The structure and function of DNA G-quadruplexes

J Spiegel, S Adhikari, S Balasubramanian - Trends in Chemistry, 2020 - cell.com
Guanine-rich DNA sequences can fold into four-stranded, noncanonical secondary
structures called G-quadruplexes (G4s). G4s were initially considered a structural curiosity …

G-quadruplex DNA: a novel target for drug design

FY Teng, ZZ Jiang, M Guo, XZ Tan, F Chen… - Cellular and Molecular …, 2021 - Springer
Abstract G-quadruplex (G4) DNA is a type of quadruple helix structure formed by a
continuous guanine-rich DNA sequence. Emerging evidence in recent years authenticated …

Properties and biological impact of RNA G-quadruplexes: from order to turmoil and back

P Kharel, G Becker, V Tsvetkov… - Nucleic acids research, 2020 - academic.oup.com
Abstract Guanine-quadruplexes (G4s) are non-canonical four-stranded structures that can
be formed in guanine (G) rich nucleic acid sequences. A great number of G-rich sequences …

Selective discrimination and classification of G-quadruplex structures with a host–guest sensing array

J Chen, BL Hickey, L Wang, J Lee, AD Gill, A Favero… - Nature Chemistry, 2021 - nature.com
The secondary structures of nucleic acids have an important influence on their cellular
functions but can be difficult to identify and classify quickly. Here, we show that an arrayed …

Recent advances on G-quadruplex for biosensing, bioimaging and cancer therapy

J Xu, R Jiang, H He, C Ma, Z Tang - TrAC Trends in Analytical Chemistry, 2021 - Elsevier
G-quadruplex is a three-dimensional secondary structure of nucleic acids formed by the
Hoogsteen hydrogen pairing of four guanines. Diverse topologies of G-quadruplex could be …

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 …

Long promoter sequences form higher-order G-quadruplexes: an integrative structural biology study of c-Myc, k-Ras and c-Kit promoter sequences

RC Monsen, LW DeLeeuw, WL Dean… - Nucleic Acids …, 2022 - academic.oup.com
We report on higher-order G-quadruplex structures adopted by long promoter sequences
obtained by an iterative integrated structural biology approach. Our approach uses …

G4-PROTAC: targeted degradation of a G-quadruplex binding protein

H LingáSeah, K WaiáLim, A TuÔnáPhan - Chemical …, 2021 - pubs.rsc.org
G-quadruplex (G4) binding proteins regulate important biological processes, but their
interaction networks are poorly understood. We report the first use of G4 as a warhead of a …

G-quadruplexes in cancer-related gene promoters: from identification to therapeutic targeting

F Romano, A Di Porzio, N Iaccarino… - Expert Opinion on …, 2023 - Taylor & Francis
Introduction Guanine-rich DNA sequences can fold into four-stranded noncanonical
secondary structures called G-quadruplexes (G4s) which are widely distributed in functional …

Guiding the folding of G-quadruplexes through loop residue interactions

J Jana, YM Vianney, N Schröder… - Nucleic Acids …, 2022 - academic.oup.com
A G-rich sequence was designed to allow folding into either a stable parallel or hybrid-type
topology. With the parent sequence featuring coexisting species, various related sequences …