Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
SHR Neuro Krebs Kardio Lipid Stoffw Microb
Sareban, N; Macher, S; Drexler, C; Posch, U; Lanzer, G; Schallmoser, K.
Platelet antibody analysis by three different tests.
J Clin Lab Anal. 2015; 29(3):198-202
Doi: 10.1002/jcla.21750
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- Führende Autor*innen der Med Uni Graz
- Sareban Nazanin
- Schallmoser Katharina
- Co-Autor*innen der Med Uni Graz
- Drexler-Helmberg Camilla
- Lanzer Gerhard
- Macher Susanne
- Posch Ursula
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- Abstract:
- Platelet-reactive antibodies lead to thrombocytopenia and bleeding disorders, and diverse assays are used for their detection. In this retrospective analysis, the applicability of three different test systems was compared and antibody specificities were assessed. Sera of 1,234 patients were tested with an enzyme-linked immunosorbent assay (ELISA; Lifecodes PAKPLUS(®) or PAK 12(®), Gen-Probe) and a solid-phase assay (Capture-P Ready Screen(®), Immucor Inc.). In cases of suspected anti-HLA class I antibodies, a specific lymphocytotoxicity test (LCT, Bio-Rad(®)) was performed. Platelet antibodies were detected in 366 of 1,234 samples (29.7%). In 70.3% concordant negative but only in 8.4% concordant positive results were obtained with both the methods; 185 of 1,053 in the solid-phase assay negative samples were positive in the ELISA (15.0%). In samples positive in both methods, most antibodies reacted against HLA class I antigens. Glycoprotein (GP) specific platelet antibodies, mainly against GPIIb/IIIa and GPIa/IIa, were more frequently detectable in the ELISA than in the solid-phase assay, whereas weakly positive results have to be interpreted cautiously. ELISA, solid-phase assay, and LCT showed highly divergent results. Due to several limitations, the additional analysis by the "monoclonal antibody-specific immobilization of platelet antigen" (MAIPA)-assay is highly recommended. © 2014 Wiley Periodicals, Inc.
- Find related publications in this database (using NLM MeSH Indexing)
- Adolescent -
- Adult -
- Aged -
- Aged, 80 and over -
- Antigens, Human Platelet - immunology
- Autoantibodies - analysis
- Autoantibodies - blood
- Chi-Square Distribution -
- Child -
- Child, Preschool -
- Enzyme-Linked Immunosorbent Assay -
- Female -
- Hematologic Diseases - blood
- Hematologic Diseases - diagnosis
- Histocompatibility Antigens Class I - immunology
- Humans -
- Infant -
- Male -
- Middle Aged -
- Retrospective Studies -
- Young Adult -
- Find related publications in this database (Keywords)
- platelet antibody
- thrombocytopenia