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Over the last decade, our understanding of the cellular immune system has been greatly advanced through the development of methods to identify antigen-specific T cells directly ex vivo. The major reagents and techniques used for this purpose are (i) tetramerised MHC:peptide complexes (tetramers) which bind to specific T-cell receptors (TCR) and (ii) assays that detect T cells which synthesise cytokines in response to cognate stimulation (intracellular cytokine staining (ICS)). Here, we provide a detailed description of the procedure for generating and using class I MHC:peptide tetramers to label peptide-specific T cells and for carrying out ICS to measure antigen-specific T lymphocytes.

Original publication

DOI

10.1007/978-1-60327-527-9_1

Type

Journal article

Journal

Methods Mol Biol

Publication Date

2009

Volume

514

Pages

1 - 14

Keywords

Animals, Antigens, Cytokines, Epitopes, Histocompatibility Antigens Class I, Immunologic Techniques, Intracellular Space, Lymphocyte Count, Peptides, Phenotype, Protein Structure, Quaternary, Staining and Labeling, T-Lymphocytes