Meal frequency patterns determine the phase of mouse peripheral circadian clocks

Hiroaki Kuroda, Yu Tahara, Keisuke Saito, Nobuaki Ohnishi, Yuji Kubo, Yasuhiro Seo, Makiko Otsuka, Yuta Fuse, Yuki Ohura, Akiko Hirao, Shigenobu Shibata*

*この研究の対応する著者

研究成果: Article査読

79 被引用数 (Scopus)

抄録

Peripheral circadian clocks in mammals are strongly entrained by light-dark and eating cycles. Their physiological functions are maintained by the synchronization of the phase of organs via clock gene expression patterns. However, little is known about the adaptation of peripheral clocks to the timing of multiple daily meals. Here, we investigated the effect of irregular eating patterns, in terms of timing and volume, on their peripheral clocks in vivo. We found that the phase of the peripheral clocks was altered by the amount of food and the interval between feeding time points but was unaffected by the frequency of feeding, as long as the interval remained fixed. Moreover, our results suggest that a late dinner should be separated into 2 half-dinners in order to alleviate the effect of irregular phases of peripheral clocks.

本文言語English
論文番号711
ジャーナルScientific reports
2
DOI
出版ステータスPublished - 2012

ASJC Scopus subject areas

  • 一般

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