{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T05:50:45Z","timestamp":1791179445828,"version":"4.1.0"},"reference-count":36,"publisher":"American Society of Hematology","issue":"1","content-domain":{"domain":["ashpublications.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2009,1,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>DNA-based tests are increasingly being used to predict a blood group phenotype to improve transfusion medicine. This is possible because genes encoding 29 of the 30 blood group systems have been cloned and sequenced, and the molecular bases associated with most antigens have been determined. RBCs carrying a particular antigen, if introduced into the circulation of an individual who lacks that antigen (through transfusion or pregnancy), can elicit an immune response. It is the antibody from such an immune response that causes problems in clinical practice and the reason why antigen-negative blood is required for safe transfusion. The classical method of testing for blood group antigens and antibodies is hemagglutination; however, it has certain limitations, some of which can be overcome by testing DNA. Such testing allows conservation of antibodies for confirmation by hemagglutination of predicted antigen-negativity. High-throughput platforms provide a means to test relatively large numbers of donors, thereby opening the door to change the way antigen-negative blood is provided to patients and to prevent immunization. This review summarizes how molecular approaches, in conjunction with conventional hemagglutination, can be applied in transfusion medicine.<\/jats:p>","DOI":"10.1182\/asheducation-2009.1.171","type":"journal-article","created":{"date-parts":[[2009,12,11]],"date-time":"2009-12-11T20:35:31Z","timestamp":1260563731000},"page":"171-177","update-policy":"https:\/\/doi.org\/10.1182\/blood.2019cm0000","source":"Crossref","is-referenced-by-count":32,"title":["Transfusion in the age of molecular diagnostics"],"prefix":"10.1182","volume":"2009","author":[{"given":"Marion E.","family":"Reid","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"234","reference":[{"key":"2019111703210787800_R1","doi-asserted-by":"crossref","unstructured":"Daniels G, van der Schoot CE, Olsson ML. Report of the Second International Workshop on Molecular Blood Group Genotyping. 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