G-quadruplex oligonucleotide AS1411 as a cancer-targeting agent: Uses and mechanisms

PJ Bates, EM Reyes-Reyes, MT Malik… - … et Biophysica Acta (BBA …, 2017 - Elsevier
Background AS1411 is a 26-mer G-rich DNA oligonucleotide that forms a variety of G-
quadruplex structures. It was identified based on its cancer-selective antiproliferative activity …

Fluorescent probes for G‐quadruplex structures

BR Vummidi, J Alzeer, NW Luedtke - ChemBioChem, 2013 - Wiley Online Library
Mounting evidence supports the presence of biologically relevant G‐quadruplexes in single‐
cell organisms, but the existence of endogenous G‐quadruplex structures in mammalian …

Role of alkali metal ions in G-quadruplex nucleic acid structure and stability

E Largy, JL Mergny, V Gabelica - The alkali metal ions: Their role for life, 2016 - Springer
G-quadruplexes are guanine-rich nucleic acids that fold by forming successive quartets of
guanines (the G-tetrads), stabilized by intra-quartet hydrogen bonds, inter-quartet stacking …

Beyond small molecules: targeting G-quadruplex structures with oligonucleotides and their analogues

E Cadoni, L De Paepe, A Manicardi… - Nucleic Acids …, 2021 - academic.oup.com
Abstract G-Quadruplexes (G4s) are widely studied secondary DNA/RNA structures, naturally
occurring when G-rich sequences are present. The strategic localization of G4s in genome …

The hTERT core promoter forms three parallel G-quadruplexes

RC Monsen, L DeLeeuw, WL Dean… - Nucleic acids …, 2020 - academic.oup.com
The structure of the 68 nt sequence with G-quadruplex forming potential within the hTERT
promoter is disputed. One model features a structure with three stacked parallel G …

Quadruplex turncoats: cation-dependent folding and stability of quadruplex-DNA double switches

E Largy, A Marchand, S Amrane… - Journal of the …, 2016 - ACS Publications
Quadruplex (G4) nucleic acids, a family of secondary structures formed by guanine-rich
sequences, exhibit an important structural polymorphism. We demonstrate here that G-rich …

G-quadruplexes in human promoters: A challenge for therapeutic applications

R Rigo, M Palumbo, C Sissi - Biochimica et Biophysica Acta (BBA)-General …, 2017 - Elsevier
Background G-rich sequences undergo unique structural equilibria to form G-quadruplexes
(G4) both in vitro and in cell systems. Several pathologies emerged to be directly related to …

Folding dynamics of polymorphic G‐quadruplex structures

JT Grün, H Schwalbe - Biopolymers, 2022 - Wiley Online Library
Abstract G‐quadruplexes (G4), found in numerous places within the human genome, are
involved in essential processes of cell regulation. Chromosomal DNA G4s are involved for …

The solution structures of higher-order human telomere G-quadruplex multimers

RC Monsen, S Chakravarthy, WL Dean… - Nucleic Acids …, 2021 - academic.oup.com
Human telomeres contain the repeat DNA sequence 5′-d (TTAGGG), with duplex regions
that are several kilobases long terminating in a 3′ single-stranded overhang. The structure …

Shape matters: size-exclusion HPLC for the study of nucleic acid structural polymorphism

E Largy, JL Mergny - Nucleic acids research, 2014 - academic.oup.com
In recent years, an increasing number of reports have been focused on the structure and
biological role of non-canonical nucleic acid secondary structures. Many of these studies …