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Measuring Oxidative Stress Resistance of Caenorhabditis elegans in 96-well Microtiter Plates
Published on: May 9, 2015
Programming of Cell Resistance to Genotoxic and Oxidative Stress
Ilya O Velegzhaninov1,2, Vitaly A Ievlev3, Yana I Pylina4
1Institute of Biology of Komi Science Centre of Ural Branch of RAS, Syktyvkar 167982, Russia. vellio@yandex.ru.
Abstract:
Different organisms, cell types, and even similar cell lines can dramatically differ in resistance to genotoxic stress. This testifies to the wide opportunities for genetic and epigenetic regulation of stress resistance. These opportunities could be used to increase the effectiveness of cancer therapy, develop new varieties of plants and animals, and search for new pharmacological targets to enhance human radioresistance, which can be used for manned deep space expeditions. Based on the comparison of transcriptomic studies in cancer cells, in this review, we propose that there is a high diversity of genetic mechanisms of development of genotoxic stress resistance. This review focused on possibilities and limitations of the regulation of the resistance of normal cells and whole organisms to genotoxic and oxidative stress by the overexpressing of stress-response genes. Moreover, the existing experimental data on the effect of such overexpression on the resistance of cells and organisms to various genotoxic agents has been analyzed and systematized. We suggest that the recent advances in the development of multiplex and highly customizable gene overexpression technology that utilizes the mutant Cas9 protein and the abundance of available data on gene functions and their signal networks open new opportunities for research in this field.
Insights
Organisms vary in genotoxic stress resistance due to genetic and epigenetic factors. Overexpressing stress-response genes offers potential for cancer therapy and enhancing radioresistance for space travel.
Area of Science:
- Molecular Biology
- Genetics
- Biochemistry
Background:
- Organisms exhibit significant variation in resistance to genotoxic stress.
- Genetic and epigenetic factors play a crucial role in regulating stress resistance.
- Understanding stress resistance mechanisms has implications for cancer therapy, agriculture, and human radioresistance.
Purpose of the Study:
- To review the genetic mechanisms underlying genotoxic stress resistance.
- To analyze the possibilities and limitations of regulating stress resistance through gene overexpression.
- To explore the potential of advanced gene overexpression technologies for future research.
Main Methods:
- Comparative analysis of transcriptomic studies in cancer cells.
- Systematic review and analysis of experimental data on gene overexpression and stress resistance.
- Literature review focusing on genetic and epigenetic regulation of stress response.
Main Results:
- A high diversity of genetic mechanisms contributes to genotoxic stress resistance.
- Overexpression of stress-response genes can modulate resistance in cells and organisms.
- Existing data provides a foundation for understanding the impact of gene overexpression on stress resistance.
Conclusions:
- Genetic and epigenetic regulation offers diverse strategies for managing genotoxic stress.
- Gene overexpression presents a viable approach to enhance cellular and organismal resistance.
- Advances in gene editing technologies, like mutant Cas9, coupled with extensive gene function data, create new avenues for investigating stress resistance.
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