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Issue 9, 2020
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Chemical-biology approaches to probe DNA and RNA G-quadruplex structures in the genome

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Abstract

G-quadruplexes are nucleic acids secondary structures that can be formed in guanine-rich sequences. More than 30 years ago, their formation was first observed in telomeric DNA. Since then, a number of other sequences capable of forming G-quadruplex structures have been described and increasing evidence supporting their formation in the context of living cells has been accumulated. To fully underpin the biological significance of G-quadruplexes and their potential as therapeutic targets, several chemical-biology tools and methods have been developed to map and visualise these nucleic acids secondary structures in human cells. In this review, we critically present the most relevant methods developed to investigate G-quadruplex prevalence in human cells and to study their biological functions, presenting the next key chemical-biology challenges that need to be addressed to fully unravel G-quadruplex mediated biology and their therapeutic potential.

Graphical abstract: Chemical-biology approaches to probe DNA and RNA G-quadruplex structures in the genome

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Article information


Submitted
22 Nov 2019
Accepted
23 Dec 2019
First published
23 Dec 2019

Chem. Commun., 2020,56, 1317-1324
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Chemical-biology approaches to probe DNA and RNA G-quadruplex structures in the genome

F. Raguseo, S. Chowdhury, A. Minard and M. Di Antonio, Chem. Commun., 2020, 56, 1317
DOI: 10.1039/C9CC09107F

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