Cited by 747DNA and Nucleic Acid ChemistryMetal complexes synthesis and propertiesEpigenetics and DNA Methylation

The DOI matches its Crossref record; 50 of the 50 references it cites were found in a registry or an index.

Small-molecule–induced DNA damage identifies alternative DNA structures in human genes

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Abstract

Guanine-rich DNA sequences that can adopt non-Watson-Crick structures in vitro are prevalent in the human genome. Whether such structures normally exist in mammalian cells has, however, been the subject of active research for decades. Here we show that the G-quadruplex-interacting drug pyridostatin promotes growth arrest in human cancer cells by inducing replication- and transcription-dependent DNA damage. A chromatin immunoprecipitation sequencing analysis of the DNA damage marker γH2AX provided the genome-wide distribution of pyridostatin-induced sites of damage and revealed that pyridostatin targets gene bodies containing clusters of sequences with a propensity for G-quadruplex formation. As a result, pyridostatin modulated the expression of these genes, including the proto-oncogene SRC. We observed that pyridostatin reduced SRC protein abundance and SRC-dependent cellular motility in human breast cancer cells, validating SRC as a target of this drug. Our unbiased approach to define genomic sites of action for a drug establishes a framework for discovering functional DNA-drug interactions.

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Metadata

Authors
Rodriguez, R., Miller, K. M., Forment, J. V., Bradshaw, C. R., Nikan, M., Britton, S., Oelschlaegel, T., Xhemalce, B., Balasubramanian, S., & Jackson, S. P.
Affiliations
University of Cambridge (GB)
Corresponding author
  • Balasubramanian, Shankar
  • Jackson, Stephen P
Venue
Nature Chemical Biology
Published
2012-02-05
Volume
8
Issue
3
Pages
301-310
ISSN
  • 1552-4450 (ISSN-L)
  • 1552-4469
OpenAlex
W2042374693
Cited by
741
References
50
Citations by year
2026: 35 · 2025: 55 · 2024: 66 · 2023: 53 · 2022: 41 · 2021: 60 · 2020: 58 · 2019: 56 · 2018: 52 · 2017: 52 · 2016: 39 · 2015: 54 · 2014: 49 · 2013: 44 · 2012: 27
FWCI
22.39
Type
journal article
Language
en
Open access
Locations
  • Nature Chemical Biology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Apollo (University of Cambridge) (submittedVersion)
  • Apollo
Funders
  • Wellcome Trust (092096/Z/10/Z, 086861/Z/08/Z, 086861, 092096)
  • Cancer Research UK (11961, C6/A11224, 11224, A11224, C9681/A11961)
  • Biotechnology and Biological Sciences Research Council (BB/G008337/1)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA and Nucleic Acid Chemistry
  • Health Sciences › Medicine › Oncology › Metal complexes synthesis and properties
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
Keywords
pyridostatin, G-quadruplex, alternative DNA structures, DNA damage, γH2AX, cell cycle arrest, breast cancer, guanine-rich DNA, gene expression regulation, drug-DNA interaction, ChIP-seq
MeSH terms
Proto-Oncogene Mas, Aminoquinolines, Antineoplastic Agents, Breast Neoplasms, Cell Cycle, DNA, DNA Damage, Drug Screening Assays, Antitumor, Humans, Molecular Weight, Picolinic Acids, Structure-Activity Relationship, Tumor Cells, Cultured, Cell Proliferation, G-Quadruplexes

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