DNA quadruple helices in nanotechnology

JL Mergny, D Sen - Chemical Reviews, 2019 - ACS Publications
DNA has played an early and powerful role in the development of bottom-up
nanotechnologies, not least because of DNA's precise, predictable, and controllable …

G-quadruplexes and their ligands: Biophysical methods to unravel G-quadruplex/ligand interactions

T Santos, GF Salgado, EJ Cabrita, C Cruz - Pharmaceuticals, 2021 - mdpi.com
Progress in the design of G-quadruplex (G4) binding ligands relies on the availability of
approaches that assess the binding mode and nature of the interactions between G4 …

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 …

Mass spectrometry of nucleic acid noncovalent complexes

E Largy, A Konig, A Ghosh, D Ghosh… - Chemical …, 2021 - ACS Publications
Nucleic acids have been among the first targets for antitumor drugs and antibiotics. With the
unveiling of new biological roles in regulation of gene expression, specific DNA and RNA …

The diverse structural landscape of quadruplexes

HL Lightfoot, T Hagen, NJ Tatum, J Hall - FEBS letters, 2019 - Wiley Online Library
G‐quadruplexes are secondary structures formed in G‐rich sequences in DNA and RNA.
Considerable research over the past three decades has led to in‐depth insight into these …

G-triplex: A new type of CRISPR-Cas12a reporter enabling highly sensitive nucleic acid detection

T Li, R Hu, J Xia, Z Xu, D Chen, J Xi, BF Liu… - Biosensors and …, 2021 - Elsevier
Abstract CRISPR-Cas12a (Cpf1) trans-cleaves ssDNA and this feature has been widely
harnessed for nucleic acid detection. Herein, we introduce a new type of Cas12a reporter, G …

Folding and misfolding pathways of G-quadruplex DNA

A Marchand, V Gabelica - Nucleic acids research, 2016 - academic.oup.com
G-quadruplexes adopt various folding topologies, but information on their folding pathways
remains scarce. Here, we used electrospray mass spectrometry to detect and quantify the …

G-quadruplex-based aptamers targeting human thrombin: Discovery, chemical modifications and antithrombotic effects

C Riccardi, E Napolitano, C Platella… - Pharmacology & …, 2021 - Elsevier
First studies on thrombin-inhibiting DNA aptamers were reported in 1992, and since then a
large number of anticoagulant aptamers has been discovered. TBA–also named HD1, a 15 …

Label-free detection of miRNA using surface-enhanced Raman spectroscopy

D Li, L Xia, Q Zhou, L Wang, D Chen, X Gao… - Analytical …, 2020 - ACS Publications
miRNA plays a vital role in many biological processes by regulating the expression of target
genes and is considered to be a promising disease biomarker. Although surface-enhanced …

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 …