An overview of chemical processes that damage cellular DNA: spontaneous hydrolysis, alkylation, and reactions with radicals

KS Gates - Chemical research in toxicology, 2009 - ACS Publications
The sequence of heterocyclic bases on the interior of the DNA double helix constitutes the
genetic code that drives the operation of all living organisms. With this said, it is not …

Oxidatively generated base damage to cellular DNA

J Cadet, T Douki, JL Ravanat - Free Radical Biology and Medicine, 2010 - Elsevier
Search for the formation of oxidatively base damage in cellular DNA has been a matter of
debate for more than 40years due to the lack of accurate methods for the measurement of …

Occurrence, biological consequences, and human health relevance of oxidative stress-induced DNA damage

Y Yu, Y Cui, LJ Niedernhofer… - Chemical research in …, 2016 - ACS Publications
A variety of endogenous and exogenous agents can induce DNA damage and lead to
genomic instability. Reactive oxygen species (ROS), an important class of DNA damaging …

Oxidatively generated base damage to cellular DNA by hydroxyl radical and one-electron oxidants: similarities and differences

J Cadet, JR Wagner - Archives of biochemistry and biophysics, 2014 - Elsevier
Hydroxyl radical (radical dot OH) and one-electron oxidants that may be endogenously
formed through oxidative metabolism, phagocytosis, inflammation and pathological …

One-electron oxidation reactions of purine and pyrimidine bases in cellular DNA

J Cadet, JR Wagner, V Shafirovich… - International journal of …, 2014 - Taylor & Francis
Purpose: The aim of this survey is to critically review the available information on one-
electron oxidation reactions of nucleobases in cellular DNA with emphasis on damage …

The emerging roles of ac4C acetylation “writer” NAT10 in tumorigenesis: a comprehensive review

L Wang, Y Tao, J Zhai, M Xue, C Zheng, H Hu - International Journal of …, 2024 - Elsevier
The quick progress of epigenetic study has kindled new hope for treating many cancers.
When it comes to RNA epigenetics, the ac4C acetylation modification is showing promise …

Activation of DNA carbon− hydrogen bonds by metal complexes

M Pitié, G Pratviel - Chemical reviews, 2010 - ACS Publications
Inert CrH bond functionalization is usually performed by dioxygen-utilizing enzymes through
the insertion of an oxygen atom into the CrH bond. Alternative reactions include …

DNA lesions induced by UV A1 and B radiation in human cells: Comparative analyses in the overall genome and in the p53 tumor suppressor gene

A Besaratinia, TW Synold, HH Chen, C Chang… - Proceedings of the …, 2005 - pnas.org
The UV components of sunlight (UVA and UVB) are implicated in the etiology of human skin
cancer. The underlying mechanism of action for UVB carcinogenicity is well defined; …

Bulky DNA lesions induced by reactive oxygen species

Y Wang - Chemical research in toxicology, 2008 - ACS Publications
The integrity of the human genome is frequently challenged by endogenous and exogenous
agents, and reactive oxygen species (ROS) constitute the major endogenous source of DNA …

The 8, 5′-cyclopurine-2′-deoxynucleosides: candidate neurodegenerative DNA lesions in xeroderma pigmentosum, and unique probes of transcription and …

PJ Brooks - DNA repair, 2008 - Elsevier
It is a commonly held view that oxidatively induced DNA lesions are repaired by the base
excision repair (BER) pathway, whereas DNA lesions induced by UV light and other “bulky” …