Abstract
Phenotypic analysis of the effects of a gene of interest may be limited because stable expression of some genes leads to adverse consequences in cell survival, such as disturbance of cell cycle progression, senescence, autophagy, and programmed cell death. One of the best examples is tumor suppressor p53. p53 functions as a tumor suppressor by inducing cell cycle arrest and apoptosis in response to genotoxic and environmental insults. The choice and timing of either pathways induced by p53 depend on cellular context, cell types, and the degree of cellular/genomic damage (For review, see (Chen J, Cold Spring Harb Perspect Med 6:a026104, 2016)). The uncertainty makes the studies on the long-term effects of p53 in cells challenging. This chapter describes a method of flow cytometric analysis of ectopic expression of p53 to better quantify cell cycle distribution and apoptosis in cells treated with DNA damaging agents. The method can be easily adapted to other genes of interest to study their contributions to the fate of variety of cell types in response to endogenous or exogenous stresses.
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Al Zouabi, N.N., Roberts, C.M., Lin, Z.P., Ratner, E.S. (2021). Flow Cytometric Analyses of p53-Mediated Cell Cycle Arrest and Apoptosis in Cancer Cells. In: Alvero, A.B., Mor, G.G. (eds) Detection of Cell Death Mechanisms. Methods in Molecular Biology, vol 2255. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-1162-3_5
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DOI: https://doi.org/10.1007/978-1-0716-1162-3_5
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