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Evaluation of the platelet surface by fluorescence flow cytometry
Annals of Clinical and Laboratory Science
|September 1, 1986
Summary
Flow cytometry, using fluorescently tagged monoclonal antibodies, efficiently analyzes platelet surface receptors. This technique aids in understanding platelet disorders and enables accurate platelet crossmatching in clinical labs.
Area of Science:
- Immunology
- Hematology
- Cell Biology
Background:
- Flow cytometry is a powerful tool in cell biology, particularly with monoclonal antibodies.
- Specific platelet surface receptors are crucial for understanding platelet-related disorders.
- Monoclonal antibodies targeting these receptors have been developed.
Purpose of the Study:
- To highlight the utility of flow cytometry in analyzing platelet surface receptors.
- To demonstrate the application of flow cytometry in diagnosing platelet disorders.
- To showcase flow cytometry as a method for platelet crossmatching.
Main Methods:
- Utilizing fluorescently labeled monoclonal antibodies for platelet analysis.
- Employing flow cytometry to detect specific platelet surface markers like glycoprotein IIIa and epitopes near the VWF binding site.
- Measuring surface immunoglobulin and C3 on individual platelets in thrombocytopenia.
Main Results:
- Flow cytometry allows efficient analysis of small platelet populations with distinct characteristics.
- The technique has been applied to study primary surface membrane disorders.
- Applications include measurements in autoimmune/alloimmune thrombocytopenia and platelet crossmatching.
Conclusions:
- Flow cytometry provides a simple, specific, and non-radioactive method for accurate platelet surface data.
- This technique is valuable for clinical laboratories, even small ones.
- It significantly contributes to the study of platelet biology and related diseases.