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Rapid genotyping of human platelet antigen 5 with fluorophore-labelled hybridization probes on the LightCycler
E Kretzschmar1, N Von Ahsen, H Trobisch
1Institute for Transfusion Medicine, Duisburg, Germany. ek@bzd.de
Genotyping of human platelet antigens (HPAs) can be useful for the diagnosis and therapy of alloimmune thrombocytopenic syndromes such as neonatal alloimmune thrombocytopenic purpura, post-transfusion purpura and refractoriness to platelet transfusion therapy. We developed a single-tube method for HPA-5 genotyping on the LightCycler that combines rapid-cycle polymerase chain reaction with allele-specific fluorescent probe melting for mutation detection. Our method is fast, robust and suitable for routine HPA-5 typing. This work extends recent studies on HPA-1 typing using the LightCycler.
Genotyping of human platelet antigens (HPAs) can be useful for the diagnosis and therapy of alloimmune thrombocytopenic syndromes such as neonatal alloimmune thrombocytopenic purpura, post-transfusion purpura and refractoriness to platelet transfusion therapy. We developed a single-tube method for HPA-5 genotyping on the LightCycler that combines rapid-cycle polymerase chain reaction with allele-specific fluorescent probe melting for mutation detection. Our method is fast, robust and suitable for routine HPA-5 typing. This work extends recent studies on HPA-1 typing using the LightCycler.
