Mechanisms of free radical-induced damage to DNA

M Dizdaroglu, P Jaruga - Free radical research, 2012 - Taylor & Francis
Endogenous and exogenous sources cause free radical-induced DNA damage in living
organisms by a variety of mechanisms. The highly reactive hydroxyl radical reacts with the …

Oxidatively induced DNA damage and its repair in cancer

M Dizdaroglu - Mutation Research/Reviews in Mutation Research, 2015 - Elsevier
Oxidatively induced DNA damage is caused in living organisms by endogenous and
exogenous reactive species. DNA lesions resulting from this type of damage are mutagenic …

Oxidatively induced DNA damage: mechanisms, repair and disease

M Dizdaroglu - Cancer letters, 2012 - Elsevier
Endogenous and exogenous sources cause oxidatively induced DNA damage in living
organisms by a variety of mechanisms. The resulting DNA lesions are mutagenic and …

Troxerutin, a plant flavonoid, protects cells against oxidative stress-induced cell death through radical scavenging mechanism

NA Panat, DK Maurya, SS Ghaskadbi, SK Sandur - Food chemistry, 2016 - Elsevier
Troxerutin (TRX) is a flavonoid present in tea, coffee, cereal grains, various fruits and
vegetables have been reported to exhibit radioprotective, antithrombotic, nephro and hepato …

Comprehensive assessment of antioxidant activities of apigenin isomers: vitexin and isovitexin

S Khole, NA Panat, P Suryawanshi… - Free Radicals and …, 2016 - antiox.org
Introduction: Fenugreek is known to possess anti-diabetic as well as antioxidant properties
known to increase with germination. Previous study from our laboratory has reported vitexin …

Direct observation of the oxidation of DNA bases by phosphate radicals formed under radiation: A model of the backbone-to-base hole transfer

J Ma, JL Marignier, P Pernot, C Houée-Levin… - Physical Chemistry …, 2018 - pubs.rsc.org
In irradiated DNA, by the base-to-base and backbone-to-base hole transfer processes, the
hole (ie, the unpaired spin) localizes on the most electropositive base, guanine. Phosphate …

The two faces of the guanyl radical: Molecular context and behavior

C Chatgilialoglu - Molecules, 2021 - mdpi.com
The guanyl radical or neutral guanine radical G (-H)• results from the loss of a hydrogen
atom (H•) or an electron/proton (e–/H+) couple from the guanine structures (G). The guanyl …

Modification of DNA damage mechanisms by nitric oxide during ionizing radiation

LK Folkes, P O'Neill - Free Radical Biology and Medicine, 2013 - Elsevier
Nitric oxide (• NO) is a very effective radiosensitizer of hypoxic mammalian cells. In vivo• NO
may have effects on tumor vasculature and hence on tumor oxygenation and it may also …

Antioxidant Profiling of C3 Quercetin Glycosides: Quercitrin, Quercetin 3-β-D-glucoside and Quercetin 3-O-(6”-O-malonyl)-β-Dglucoside in cell free environment

NA Panat, BK Amrute, S Bhattu, SK Haram… - Free Radicals and …, 2015 - antiox.org
Abstract Introduction: Flavonoid Quercetin is a major constituent of fruits and vegetables
which naturally exists in the form of its glycosides, foremost as C3 glycosides. Three …

Computational study of the oxidation of guanine to form 5-carboxyamido-5-formamido-2-iminohydantoin (2Ih)

SP Hebert, HB Schlegel - Chemical Research in Toxicology, 2019 - ACS Publications
Oxidative damage to DNA leads to a number of two-electron oxidation products of guanine
such as 8-oxo-7, 8-dihydroguanine (8oxoG). 5-Carboxyamido-5-formamido-2 …