The relationship between ABO groups and subgroups, factor VIII and von Willebrand factor

Autor: Norma Cristina Sousa, Joyce Maria Anicchino-Bizzacchi, Maria Fátima Locatelli, Vagner Castro, Maria Lourdes Barjas-Castro
Jazyk: angličtina
Rok vydání: 2007
Předmět:
Zdroj: Haematologica, Vol 92, Iss 2 (2007)
Druh dokumentu: article
ISSN: 0390-6078
1592-8721
DOI: 10.3324/haematol.10457
Popis: The aim of this study was to correlate ABO groups with plasma levels of factor VIII (FVIII), von Willebrand factor (VWF:Ag), and ristocetin cofactor (VWF:RCo). Serological and molecular tests defined blood groups from 114 donors (10 AA, 10 BB, 10 AB, 10 AO1, 10 BO1,16 O1O1, 20 A2O1, 20 A2B, 4 A3O1, 3 AxO1, and 1 BelO1). The levels of VWF:Ag, FVIII and VWF:RCo observed in rare subgroups (A3O1, AxO1, BelO1) were similar to the values found in the O1O1 group. However, levels of these factors were significantly higher in A2O1 donors than in O1O1 donors (VWF:Ag p=0.01; FVIII p=0.04; VWF:RCo p
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