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Updated: Jun 28, 2026

Analysis of HBV-Specific CD4 T-cell Responses and Identification of HLA-DR-Restricted CD4 T-Cell Epitopes Based on a Peptide Matrix
Published on: October 20, 2021
Analysis of HCV-specific T cells by flow cytometry
Masaaki Shiina1, Barbara Rehermann
1Immunology Section, Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney diseases, National Institutes of Health, Bethesda, MD, USA.
Flow cytometry is a vital research method for analyzing T-cell responses. This study details techniques for assessing Hepatitis C Virus (HCV)-specific T-cell immunity.
Area of Science:
- Immunology
- Cell Biology
- Biotechnology
Background:
- Flow cytometry is increasingly crucial in research due to expanded applications.
- Advances in monoclonal antibodies, fluorochromes, and multicolor detection instruments enhance data acquisition.
- Flow cytometry offers advantages over conventional assays, avoiding radioactive reagents for T-cell proliferation and cytotoxicity assessment.
Purpose of the Study:
- To provide an overview of flow cytometry techniques.
- To present standard protocols for assessing Hepatitis C Virus (HCV)-specific T-cell responses.
- To highlight the utility of flow cytometry in immunological studies.
Main Methods:
- Utilizing multicolor flow cytometry.
- Employing monoclonal antibodies and fluorochromes.
- Implementing established protocols for T-cell response assessment.
Main Results:
- Demonstrated the acquisition of extensive phenotypic and functional data in a single assay.
- Successfully applied flow cytometry to overcome limitations of conventional methods.
- Provided validated protocols for evaluating virus-specific T-cell immunity.
Conclusions:
- Flow cytometry is an indispensable tool for modern immunological research.
- Standardized flow cytometry protocols facilitate robust assessment of T-cell responses.
- This methodology is particularly valuable for studying viral infections like HCV.
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