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Updated: Nov 7, 2025
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Examination of Thymic Positive and Negative Selection by Flow Cytometry
Published on: October 8, 2012
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TCR Vβ Evaluation by Flow Cytometry.
Benedetta Peruzzi1, Sara Bencini1, Roberto Caporale2
1Flow Cytometry Diagnostic Center and Immunotherapy (CDCI), AOU Careggi, Florence, Italy.
Methods in Molecular Biology (Clifton, N.J.)
|April 30, 2021
Summary
T-cell receptor (TCR)-Vβ repertoire analysis detects T-cell clonality. Flow cytometry methods are detailed for applications in autoimmune disease, transplantation, and cancer research.
Area of Science:
- Immunology
- Molecular Biology
Background:
- T-cell receptor (TCR) Vβ repertoire analysis is a sensitive method for detecting T-cell clonality.
- This analysis is crucial for understanding T-cell responses in various conditions.
Purpose of the Study:
- To describe the flow cytometric methods for performing TCR-Vβ repertoire analysis.
- To highlight the utility of this technique in diverse immunological contexts.
Main Methods:
- Flow cytometry-based analysis of T-cell receptor Vβ gene segments.
- Detailed protocols for sample preparation and data acquisition.
Main Results:
- The described methods enable sensitive detection of T-cell clonality.
- Successful application demonstrated in contexts of autoimmune disease, transplantation, and cancer.
Conclusions:
- Flow cytometry provides a robust platform for TCR-Vβ repertoire analysis.
- This technique is valuable for investigating T-cell responses in health and disease.
