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논문 기본 정보

자료유형
학술저널
저자정보
Koo Yu-Kyung (Department of Laboratory Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea) Kwon Soon Sung (Department of Laboratory Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea) Suh Eun Jung (Department of Laboratory Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea) Kim Na Hyeong (Department of Laboratory Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea) Kim Hyun Kyung (Department of Laboratory Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea) Cho Youn Keong (Department of Laboratory Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea) Choi Seung Jun (Department of Laboratory Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea) Kim Sinyoung (Department of Laboratory Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea) Lee Kyung-A (Department of Laboratory Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea)
저널정보
대한진단검사의학회 Annals of Laboratory Medicine Annals of Laboratory Medicine 제44권 제5호
발행연도
2024.9
수록면
418 - 425 (8page)
DOI
10.3343/alm.2023.0325

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Background: The Jra antigen is a high-prevalence red blood cell (RBC) antigen. Reports on cases of fatal hemolytic disease of the fetus and newborn and acute hemolytic transfusion reactions suggest that antibodies against Jra (anti-Jra) have potential clinical significance. Identifying anti-Jra is challenging owing to a lack of commercially available antisera. We developed an alternative approach to rapidly predict the presence of anti-Jra using the Taq- Man single-nucleotide polymorphism (SNP)-genotyping method. Methods: Residual peripheral blood samples from 10 patients suspected of having the anti-Jra were collected. Two samples with confirmed Jr(a–) RBCs and anti-Jra were used to validate the TaqMan genotyping assay by comparing the genotyping results with direct sequencing. The accuracy of the assay in predicting the presence of anti-Jra was verified through crossmatching with in-house Jr(a–) O+ RBCs. Results: The TaqMan-genotyping method was validated with two Jr(a–) RBC- and anti-Jraconfirmed samples that showed concordant Jra genotyping and direct sequencing results. Jra genotyping for the remaining samples and crossmatching the serum samples with inhouse Jr(a–) O+ RBCs showed consistent results. Conclusions: We validated a rapid, simple, accurate, and cost-effective method for predicting the presence of anti-Jra using a TaqMan-based SNP-genotyping assay. Implementing this method in routine practice in clinical laboratories will assist in solving difficult problems regarding alloantibodies to high-prevalence RBC antigens and ultimately aid in providing safe and timely transfusions and proper patient care.

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