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Visualizing Single-Stranded DNA Foci in the G1 Phase of the Cell Cycle
Published on: December 22, 2023
Assessing G1-to-S-phase progression after genotoxic stress
Michael DeRan1, Mary Pulvino, Jiyong Zhao
1Department of Biomedical Genetics, University of Rochester Medical Center, 601 Elmwood Ave, Rochester, New York 14642, USA. michael_deran@urmc.rochester.edu
Methods in Molecular Biology (Clifton, N.J.)
|August 27, 2011
Summary
Mammalian cells use DNA damage response to maintain genomic integrity. This chapter details methods for inducing genotoxic stress and studying cell cycle progression after damage.
Area of Science:
- Molecular Biology
- Cell Biology
- Genetics
Background:
- Genomic integrity is essential for organism survival.
- Mammalian cells possess a complex DNA damage response (DDR) system.
- Cell cycle checkpoints are crucial components of the DDR, mediating arrest to allow for repair.
Purpose of the Study:
- To present methodologies for inducing genotoxic stress in mammalian cells.
- To describe techniques for analyzing cell cycle progression following DNA damage.
- To investigate the cellular response to genotoxic insults.
Main Methods:
- Induction of genotoxic stress using specific agents.
- Cell cycle analysis techniques (e.g., flow cytometry).
- Monitoring cell progression from G1 to S phase post-treatment.
Main Results:
- Established protocols for reliable genotoxic stress induction.
- Demonstrated methods to quantify cell cycle arrest and progression.
- Provided insights into the kinetics of DNA damage response.
Conclusions:
- The presented methods enable robust study of DNA damage response.
- Understanding cell cycle control post-damage is key to genomic stability.
- These techniques facilitate research into cancer prevention and therapy.
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