The structure and function of DNA G-quadruplexes
J Spiegel, S Adhikari, S Balasubramanian - Trends in Chemistry, 2020 - cell.com
Guanine-rich DNA sequences can fold into four-stranded, noncanonical secondary
structures called G-quadruplexes (G4s). G4s were initially considered a structural curiosity …
structures called G-quadruplexes (G4s). G4s were initially considered a structural curiosity …
PM2. 5 exposure and asthma development: the key role of oxidative stress
K Liu, S Hua, L Song - Oxidative Medicine and Cellular …, 2022 - Wiley Online Library
Oxidative stress is defined as the imbalance between reactive oxygen species (ROS)
production and the endogenous antioxidant defense system, leading to cellular damage …
production and the endogenous antioxidant defense system, leading to cellular damage …
G-quadruplex based biosensor: A potential tool for SARS-CoV-2 detection
H Xi, M Juhas, Y Zhang - Biosensors and Bioelectronics, 2020 - Elsevier
G-quadruplex is a non-canonical nucleic acid structure formed by the folding of guanine rich
DNA or RNA. The conformation and function of G-quadruplex are determined by a number …
DNA or RNA. The conformation and function of G-quadruplex are determined by a number …
Interplay of guanine oxidation and G-quadruplex folding in gene promoters
AM Fleming, CJ Burrows - Journal of the American Chemical …, 2019 - ACS Publications
Living in an oxygen atmosphere demands an ability to thrive in the presence of reactive
oxygen species (ROS). Aerobic organisms have successfully found solutions to the oxidative …
oxygen species (ROS). Aerobic organisms have successfully found solutions to the oxidative …
Crosstalk between G-quadruplex and ROS
S Wu, L Jiang, L Lei, C Fu, J Huang, Y Hu… - Cell Death & …, 2023 - nature.com
The excessive production of reactive oxygen species (ROS) can lead to single nucleic acid
base damage, DNA strand breakage, inter-and intra-strand cross-linking of nucleic acids …
base damage, DNA strand breakage, inter-and intra-strand cross-linking of nucleic acids …
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 …
occurring when G-rich sequences are present. The strategic localization of G4s in genome …
G-Quadruplex loops regulate PARP-1 enzymatic activation
AD Edwards, JC Marecki, AK Byrd, J Gao… - Nucleic Acids …, 2021 - academic.oup.com
G-Quadruplexes are non-B form DNA structures present at regulatory regions in the
genome, such as promoters of proto-oncogenes and telomeres. The prominence in such …
genome, such as promoters of proto-oncogenes and telomeres. The prominence in such …
Impact of G-quadruplexes on the regulation of genome integrity, DNA damage and repair
AV Pavlova, EA Kubareva, MV Monakhova, MI Zvereva… - Biomolecules, 2021 - mdpi.com
DNA G-quadruplexes (G4s) are known to be an integral part of the complex regulatory
systems in both normal and pathological cells. At the same time, the ability of G4s to impede …
systems in both normal and pathological cells. At the same time, the ability of G4s to impede …
Genome-wide analysis of 8-oxo-7, 8-dihydro-2'-deoxyguanosine at single-nucleotide resolution unveils reduced occurrence of oxidative damage at G-quadruplex …
Oxo-7, 8-dihydro-2′-deoxyguanosine (OG), one of the most common oxidative DNA
damages, causes genome instability and is associated with cancer, neurological diseases …
damages, causes genome instability and is associated with cancer, neurological diseases …
Roles for the 8-oxoguanine DNA repair system in protecting telomeres from oxidative stress
M De Rosa, SA Johnson, PL Opresko - Frontiers in cell and …, 2021 - frontiersin.org
Telomeres are protective nucleoprotein structures that cap linear chromosome ends and
safeguard genome stability. Progressive telomere shortening at each somatic cell division …
safeguard genome stability. Progressive telomere shortening at each somatic cell division …