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J Fahrenkrug Department of Clinical Biochemistry, Bispebjerg and Frederiksberg Hospital, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark

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B Georg Department of Clinical Biochemistry, Bispebjerg and Frederiksberg Hospital, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark

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J Hannibal Department of Clinical Biochemistry, Bispebjerg and Frederiksberg Hospital, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark

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H L Jørgensen Department of Clinical Biochemistry, Bispebjerg and Frederiksberg Hospital, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark

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Introduction There is growing evidence that endocrine body rhythms including the hypothalamic–pituitary–thyroid (HPT) axis are regulated by the circadian timing system, which consists of the master pacemaker located in the hypothalamic

Article Type:
Research Article
DOI:
https://doi.org/10.1530/JOE-17-0111
Volume/Issue:
Volume 233: Issue 3
Open access
Anne-Marie Neumann Institute of Neurobiology, University of Lübeck, Lübeck, Germany
Center of Brain, Behavior and Metabolism, University of Lübeck, Lübeck, Germany

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Cathleen Geißler Center of Brain, Behavior and Metabolism, University of Lübeck, Lübeck, Germany
Institute for Human Genetics, Epigenetics and Metabolism Lab, University of Lübeck, Lübeck, Germany

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Violetta Pilorz Institute of Neurobiology, University of Lübeck, Lübeck, Germany
Center of Brain, Behavior and Metabolism, University of Lübeck, Lübeck, Germany

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Iwona Olejniczak Institute of Neurobiology, University of Lübeck, Lübeck, Germany
Center of Brain, Behavior and Metabolism, University of Lübeck, Lübeck, Germany

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Alfor G Lewis Department of Surgery, University of Michigan, Ann Arbor, Michigan, USA

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Randy J Seeley Department of Surgery, University of Michigan, Ann Arbor, Michigan, USA

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Orr Shomroni Transcriptome and Genome Analysis Core Unit, University Medical Center Göttingen, Göttingen, Germany

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Gabriela Salinas-Riester Transcriptome and Genome Analysis Core Unit, University Medical Center Göttingen, Göttingen, Germany

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Henriette Kirchner Center of Brain, Behavior and Metabolism, University of Lübeck, Lübeck, Germany
Institute for Human Genetics, Epigenetics and Metabolism Lab, University of Lübeck, Lübeck, Germany
German Center for Diabetes Research (DZD), Helmholtz Zentrum München, Bayern, Germany

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Henrik Oster Institute of Neurobiology, University of Lübeck, Lübeck, Germany
Center of Brain, Behavior and Metabolism, University of Lübeck, Lübeck, Germany

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). Energy metabolism is tightly linked to the circadian clock system. The light-sensitive suprachiasmatic nucleus (SCN) of the hypothalamus acts as a pacemaker of circadian rhythms in mammals synchronizing physiological functions with 24-h rhythms of the

Article Type:
Research Article
DOI:
https://doi.org/10.1530/JOE-20-0611
Volume/Issue:
Volume 250: Issue 2
Restricted access
Pei-Jian He Laboratory of Reproductive Physiology and Biotechnology, Department of Animal and Marine Bioresource Sciences, Graduate School of Agriculture, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan

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Masami Hirata Laboratory of Reproductive Physiology and Biotechnology, Department of Animal and Marine Bioresource Sciences, Graduate School of Agriculture, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan

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Nobuhiko Yamauchi Laboratory of Reproductive Physiology and Biotechnology, Department of Animal and Marine Bioresource Sciences, Graduate School of Agriculture, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan

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Masa-aki Hattori Laboratory of Reproductive Physiology and Biotechnology, Department of Animal and Marine Bioresource Sciences, Graduate School of Agriculture, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan

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Introduction Circadian rhythm is generated by genetically determined biological clock, and is prominently entrained by cues from the 24-h light:darkness cycle ( Dunlap 1999 , Reppert & Weaver 2001 ). In mammals, the central clock is

Article Type:
Research Article
DOI:
https://doi.org/10.1677/JOE-07-0172
Volume/Issue:
Volume 194: Issue 3
Free access
Marianna Minnetti Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy

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Valeria Hasenmajer Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy

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Riccardo Pofi Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy

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Mary Anna Venneri Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy

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Krystallenia I Alexandraki Endocrine Unit, 1st Department of Propaedeutic Medicine, Laiko University Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece

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Andrea M Isidori Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy

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adrenal hormones play a pivotal role in mitigating or enhancing the effects of clock genes on their own targets. The exact role of glucocorticoids in this context has yet to be fully elucidated. However, it is generally accepted that their circadian rhythm

Article Type:
Review Article
DOI:
https://doi.org/10.1530/JOE-20-0066
Volume/Issue:
Volume 246: Issue 2
Free access
Shanqi Fu Department of Biochemistry and Molecular Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan

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Miho Kuwahara Department of Biochemistry and Molecular Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan

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Yoko Uchida Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan

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Sei Kondo Department of Biochemistry and Molecular Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan

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Daichi Hayashi Department of Biochemistry and Molecular Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan

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Yuji Shimomura Department of Biochemistry and Molecular Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan

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Asami Takagaki Department of Biochemistry and Molecular Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan

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Takashi Nishida Department of Biochemistry and Molecular Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan

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Yusuke Maruyama Department of Biology, College of Liberal Arts and Sciences, Tokyo Medical and Dental University, Ichikawa, Chiba, Japan

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Mika Ikegame Department of Oral Morphology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan

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Atsuhiko Hattori Department of Biology, College of Liberal Arts and Sciences, Tokyo Medical and Dental University, Ichikawa, Chiba, Japan

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Satoshi Kubota Department of Biochemistry and Molecular Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan

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Takako Hattori Department of Biochemistry and Molecular Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan

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receptors and developmental control genes ( Reddi 1994 , Goldring et al. 2006 , Shao et al. 2006 , Liu et al. 2017 ). There is considerable evidence to suggest that cartilage and bone growth in vertebrates oscillate in a circadian rhythm, but the

Article Type:
Research Article
DOI:
https://doi.org/10.1530/JOE-19-0022
Volume/Issue:
Volume 241: Issue 2
Free access
Sarika Paul Centre for Biological Timing, Faculty of Medicine, Biology and Health, University of Manchester, Manchester, UK

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Timothy M Brown Centre for Biological Timing, Faculty of Medicine, Biology and Health, University of Manchester, Manchester, UK

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function ( Takahashi 2015 ). In the case of the SCN, these clock controlled genes include membrane ion channels, thereby generating pronounced circadian rhythms in the excitability and spontaneous electrical activity of SCN neurons ( Belle & Allen 2018

Article Type:
Review Article
DOI:
https://doi.org/10.1530/JOE-19-0302
Volume/Issue:
Volume 243: Issue 1
Free access
Dario R Lemos Division of Neuroscience, Physiology and Pharmacology, Oregon National Primate Research Center, Beaverton, Oregon 97006, USA Departments of

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Jodi L Downs Division of Neuroscience, Physiology and Pharmacology, Oregon National Primate Research Center, Beaverton, Oregon 97006, USA Departments of
Division of Neuroscience, Physiology and Pharmacology, Oregon National Primate Research Center, Beaverton, Oregon 97006, USA Departments of
Division of Neuroscience, Physiology and Pharmacology, Oregon National Primate Research Center, Beaverton, Oregon 97006, USA Departments of

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Martin N Raitiere Division of Neuroscience, Physiology and Pharmacology, Oregon National Primate Research Center, Beaverton, Oregon 97006, USA Departments of

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Henryk F Urbanski Division of Neuroscience, Physiology and Pharmacology, Oregon National Primate Research Center, Beaverton, Oregon 97006, USA Departments of
Division of Neuroscience, Physiology and Pharmacology, Oregon National Primate Research Center, Beaverton, Oregon 97006, USA Departments of
Division of Neuroscience, Physiology and Pharmacology, Oregon National Primate Research Center, Beaverton, Oregon 97006, USA Departments of

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Introduction In mammals, many aspects of physiology and behavior are temporally regulated, showing circadian as well as circannual rhythms. Whereas, circadian rhythms reflect the daily organization of body functions, circannual rhythms represent an

Article Type:
Research Article
DOI:
https://doi.org/10.1677/JOE-08-0437
Volume/Issue:
Volume 201: Issue 2
Free access
Cassandra C Yap School of Anatomy, Physiology and Human Biology, The University of Western Australia, Perth, Western Australia, Australia

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Michaela D Wharfe School of Anatomy, Physiology and Human Biology, The University of Western Australia, Perth, Western Australia, Australia

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Peter J Mark School of Anatomy, Physiology and Human Biology, The University of Western Australia, Perth, Western Australia, Australia

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Brendan J Waddell School of Anatomy, Physiology and Human Biology, The University of Western Australia, Perth, Western Australia, Australia

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Jeremy T Smith School of Anatomy, Physiology and Human Biology, The University of Western Australia, Perth, Western Australia, Australia

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, the SCN exerts tight circadian control over many biological processes through endogenous rhythms generated by positive and negative feedback gene transcription and translation loops of clock genes, including Clock , Bmal1 , Per1-3 , Cry 1-2 , and

Article Type:
Research Article
DOI:
https://doi.org/10.1530/JOE-16-0086
Volume/Issue:
Volume 229: Issue 3
Free access
Patricia Cristine Borck Department of Structural and Functional Biology, Institute of Biology, University of Campinas/UNICAMP, Campinas, São Paulo, Brazil

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Sarah Rickli Department of Structural and Functional Biology, Institute of Biology, University of Campinas/UNICAMP, Campinas, São Paulo, Brazil

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Jean Franciesco Vettorazzi Department of Structural and Functional Biology, Institute of Biology, University of Campinas/UNICAMP, Campinas, São Paulo, Brazil
Union Education of Cascavel, UNIVEL, Cascavel, Paraná, Brazil

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Thiago Martins Batista Department of Structural and Functional Biology, Institute of Biology, University of Campinas/UNICAMP, Campinas, São Paulo, Brazil

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Antonio Carlos Boschero Department of Structural and Functional Biology, Institute of Biology, University of Campinas/UNICAMP, Campinas, São Paulo, Brazil

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Elaine Vieira Postgraduate Program on Physical Education, Universidade Católica de Brasília-UCB, Distrito Federal, Brazil

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Everardo Magalhães Carneiro Department of Structural and Functional Biology, Institute of Biology, University of Campinas/UNICAMP, Campinas, São Paulo, Brazil

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obesity, T2D and cardiovascular diseases. Recent evidence indicates that exposure to artificial light at night (ALAN) disrupts the circadian rhythms and leads to the development of metabolic disorders ( Boivin & Boudreau 2014 , Dibner & Schibler 2015

Article Type:
Research Article
DOI:
https://doi.org/10.1530/JOE-21-0133
Volume/Issue:
Volume 252: Issue 2
Restricted access
Michaela D Wharfe School of Anatomy, Metabolomics Australia, Physiology and Human Biology, The University of Western Australia, M309, Perth 6009, Australia

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Peter J Mark School of Anatomy, Metabolomics Australia, Physiology and Human Biology, The University of Western Australia, M309, Perth 6009, Australia

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Caitlin S Wyrwoll School of Anatomy, Metabolomics Australia, Physiology and Human Biology, The University of Western Australia, M309, Perth 6009, Australia

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Jeremy T Smith School of Anatomy, Metabolomics Australia, Physiology and Human Biology, The University of Western Australia, M309, Perth 6009, Australia

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Cassandra Yap School of Anatomy, Metabolomics Australia, Physiology and Human Biology, The University of Western Australia, M309, Perth 6009, Australia

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Michael W Clarke School of Anatomy, Metabolomics Australia, Physiology and Human Biology, The University of Western Australia, M309, Perth 6009, Australia

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Brendan J Waddell School of Anatomy, Metabolomics Australia, Physiology and Human Biology, The University of Western Australia, M309, Perth 6009, Australia

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, referred to as ‘peripheral clocks’. The circadian rhythm of circulating glucocorticoids (generated via the HPA axis) provides a key coordination link between the central SCN clock and these peripheral clocks ( Hastings et al . 2007 ), and as such plays a

Article Type:
Research Article
DOI:
https://doi.org/10.1530/JOE-15-0405
Volume/Issue:
Volume 228: Issue 3
Free access