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JoVE Journal
Immunology and Infection

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Cell-based Flow Cytometry Assay to Measure Cytotoxic Activity
 
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Cell-based Flow Cytometry Assay to Measure Cytotoxic Activity

Article DOI: 10.3791/51105-v 10:14 min December 17th, 2013
December 17th, 2013

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Summary

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Click here for the English version.

This protocol describes a sensitive, cell-based cytotoxicity assay. By enumerating the decrease in frequency of live target CD4+ T cells in the presence of an increasing number of effector CD8+ T cells, this assay allows for the direct assessment of cytolytic activity of antigen-specific CD8+ T cells.

Tags

Cell-based Flow Cytometry Assay Measure Cytotoxic Activity CD8+ T Cells Antigen-specific Kill CD4+ T Cells Cognate Peptide CFSE Pulsed Un-pulsed Mixed Incubated Purified CD8+ T Cells Autologous Target CD4+ T Cells Flow Cytometry Analysis Coculture Effector CD8+ T Cells Peptide/MHCI Tetramer Staining Specific Lysis Effector Versus Target Ratios Lytic Units LU30/106 Cells
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