Evidence map›Paper›PMID 34551430›Full record

ArticleNucleic acids research2021

Dual targeting of higher-order DNA structures by azacryptands induces DNA junction-mediated DNA damage in cancer cells.

Joanna Zell, Katerina Duskova, Leïla Chouh, Madeleine Bossaert, Nicolas Chéron, Anton Granzhan, Sébastien Britton, David Monchaud

Open access · goldAbstract read
In one paragraph

Article in Nucleic acids research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
1.5field-weighted citation impact, top 17% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

15 citing papers in PubMed, 28 citations in OpenAlex.

  1. Article
  2. Review
  3. Interactions of elongated dinuclear metallo-cylinders with DNA three-way and four-way junctions.Journal of biological inorganic chemistry : JBIC : a publication of the Society of Biological Inorganic Chemistry · 2025
    Article
  4. Article
  5. Article
  6. Supramolecular Recognition of a DNA Four-Way Junction by an MAngewandte Chemie (International ed. in English) · 2025
    Article
  7. Switching on Supramolecular DNA Junction Binding Using a Human Enzyme.Angewandte Chemie (International ed. in English) · 2025
    Article
  8. Article
  9. Review
  10. Article
  11. Article
  12. Article
  13. Review
  14. Article
  15. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors at 1 institution in 1 country.

Joanna ZellInstitut de Chimie Moléculaire de l'Université de Bourgogne (ICMUB), CNRS UMR 6302, UBFC Dijon, 21078 Dijon, France.
Katerina DuskovaInstitut de Chimie Moléculaire de l'Université de Bourgogne (ICMUB), CNRS UMR 6302, UBFC Dijon, 21078 Dijon, France.
Leïla ChouhInstitut Curie, CNRS UMR 9187, INSERM U1196, PSL Research University, 91405 Orsay, France.
Madeleine BossaertInstitut de Pharmacologie et de Biologie Structurale (IPBS), CNRS UMR 5089, Université de Toulouse, UPS, Équipe labellisée la Ligue Contre le Cancer, 31077 Toulouse, France.
Nicolas ChéronPasteur, Département de chimie, École Normale Supérieure (ENS), CNRS UMR8640, PSL Research University, Sorbonne Université, 75005 Paris, France.ORCID 0000-0002-4090-5897
Anton GranzhanInstitut Curie, CNRS UMR 9187, INSERM U1196, PSL Research University, 91405 Orsay, France.ORCID 0000-0002-0424-0461
Sébastien BrittonInstitut de Pharmacologie et de Biologie Structurale (IPBS), CNRS UMR 5089, Université de Toulouse, UPS, Équipe labellisée la Ligue Contre le Cancer, 31077 Toulouse, France.ORCID 0000-0002-7008-5316
David MonchaudInstitut de Chimie Moléculaire de l'Université de Bourgogne (ICMUB), CNRS UMR 6302, UBFC Dijon, 21078 Dijon, France.ORCID 0000-0002-3056-9295
Centre National de la Recherche Scientifique · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

DNA is intrinsically dynamic and folds transiently into alternative higher-order structures such as G-quadruplexes (G4s) and three-way DNA junctions (TWJs). G4s and TWJs can be stabilised by small molecules (ligands) that have high chemotherapeutic potential, either as standalone DNA damaging agents or combined in synthetic lethality strategies. While previous approaches have claimed to use ligands that specifically target either G4s or TWJs, we report here on a new approach in which ligands targeting both TWJs and G4s in vitro demonstrate cellular effects distinct from that of G4 ligands, and attributable to TWJ targeting. The DNA binding modes of these new, dual TWJ-/G4-ligands were studied by a panel of in vitro methods and theoretical simulations, and their cellular properties by extensive cell-based assays. We show here that cytotoxic activity of TWJ-/G4-ligands is mitigated by the DNA damage response (DDR) and DNA topoisomerase 2 (TOP2), making them different from typical G4-ligands, and implying a pivotal role of TWJs in cells. We designed and used a clickable ligand, TrisNP-α, to provide unique insights into the TWJ landscape in cells and its modulation upon co-treatments. This wealth of data was exploited to design an efficient synthetic lethality strategy combining dual ligands with clinically relevant DDR inhibitors.

Indexed as

DNAAntineoplastic AgentsAzabicyclo CompoundsDNA DamageG-QuadruplexesHumansMCF-7 CellsNeoplasmsStructure-Activity Relationship1,4,7,10,13,16,21,24-octaazabicyclo(8.8.8)hexacosaneAntineoplastic AgentsAzabicyclo CompoundsDNA

Identifiers

PMID34551430
PMCPMC8501980
OpenAlexW3200307056

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.