Acquired Zwa antigen on Zwa negative platelets demonstrated by western blotting. 1989

L A Dieleman, and A Brand, and F H Claas, and C van de Keur, and M Witvliet, and M J Giphart
Department of Immunohematology, University Hospital Leiden, The Netherlands.

Zwa-negative platelets that had been incubated in random donor AB plasma for several hours and subsequently cryopreserved, were found to be Zwa-positive when tested 3 years later by Western blotting. Following this serendipitous observation, we demonstrated that the Zwa antigen could be passively adsorbed onto the membrane of Zwa-negative platelets incubating for 4 h in the plasma from Zwa-positive donors. This observation supports the hypothesis that passive acquirement of Zwa antigens is a pathogenic mechanism for inducing post-tranfusion purpura, and suggests that Zwa-negative platelets should not be stored in Zwa-positive plasma before transfusion.

UI MeSH Term Description Entries
D007116 Immunization, Passive Transfer of immunity from immunized to non-immune host by administration of serum antibodies, or transplantation of lymphocytes (ADOPTIVE TRANSFER). Convalescent Plasma Therapy,Immunoglobulin Therapy,Immunotherapy, Passive,Normal Serum Globulin Therapy,Passive Antibody Transfer,Passive Transfer of Immunity,Serotherapy,Passive Immunotherapy,Therapy, Immunoglobulin,Antibody Transfer, Passive,Passive Immunization,Therapy, Convalescent Plasma,Transfer, Passive Antibody
D001782 Blood Donors Individuals supplying blood or blood components for transfer to histocompatible recipients. Blood Donor,Donor, Blood,Donors, Blood
D001792 Blood Platelets Non-nucleated disk-shaped cells formed in the megakaryocyte and found in the blood of all mammals. They are mainly involved in blood coagulation. Platelets,Thrombocytes,Blood Platelet,Platelet,Platelet, Blood,Platelets, Blood,Thrombocyte
D002462 Cell Membrane The lipid- and protein-containing, selectively permeable membrane that surrounds the cytoplasm in prokaryotic and eukaryotic cells. Plasma Membrane,Cytoplasmic Membrane,Cell Membranes,Cytoplasmic Membranes,Membrane, Cell,Membrane, Cytoplasmic,Membrane, Plasma,Membranes, Cell,Membranes, Cytoplasmic,Membranes, Plasma,Plasma Membranes
D005260 Female Females
D005615 Freezing Liquids transforming into solids by the removal of heat. Melting
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000941 Antigens Substances that are recognized by the immune system and induce an immune reaction. Antigen
D015153 Blotting, Western Identification of proteins or peptides that have been electrophoretically separated by blot transferring from the electrophoresis gel to strips of nitrocellulose paper, followed by labeling with antibody probes. Immunoblotting, Western,Western Blotting,Western Immunoblotting,Blot, Western,Immunoblot, Western,Western Blot,Western Immunoblot,Blots, Western,Blottings, Western,Immunoblots, Western,Immunoblottings, Western,Western Blots,Western Blottings,Western Immunoblots,Western Immunoblottings

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