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Article de Chinois | WPRIM | ID: wpr-232270

RÉSUMÉ

<p><b>OBJECTIVE</b>To determine the serotype and genotype of a sample with ABO blood group discrepancies.</p><p><b>METHODS</b>Serotype was determined with serological method. Sequence specific primer polymerase chain reaction (SSP-PCR) was carried out based on the serotype. Sequences of exons 6 and 7 of ABO gene was analyzed by sequence-based testing (SBT).</p><p><b>RESULTS</b>Completely agglutinated A antigen, half agglutinated B antigen and weak agglutinated anti-B antibody were detected in both erythrocytes and serum, which suggested presence of a ABw serotype. An A/Bw12 genotype was revealed by B subgroup detection. Sequences of exons 6 and 7 were 278CT, 297GA and 467CT, 526CG, 657CT, 703GA, 796CA, 803GC, 930GA, respectively. The genotype fit with A102/B101 except for a nt278 C>T mutation. Blood group antigen gene mutation database (BGMUT) search has confirmed the mutant allele to be Bw12.</p><p><b>CONCLUSION</b>An A102/Bw12 genotype has been found in the Chinese population.</p>


Sujet(s)
Femelle , Humains , Adulte d'âge moyen , Système ABO de groupes sanguins , Génétique , Séquence nucléotidique , Antigènes de groupe sanguin , Génétique , Groupage sanguin et épreuve de compatibilité croisée , Méthodes , Génotype , Données de séquences moléculaires , Mutation
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