Cellular Visualization of G-Quadruplex RNA via Fluorescence-Lifetime Imaging Microscopy

J Robinson, SG Stenspil, K Maleckaite… - Journal of the …, 2023 - ACS Publications
Over the past decade, appreciation of the roles of G-quadruplex (G4) structures in cellular
regulation and maintenance has rapidly grown, making the establishment of robust methods …

Molecular engineering of a wash-free, clover-like G-quadruplex fluorescent probe that exploits a new mechanism of disaggregation-and-binding-induced emission

XD Wang, MH Hu - Sensors and Actuators B: Chemical, 2023 - Elsevier
In this study, we raised a brand-new principle termed disaggregation-and-binding-induced
emission (DBIE) for the design of G4 fluorescent probes, which may overcome the …

HNRNPH1-dependent splicing of a fusion oncogene reveals a targetable RNA G-quadruplex interaction

C Neckles, RE Boer, N Aboreden, AM Cross… - Rna, 2019 - rnajournal.cshlp.org
The primary oncogenic event in∼ 85% of Ewing sarcomas is a chromosomal translocation
that generates a fusion oncogene encoding an aberrant transcription factor. The exact …

Fluorescent probes for selective recognition of hypobromous acid: achievements and future perspectives

Y Fang, W Dehaen - Molecules, 2021 - mdpi.com
Reactive oxygen species (ROS) have been implicated in numerous pathological processes
and their homeostasis facilitates the dynamic balance of intracellular redox states. Among …

[HTML][HTML] Modulation of DNA structure formation using small molecules

IMA Del Mundo, KM Vasquez, G Wang - Biochimica et Biophysica Acta …, 2019 - Elsevier
Genome integrity is essential for proper cell function such that genetic instability can result in
cellular dysfunction and disease. Mutations in the human genome are not random, and …

G-tetrad-selective ligand binding kinetics in G-quadruplex DNA probed with fluorescence correlation spectroscopy

NS Clovis, S Sen - The Journal of Physical Chemistry B, 2022 - ACS Publications
Probing the kinetics of ligand binding to biomolecules is of paramount interest in biology and
pharmacology. Measurements of such kinetic processes provide information on the rate …

Development of a near-infrared fluorescent ligand that visualizes and stabilizes G-quadruplexes by decorating the triphenylamine scaffold

X Wang, BY Yu, JH Lin, Y Yan, MH Hu - Sensors and Actuators B …, 2021 - Elsevier
Abstract G-quadruplex (G4) structures are often enriched in cancer-driving genes with
elevated transcriptional activity, which are now treated as potential targets for cancer …

Lighting-Up the Far-Red Fluorescence of RNA-Selective Dyes by Switching from Ortho to Para Position

A Cesaretti, E Calzoni, N Montegiove… - International Journal of …, 2023 - mdpi.com
Fluorescence imaging is constantly searching for new far-red emitting probes whose turn-on
response is selective upon the interaction with specific biological targets. Cationic push-pull …

Ligands of G-quadruplex nucleic acids

DV Andreeva, AS Tikhomirov… - Russian Chemical …, 2021 - iopscience.iop.org
The review summarizes advances in the development of low-molecular-weight ligands for G-
quadruplex (G4) nucleic acid structures published in the past five years. Main chemical …

Dye-functionalized phosphate-binding macrocycles: from nucleotide to G-quadruplex recognition and “turn-on” fluorescence sensing

AS Oshchepkov, O Reznichenko, D Xu… - Chemical …, 2021 - pubs.rsc.org
A novel strategy to design “turn-on” fluorescent receptors for G-quadruplexes of DNA is
presented, which relies on the connection of phosphate binding macrocycles (PBM) with …