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About: Human platelet antigen     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Unit109465459, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: yago:WikicatAntibodiesyago:Abstraction100002137yago:Antibody115027189yago:Chemical114806838yago:Compound114818238yago:Macromolecule114944888yago:Material114580897yago:Matter100020827yago:Molecule114682133yago:OrganicCompound114727670yago:Part113809207yago:PhysicalEntity100001930yago:Protein114728724yago:Relation100031921yago:Substance100019613yago:Thing100002452yago:Unit109465459 New Facet based on Instances of this Class

Human platelet antigens (HPA) are polymorphisms in platelet antigens. These can stimulate production of alloantibodies (that is, antibodies against other people's antigens) in recipients of transfused platelets from donors with different HPAs. These antibodies cause neonatal alloimmune thrombocytopenia, post-transfusion purpura, and some cases of platelet transfusion refractoriness to infusion of donor platelets.