Cited by 31Cancer therapeutics and mechanismsDNA and Nucleic Acid ChemistryBioactive Compounds and Antitumor Agents

The DOI matches its Crossref record; 11 of the 11 references it cites were found in a registry or an index.

Detection of Topoisomerase Covalent Complexes in Eukaryotic Cells

Anand, Jay, Sun, Yilun, Zhao, Yang, Nitiss, Karin C., Nitiss, John L.·2018·Methods in molecular biology

Abstract

DNA topoisomerases carry out topological transformations of DNA by introducing transient DNA breaks. The covalent intermediate of topoisomerase reactions include the topoisomerase protein covalently bound to DNA by a phosphotyrosine intermediate. Anti-cancer drugs that target topoisomerases typically trap the covalent intermediate, and generate cytotoxic enzyme dependent DNA damage. More recently, structural alterations in DNA such as DNA damage have also been shown to trap covalent intermediates of topoisomerase reactions. Understanding the action of drugs that target topoisomerases as well as determining the importance of trapped topoisomerases on genome stability requires assays that can accurately and sensitively measure levels of topoisomerase/DNA complexes. This chapter describes two approaches that have been developed to quantitate topoisomerase DNA complexes. These assays termed ICE (in vivo complex of enzymes) and RADAR (rapid approach to DNA adduct recovery) rely on isolation of genomic DNA under conditions that preserve proteins covalently bound to DNA. Covalently bound proteins are then quantitated using antibodies directed against specific topoisomerases. We describe assays in both mammalian cells and the yeast Saccharomyces cerevisiae that can measure topoisomerase/DNA covalent complexes, and give examples that can be used to enhance the quantitative reliability of these assays.

Overview

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Crossref · 10.1007/978-1-4939-7459-7_20

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Citations

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Research works printed but not linked: 2

  1. Nitiss JL, Soans E, Rogojina A, Seth A, Mishina M (2012) Topoisomerase assays. Curr Protoc Pharmacol Chapter 3:Unit 3 3
  2. Nitiss JL (2001) Topoisomerase assays. Curr Protoc Pharmacol Chapter 3:Unit3 3

Cited by

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Metadata

Authors
Anand, J., Sun, Y., Zhao, Y., Nitiss, K. C., & Nitiss, J. L.
Affiliations
University of Illinois Chicago, Rockford campus (US)
Corresponding author
Nitiss, John L.
Venue
Methods in molecular biology
Published
2017-11-25
Volume
1703
Pages
283-299
ISSN
  • 1064-3745 (ISSN-L)
  • 1940-6029
OpenAlex
W2768589370
Cited by
31
References
11
Citations by year
2026: 1 · 2025: 3 · 2023: 5 · 2022: 9 · 2021: 4 · 2020: 8 · 2017: 1
FWCI
3.07
Type
book chapter
Language
en
Open access
closed
Locations
  • Methods in molecular biology (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Cancer Institute (R03CA216010)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cancer therapeutics and mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA and Nucleic Acid Chemistry
  • Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Toxicology › Bioactive Compounds and Antitumor Agents
Keywords
DNA topoisomerase, topoisomerase inhibitors, anticancer agents, DNA damage, genome stability, Saccharomyces cerevisiae, mammalian cells
MeSH terms
Animals, DNA, DNA Topoisomerases, Type I, Humans, Mammals, Saccharomyces cerevisiae, Saccharomyces cerevisiae Proteins

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CoChat. (2026). Citation check: Detection of Topoisomerase Covalent Complexes in Eukaryotic Cells. https://app.cochat.ai/papers/10.1007/978-1-4939-7459-7_20
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Anand, J., Sun, Y., Zhao, Y., Nitiss, K. C., & Nitiss, J. L. (2018). Detection of Topoisomerase Covalent Complexes in Eukaryotic Cells. Methods in molecular biology. https://doi.org/10.1007/978-1-4939-7459-7_20