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Article Dans Une Revue Cell Chemical Biology Année : 2021

How to untie G-quadruplex knots and why?

Résumé

For over two decades, the prime objective of the chemical biology community studying G-quadruplexes (G4s) has been to use chemicals to interact with and stabilize G4s in cells to obtain mechanistic interpretations. This strategy has been undoubtedly successful, as demonstrated by recent advances. However, these insights have also led to a fundamental rethinking of G4-targeting strategies: due to the prevalence of G4s in the human genome, transcriptome, and ncRNAome (collectively referred to as the G4ome), and their involvement in human diseases, should we continue developing G4-stabilizing ligands or should we invest in designing molecular tools to unfold G4s? Here, we first focus on how, when, and where G4s fold in cells; then, we describe the enzymatic systems that have evolved to counteract G4 folding and how they have been used as tools to manipulate G4s in cells; finally, we present strategies currently being implemented to devise new molecular G4 unwinding agents.
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Dates et versions

hal-03200901 , version 1 (28-04-2021)

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Pauline Lejault, Jérémie Mitteaux, Francesco Rota Sperti, David Monchaud. How to untie G-quadruplex knots and why?. Cell Chemical Biology, 2021, 28 (4), pp.436 - 455. ⟨10.1016/j.chembiol.2021.01.015⟩. ⟨hal-03200901⟩
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