Abstract

This chapter describes the most common method for evaluating cytotoxicity of chimeric antigen receptor (CAR) T cells, the xCELLigence real-time cell analysis (RTCA) platform (Agilent Technologies, Inc., Santa Clara, CA). Though there are a variety of assays used to evaluate conventional and engineered T cell cytotoxicity, the benefit of the xCELLigence platform is the depth of real-time data collected. This chapter begins by providing information on the conceptual basis underlying the xCELLigence assay, followed by a detailed protocol for the application of this assay to evaluate your own CAR-T cells, as well as specific insight and helpful tips for assay design, usage, and data analysis. Application of the information and methods discussed within this chapter will provide a greater understanding for evaluating cytotoxicity of CAR-T cells using this in vitro model system.

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