Thermographic imaging of mouse across circadian time reveals body surface temperature elevation associated with non-locomotor body movements.

Circadian clocks orchestrate multiple different physiological rhythms in a well-synchronized manner. However, how these separate rhythms are interconnected is not exactly understood. Here, we developed a method that allows for the real-time simultaneous measurement of locomotor activity and body tem...

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Autores principales:	Hiroyuki Shimatani, Yuichi Inoue, Yota Maekawa, Takahito Miyake, Yoshiaki Yamaguchi, Masao Doi
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/df6cf564421d423cb243aebf234391a0
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spelling	oai:doaj.org-article:df6cf564421d423cb243aebf234391a02021-12-02T20:11:13ZThermographic imaging of mouse across circadian time reveals body surface temperature elevation associated with non-locomotor body movements.1932-620310.1371/journal.pone.0252447https://doaj.org/article/df6cf564421d423cb243aebf234391a02021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0252447https://doaj.org/toc/1932-6203Circadian clocks orchestrate multiple different physiological rhythms in a well-synchronized manner. However, how these separate rhythms are interconnected is not exactly understood. Here, we developed a method that allows for the real-time simultaneous measurement of locomotor activity and body temperature of mice using infrared video camera imaging. As expected from the literature, temporal profiles of body temperature and locomotor activity were positively correlated with each other. Basically, body temperatures were high when animals were in locomotion. However, interestingly, increases in body temperature were not always associated with the appearance of locomotor activity. Video imaging revealed that mice exhibit non-locomotor activities such as grooming and postural adjustments, which alone induce considerable elevation of body temperature. Noticeably, non-locomotor movements always preceded the initiation of locomotor activity. Nevertheless, non-locomotor movements were not always accompanied by locomotor movements, suggesting that non-locomotor movements provide a mechanism of thermoregulation independent of locomotor activity. In addition, in the current study, we also report the development of a machine learning-based recording method for the detection of circadian feeding and drinking behaviors of mice. Our data illustrate the potential utility of thermal video imaging in the investigation of different physiological rhythms.Hiroyuki ShimataniYuichi InoueYota MaekawaTakahito MiyakeYoshiaki YamaguchiMasao DoiPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 5, p e0252447 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Hiroyuki Shimatani Yuichi Inoue Yota Maekawa Takahito Miyake Yoshiaki Yamaguchi Masao Doi Thermographic imaging of mouse across circadian time reveals body surface temperature elevation associated with non-locomotor body movements.
description	Circadian clocks orchestrate multiple different physiological rhythms in a well-synchronized manner. However, how these separate rhythms are interconnected is not exactly understood. Here, we developed a method that allows for the real-time simultaneous measurement of locomotor activity and body temperature of mice using infrared video camera imaging. As expected from the literature, temporal profiles of body temperature and locomotor activity were positively correlated with each other. Basically, body temperatures were high when animals were in locomotion. However, interestingly, increases in body temperature were not always associated with the appearance of locomotor activity. Video imaging revealed that mice exhibit non-locomotor activities such as grooming and postural adjustments, which alone induce considerable elevation of body temperature. Noticeably, non-locomotor movements always preceded the initiation of locomotor activity. Nevertheless, non-locomotor movements were not always accompanied by locomotor movements, suggesting that non-locomotor movements provide a mechanism of thermoregulation independent of locomotor activity. In addition, in the current study, we also report the development of a machine learning-based recording method for the detection of circadian feeding and drinking behaviors of mice. Our data illustrate the potential utility of thermal video imaging in the investigation of different physiological rhythms.
format	article
author	Hiroyuki Shimatani Yuichi Inoue Yota Maekawa Takahito Miyake Yoshiaki Yamaguchi Masao Doi
author_facet	Hiroyuki Shimatani Yuichi Inoue Yota Maekawa Takahito Miyake Yoshiaki Yamaguchi Masao Doi
author_sort	Hiroyuki Shimatani
title	Thermographic imaging of mouse across circadian time reveals body surface temperature elevation associated with non-locomotor body movements.
title_short	Thermographic imaging of mouse across circadian time reveals body surface temperature elevation associated with non-locomotor body movements.
title_full	Thermographic imaging of mouse across circadian time reveals body surface temperature elevation associated with non-locomotor body movements.
title_fullStr	Thermographic imaging of mouse across circadian time reveals body surface temperature elevation associated with non-locomotor body movements.
title_full_unstemmed	Thermographic imaging of mouse across circadian time reveals body surface temperature elevation associated with non-locomotor body movements.
title_sort	thermographic imaging of mouse across circadian time reveals body surface temperature elevation associated with non-locomotor body movements.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/df6cf564421d423cb243aebf234391a0
work_keys_str_mv	AT hiroyukishimatani thermographicimagingofmouseacrosscircadiantimerevealsbodysurfacetemperatureelevationassociatedwithnonlocomotorbodymovements AT yuichiinoue thermographicimagingofmouseacrosscircadiantimerevealsbodysurfacetemperatureelevationassociatedwithnonlocomotorbodymovements AT yotamaekawa thermographicimagingofmouseacrosscircadiantimerevealsbodysurfacetemperatureelevationassociatedwithnonlocomotorbodymovements AT takahitomiyake thermographicimagingofmouseacrosscircadiantimerevealsbodysurfacetemperatureelevationassociatedwithnonlocomotorbodymovements AT yoshiakiyamaguchi thermographicimagingofmouseacrosscircadiantimerevealsbodysurfacetemperatureelevationassociatedwithnonlocomotorbodymovements AT masaodoi thermographicimagingofmouseacrosscircadiantimerevealsbodysurfacetemperatureelevationassociatedwithnonlocomotorbodymovements
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Thermographic imaging of mouse across circadian time reveals body surface temperature elevation associated with non-locomotor body movements.

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