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Jodi L Downs Division of Neuroscience, Oregon National Primate Research Center, Beaverton, Oregon 97006 and Department of Physiology and Pharmacology, Oregon Health & Science University, Portland, Oregon 97239, USA

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Henryk F Urbanski Division of Neuroscience, Oregon National Primate Research Center, Beaverton, Oregon 97006 and Department of Physiology and Pharmacology, Oregon Health & Science University, Portland, Oregon 97239, USA

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rhythmicity or an attenuation of the amplitude of many circadian rhythms appears to be a characteristic of aging ( Schwartz 1993 , Touitou et al. 1997 , Touitou & Haus 2000 , Downs et al. 2001 , Pandi-Perumal et al. 2002 , Urbanski et al. 2004

Article Type:
Research Article
DOI:
https://doi.org/10.1677/joe.1.06745
Volume/Issue:
Volume 190: Issue 1
Free access
Michael Hastings Division of Neurobiology, MRC Laboratory of Molecular Biology, Hills Road, Cambridge CB2 0QH, UK

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John S O’Neill Division of Neurobiology, MRC Laboratory of Molecular Biology, Hills Road, Cambridge CB2 0QH, UK

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Elizabeth S Maywood Division of Neurobiology, MRC Laboratory of Molecular Biology, Hills Road, Cambridge CB2 0QH, UK

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cause sleep disorders in patients, whilst intracerebral grafts of perinatal SCN can restore behavioural circadian rhythms of SCN-ablated rodents ( Weaver 1998 ). Electrical firing rates, cellular metabolism and gene expression within the SCN all exhibit

Article Type:
Review Article
DOI:
https://doi.org/10.1677/JOE-07-0378
Volume/Issue:
Volume 195: Issue 2
Free access
Shannon M Bailey Division of Molecular and Cellular Pathology, Division of Cardiovascular Diseases, Department of Pathology

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Uduak S Udoh Division of Molecular and Cellular Pathology, Division of Cardiovascular Diseases, Department of Pathology

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Martin E Young Division of Molecular and Cellular Pathology, Division of Cardiovascular Diseases, Department of Pathology

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) showed that insulin secretion from isolated pancreatic rat islets display a circadian rhythm that originates within the islet. Further, plasma insulin concentrations in rats exhibit daily oscillations with distinct increments at every meal ( Kalsbeek

Article Type:
Review Article
DOI:
https://doi.org/10.1530/JOE-14-0200
Volume/Issue:
Volume 222: Issue 2
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
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
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Nava Chapnik
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Gili Solomon
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Yoni Genzer
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Ruth Miskin Robert H. Smith Faculty of Agriculture, Department of Biological Chemistry, Food and Environment, Institute of Biochemistry, Food Science and Nutrition, The Hebrew University of Jerusalem, Rehovot 76100, Israel

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Arieh Gertler
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Oren Froy
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neuropeptides in the brain ( Froy et al . 2011 ). αMUPA mice also show pronounced circadian rhythms ( Froy et al . 2006 ) and altered locomotor activity compared with FVB/N mice ( Gutman et al . 2011 ). αMUPA mice that spontaneously consume less food per day

Article Type:
Research Article
DOI:
https://doi.org/10.1530/JOE-13-0033
Volume/Issue:
Volume 217: Issue 3
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
Francesca Spiga Henry Wellcome Laboratories for Integrative Neuroscience and Endocrinology, College of Engineering, Wellcome Trust Centre for Biomedical Modelling and Analysis, University of Bristol, Dorothy Hodgkin Building, Whitson Street, Bristol BS1 3NY, UK

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Jamie J Walker Henry Wellcome Laboratories for Integrative Neuroscience and Endocrinology, College of Engineering, Wellcome Trust Centre for Biomedical Modelling and Analysis, University of Bristol, Dorothy Hodgkin Building, Whitson Street, Bristol BS1 3NY, UK
Henry Wellcome Laboratories for Integrative Neuroscience and Endocrinology, College of Engineering, Wellcome Trust Centre for Biomedical Modelling and Analysis, University of Bristol, Dorothy Hodgkin Building, Whitson Street, Bristol BS1 3NY, UK
Henry Wellcome Laboratories for Integrative Neuroscience and Endocrinology, College of Engineering, Wellcome Trust Centre for Biomedical Modelling and Analysis, University of Bristol, Dorothy Hodgkin Building, Whitson Street, Bristol BS1 3NY, UK

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Rita Gupta Henry Wellcome Laboratories for Integrative Neuroscience and Endocrinology, College of Engineering, Wellcome Trust Centre for Biomedical Modelling and Analysis, University of Bristol, Dorothy Hodgkin Building, Whitson Street, Bristol BS1 3NY, UK

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John R Terry Henry Wellcome Laboratories for Integrative Neuroscience and Endocrinology, College of Engineering, Wellcome Trust Centre for Biomedical Modelling and Analysis, University of Bristol, Dorothy Hodgkin Building, Whitson Street, Bristol BS1 3NY, UK
Henry Wellcome Laboratories for Integrative Neuroscience and Endocrinology, College of Engineering, Wellcome Trust Centre for Biomedical Modelling and Analysis, University of Bristol, Dorothy Hodgkin Building, Whitson Street, Bristol BS1 3NY, UK

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Stafford L Lightman Henry Wellcome Laboratories for Integrative Neuroscience and Endocrinology, College of Engineering, Wellcome Trust Centre for Biomedical Modelling and Analysis, University of Bristol, Dorothy Hodgkin Building, Whitson Street, Bristol BS1 3NY, UK

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glucocorticoid pulsatility The circadian rhythm of the HPA axis is under the control of the suprachiasmatic nucleus (SCN), which directly regulates the pattern of CRH and AVP release from the PVN, and in addition modulates the responsiveness of the adrenal gland

Article Type:
Review Article
DOI:
https://doi.org/10.1530/JOE-15-0132
Volume/Issue:
Volume 226: Issue 2
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
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
Molecular Medicine Research Labs, Drug Discovery Research, Astellas Pharma Inc., Miyukigaoka 21, Tsukuba-shi, Ibaraki 305-8585, 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
Molecular Medicine Research Labs, Drug Discovery Research, Astellas Pharma Inc., Miyukigaoka 21, Tsukuba-shi, Ibaraki 305-8585, 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
Molecular Medicine Research Labs, Drug Discovery Research, Astellas Pharma Inc., Miyukigaoka 21, Tsukuba-shi, Ibaraki 305-8585, Japan

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Seiichi Hashimoto 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
Molecular Medicine Research Labs, Drug Discovery Research, Astellas Pharma Inc., Miyukigaoka 21, Tsukuba-shi, Ibaraki 305-8585, 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
Molecular Medicine Research Labs, Drug Discovery Research, Astellas Pharma Inc., Miyukigaoka 21, Tsukuba-shi, Ibaraki 305-8585, Japan

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, which is critical for successful pregnancy in rodents ( Gu et al. 1994 ). The present finding predicts that, in vivo , the circadian rhythms in the endometrial stroma may be impaired during decidualization. In vivo , cellular differentiation

Article Type:
Research Article
DOI:
https://doi.org/10.1677/JOE-07-0044
Volume/Issue:
Volume 193: Issue 3
Free access