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It is sometimes confused in the literature with CFDA-SE, a cell-permeable fluorescent dye used primarily in cell proliferation research.
CFSE is a simple and sensitive technique for analysis of multiple parameters of cells. This method allows us to examine specific populations of proliferating cells and identify 7-10 successive cell generations. CFSE consists of a fluorescent molecule containing a succinimydyl ester functional group and two acetate moeities. CFSE diffuses freely inside the cells and intracellular esterases cleave the acetate groups converting it to a fluorescent, membrane impermeable dye. This dye is not transferred to adjacent cells. CFSE is retained by the cell in the cytoplasm and does not adversely affect cellular function. During each round of cell division, relative fluorescence intensity of the dye is decreased by half. In addition, unlike other methods, CFSE- labeled viable cells can be recovered for further analysis.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "CFSE". A list of authors is available in Wikipedia.|