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Integrated serological and molecular investigation of ABO subgroups underlying atypical ABO typing in southeastern Brazil.

Vox sanguinis - 1 Jun 2026

Arnoni Carine Prisco, de Vendrame Tatiane Aparecida Paula, Silva Nayara Morais, Devides Giovana Faria, Silva Flavia Sant' Anna, Cortez Afonso José Pereira, Castilho Lilian, Latini Flavia Roche Moreira

Abstract excerpt

BACKGROUND AND OBJECTIVES: Numerous A and B subgroups can cause discrepancies between forward and reverse typing, weak reactivity or unexpected antibody patterns. This study aimed to identify the most prevalent ABO subgroups in a population of Southeast Brazil, characterize their serological profiles and evaluate their impact on ABO typing. STUDY DESIGN AND METHODS: Donor samples collected in São Paulo State,...

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PMID: 41724517
DOI: 10.1111/vox.70223

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ABO

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