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Novel glycolipid va...
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Svensson, Lola,1948Gothenburg University,Göteborgs universitet,Institutionen för laboratoriemedicin, Avdelningen för klinisk kemi/transfusionsmedicin,Institute of Laboratory Medicine, Dept of Clinical Chemistry/Transfusion Medicine
(författare)
Novel glycolipid variations revealed by monoclonal antibody immunochemical analysis of weak ABO subgroups of A.
- Artikel/kapitelEngelska2005
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LIBRIS-ID:oai:gup.ub.gu.se/111139
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https://gup.ub.gu.se/publication/111139URI
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https://doi.org/10.1111/j.1423-0410.2005.00642.xDOI
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https://lup.lub.lu.se/record/237647URI
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
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BACKGROUND AND OBJECTIVES: The chemical basis of the subgroups of A is largely unknown. We used thin-layer chromatography immunochemical staining techniques together with a range of characterized monoclonal reagents to analyse glycolipids isolated from a variety of weak subgroups. MATERIALS AND METHODS: Glycolipids isolated from red cells collected from nine genetically defined individuals of the rare subgroups of A, including a novel A(3) allele (A(2) 539G>A) not described previously, were subjected to a highly sensitive thin-layer chromatographic immunochemical analysis. RESULTS: Semicharacterized monoclonal antibodies revealed that, in addition to the expected quantitative differences between common phenotypes and the weak subgroups, qualitative glycolipid differences (or at least an apparent qualitative basis), caused by major changes in the ratios of different structures exist. Specifically it was found that the weakest A-expressing samples (A(el) phenotype) appeared to express an unusual A structure in the 8-12 sugar region. Variable expression of several structures in one of the A weak samples were suggestive of novel blood group A structures. CONCLUSIONS: Although no structural characterization could be undertaken, the results are clearly indicative that the variant glycosyltransferases of the rare ABO subgroups are not only inefficient, but they may potentially synthesize novel ABO structures.
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Rydberg, Lennart,1944Gothenburg University,Göteborgs universitet,Institutionen för laboratoriemedicin, Avdelningen för klinisk kemi/transfusionsmedicin,Institute of Laboratory Medicine, Dept of Clinical Chemistry/Transfusion Medicine(Swepub:gu)xrydle
(författare)
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Hellberg, ÅsaLund University,Lunds universitet,Avdelningen för hematologi och transfusionsmedicin,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Hematology and Transfusion Medicine,Department of Laboratory Medicine,Faculty of Medicine(Swepub:lu)tran-ahe
(författare)
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Gilliver, L G
(författare)
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Olsson, M L
(författare)
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Henry, S M
(författare)
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Göteborgs universitetInstitutionen för laboratoriemedicin, Avdelningen för klinisk kemi/transfusionsmedicin
(creator_code:org_t)
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Ingår i:Vox sanguinis: Wiley89:1, s. 27-380042-90071423-0410
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