Synchronization of Circadian Per2 Rhythms and HSF1-BMAL1:CLOCK Interaction in Mouse Fibroblasts after Short-Term Heat Shock Pulse
2011

How Heat Shock Affects Circadian Rhythms in Mouse Cells

publication Evidence: moderate

Author Information

Author(s): Tamaru Teruya, Hattori Mitsuru, Honda Kousuke, Benjamin Ivor, Ozawa Takeaki, Takamatsu Ken

Primary Institution: Toho University School of Medicine

Hypothesis

Can a short-term heat shock pulse reset circadian rhythms in mouse fibroblasts?

Conclusion

A short-term heat shock pulse can reset circadian rhythms and enhance the interaction between HSF1 and BMAL1:CLOCK.

Supporting Evidence

  • Heat shock factor 1 (HSF1) is essential for the heat shock response.
  • A short-term heat shock pulse can synchronize circadian rhythms in mouse fibroblasts.
  • The interaction between HSF1 and BMAL1:CLOCK is enhanced after heat shock treatment.

Takeaway

If you heat up mouse cells for a short time, it can help their internal clocks work better together.

Methodology

Mouse fibroblasts were treated with a heat shock pulse and monitored for circadian rhythm changes using luciferase assays.

Limitations

The study primarily focuses on mouse fibroblasts, which may not fully represent other cell types or organisms.

Participant Demographics

Mouse fibroblasts (NIH-3T3 and mouse embryonic fibroblasts).

Digital Object Identifier (DOI)

10.1371/journal.pone.0024521

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