Detection of a new weak A blood-group allele (Aw11).

Abstract:

BACKGROUND AND OBJECTIVES:Weak ABO variants may escape tests using unlicensed sera. MATERIALS AND METHODS:Prior to transfusion, ABO grouping was performed using an automated system and in-house diluted sera, and manual and bedside test techniques. Genotyping and sequencing were performed using standard methods. RESULTS:Initially, the red blood cells (RBC) of the first-time blood donor were typed as B, but pretransfusion testing carried out using the bedside test indicated the presence of an additional A phenotype. Serological re-examination confirmed the bedside test results, and the allele in question was identified, by genotyping, as a new weak A variant (Aw11). CONCLUSIONS:The use of CE-marked and licensed antisera is recommended to avoid ABO mistyping.

journal_name

Vox Sang

journal_title

Vox sanguinis

authors

Pruss A,Heymann GA,Braun J,Kiesewetter HH,Salama A

doi

10.1111/j.1423-0410.2006.00752.x

subject

Has Abstract

pub_date

2006-04-01 00:00:00

pages

195-7

issue

3

eissn

0042-9007

issn

1423-0410

pii

VOX752

journal_volume

90

pub_type

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