Submicromolar, Selective G‐Quadruplex Ligands from One Pot: Thermodynamic and Structural Studies of Human Telomeric DNA Binding by Azacyanines

Ö Persil Çetinkol, AE Engelhart, RK Nanjunda… - …, 2008 - Wiley Online Library
The discovery of G-quadruplex structures in nucleic acid sequences associated with cancers
has created intense interest in Gquadruplexes as potential drug targets.[1] These …

Interactions of actinomycin D with human telomeric G-quadruplex DNA

JS Hudson, SC Brooks, DE Graves - Biochemistry, 2009 - ACS Publications
The G-quadruplex structural motif of DNA has emerged as a novel and exciting target for
anticancer drug discovery. The human telomeric G-quadruplex consists of a single strand …

Energetics of ligand binding to G-quadruplexes

C Giancola, B Pagano - Quadruplex Nucleic Acids, 2013 - Springer
G-quadruplex ligands are potential anticancer agents as telomerase inhibitors and potential
transcriptional regulators of oncogenes. The search for best-in-class drugs is addressed to …

Ligand-induced conformational changes with cation ejection upon binding to human telomeric DNA G-quadruplexes

A Marchand, A Granzhan, K Iida… - Journal of the …, 2015 - ACS Publications
The rational design of ligands targeting human telomeric DNA G-quadruplexes is a complex
problem due to the structural polymorphism that these sequences can adopt in physiological …

Interaction of metal complexes with G‐quadruplex DNA

SN Georgiades, NH Abd Karim… - Angewandte Chemie …, 2010 - Wiley Online Library
Guanine‐rich sequences of DNA can assemble into tetrastranded structures known as G‐
quadruplexes. It has been suggested that these secondary DNA structures could be …

Sequence, stability, and structure of G‐quadruplexes and their interactions with drugs

Y Chen, D Yang - Current protocols in nucleic acid chemistry, 2012 - Wiley Online Library
Although DNA is most widely known for its ability to store and pass along genetic
information, the discovery of G‐quadruplex structures has illuminated a new role for DNA in …

Human telomeric G-quadruplex DNA interactions of N-phenanthroline glycosylamine copper (II) complexes

K Duskova, S Sierra, MS Arias-Pérez, L Gude - Bioorganic & Medicinal …, 2016 - Elsevier
We report in this article the interactions of five N-(1, 10-phenanthrolin-5-yl)-β-
glycopyranosylamine copper (II) complexes with G-quadruplex DNA. Specifically, the …

G-quadruplex binding ligands: from naturally occurring to rationally designed molecules

T Vy Thi Le, S Han, J Chae… - Current pharmaceutical …, 2012 - ingentaconnect.com
Guanine-rich nucleic acid sequences are known to form G-quadruplex-four-stranded DNA or
RNA structures stabilized by an array of Hoogsteen hydrogen bonds. G-quadruplex …

Methods for investigating G-quadruplex DNA/ligand interactions

P Murat, Y Singh, E Defrancq - Chemical Society Reviews, 2011 - pubs.rsc.org
DNA is considered an important target for drug design and development. Until recently, the
focus was on double-stranded (duplex) DNA structures. However, it has now been shown …

Quantifying interactions between G-quadruplex DNA and transition-metal complexes

R Kieltyka, P Englebienne, N Moitessier… - G-Quadruplex DNA …, 2010 - Springer
Telomerase inhibition through guanine quadruplex sequestration by small-molecule drugs
is of great current interest as an anticancer strategy. G-quadruplexes (GQs) can be formed at …