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Public release date: 1-Apr-2013[ | E-mail |
Share ] Contact: Cody Mooneyhan
cmooneyhan@faseb.org
301-634-7104
Federation of American Societies for Experimental Biology
New research in The FASEB Journal using mice suggests that disrupting our internal clocks can lead to a complete absence of 24-hour bodily rhythms and an immediate gain in body weight
If you're pulling and all-nighter to finish a term paper, a new parent up all night with a fussy baby, or simply can't sleep like you once could, then you may be snoozing on good health. That's because new research published in The FASEB Journal used mice to show that proper sleep patterns are critical for healthy metabolic function, and even mild impairment in our circadian rhythms can lead to serious health consequences, including diabetes and obesity.
"We should acknowledge the unforeseen importance of our 24-hour rhythms for health," said Claudia Coomans, Ph.D., a researcher involved in the work from the Department of Molecular Cell Biology in the Laboratory of Neurophysiology at Leiden University Medical Center in Leiden, Netherlands. "To quote Seneca 'We should live according to nature (secundum naturam vivere).'"
To make this discovery, Coomans and colleagues exposed mice to constant light, which disturbed their normal internal clock function, and observed a gradual degradation of their bodies' internal clocks until it reached a level that normally occurs when aging. Eventually the mice lost their 24-hour rhythm in energy metabolism and insulin sensitivity, indicating that relatively mild impairment of clock function had severe metabolic consequences.
"The good news is that some of us can 'sleep it off' to avoid obesity and diabetes," said Gerald Weissmann, M.D., Editor-in-Chief of The FASEB Journal. "The bad news is that we can all get the metabolic doldrums when our normal day/night cycle is disrupted."
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Receive monthly highlights from The FASEB Journal by e-mail. Sign up at http://www.faseb.org/fjupdate.aspx. The FASEB Journal is published by the Federation of the American Societies for Experimental Biology (FASEB). It is among the most cited biology journals worldwide according to the Institute for Scientific Information and has been recognized by the Special Libraries Association as one of the top 100 most influential biomedical journals of the past century.
FASEB is composed of 26 societies with more than 100,000 members, making it the largest coalition of biomedical research associations in the United States. Our mission is to advance health and welfare by promoting progress and education in biological and biomedical sciences through service to its member societies and through collaborative advocacy.
Details: Claudia P. Coomans, Sjoerd A. A. van den Berg, Thijs Houben, Jan-Bert van Klinken, Rosa van den Berg, Amanda C. M. Pronk, Louis M. Havekes, Johannes A. Romijn, Ko Willems van Dijk, Nienke R. Biermasz, and Johanna H. Meijer. Detrimental effects of constant light exposure and high-fat diet on circadian energy metabolism and insulin sensitivity. FASEB J. April 2013 27:1721-1732; doi:10.1096/fj.12-210898; http://www.fasebj.org/content/27/4/1721.abstract
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AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.
Public release date: 1-Apr-2013[ | E-mail |
Share ] Contact: Cody Mooneyhan
cmooneyhan@faseb.org
301-634-7104
Federation of American Societies for Experimental Biology
New research in The FASEB Journal using mice suggests that disrupting our internal clocks can lead to a complete absence of 24-hour bodily rhythms and an immediate gain in body weight
If you're pulling and all-nighter to finish a term paper, a new parent up all night with a fussy baby, or simply can't sleep like you once could, then you may be snoozing on good health. That's because new research published in The FASEB Journal used mice to show that proper sleep patterns are critical for healthy metabolic function, and even mild impairment in our circadian rhythms can lead to serious health consequences, including diabetes and obesity.
"We should acknowledge the unforeseen importance of our 24-hour rhythms for health," said Claudia Coomans, Ph.D., a researcher involved in the work from the Department of Molecular Cell Biology in the Laboratory of Neurophysiology at Leiden University Medical Center in Leiden, Netherlands. "To quote Seneca 'We should live according to nature (secundum naturam vivere).'"
To make this discovery, Coomans and colleagues exposed mice to constant light, which disturbed their normal internal clock function, and observed a gradual degradation of their bodies' internal clocks until it reached a level that normally occurs when aging. Eventually the mice lost their 24-hour rhythm in energy metabolism and insulin sensitivity, indicating that relatively mild impairment of clock function had severe metabolic consequences.
"The good news is that some of us can 'sleep it off' to avoid obesity and diabetes," said Gerald Weissmann, M.D., Editor-in-Chief of The FASEB Journal. "The bad news is that we can all get the metabolic doldrums when our normal day/night cycle is disrupted."
###
Receive monthly highlights from The FASEB Journal by e-mail. Sign up at http://www.faseb.org/fjupdate.aspx. The FASEB Journal is published by the Federation of the American Societies for Experimental Biology (FASEB). It is among the most cited biology journals worldwide according to the Institute for Scientific Information and has been recognized by the Special Libraries Association as one of the top 100 most influential biomedical journals of the past century.
FASEB is composed of 26 societies with more than 100,000 members, making it the largest coalition of biomedical research associations in the United States. Our mission is to advance health and welfare by promoting progress and education in biological and biomedical sciences through service to its member societies and through collaborative advocacy.
Details: Claudia P. Coomans, Sjoerd A. A. van den Berg, Thijs Houben, Jan-Bert van Klinken, Rosa van den Berg, Amanda C. M. Pronk, Louis M. Havekes, Johannes A. Romijn, Ko Willems van Dijk, Nienke R. Biermasz, and Johanna H. Meijer. Detrimental effects of constant light exposure and high-fat diet on circadian energy metabolism and insulin sensitivity. FASEB J. April 2013 27:1721-1732; doi:10.1096/fj.12-210898; http://www.fasebj.org/content/27/4/1721.abstract
[ | E-mail | Share ] ?
AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.
Source: http://www.eurekalert.org/pub_releases/2013-04/foas-oic040113.php
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