Results 191 to 200 of about 68,458 (239)
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1998
The ABO blood group system was discovered by Karl Landsteiner in 1901. By mixing the separated sera with suspensions of red cells obtained from the blood of different individuals, four patterns of agglutination were obtained. These patterns subdivide the population into four main blood groups (with approximate European Caucasian frequencies in ...
Anatole Lubenko, Marcela Contreras
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The ABO blood group system was discovered by Karl Landsteiner in 1901. By mixing the separated sera with suspensions of red cells obtained from the blood of different individuals, four patterns of agglutination were obtained. These patterns subdivide the population into four main blood groups (with approximate European Caucasian frequencies in ...
Anatole Lubenko, Marcela Contreras
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A-Elute alleles of the ABO blood group system in Japanese
Legal Medicine, 2003The ABO blood group system is important in forensic genetics, as well as transfusion medicine. Since the elucidation of the molecular basis of ABO gene regulation, nucleotides of variant alleles or suballeles have been analyzed by polymerase chain reaction (PCR)-based methods and sequencing. Ael (A-elute) is one of the subgroups of A in the ABO system.
Koji Nishimura +5 more
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The ABO blood group system and Plasmodium falciparum malaria
Blood, 2007In the century since the discovery of the ABO blood groups, numerous associations between ABO groups and disease have been noted. However, the selection pressures defining the ABO distributions remain uncertain. We review published information on Plasmodium falciparum infection and ABO blood groups.
Walter H. Dzik, Christine M. Cserti
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Interallelic Competition and Complementation in the ABO Blood Group System
Immunological Communications, 1980By means of quantitative agglutination, the results of interactions of A subgroup and variant genes with the B gene, as well as interactions of the Bx allele with A1, A2 and O genes in their heterozygous combination, are demonstrated. In the majority of interactions, competition occurs according to the rule that the allele producing the more active ...
Hrubisko M +4 more
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Suballeles of the ABO Blood Group System in a Japanese Population
Human Heredity, 1996The nucleotides (nt) at positions 467 and 646 of the ABO blood group system were analyzed in a Japanese population by means of the polymerase chain reaction (PCR) and restriction fragment length polymorphism (RFLP) methods. Two types at nt467, tentatively designated 'Pro' and 'Leu', were found in the common A (= A1) alleles, and two types at nt646 ...
Hirotoshi Shibata +3 more
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ABO histo-blood group system-incompatible allografting
International Immunopharmacology, 2005Most of the 29 blood group systems known today are not restricted to erythroid tissues hence their more recent identification as histo-blood group systems. Beyond the uncontested importance of the HLA system in human allograft survival, some of the histo-blood group systems might increasingly become recognised to play a role in graft-host interaction ...
Thierry Carrel +5 more
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INHERITED ‘MOSAICISM’ WITHIN THE ABO BLOOD GROUP SYSTEM
International Journal of Immunogenetics, 1978SUMMARYA family with examples of the rare condition known as ‘inherited mosaicism affecting the ABO blood groups’ has been studied. In this family there were five examples of Bmos:O mosaicism. Blood group gene‐specified transferase estimations were studied in this condition for the first time.
G. W. G. Bird +4 more
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A microplate system for ABO and Rh(D) blood grouping
Transfusion, 1993A microplate system for performing ABO and Rh(D) blood group determinations with a Kemble Kemtek 1000SP liquid handling processor, an Anthos 2001 microplate reader, an IBM Personal System 2 microcomputer, and Sanguin Forma software is described. The performance of this Kemble/Anthos/IBM/Sanguin microplate system for ABO and D grouping was evaluated by ...
K Ilagan, P Birch, A. Chung
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A New Variant in the ABO Blood Group System: B(h)
Vox Sanguinis, 1969Summary. The authors describe an assumed but hitherto undiscovered variant of incomplete ‘Bombay’ phenotype, designated as Bh, with partial suppression of the B antigen. The erythrocytes contain a very weak B antigen, at quantitative level B20; they are H‐negative and Lea‐positive. The serum contains anti‐A, anti‐B and anti‐H antibodies.
S. Šmálik +3 more
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Molecular genetic basis of the histo-blood group ABO system
Nature, 1990The histo-blood group ABO, the major human alloantigen system, involves three carbohydrate antigens (ABH). A, B and AB individuals express glycosyltransferase activities converting the H antigen into A or B antigens, whereas O(H) individuals lack such activity. Here we present a molecular basis for the ABO genotypes.
John Marken +4 more
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