Identification of the target platelet glycoprotein in autoimmune thrombocytopenia occurring after allogeneic bone marrow transplantation
- PMID: 2649188
- DOI: 10.1007/BF00320436
Identification of the target platelet glycoprotein in autoimmune thrombocytopenia occurring after allogeneic bone marrow transplantation
Abstract
We report the case of a patient who developed autoimmune thrombocytopenia after allogeneic bone marrow transplantation from her HLA-identical sister. An IgG autoantibody was detected that bound to the platelet glycoprotein IIb/IIIa and to the HLA class I proteins. Immunoprecipitation studies with radiolabeled platelets revealed additional antibody binding sites on proteins of 214 kDa molecular weight under nonreduced conditions and 65 and 56 kDa molecular weight under reduced conditions.
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