Different Mechanisms of DNA Radiosensitization by 8-Bromoadenosine and 2′-Deoxy-2′-fluorocytidine Observed on DNA Origami Nanoframe Supports

L Sala, H Lyshchuk, J Šáchová… - The Journal of …, 2022 - ACS Publications
DNA origami nanoframes with two parallel DNA sequences are used to evaluate the effect of
nucleoside substituents on radiation-induced DNA damage. Double strand breaks (DSB) of …

DNA Damage Radiosensitizers Geared Towards Hydrated Electrons

M Zdrowowicz, L Chomicz-Mańka, K Butowska… - Practical Aspects of …, 2022 - Springer
Hypoxia, a hallmark of solid tumors, which account for ca. 80% of cancer cases, makes the
cancer cells resistant toward ionizing radiation and as a consequence to radiotherapy, one …

Unravelling the factors affecting the stability and reactivity of dehydro-pyrazole, isothiazole and isoxazole radical isomers: a computational study

A Mahadevan, P Kumar, S Butt, A Velloth… - New Journal of …, 2024 - pubs.rsc.org
Reactive open-shell ring systems comprising C, N, O, and S atoms are crucial for the
radiation-induced molecular evolution and relevant to life and interstellar regions. Herein …

Ribose Alters the Photochemical Properties of the Nucleobase in Thionated Nucleosides

MJ Janicki, CL Kufner, ZR Todd, SC Kim… - The Journal of …, 2021 - ACS Publications
Substitution of exocyclic oxygen with sulfur was shown to substantially influence the
properties of RNA/DNA bases, which are crucial for prebiotic chemistry and photodynamic …

Targeted DNA oxidation and trajectory of radical DNA using DFT based QM/MM dynamics

PK Biswas, S Chakraborty - Nucleic acids research, 2019 - academic.oup.com
Molecular insight into electronic rearrangements and structural trajectories arising from
oxidative damages to DNA backbone is of crucial importance in understanding the effect of …

X-ray and UV Radiation Damage of dsDNA/Protein Complexes

P Wityk, D Kostrzewa-Nowak, B Krawczyk, M Michalik… - Molecules, 2021 - mdpi.com
Simple Summary One of the most common diseases in the world is cancer. The
development of an appropriate treatment pathway for cancer patients seems to be crucial to …

Molecular dynamics study on DNA damage by tritium disintegration

H Nakamura, H Miyanishi, T Yasunaga… - Japanese Journal of …, 2019 - iopscience.iop.org
Using molecular dynamics (MD) simulation, we simulate the structural change of a telomeric
DNA by β-decay of substituted tritium to helium-3. The configuration of the telomeric DNA is …

Interactions of telomeric proteins with nucleic acids: sequence recognition on intact and oxidatively damaged telomeres

M Wieczór - 2019 - mostwiedzy.pl
Telomeres are complex nucleoprotein assemblies that play a vital role in the maintenance of
functional ends of linear chromosomes. Telomeric DNA, composed of tandem repeats of the …