Formation of UV-induced DNA damage contributing to skin cancer development
UV-induced DNA damage plays a key role in the initiation phase of skin cancer. When left
unrepaired or when damaged cells are not eliminated by apoptosis, DNA lesions express …
unrepaired or when damaged cells are not eliminated by apoptosis, DNA lesions express …
Formation and repair of oxidatively generated damage in cellular DNA
In this review article, emphasis is placed on the critical survey of available data concerning
modified nucleobase and 2-deoxyribose products that have been identified in cellular DNA …
modified nucleobase and 2-deoxyribose products that have been identified in cellular DNA …
Guanine radicals induced in DNA by low-energy photoionization
Conspectus Guanine (G) radicals are precursors to DNA oxidative damage, correlated with
carcinogenesis and aging. During the past few years, we demonstrated clearly an intriguing …
carcinogenesis and aging. During the past few years, we demonstrated clearly an intriguing …
Adenine radical cation formation by a ligand-centered excited state of an intercalated chromium polypyridyl complex leads to enhanced DNA photo-oxidation
FA Baptista, D Krizsan, M Stitch… - Journal of the …, 2021 - ACS Publications
Assessment of the DNA photo-oxidation and synthetic photocatalytic activity of chromium
polypyridyl complexes is dominated by consideration of their long-lived metal-centered …
polypyridyl complexes is dominated by consideration of their long-lived metal-centered …
Absorption of low-energy UV radiation by human telomere G-quadruplexes generates long-lived guanine radical cations
A Banyasz, L Martinez-Fernandez, C Balty… - Journal of the …, 2017 - ACS Publications
Telomeres, which are involved in cell division, carcinogenesis, and aging and constitute
important therapeutic targets, are prone to oxidative damage. This propensity has been …
important therapeutic targets, are prone to oxidative damage. This propensity has been …
Plasmon-Mediated Photoelectrochemical Hot-Hole Oxidation Coupling Reactions of Adenine on Nanostructured Silver Electrodes
Surface-enhanced Raman spectroscopy (SERS) has been widely applied in the
identification and characterization of DNA structures with high efficiency. Especially, the …
identification and characterization of DNA structures with high efficiency. Especially, the …
Contribution of oxidation reactions to photo‐induced damage to cellular DNA
This review article is aimed at providing updated information on the contribution of
immediate and delayed oxidative reactions to the photo‐induced damage to cellular …
immediate and delayed oxidative reactions to the photo‐induced damage to cellular …
Studying the excited electronic states of guanine rich DNA quadruples by quantum mechanical methods: main achievements and perspectives
The main insights into the photoactivated dynamics of guanine quadruplexes (G4s) recently
provided by quantum mechanical computations are concisely reviewed here. The …
provided by quantum mechanical computations are concisely reviewed here. The …
Adenine radicals generated in alternating AT duplexes by direct absorption of low-energy UV radiation
A Banyasz, T Ketola, L Martínez-Fernández… - Faraday …, 2018 - pubs.rsc.org
There is increasing evidence that the direct absorption of photons with energies that are
lower than the ionization potential of nucleobases may result in oxidative damage to DNA …
lower than the ionization potential of nucleobases may result in oxidative damage to DNA …
Exciton trap** dynamics in DNA multimers
Using as a model the single adenine strand (dA) 20, we study the ultrafast evolution of
electronic excitations in DNA with a time resolution of 30 fs. Our transient absorption spectra …
electronic excitations in DNA with a time resolution of 30 fs. Our transient absorption spectra …