G-quadruplex targeting in the fight against viruses: An update

E Ruggiero, I Zanin, M Terreri, SN Richter - International journal of …, 2021 - mdpi.com
G-quadruplexes (G4s) are noncanonical nucleic acid structures involved in the regulation of
key cellular processes, such as transcription and replication. Since their discovery, G4s have …

[HTML][HTML] Structural unfolding of G-quadruplexes: From small molecules to antisense strategies

G Fracchioni, S Vailati, M Grazioli, V Pirota - Molecules, 2024 - mdpi.com
G-quadruplexes (G4s) are non-canonical nucleic acid secondary structures that have
gathered significant interest in medicinal chemistry over the past two decades due to their …

Guidelines for G-quadruplexes: I. In vitro characterization

Y Luo, A Granzhan, J Marquevielle, A Cucchiarini… - Biochimie, 2023 - Elsevier
Besides the well-known DNA double-helix, non-canonical nucleic acid structures regulate
crucial biological activities. Among these oddities, guanine-rich DNA sequences can form …

[HTML][HTML] Viral hijacking of hnRNPH1 unveils a G-quadruplex-driven mechanism of stress control

P Schult, BM Kümmerer, M Hafner, K Paeschke - Cell Host & Microbe, 2024 - cell.com
Viral genomes are enriched with G-quadruplexes (G4s), non-canonical structures formed in
DNA or RNA upon assembly of four guanine stretches into stacked quartets. Because of …

The ALS/FTD-related C9orf72 hexanucleotide repeat expansion forms RNA condensates through multimolecular G-quadruplexes

F Raguseo, Y Wang, J Li, M Petrić Howe… - Nature …, 2023 - nature.com
Amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD) are
neurodegenerative diseases that exist on a clinico-pathogenetic spectrum, designated …

Metal-induced G-quadruplex polymorphism for ratiometric and label-free detection of lead pollution in tea

Y Wu, Y Shi, S Deng, C Wu, R Deng, G He, M Zhou… - Food Chemistry, 2021 - Elsevier
Lead pollution are critical concerns for food safety and human health. Herein, a ratiometric
metal-induced G-quadruplex polymorphism was introduced to construct aptamer probes …

A sodium/potassium switch for G4-prone G/C-rich sequences

Y Luo, ML Živković, J Wang, J Ryneš… - Nucleic Acids …, 2024 - academic.oup.com
Metal ions are essential components for the survival of living organisms. For most species,
intracellular and extracellular ionic conditions differ significantly. As G-quadruplexes (G4s) …

G-quadruplex ligands as potent regulators of lysosomes

L Ferret, K Alvarez-Valadez, J Rivière, A Muller… - Autophagy, 2023 - Taylor & Francis
ABSTRACT Guanine-quadruplex structures (G4) are unusual nucleic acid conformations
formed by guanine-rich DNA and RNA sequences and known to control gene expression …

Unraveling the possibilities: Recent progress in DNA biosensing

M Yu, T He, Q Wang, C Cui - Biosensors, 2023 - mdpi.com
Due to the advantages of its numerous modification sites, predictable structure, high thermal
stability, and excellent biocompatibility, DNA is the ideal choice as a key component of …

Selective targeting of parallel G-quadruplex structure using L-RNA aptamer

D Ji, JH Yuan, SB Chen, JH Tan… - Nucleic acids …, 2023 - academic.oup.com
Abstract G-quadruplexes (G4) are special nucleic acid structures with diverse
conformational polymorphisms. Selective targeting of G-quadruplex conformations and …