{"title":"Could Chronic Hypothermia in a Human Affect the Clock System?","authors":"André Malan, Gerhard Heldmaier","doi":"10.1086/722707","DOIUrl":null,"url":null,"abstract":"<p><p>AbstractHibernation-like episodes would be particularly interesting for clinical and spatial use if they could be observed and induced in humans. As animal hibernation differs from hypothermia with its control by a temperature-dependent clock, we undertook to find evidence that human hypothermia might affect the circadian clock system. We revisited Siffre's 1962 abyss experiment. Deprived of temporal information and showing signs of chronic hypothermia, Siffre underestimated his stay underground by 22 d. We show that the temperature-dependent clock equation for classical hibernators accurately predicts Siffre's subjective times, and we list potential conditions to be further explored for inducing hibernation-like bouts in humans.</p>","PeriodicalId":1,"journal":{"name":"Accounts of Chemical Research","volume":null,"pages":null},"PeriodicalIF":16.4000,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Accounts of Chemical Research","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.1086/722707","RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
AbstractHibernation-like episodes would be particularly interesting for clinical and spatial use if they could be observed and induced in humans. As animal hibernation differs from hypothermia with its control by a temperature-dependent clock, we undertook to find evidence that human hypothermia might affect the circadian clock system. We revisited Siffre's 1962 abyss experiment. Deprived of temporal information and showing signs of chronic hypothermia, Siffre underestimated his stay underground by 22 d. We show that the temperature-dependent clock equation for classical hibernators accurately predicts Siffre's subjective times, and we list potential conditions to be further explored for inducing hibernation-like bouts in humans.
期刊介绍：
Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance.
Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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