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Verfasst von:Liew, Hans [VerfasserIn]   i
 Mein, Stewart [VerfasserIn]   i
 Tessonnier, Thomas [VerfasserIn]   i
 Karger, Christian [VerfasserIn]   i
 Abdollahi, Amir [VerfasserIn]   i
 Debus, Jürgen [VerfasserIn]   i
 Dokić, Ivana [VerfasserIn]   i
 Mairani, Andrea [VerfasserIn]   i
Titel:Impact of DNA repair kinetics and dose rate on RBE predictions in the UNIVERSE
Verf.angabe:Hans Liew, Stewart Mein, Thomas Tessonnier, Christian P. Karger, Amir Abdollahi, Jürgen Debus, Ivana Dokic and Andrea Mairani
E-Jahr:2022
Jahr:3 June 2022
Umfang:18 S.
Fussnoten:Gesehen am 15.07.2022
Titel Quelle:Enthalten in: International journal of molecular sciences
Ort Quelle:Basel : Molecular Diversity Preservation International, 2000
Jahr Quelle:2022
Band/Heft Quelle:23(2022), 11, Artikel-ID 6268, Seite 1-18
ISSN Quelle:1422-0067
 1661-6596
Abstract:Accurate knowledge of the relative biological effectiveness (RBE) and its dependencies is crucial to support modern ion beam therapy and its further development. However, the influence of different dose rates of the reference radiation and ion beam are rarely considered. The ion beam RBE-model within our “UNIfied and VERSatile bio response Engine” (UNIVERSE) is extended by including DNA damage repair kinetics to investigate the impact of dose-rate effects on the predicted RBE. It was found that dose-rate effects increase with dose and biological effects saturate at high dose-rates, which is consistent with data- and model-based studies in the literature. In a comparison with RBE measurements from a high dose in-vivo study, the predictions of the presented modification were found to be improved in comparison to the previous version of UNIVERSE and existing clinical approaches that disregard dose-rate effects. Consequently, DNA repair kinetics and the different dose rates applied by the reference and ion beams might need to be considered in biophysical models to accurately predict the RBE. Additionally, this study marks an important step in the further development of UNIVERSE, extending its capabilities in giving theoretical guidance to support progress in ion beam therapy.
DOI:doi:10.3390/ijms23116268
URL:Bitte beachten Sie: Dies ist ein Bibliographieeintrag. Ein Volltextzugriff für Mitglieder der Universität besteht hier nur, falls für die entsprechende Zeitschrift/den entsprechenden Sammelband ein Abonnement besteht oder es sich um einen OpenAccess-Titel handelt.

Volltext ; Verlag: https://doi.org/10.3390/ijms23116268
 Volltext: https://www.mdpi.com/1422-0067/23/11/6268
 DOI: https://doi.org/10.3390/ijms23116268
Datenträger:Online-Ressource
Sprache:eng
Sach-SW:DNA repair
 dose rate
 ion beam therapy
 ionizing radiation
 modeling
 rat spinal cord
 RBE
 UNIVERSE
K10plus-PPN:1810604214
Verknüpfungen:→ Zeitschrift

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