Cell survival prediction in hadrontherapy with the NanOx biophysical model

Biophysical models are useful tools for predicting the biological effects of ionizing radiation. From a practical point of view, these models can help clinicians to optimize the radiation absorbed dose delivered to patients in particle therapy. The biophysical model NanOx was recently developed to p...

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Main Authors: Mario Alcocer-Ávila, Caterina Monini, Micaela Cunha, Étienne Testa, Michaël Beuve
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-11-01
Series:Frontiers in Physics
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fphy.2022.1011063/full
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author Mario Alcocer-Ávila
Caterina Monini
Micaela Cunha
Étienne Testa
Michaël Beuve
author_facet Mario Alcocer-Ávila
Caterina Monini
Micaela Cunha
Étienne Testa
Michaël Beuve
author_sort Mario Alcocer-Ávila
collection DOAJ
description Biophysical models are useful tools for predicting the biological effects of ionizing radiation. From a practical point of view, these models can help clinicians to optimize the radiation absorbed dose delivered to patients in particle therapy. The biophysical model NanOx was recently developed to predict cell survival fractions in the context of radiotherapy. The model takes into account the stochastic nature of radiation at different levels and considers as well the accumulation of radio-induced oxidative stress in cells caused by reactive chemical species. We show in this work how the general formalism of NanOx is adapted to hadrontherapy applications. We then use NanOx to compute the cell survival fractions for three cell lines (V79, CHO-K1 and HSG) in response to carbon ions of different energies, and benchmark the predictions against experimental data. The results attest that NanOx provides a good description of both the overkill effect and the evolution of the shoulders of cell survival curves with linear energy transfer.
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spelling doaj.art-a6dff7d5650c4fb6a114f20c6a196c6a2022-12-22T03:58:28ZengFrontiers Media S.A.Frontiers in Physics2296-424X2022-11-011010.3389/fphy.2022.10110631011063Cell survival prediction in hadrontherapy with the NanOx biophysical modelMario Alcocer-ÁvilaCaterina MoniniMicaela CunhaÉtienne TestaMichaël BeuveBiophysical models are useful tools for predicting the biological effects of ionizing radiation. From a practical point of view, these models can help clinicians to optimize the radiation absorbed dose delivered to patients in particle therapy. The biophysical model NanOx was recently developed to predict cell survival fractions in the context of radiotherapy. The model takes into account the stochastic nature of radiation at different levels and considers as well the accumulation of radio-induced oxidative stress in cells caused by reactive chemical species. We show in this work how the general formalism of NanOx is adapted to hadrontherapy applications. We then use NanOx to compute the cell survival fractions for three cell lines (V79, CHO-K1 and HSG) in response to carbon ions of different energies, and benchmark the predictions against experimental data. The results attest that NanOx provides a good description of both the overkill effect and the evolution of the shoulders of cell survival curves with linear energy transfer.https://www.frontiersin.org/articles/10.3389/fphy.2022.1011063/fullNanOxbiophysical modelcell survival probabilityhadrontherapyV79CHO-K1
spellingShingle Mario Alcocer-Ávila
Caterina Monini
Micaela Cunha
Étienne Testa
Michaël Beuve
Cell survival prediction in hadrontherapy with the NanOx biophysical model
Frontiers in Physics
NanOx
biophysical model
cell survival probability
hadrontherapy
V79
CHO-K1
title Cell survival prediction in hadrontherapy with the NanOx biophysical model
title_full Cell survival prediction in hadrontherapy with the NanOx biophysical model
title_fullStr Cell survival prediction in hadrontherapy with the NanOx biophysical model
title_full_unstemmed Cell survival prediction in hadrontherapy with the NanOx biophysical model
title_short Cell survival prediction in hadrontherapy with the NanOx biophysical model
title_sort cell survival prediction in hadrontherapy with the nanox biophysical model
topic NanOx
biophysical model
cell survival probability
hadrontherapy
V79
CHO-K1
url https://www.frontiersin.org/articles/10.3389/fphy.2022.1011063/full
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AT micaelacunha cellsurvivalpredictioninhadrontherapywiththenanoxbiophysicalmodel
AT etiennetesta cellsurvivalpredictioninhadrontherapywiththenanoxbiophysicalmodel
AT michaelbeuve cellsurvivalpredictioninhadrontherapywiththenanoxbiophysicalmodel