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题目:: Monitoring cell proliferation in vitro with different cellular fluorescent dyes.
作者:: Zolnierowicz(Joanna),Ambrozek-Latecka(Magdalena),Kawiak(Jerzy),Wasilewska(Danuta),Hoser(Grazyna)
状态:: 发布时间2013-11-08 , 更新时间 2016-10-20
期刊:: Folia Histochem Cytobiol
摘要:: There are few methods for quantifying cell proliferation. Those tests describe the proliferation kinetics of a cell population, but they do not report the history of single cells, the number and frequency of cell divisions, or the precursor cell frequency. Cell-tracking assays based on dilution of the green fluorescent protein labelling dye, CFSE, has become the standard for monitoring cell proliferation. Other labelling dyes, e.g. CellTrace Violet and CellVue Claret, are also used for the same purpose. This study aimed to compare these three cell labelling methods for analysing the kinetics of cell viability, proliferation, and precursor cell frequency. Human peripheral blood mononuclear cells stimulated with Concanavalin A (ConA) were used as a model system. After labelling with a cell-tracking dye cells were divided into groups with and without ConA stimulation. From the 5th to 8th day, cells were collected and analysed with flow cytometry. Cell viability was not significantly different between labelled and unlabelled cells that received ConA stimulation. The proliferative fraction, proliferation index, and nonproliferative fraction were not significantly different among lymphocytes labelled with different dyes. Precursor cell frequency was also similar among cells labelled with the three cell-tracing dyes. The practical conclusion from our observations is that the results from cells labelled with different tracers may be compared directly and discussed jointly.
语言:: eng
DOI:: 10.5603/FHC.2013.0027

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