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Single-molecule Manipulation of G-quadruplexes by Magnetic Tweezers
Published on: September 19, 2017
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Targeting G-quadruplexes to achieve antiviral activity
Emanuela Ruggiero1, Sara N Richter2
1Department of Molecular Medicine, University of Padua, Italy.
Bioorganic & Medicinal Chemistry Letters
|November 24, 2022
Summary
New antiviral strategies are needed due to emerging viruses. G-quadruplex (G4)-binding molecules show promise by targeting unique viral nucleic acid structures, offering a novel approach to antiviral drug development.
Area of Science:
- Virology
- Molecular Biology
- Medicinal Chemistry
Background:
- Emerging viruses and rapid mutation rates necessitate novel antiviral targets and therapies.
- Current antiviral drugs primarily target viral proteins, with limited focus on direct nucleic acid targeting.
- Non-canonical nucleic acid structures, such as G-quadruplexes (G4s), are increasingly recognized for their biological significance.
Purpose of the Study:
- To review the antiviral potential of G-quadruplex (G4)-binding molecules.
- To elucidate the mechanisms underlying the antiviral activity of G4-ligands.
- To explore G4s as a novel target for next-generation antiviral drug design.
Main Methods:
- Review of existing literature on viruses, G-quadruplexes, and G4-binding molecules.
- Analysis of reported antiviral activities associated with G4-ligand interactions.
- Commentary on the mechanistic basis of antiviral effects mediated by G4 targeting.
Main Results:
- G-quadruplexes (G4s) represent a class of non-canonical nucleic acid structures with significant biological roles.
- Molecules designed to selectively bind G4s have demonstrated antiviral properties.
- These G4-binding molecules offer a potential strategy for targeting viral infections.
Conclusions:
- G-quadruplexes (G4s) are emerging as promising targets for antiviral drug development.
- Understanding the mechanisms of G4-ligand action within infected cells is crucial.
- Further research into G4-targeting molecules could lead to the development of next-generation antiviral therapies.

