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  • Title: Detection of carriers in Glanzmann's thrombasthenia.
    Author: Zonneveld GT, van Leeuwen EF, Sturk A, ten Cate JW.
    Journal: Thromb Haemost; 1983 Jun 28; 49(3):182-6. PubMed ID: 6224309.
    Abstract:
    Quantitative glycoprotein (GP) analysis of whole platelets or platelet membranes was performed by SDS-polyacrylamide gel electrophoresis (SDS-PAGE) and periodic acid Schiff staining in the families of two unrelated Glanzmann's thrombasthenia (GT) patients. Each family consisted of two symptom free parents, a symptom free daughter and a GT daughter. All symptom free members had a normal bleeding time, clot retraction and platelet aggregation response to adenosine 5'-diphosphate (ADP), collagen and adrenalin. Platelet Zwa antigen was normally expressed in these subjects. GT patients, classified as a type I and II subject, showed reduced amounts of GP IIb and of GP IIIa. Analysis of isolated membranes in the non-reduced state, however, showed that the amount of GP IIIa was also reduced in three of the four parents, whereas one parent (of the GT type I patient) and the two unaffected daughters had normal amounts of GP IIIa. Quantitative SDS-PAGE may therefore provide a method for the detection of asymptomatic carriers in GT type I and II.
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