A coupled model between circadian, cell-cycle, and redox rhythms reveals their regulation of oxidative stress.

ABSTRACT: Most organisms possess three biological oscillators, circadian clock, cell cycle, and redox rhythm, which are autonomous but interact each other. However, whether their interactions and autonomy are beneficial for organisms remains unclear. Here, we modeled a coupled oscillator system where each oscillator affected the phase of the other oscillators. We found that multiple types of coupling prevent a high H₂O₂ level in cells at M phase. Consequently, we hypothesized a high H₂O₂ sensitivity at the M phase and found that moderate coupling reduced cell damage due to oxidative stress by generating appropriate phase relationships between three rhythms, whereas strong coupling resulted in an elevated cell damage by increasing the average H₂O

SUBMITTER: Masuda K 

PROVIDER: S-EPMC11226698 | biostudies-literature | 2024 Jul

REPOSITORIES: biostudies-literature