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CFSE is a non-fluorescent molecule that easily diffuses across cell membranes. Inside the cell, acetate groups are cleaved by intracellular esterases yielding a fluorescent molecule whose succinimidyl ester group covalently interacts with primary amines of intracellular proteins. CFSE is compatible with standard intracellular staining protocols using aldehyde fixation and saponin-based permeabilization. CFSE is widely used to track cell division and to monitor cell migration in vivo. CFSE can be detected using standard fluorescein filter sets by fluorescence microscopy or flow cytometry.

CFSE Labeling ProtocolDownload the CFSE Labeling Protocol.

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Murphy S, Patrick K, Thoner T, Edwards RW and Gubbels Bupp MR. 2016. T cell up-regulation of CD127 is associated with reductions in the homeostatic set point of the peripheral Tcell pool during malnourishment. Biochemistry and Biophysics Reports. doi:10.1016/j.bbrep.2016.06.006

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Cat. No. 13-0850
Protocol CFSE Labeling Protocol
Excitation Laser Blue (488 nm)
Emission (nm) 521
Formulation lyophilized (500 ug)
Application Flow Cytometry
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