A mathematical model of the circadian clock and drug pharmacology to optimize irinotecan administration timing in colorectal cancer - Inria - Institut national de recherche en sciences et technologies du numérique Access content directly
Journal Articles Computational and Structural Biotechnology Journal Year : 2021

A mathematical model of the circadian clock and drug pharmacology to optimize irinotecan administration timing in colorectal cancer

Abstract

Scheduling anticancer drug administration over 24 h may critically impact treatment success in a patient-specific manner. Here, we address personalization of treatment timing using a novel mathematical model of irinotecan cellular pharmacokinetics and-dynamics linked to a representation of the core clock and predict treatment toxicity in a colorectal cancer (CRC) cellular model. The mathematical model is fitted to three different scenarios: mouse liver, where the drug metabolism mainly occurs, and two human colorectal cancer cell lines representing an in vitro experimental system for human colorectal cancer progression. Our model successfully recapitulates quantitative circadian datasets of mRNA and protein expression together with timing-dependent irinotecan cytotoxicity data. The model also discriminates time-dependent toxicity between the different cells, suggesting that treatment can be optimized according to their cellular clock. Our results show that the time-dependent degradation of the protein mediating irinotecan activation, as well as an oscillation in the death rate may play an important role in the circadian variations of drug toxicity. In the future, this model can be used to support personalized treatment scheduling by predicting optimal drug timing based on the patient's gene expression profile.
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hal-03539026 , version 1 (24-01-2022)

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Janina Hesse, Julien Martinelli, Ouda Aboumanify, Annabelle Ballesta, Angela Relógio. A mathematical model of the circadian clock and drug pharmacology to optimize irinotecan administration timing in colorectal cancer. Computational and Structural Biotechnology Journal, 2021, 19, pp.5170-5183. ⟨10.1016/j.csbj.2021.08.051⟩. ⟨hal-03539026⟩
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