DNA damage by reactive species: Mechanisms, mutation and repair

NR Jena - Journal of biosciences, 2012 - Springer
DNA is continuously attacked by reactive species that can affect its structure and function
severely. Structural modifications to DNA mainly arise from modifications in its bases that …

Peroxisomes and cancer: The role of a metabolic specialist in a disease of aberrant metabolism

MS Dahabieh, E Di Pietro, M Jangal… - … et Biophysica Acta (BBA …, 2018 - Elsevier
Cancer is irrevocably linked to aberrant metabolic processes. While once considered a
vestigial organelle, we now know that peroxisomes play a central role in the metabolism of …

[HTML][HTML] On the epigenetic role of guanosine oxidation

M Giorgio, GI Dellino, V Gambino, PG Pelicci - Redox Biology, 2020 - Elsevier
Chemical modifications of DNA and RNA regulate genome functions or trigger mutagenesis
resulting in aging or cancer. Oxidations of macromolecules, including DNA, are common …

Hydroxyl Radical (OH) Reaction with Guanine in an Aqueous Environment: A DFT Study

A Kumar, V Pottiboyina, MD Sevilla - The Journal of Physical …, 2011 - ACS Publications
The reaction of hydroxyl radical (OH•) with DNA accounts for about half of radiation-induced
DNA damage in living systems. Previous literature reports point out that the reaction of OH• …

Formation of ring-opened and rearranged products of guanine: mechanisms and biological significance

NR Jena, PC Mishra - Free Radical Biology and Medicine, 2012 - Elsevier
DNA damage by endogenous and exogenous agents is a serious concern, as the damaged
products can affect genome integrity severely. Damage to DNA may arise from various …

Atomic-scale insight into the interactions between hydroxyl radicals and DNA in solution using the ReaxFF reactive force field

CCW Verlackt, EC Neyts, T Jacob… - New Journal of …, 2015 - iopscience.iop.org
Cold atmospheric pressure plasmas have proven to provide an alternative treatment of
cancer by targeting tumorous cells while leaving their healthy counterparts unharmed …

An exploration of mechanisms for the transformation of 8-oxoguanine to guanidinohydantoin and spiroiminodihydantoin by density functional theory

BH Munk, CJ Burrows, HB Schlegel - Journal of the American …, 2008 - ACS Publications
The potential energy surface for formation of 2-amino-5-hydroxy-7, 9-dihydropurine-6, 8-
dione (5-OH-OG), guanidinohydantoin (Gh) and spiroiminodihydantoin (Sp) from 8 …

New perspectives in cancer biology from a study of canonical and non-canonical functions of base excision repair proteins with a focus on early steps

MC Malfatti, G Antoniali, M Codrich, S Burra… - …, 2020 - academic.oup.com
Alterations of DNA repair enzymes and consequential triggering of aberrant DNA damage
response (DDR) pathways are thought to play a pivotal role in genomic instabilities …

Scavenging mechanism of curcumin toward the hydroxyl radical: a theoretical study of reactions producing ferulic acid and vanillin

N Agnihotri, PC Mishra - The Journal of Physical Chemistry A, 2011 - ACS Publications
Curcumin is known to be an antioxidant, as it can scavenge free radicals from biological
media. A sequence of H-abstraction and addition reactions involving up to eight OH radicals …

Multi-level molecular modelling for plasma medicine

A Bogaerts, N Khosravian, J Van der Paal… - Journal of Physics D …, 2015 - iopscience.iop.org
Modelling at the molecular or atomic scale can be very useful for obtaining a better insight in
plasma medicine. This paper gives an overview of different atomic/molecular scale …