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A New Standard DNA Damage (SDD) Data Format
J. Schuemann, AL. McNamara, JW. Warmenhoven, NT. Henthorn, KJ. Kirkby, MJ. Merchant, S. Ingram, H. Paganetti, KD. Held, J. Ramos-Mendez, B. Faddegon, J. Perl, DT. Goodhead, I. Plante, H. Rabus, H. Nettelbeck, W. Friedland, P. Kundrát, A....
Language English Country United States
Document type Journal Article, Research Support, N.I.H., Extramural, Research Support, Non-U.S. Gov't
Grant support
R01 CA187003
NCI NIH HHS - United States
PubMed
30407901
DOI
10.1667/rr15209.1
Knihovny.cz E-resources
- MeSH
- Linear Energy Transfer MeSH
- Monte Carlo Method MeSH
- DNA Repair MeSH
- Computer Simulation MeSH
- DNA Damage * MeSH
- Models, Theoretical MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Research Support, N.I.H., Extramural MeSH
Our understanding of radiation-induced cellular damage has greatly improved over the past few decades. Despite this progress, there are still many obstacles to fully understand how radiation interacts with biologically relevant cellular components, such as DNA, to cause observable end points such as cell killing. Damage in DNA is identified as a major route of cell killing. One hurdle when modeling biological effects is the difficulty in directly comparing results generated by members of different research groups. Multiple Monte Carlo codes have been developed to simulate damage induction at the DNA scale, while at the same time various groups have developed models that describe DNA repair processes with varying levels of detail. These repair models are intrinsically linked to the damage model employed in their development, making it difficult to disentangle systematic effects in either part of the modeling chain. These modeling chains typically consist of track-structure Monte Carlo simulations of the physical interactions creating direct damages to DNA, followed by simulations of the production and initial reactions of chemical species causing so-called "indirect" damages. After the induction of DNA damage, DNA repair models combine the simulated damage patterns with biological models to determine the biological consequences of the damage. To date, the effect of the environment, such as molecular oxygen (normoxic vs. hypoxic), has been poorly considered. We propose a new standard DNA damage (SDD) data format to unify the interface between the simulation of damage induction in DNA and the biological modeling of DNA repair processes, and introduce the effect of the environment (molecular oxygen or other compounds) as a flexible parameter. Such a standard greatly facilitates inter-model comparisons, providing an ideal environment to tease out model assumptions and identify persistent, underlying mechanisms. Through inter-model comparisons, this unified standard has the potential to greatly advance our understanding of the underlying mechanisms of radiation-induced DNA damage and the resulting observable biological effects when radiation parameters and/or environmental conditions change.
b Division of Cancer Sciences The University of Manchester Manchester United Kingdom
bb School of Physics University of Sydney Sydney NSW Australia
c Department of Radiation Oncology University of California San Francisco San Francisco California
e Medical Research Council Harwell United Kingdom
gg Japan Atomic Energy Agency Nuclear Science and Engineering Center Tokai 319 1196 Japan
ii MBN Research Center 60438 Frankfurt am Main Germany
Institut de Radioprotection et Sûreté Nucléaire F 92262 Fontenay aux Roses Cedex France
j Physics Department University of Pavia Pavia Italy
jj Department of Physics Oakland University Rochester Michigan
k Department of Physics East Carolina University Greenville North Carolina
kk GSI Helmholtzzentrum für Schwerionenforschung Biophysics Department Darmstadt Germany
l CNRS IN2P3 CENBG UMR 5797 F 33170 Gradignan France
ll Centre for Cancer Research and Cell Biology Queens University Belfast Belfast United Kingdom
Medical Radiation Science Group National Physical Laboratory Teddington United Kingdom
p Centre for Medical Radiation Physics University of Wollongong Wollongong NSW Australia
r Department of Physics Faculty of Science Saint Joseph University Beirut Lebanon
s Medical Physics Laboratory University of Ioannina Medical School Ioannina Greece
SLAC National Accelerator Laboratory Menlo Park California
u Department of Radiation Dosimetry Nuclear Physics Institute of the CAS Řež Czech Republic
v Department of Radiation Oncology University of Texas Southwestern Medical Center Dallas Texas
w Health Physics and Diagnostic Sciences University of Nevada Las Vegas Las Vegas Nevada
y Department of Radiation Oncology University of Washington Seattle Washington
z Department of Therapeutic Radiology Yale University School of Medicine New Haven Connecticut
References provided by Crossref.org
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