G-quadruplexes at telomeres: friend or foe?

TM Bryan - Molecules, 2020 - mdpi.com
Telomeres are DNA-protein complexes that cap and protect the ends of linear
chromosomes. In almost all species, telomeric DNA has a G/C strand bias, and the short …

G-quadruplex structures: in vivo evidence and function

HJ Lipps, D Rhodes - Trends in cell biology, 2009 - cell.com
Although many biochemical and structural studies have demonstrated that DNA sequences
containing runs of adjacent guanines spontaneously fold into G-quadruplex DNA structures …

G-quadruplex structures mark human regulatory chromatin

R Hänsel-Hertsch, D Beraldi, SV Lensing, G Marsico… - Nature …, 2016 - nature.com
Abstract G-quadruplex (G4) structural motifs have been linked to transcription 1, 2,
replication 3 and genome instability 4, 5 and are implicated in cancer and other diseases 6 …

Quantitative visualization of DNA G-quadruplex structures in human cells

G Biffi, D Tannahill, J McCafferty… - Nature chemistry, 2013 - nature.com
Four-stranded G-quadruplex nucleic acid structures are of great interest as their high
thermodynamic stability under near-physiological conditions suggests that they could form in …

Small-molecule–induced DNA damage identifies alternative DNA structures in human genes

R Rodriguez, KM Miller, JV Forment… - Nature chemical …, 2012 - nature.com
Guanine-rich DNA sequences that can adopt non–Watson-Crick structures in vitro are
prevalent in the human genome. Whether such structures normally exist in mammalian cells …

Mammalian telomeres resemble fragile sites and require TRF1 for efficient replication

A Sfeir, ST Kosiyatrakul, D Hockemeyer, SL MacRae… - Cell, 2009 - cell.com
Telomeres protect chromosome ends through the interaction of telomeric repeats with
shelterin, a protein complex that represses DNA damage signaling and DNA repair …

Stability and kinetics of G-quadruplex structures

AN Lane, JB Chaires, RD Gray… - Nucleic acids research, 2008 - academic.oup.com
In this review, we give an overview of recent literature on the structure and stability of
unimolecular G-rich quadruplex structures that are relevant to drug design and for in vivo …

DNA helicases involved in DNA repair and their roles in cancer

RM Brosh Jr - Nature Reviews Cancer, 2013 - nature.com
Helicases have major roles in genome maintenance by unwinding structured nucleic acids.
Their prominence is marked by various cancers and genetic disorders that are linked to …

Targeting BRCA1 and BRCA2 deficiencies with G-quadruplex-interacting compounds

J Zimmer, EMC Tacconi, C Folio, S Badie, M Porru… - Molecular cell, 2016 - cell.com
Summary G-quadruplex (G4)-forming genomic sequences, including telomeres, represent
natural replication fork barriers. Stalled replication forks can be stabilized and restarted by …

Human telomeric G‐quadruplex: The current status of telomeric G‐quadruplexes as therapeutic targets in human cancer

S Neidle - The FEBS journal, 2010 - Wiley Online Library
The 3′‐ends of human chromosomal DNA terminate in short single‐stranded guanine‐rich
tandem‐repeat sequences. In cancer cells, these are associated with the telomere …