In vitro and in vivo Phase Changes of the Mouse Circadian Clock by Oxidative Stress

Mammalian circadian rhythms are governed by an endogenous circadian clock system, including the molecular clock works in each cell and tissue. Adaptation of the circadian clock to different environmental stimuli such as light, food, and stress is essential for homeostasis maintenance. However, the i...

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Main Authors: Yu Tahara, Ayako Yokota, Takuya Shiraishi, Shunya Yamada, Atsushi Haraguchi, Ayako Shinozaki, Shigenobu Shibata
Format: Article
Language:English
Published: Ubiquity Press 2016-04-01
Series:Journal of Circadian Rhythms
Subjects:
Online Access:https://www.jcircadianrhythms.com/articles/136
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author Yu Tahara
Ayako Yokota
Takuya Shiraishi
Shunya Yamada
Atsushi Haraguchi
Ayako Shinozaki
Shigenobu Shibata
author_facet Yu Tahara
Ayako Yokota
Takuya Shiraishi
Shunya Yamada
Atsushi Haraguchi
Ayako Shinozaki
Shigenobu Shibata
author_sort Yu Tahara
collection DOAJ
description Mammalian circadian rhythms are governed by an endogenous circadian clock system, including the molecular clock works in each cell and tissue. Adaptation of the circadian clock to different environmental stimuli such as light, food, and stress is essential for homeostasis maintenance. However, the influence of oxidative stress on the circadian clock phase is not fully understood 'in vitro' and 'in vivo'. Here, we examined the effects of hydrogen peroxide (H2O2)-induced oxidative stress on the PERIOD2::LUCIFERASE bioluminescence rhythm in mouse embryonic fibroblasts 'in vitro' and in mouse peripheral tissues 'in vivo'. The circadian clock phase changed with the dose of H2O2 and time of day 'in vitro'; similar phase changes were observed 'in vivo' in the circadian clocks of the peripheral tissues. In addition, mice treated with hemin-induced oxidative stress also showed phase changes of peripheral clocks, similarly as H2O2 treatment. Thus, oxidative stress can entrain circadian clock systems.
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spelling doaj.art-8ba2cb87473047b3882c608d1f2f72092022-12-22T02:53:42ZengUbiquity PressJournal of Circadian Rhythms1740-33912016-04-0114110.5334/jcr.136128In vitro and in vivo Phase Changes of the Mouse Circadian Clock by Oxidative StressYu Tahara0Ayako Yokota1Takuya Shiraishi2Shunya Yamada3Atsushi Haraguchi4Ayako Shinozaki5Shigenobu Shibata6Waseda UniversityWaseda UniversityWaseda UniversityWaseda UniversityWaseda UniversityWaseda UniversityWaseda UniversityMammalian circadian rhythms are governed by an endogenous circadian clock system, including the molecular clock works in each cell and tissue. Adaptation of the circadian clock to different environmental stimuli such as light, food, and stress is essential for homeostasis maintenance. However, the influence of oxidative stress on the circadian clock phase is not fully understood 'in vitro' and 'in vivo'. Here, we examined the effects of hydrogen peroxide (H2O2)-induced oxidative stress on the PERIOD2::LUCIFERASE bioluminescence rhythm in mouse embryonic fibroblasts 'in vitro' and in mouse peripheral tissues 'in vivo'. The circadian clock phase changed with the dose of H2O2 and time of day 'in vitro'; similar phase changes were observed 'in vivo' in the circadian clocks of the peripheral tissues. In addition, mice treated with hemin-induced oxidative stress also showed phase changes of peripheral clocks, similarly as H2O2 treatment. Thus, oxidative stress can entrain circadian clock systems.https://www.jcircadianrhythms.com/articles/136Period2, liver, kidney, in vivo imaging, hydrogen peroxide
spellingShingle Yu Tahara
Ayako Yokota
Takuya Shiraishi
Shunya Yamada
Atsushi Haraguchi
Ayako Shinozaki
Shigenobu Shibata
In vitro and in vivo Phase Changes of the Mouse Circadian Clock by Oxidative Stress
Journal of Circadian Rhythms
Period2, liver, kidney, in vivo imaging, hydrogen peroxide
title In vitro and in vivo Phase Changes of the Mouse Circadian Clock by Oxidative Stress
title_full In vitro and in vivo Phase Changes of the Mouse Circadian Clock by Oxidative Stress
title_fullStr In vitro and in vivo Phase Changes of the Mouse Circadian Clock by Oxidative Stress
title_full_unstemmed In vitro and in vivo Phase Changes of the Mouse Circadian Clock by Oxidative Stress
title_short In vitro and in vivo Phase Changes of the Mouse Circadian Clock by Oxidative Stress
title_sort in vitro and in vivo phase changes of the mouse circadian clock by oxidative stress
topic Period2, liver, kidney, in vivo imaging, hydrogen peroxide
url https://www.jcircadianrhythms.com/articles/136
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