Chemical insights into oxidative and nitrative modifications of DNA

CMC Andrés, JMP Lastra, CA Juan, FJ Plou… - International Journal of …, 2023 - mdpi.com
This review focuses on DNA damage caused by a variety of oxidizing, alkylating, and
nitrating species, and it may play an important role in the pathophysiology of inflammation …

On the relevance of hydroxyl radical to purine DNA damage

C Chatgilialoglu, C Ferreri, MG Krokidis… - Free radical …, 2021 - Taylor & Francis
Hydroxyl radical (HO•) is the most reactive toward DNA among the reactive oxygen species
(ROS) generated in aerobic organisms by cellular metabolisms. HO• is generated also by …

Hydroxyl radical vs. one-electron oxidation reactivities in an alternating GC double-stranded oligonucleotide: A new type electron hole stabilization

A Masi, A Capobianco, K Bobrowski, A Peluso… - Biomolecules, 2023 - mdpi.com
We examined the reaction of hydroxyl radicals (HO•) and sulfate radical anions (SO4•−),
which is generated by ionizing radiation in aqueous solutions under anoxic conditions, with …

Iron Fenton oxidation of 2′-deoxyguanosine in physiological bicarbonate buffer yields products consistent with the reactive oxygen species carbonate radical anion …

AM Fleming, CJ Burrows - Chemical Communications, 2020 - pubs.rsc.org
Product analysis from the iron Fenton oxidation of 2′-deoxyguanosine found reactions in
bicarbonate buffer yield 8-oxo-2′-deoxyguanosine and spiroiminodihyantoin consistent …

Radical Reactions in Organic Synthesis: Exploring in-, on-, and with-Water Methods

C Chatgilialoglu, S Barata-Vallejo, T Gimisis - Molecules, 2024 - mdpi.com
Radical reactions in water or aqueous media are important for organic synthesis, realizing
high-yielding processes under non-toxic and environmentally friendly conditions. This …

Effects of Aging and Disease Conditions in Brain of Tumor-Bearing Mice: Evaluation of Purine DNA Damages and Fatty Acid Pool Changes

MG Krokidis, P Prasinou, EK Efthimiadou, A Boari… - Biomolecules, 2022 - mdpi.com
The consequences of aging and disease conditions in tissues involve reactive oxygen
species (ROS) and related molecular alterations of different cellular compartments. We …

Assessing the formation of purine lesions in mitochondrial DNA of Cockayne syndrome cells

C Chatgilialoglu, MG Krokidis, A Masi, S Barata-Vallejo… - Biomolecules, 2022 - mdpi.com
Mitochondrial (mt) DNA and nuclear (n) DNA have known structures and roles in cells;
however, they are rarely compared under specific conditions such as oxidative or …

Advances in nucleic acid research: Exploring the potential of oligonucleotides for therapeutic applications and biological studies

M Moccia, B Pascucci, M Saviano, MT Cerasa… - International Journal of …, 2023 - mdpi.com
In recent years, nucleic acids have emerged as powerful biomaterials, revolutionizing the
field of biomedicine. This review explores the multifaceted applications of nucleic acids …

Oxygen-dependent accumulation of purine DNA lesions in Cockayne Syndrome cells

MG Krokidis, M D'Errico, B Pascucci, E Parlanti, A Masi… - Cells, 2020 - mdpi.com
Cockayne Syndrome (CS) is an autosomal recessive neurodegenerative premature aging
disorder associated with defects in nucleotide excision repair (NER). Cells from CS patients …

LET Dependence of 8-Hydroxy-2′-deoxyguanosine (8-OHdG) Generation in Mammalian Cells under Air-Saturated and Hypoxic Conditions: A Possible Experimental …

A Ito, S Kitabatake, W Furuichi, N Takase… - Radiation …, 2024 - meridian.allenpress.com
One of the most distinguished features in biological effects of heavy ions would be the
decrease of oxygen effect in the high-LET region. This feature has been referred to as the …