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Updated: Jun 24, 2026

Single-Molecule Fluorescence Visualization of DNA Polymerase Dynamics at G-Quadruplexes
05:37

Single-Molecule Fluorescence Visualization of DNA Polymerase Dynamics at G-Quadruplexes

Published on: April 4, 2025

Function and targeting of G-quadruplexes.

Han Min Wong1, Linda Payet, Julian Leon Huppert

  • 1University of Cambridge, Cavendish Laboratory, J J Thomson Avenue, Cambridge, UK.

Current Opinion in Molecular Therapeutics
|March 31, 2009
PubMed
Summary

Guanine-rich DNA and RNA can form G-quadruplex structures with important biological roles. This review covers their functions and the development of G-quadruplex-targeting drugs for cancer therapy.

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Area of Science:

  • Molecular Biology
  • Biochemistry
  • Drug Discovery

Background:

  • Guanine-rich sequences in DNA and RNA can form G-quadruplexes.
  • These structures are four-stranded helices stabilized by a guanine core.
  • G-quadruplexes are implicated in critical biological processes.

Purpose of the Study:

  • To review the physiological functions of G-quadruplex structures.
  • To outline current knowledge on G-quadruplex ligand and drug development.
  • To highlight G-quadruplexes as targets for anticancer therapies.

Main Methods:

  • Literature review of G-quadruplex biological roles.
  • Analysis of G-quadruplex ligand and drug development strategies.
  • Discussion of G-quadruplexes in cancer therapy.

Main Results:

  • G-quadruplexes play roles in telomerase inhibition, gene transcription, and translation.
  • Active research is ongoing for developing drugs targeting G-quadruplexes.
  • These structures show promise for novel anticancer treatments.

Conclusions:

  • G-quadruplexes are versatile nucleic acid structures with significant biological implications.
  • Targeting G-quadruplexes represents a promising avenue for developing new cancer drugs.
  • Further research into G-quadruplexes will advance both fundamental biology and therapeutic strategies.

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