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Yeast As a Chassis for Developing Functional Assays to Study Human P53
Published on: August 4, 2019
Methods for the study of redox-mediated changes in p53 structure and function
1Department of Biological Sciences, University of Alaska Anchorage, Anchorage, AK, USA.
Abstract:
It is now generally accepted that both the structure and function of a number of specific transcriptional factors, including p53, are subject to redox regulation in cells in which these factors are expressed. The present chapter describes methods for the analysis of redox changes in the structure of p53 and the effect of redox modulation on binding of p53 to a DNA consensus sequence. In addition, methods are described for studying the effect of redox perturbations of cells on the functioning of p53 in the cell cycle and in apoptosis. By studying the effect ofredox agents on p53, we have concluded that p53 is subject to structural redox modulation and that this modulation affects the functional ability of the protein to bind to DNA, to cause cell cycle arrest, and to trigger apoptosis.
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