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Methods Mol Biol. 2020;2108:259-271. doi: 10.1007/978-1-0716-0247-8_22.

Combined Single-Cell Measurement of Cytokine mRNA and Protein in Immune Cells.

Author information

1
Department of Hematopoiesis, Sanquin Research-Amsterdam UMC Landsteiner Laboratory and Oncode Institute, Amsterdam, The Netherlands.
2
Department of Hematopoiesis, Sanquin Research-Amsterdam UMC Landsteiner Laboratory and Oncode Institute, Amsterdam, The Netherlands. m.wolkers@sanquin.nl.

Abstract

A key feature of immune cells, such as T cells, is their rapid responsiveness to activation. The response rate of T cells depends on the signal strength, and the type of signals they receive. Studying the underlying mechanisms that define responsiveness, however, is confounded by the fact that immune cells do not uniformly respond to activation. Tools that measure gene products on a single-cell level therefore provide additional insights in T cell biology. Here we describe flow cytometry-based fluorescence in situ hybridization (Flow-FISH), a high-throughput assay that allows for the simultaneous measurement of cytokine mRNA and protein levels of the gene(s) of interest by flow cytometry. We present several possible applications of Flow-FISH in human and murine T cells that-with minor adjustments-should also be applicable for other cell types.

KEYWORDS:

Cytokines; Flow cytometry; Flow-FISH; Immune cells; Protein; Single cell; T cells; mRNA

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