DNA oxidation and excision repair pathways

TH Lee, TH Kang - International journal of molecular sciences, 2019 - mdpi.com
The physiological impact of the aberrant oxidation products on genomic DNA were
demonstrated by embryonic lethality or the cancer susceptibility and/or neurological …

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 …

Chemical analysis of DNA damage

Y Yu, P Wang, Y Cui, Y Wang - Analytical chemistry, 2017 - pmc.ncbi.nlm.nih.gov
In human cells, the integrity of genetic information is constantly challenged by endogenous
and exogenous chemical agents that can induce DNA damage. To counteract the …

Metabolomics profiling reveals defense strategies of Pediococcus pentosaceus R1 isolated from Harbin dry sausages under oxidative stress

H Zhang, J Liu, R Wen, Q Chen, B Kong - LWT, 2021 - Elsevier
The physiological performance and whole-cell metabolomic response of Pediococcus
pentosaceus R1 to oxidative stress were investigated. The response to a sublethal …

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 …

5′, 8-Cyclopurine lesions in DNA damage: Chemical, analytical, biological, and diagnostic significance

C Chatgilialoglu, C Ferreri, NE Geacintov, MG Krokidis… - Cells, 2019 - mdpi.com
Purine 5′, 8-cyclo-2′-deoxynucleosides (cPu) are tandem-type lesions observed among
the DNA purine modifications and identified in mammalian cellular DNA in vivo. These …

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 …

Oxygen dependent purine lesions in double-stranded oligodeoxynucleotides: Kinetic and computational studies highlight the mechanism for 5′, 8-cyclopurine …

C Chatgilialoglu, LA Eriksson, MG Krokidis… - Journal of the …, 2020 - ACS Publications
The reaction of HO• radical with DNA is intensively studied both mechanistically and
analytically for lesions formation. Several aspects related to the reaction paths of purine …

[HTML][HTML] High levels of oxidatively generated DNA damage 8, 5′-cyclo-2′-deoxyadenosine accumulate in the brain tissues of xeroderma pigmentosum group A …

T Mori, H Nakane, T Iwamoto, MG Krokidis… - DNA repair, 2019 - Elsevier
Xeroderma pigmentosum (XP) is a genetic disorder associated with defects in nucleotide
excision repair, a pathway that eliminates a wide variety of helix-distorting DNA lesions …

New insights into the reaction paths of hydroxyl radicals with purine moieties in DNA and double-stranded oligodeoxynucleotides

C Chatgilialoglu, MG Krokidis, A Masi, S Barata-Vallejo… - Molecules, 2019 - mdpi.com
The reaction of hydroxyl radical (HO•) with DNA produces many primary reactive species
and many lesions as final products. In this study, we have examined the optical spectra of …