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 …

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 …

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 …

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 …

Yin Yang 1 contains G-quadruplex structures in its promoter and 5′-UTR and its expression is modulated by G4 resolvase 1

W Huang, PJ Smaldino, Q Zhang, LD Miller… - Nucleic acids …, 2012 - academic.oup.com
Abstract Yin Yang 1 (YY1) is a multifunctional protein with regulatory potential in
tumorigenesis. Ample studies demonstrated the activities of YY1 in regulating gene …

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 …

Characterization of quadruplex DNA structure by circular dichroism

R del Villar‐Guerra, RD Gray… - Current Protocols in …, 2017 - Wiley Online Library
Circular dichroism (CD) is a phenomenon that arises from the differential absorption of left‐
and right‐handed circularly polarized light, and may be seen with optically active molecules …

Comparing ion‐pairing reagents and counter anions for ion‐pair reversed‐phase liquid chromatography/electrospray ionization mass spectrometry analysis of …

L Gong - Rapid Communications in Mass Spectrometry, 2015 - Wiley Online Library
Rationale Ion‐pair reversed‐phase liquid chromatography/electrospray ionization mass
spectrometry (IP‐RP‐LC/ESI‐MS) has been widely used for the quality control of …

Repeated and Folded DNA Sequences and Their Modular Ag106+ Cluster

JT Petty, M Ganguly, IJ Rankine… - The Journal of …, 2018 - ACS Publications
Molecular silver clusters are optical chromophores, and species with distinct spectra form
with DNA strands. One such hybrid chromophore is a violet cluster bound to repeated C2X …

[HTML][HTML] When annealing is detrimental: The case of HMGB1-targeting G-quadruplex aptamers

E Napolitano, A Criscuolo, C Riccardi, C Platella… - International Journal of …, 2024 - Elsevier
In this work, we present the case of the G-quadruplex (G4)-forming aptamers we recently
identified for the recognition of HMGB1, protein involved in inflammation, autoimmune …