, and C Bottura
Department of Clinical Medicine, School of Medicine, Ribeirão Preto, Brazil.

Two unrelated families are described which include two heterozygotes for Hb Stanleyville II, two compound heterozygotes for Hb Stanleyville II and Hb S, and one compound homozygote for the two abnormal hemoglobins. The homozygote did not produce normal alpha chains, the abnormal chains accounted for 32-35% of the total alpha chain of four heterozygotes, and the alpha/non-alpha synthetic ratios were in the range 0.59-0.77. These data demonstrate the presence of an alpha-thalassemia gene linked to the alpha-Stanleyville II mutation.

UI MeSH Term Description Entries
D001938 Brazil A country located on the eastern coast of South America, located between Colombia and Peru, that borders the Atlantic Ocean. It is bordered on the north by Venezuela, Guyana, Suriname, and French Guiana, on the south by Uruguay, and on the west by Argentina. The capital is Brasilia.
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D002885 Chromosomes, Human, Pair 16 A specific pair of GROUP E CHROMOSOMES of the human chromosome classification. Chromosome 16
D005260 Female Females
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
D006455 Hemoglobins, Abnormal Hemoglobins characterized by structural alterations within the molecule. The alteration can be either absence, addition or substitution of one or more amino acids in the globin part of the molecule at selected positions in the polypeptide chains. Abnormal Hemoglobins
D006580 Genetic Carrier Screening Identification of individuals who are heterozygous at a GENETIC LOCUS for a recessive PHENOTYPE. Carriers, Genetic, Detection,Genetic Carriers, Detection,Heterozygote Detection,Carrier Detection, Genetic,Detection, Genetic Carrier,Genetic Carrier Detection,Heterozygote Screening,Carrier Screening, Genetic,Detection, Heterozygote,Screening, Genetic Carrier,Screening, Heterozygote,Screenings, Genetic Carrier
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
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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