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Isis Gabrielli Barbieri de Oliveira Center of Neuroscience and Cardiovascular Research, Biological Science Institute, Federal University of Goiás, Goiânia, Goiás, Brazil

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Marcos Divino Ferreira Junior Center of Neuroscience and Cardiovascular Research, Biological Science Institute, Federal University of Goiás, Goiânia, Goiás, Brazil

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Paulo Ricardo Lopes Center of Neuroscience and Cardiovascular Research, Biological Science Institute, Federal University of Goiás, Goiânia, Goiás, Brazil

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Dhiogenes Balsanufo Taveira Campos Center of Neuroscience and Cardiovascular Research, Biological Science Institute, Federal University of Goiás, Goiânia, Goiás, Brazil

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Marcos Luiz Ferreira-Neto Departament of Physiology, Institute of Biomedical Science, Laboratory of Electrophysiology and Cardiovascular Physiology, Federal University of Uberlândia, Uberlândia, Minas Gerais, Brazil

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Eduardo Henrique Rosa Santos Departament of Physiology, Institute of Biomedical Science, Laboratory of Electrophysiology and Cardiovascular Physiology, Federal University of Uberlândia, Uberlândia, Minas Gerais, Brazil

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Paulo Cezar de Freitas Mathias Department of Biotechnology, Genetics and Cell Biology, Laboratory of Secretion Cell Biology, State University of Maringá, Maringá, Paraná, Brazil

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Flávio Andrade Francisco Department of Biotechnology, Genetics and Cell Biology, Laboratory of Secretion Cell Biology, State University of Maringá, Maringá, Paraná, Brazil

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Bruna Del Vechio Koike Medical Department, Federal University of San Francisco Valley, Petrolina, Pernambuco, Brazil

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Carlos Henrique de Castro Department of Physiological Science, Integrative Laboratory of Cardiovascular and Neurological Pathophysiology, Biological Science Institute, Federal University of Goiás, Goiânia, Goiás, Brazil

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André Henrique Freiria-Oliveira Center of Neuroscience and Cardiovascular Research, Biological Science Institute, Federal University of Goiás, Goiânia, Goiás, Brazil

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Gustavo Rodrigues Pedrino Center of Neuroscience and Cardiovascular Research, Biological Science Institute, Federal University of Goiás, Goiânia, Goiás, Brazil

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Rodrigo Mello Gomes Center of Neuroscience and Cardiovascular Research, Biological Science Institute, Federal University of Goiás, Goiânia, Goiás, Brazil

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Daniel Alves Rosa Center of Neuroscience and Cardiovascular Research, Biological Science Institute, Federal University of Goiás, Goiânia, Goiás, Brazil

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relate to increased adiposity and the development of other parameters of metabolic syndrome ( Báez-Ruiz et al. 2017 ). Although many evidence suggests that the desynchronization of circadian rhythm increases the risk of cardiometabolic disorders

Article Type:
Research Article
DOI:
https://doi.org/10.1530/JOE-19-0026
Volume/Issue:
Volume 242: Issue 2
Free access
S A Cavigelli
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S L Monfort
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T K Whitney
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Y S Mechref
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M Novotny
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M K McClintock
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several pellets every 1–2 h ( Kishibayashi et al. 1995 ), according the higher temporal resolution needed to detect circadian rhythms and perturbations by a stressor. Fecal corticoid measures are also effective for documenting changes in glucocorticoid

Article Type:
Research Article
DOI:
https://doi.org/10.1677/joe.1.05935
Volume/Issue:
Volume 184: Issue 1
Free access
Jennifer A Evans Department of Biomedical Sciences, Marquette University, Milwaukee, WI, USA

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various body clocks with one another and with the local time zone. Classic work demonstrates that the SCN is necessary for maintaining circadian rhythms in numerous processes, including sleep, feeding, drinking, melatonin production, and reproductive

Article Type:
Review Article
DOI:
https://doi.org/10.1530/JOE-16-0054
Volume/Issue:
Volume 230: Issue 1
Free access
Sebastian R Vanin Departments of Obstetrics and Gynaecology, and Physiology and Pharmacology, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada

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Kendrick Lee Departments of Obstetrics and Gynaecology, and Physiology and Pharmacology, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada

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Mina Nashed Department of Anatomy and Cell Biology, University of Western Ontario, London, Ontario, Canada

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Brennan Tse Department of Pathology and Laboratory Medicine, Schulich School of Medicine and Dentistry, The Lawson Health Research Institute and Children's Health Research Institute, University of Western Ontario, London, Ontario, Canada

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Mohammed Sarikahya Department of Anatomy and Cell Biology, University of Western Ontario, London, Ontario, Canada

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Sukham Brar Department of Pathology and Laboratory Medicine, Schulich School of Medicine and Dentistry, The Lawson Health Research Institute and Children's Health Research Institute, University of Western Ontario, London, Ontario, Canada

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Gregg Tomy Department of Chemistry, University of Manitoba, Winnipeg, Manitoba, Canada

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Amica-Mariae Lucas Department of Chemistry, University of Manitoba, Winnipeg, Manitoba, Canada

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Thane Tomy Department of Chemistry, University of Manitoba, Winnipeg, Manitoba, Canada

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Steven R Laviolette Department of Anatomy and Cell Biology, University of Western Ontario, London, Ontario, Canada

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Edith J Arany Department of Pathology and Laboratory Medicine, Schulich School of Medicine and Dentistry, The Lawson Health Research Institute and Children's Health Research Institute, University of Western Ontario, London, Ontario, Canada

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Daniel B Hardy Departments of Obstetrics and Gynaecology, and Physiology and Pharmacology, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
The Lawson Health Research Institute and the Children's Health Research Institute, London, Ontario, Canada

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terms are shown at maximum. Each bubble is the -log 10 ( P -value) for the respective term and is sized according to the gene ratio. Across the GO:BP, GO:CC, and KEGG enriched terms, we observed common terms related to circadian rhythm

Article Type:
Research Article
DOI:
https://doi.org/10.1530/JOE-23-0173
Volume/Issue:
Volume 260: Issue 1
Open access
Muneki Ikeda Department of Biophysics and Life Sciences, Bioinformatics Project of Japan Science and Technology Agency, Laboratory of Exercise Biochemistry and Neuroendocrinology, Department of Urology, Graduate School of Arts and Sciences, University of Tokyo, 3‐8‐1 Komaba, Meguro‐ku, Tokyo 152-8902, Japan

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Yasushi Hojo Department of Biophysics and Life Sciences, Bioinformatics Project of Japan Science and Technology Agency, Laboratory of Exercise Biochemistry and Neuroendocrinology, Department of Urology, Graduate School of Arts and Sciences, University of Tokyo, 3‐8‐1 Komaba, Meguro‐ku, Tokyo 152-8902, Japan
Department of Biophysics and Life Sciences, Bioinformatics Project of Japan Science and Technology Agency, Laboratory of Exercise Biochemistry and Neuroendocrinology, Department of Urology, Graduate School of Arts and Sciences, University of Tokyo, 3‐8‐1 Komaba, Meguro‐ku, Tokyo 152-8902, Japan

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Yoshimasa Komatsuzaki Department of Biophysics and Life Sciences, Bioinformatics Project of Japan Science and Technology Agency, Laboratory of Exercise Biochemistry and Neuroendocrinology, Department of Urology, Graduate School of Arts and Sciences, University of Tokyo, 3‐8‐1 Komaba, Meguro‐ku, Tokyo 152-8902, Japan

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Masahiro Okamoto Department of Biophysics and Life Sciences, Bioinformatics Project of Japan Science and Technology Agency, Laboratory of Exercise Biochemistry and Neuroendocrinology, Department of Urology, Graduate School of Arts and Sciences, University of Tokyo, 3‐8‐1 Komaba, Meguro‐ku, Tokyo 152-8902, Japan
Department of Biophysics and Life Sciences, Bioinformatics Project of Japan Science and Technology Agency, Laboratory of Exercise Biochemistry and Neuroendocrinology, Department of Urology, Graduate School of Arts and Sciences, University of Tokyo, 3‐8‐1 Komaba, Meguro‐ku, Tokyo 152-8902, Japan

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Asami Kato Department of Biophysics and Life Sciences, Bioinformatics Project of Japan Science and Technology Agency, Laboratory of Exercise Biochemistry and Neuroendocrinology, Department of Urology, Graduate School of Arts and Sciences, University of Tokyo, 3‐8‐1 Komaba, Meguro‐ku, Tokyo 152-8902, Japan

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Taishi Takeda Department of Biophysics and Life Sciences, Bioinformatics Project of Japan Science and Technology Agency, Laboratory of Exercise Biochemistry and Neuroendocrinology, Department of Urology, Graduate School of Arts and Sciences, University of Tokyo, 3‐8‐1 Komaba, Meguro‐ku, Tokyo 152-8902, Japan

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Suguru Kawato Department of Biophysics and Life Sciences, Bioinformatics Project of Japan Science and Technology Agency, Laboratory of Exercise Biochemistry and Neuroendocrinology, Department of Urology, Graduate School of Arts and Sciences, University of Tokyo, 3‐8‐1 Komaba, Meguro‐ku, Tokyo 152-8902, Japan
Department of Biophysics and Life Sciences, Bioinformatics Project of Japan Science and Technology Agency, Laboratory of Exercise Biochemistry and Neuroendocrinology, Department of Urology, Graduate School of Arts and Sciences, University of Tokyo, 3‐8‐1 Komaba, Meguro‐ku, Tokyo 152-8902, Japan
Department of Biophysics and Life Sciences, Bioinformatics Project of Japan Science and Technology Agency, Laboratory of Exercise Biochemistry and Neuroendocrinology, Department of Urology, Graduate School of Arts and Sciences, University of Tokyo, 3‐8‐1 Komaba, Meguro‐ku, Tokyo 152-8902, Japan

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), the CORT level changes in both the plasma and brain along the circadian rhythm ( Migeon et al . 1956 , Moore & Eichler 1972 , Qian et al . 2012 ). Qian et al . showed the high synchronicity of CORT oscillation between the blood and hippocampus by

Article Type:
Research Article
DOI:
https://doi.org/10.1530/JOE-15-0078
Volume/Issue:
Volume 226: Issue 2
Free access
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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thyroid hormones compared to control rats, and based on the mean concentrations, it amounted to 7.7-fold for T4, 23-fold for free T4 and two-fold for T3, respectively ( Fig. 4D, E and F ). Furthermore, daily circadian rhythms in the thyroid hormones

Article Type:
Research Article
DOI:
https://doi.org/10.1530/JOE-17-0111
Volume/Issue:
Volume 233: Issue 3
Open access
Qinghua Wang State Key Laboratory of Pharmaceutical Biotechnology and MOE Key Laboratory of Model Animal for Disease Study, Model Animal Research Center, Nanjing Biomedical Research Institute, Nanjing University, Nanjing, Jiangsu, China
Laboratory Animal Center, Nantong University, Nantong, Jiangsu, China

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Jing Tang State Key Laboratory of Pharmaceutical Biotechnology and MOE Key Laboratory of Model Animal for Disease Study, Model Animal Research Center, Nanjing Biomedical Research Institute, Nanjing University, Nanjing, Jiangsu, China

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Shujun Jiang State Key Laboratory of Pharmaceutical Biotechnology and MOE Key Laboratory of Model Animal for Disease Study, Model Animal Research Center, Nanjing Biomedical Research Institute, Nanjing University, Nanjing, Jiangsu, China
School of Traditional Chinese Medicine, China Pharmaceutical University, Nanjing, Jiangsu, China

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Zan Huang State Key Laboratory of Pharmaceutical Biotechnology and MOE Key Laboratory of Model Animal for Disease Study, Model Animal Research Center, Nanjing Biomedical Research Institute, Nanjing University, Nanjing, Jiangsu, China
Laboratory of Gastrointestinal Microbiology, Jiangsu Key Laboratory of Gastrointestinal Nutrition and Animal Health, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu, China

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Anying Song State Key Laboratory of Pharmaceutical Biotechnology and MOE Key Laboratory of Model Animal for Disease Study, Model Animal Research Center, Nanjing Biomedical Research Institute, Nanjing University, Nanjing, Jiangsu, China

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Siyuan Hou State Key Laboratory of Pharmaceutical Biotechnology and MOE Key Laboratory of Model Animal for Disease Study, Model Animal Research Center, Nanjing Biomedical Research Institute, Nanjing University, Nanjing, Jiangsu, China

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Xiang Gao State Key Laboratory of Pharmaceutical Biotechnology and MOE Key Laboratory of Model Animal for Disease Study, Model Animal Research Center, Nanjing Biomedical Research Institute, Nanjing University, Nanjing, Jiangsu, China

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Hai-Bin Ruan Department of Integrative Biology and Physiology, University of Minnesota Medical School, Minneapolis, Minnesota, USA

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), ITA and XIAP ( Jordan et al. 2001 ), UNC5H1 ( Williams et al. 2003 ), ROR2 ( Matsuda et al. 2003 ) and RORα ( Wang et al. 2010 ) to regulate neural development, cell apoptosis and proliferation and circadian rhythm. We and others have showed

Article Type:
Research Article
DOI:
https://doi.org/10.1530/JOE-18-0349
Volume/Issue:
Volume 239: Issue 2
Free access
Miho Sato Department of Veterinary Physiology, Faculty of Agriculture, University of Miyazaki, Miyazaki 889-2155, Japan
Department of Biochemistry, National Cardiovascular Center Research Institute, Osaka 565-8565, Japan

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Keiko Nakahara Department of Veterinary Physiology, Faculty of Agriculture, University of Miyazaki, Miyazaki 889-2155, Japan
Department of Biochemistry, National Cardiovascular Center Research Institute, Osaka 565-8565, Japan

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Mikiya Miyazato Department of Veterinary Physiology, Faculty of Agriculture, University of Miyazaki, Miyazaki 889-2155, Japan
Department of Biochemistry, National Cardiovascular Center Research Institute, Osaka 565-8565, Japan

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Kenji Kangawa Department of Veterinary Physiology, Faculty of Agriculture, University of Miyazaki, Miyazaki 889-2155, Japan
Department of Biochemistry, National Cardiovascular Center Research Institute, Osaka 565-8565, Japan

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Noboru Murakami Department of Veterinary Physiology, Faculty of Agriculture, University of Miyazaki, Miyazaki 889-2155, Japan
Department of Biochemistry, National Cardiovascular Center Research Institute, Osaka 565-8565, Japan

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expression is regulated by circadian rhythm, starvation, CCK, gastrin, and other factors, possibly via extracellular fluid or satellite cells. CCK and gastrin receptors are expressed in vagal afferent neurons, implying that the regulation of GHS-R gene

Article Type:
Research Article
DOI:
https://doi.org/10.1677/JOE-06-0078
Volume/Issue:
Volume 194: Issue 1
Free access
Christophe Breton Unité Environnement Périnatal et Croissance, UPRES EA 4489, Equipe Dénutritions Maternelles Périnatales, Université Lille‐Nord de France, Villeneuve d'Ascq, France

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. In addition, fasted adult offspring from FR70 dams during gestation displayed no marked reduced α-MSH-immunoreactive fibre projection intensity in the PVN ( Breton et al . 2009 ). Maternal reduced nutrition modifies circadian rhythms in the offspring

Article Type:
Research Article
DOI:
https://doi.org/10.1530/JOE-12-0157
Volume/Issue:
Volume 216: Issue 2
Free access
SW Lockley
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DJ Skene
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K James
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K Thapan
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J Wright
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J Arendt
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Although melatonin treatment has been shown to phase shift human circadian rhythms, it still remains ambiguous as to whether exogenous melatonin can entrain a free-running circadian system. We have studied seven blind male subjects with no light perception who exhibited free-running urinary 6-sulphatoxymelatonin (aMT6s) and cortisol rhythms. In a single-blind design, five subjects received placebo or 5 mg melatonin p.o. daily at 2100 h for a full circadian cycle (35-71 days). The remaining two subjects also received melatonin (35-62 days) but not placebo. Urinary aMT6s and cortisol (n=7) and core body temperature (n=1) were used as phase markers to assess the effects of melatonin on the During melatonin treatment, four of the seven free-running subjects exhibited a shortening of their cortisol circadian period (tau). Three of these had taus which were statistically indistinguishable from entrainment. In contrast, the remaining three subjects continued to free-run during the melatonin treatment at a similar tau as prior to and following treatment. The efficacy of melatonin to entrain the free-running cortisol rhythms appeared to be dependent on the circadian phase at which the melatonin treatment commenced. These results show for the first time that daily melatonin administration can entrain free-running circadian rhythms in some blind subjects assessed using reliable physiological markers of the circadian system.

Article Type:
Other
DOI:
https://doi.org/10.1677/joe.0.164r001
Volume/Issue:
Volume 164: Issue 1
Free access