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Ferdinand Roelfsema Department of Internal Medicine, Section Endocrinology, Leiden University Medical Center, Leiden, The Netherlands

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Peter Y Liu Department of Medicine, David Geffen School of Medicine at UCLA, Harbor-UCLA Medical Center and Los Angeles Biomedical Research Institute, Los Angeles, California, USA

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Rebecca Yang Endocrine Research Unit, Mayo Clinic College of Medicine, Center for Translational Science Activities, Mayo Clinic, Rochester, Minnesota, USA

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Paul Takahashi Primary Care Internal Medicine, Mayo Clinic, Rochester, Minnesota, USA

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Johannes D Veldhuis Endocrine Research Unit, Mayo Clinic College of Medicine, Center for Translational Science Activities, Mayo Clinic, Rochester, Minnesota, USA

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impairs neurobehavioral, as well as metabolic and putatively reproductive health in aging ( 48 ). The earlier nocturnal rise in cortisol secretion likely reflects the timing of IL-2 administration rather than resetting of the circadian rhythm. Further

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-20-0211
Volume/Issue:
Volume 9: Issue 7
Open access
Riccardo Pofi Department of Endocrinology, Oxford Centre for Diabetes, Endocrinology and Metabolism and NIHR Oxford Biomedical Research Centre, Churchill Hospital, University of Oxford, Oxford, UK

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Ilaria Bonaventura Department of Experimental Medicine, Sapienza University of Rome, Viale Regina Elena, Rome, Italy

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Joanne Duffy Department of Clinical Chemistry and Immunology, Heartlands Hospital, Birmingham, UK

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Zoe Maunsell Department of Clinical Biochemistry, Oxford University Hospitals NHS Foundation Trust, Oxford, UK

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Brian Shine Department of Clinical Biochemistry, Oxford University Hospitals NHS Foundation Trust, Oxford, UK

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

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Jeremy W Tomlinson Department of Endocrinology, Oxford Centre for Diabetes, Endocrinology and Metabolism and NIHR Oxford Biomedical Research Centre, Churchill Hospital, University of Oxford, Oxford, UK

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Morise T & Takimoto H . Circadian rhythm of plasma aldosterone and time dependent alterations of aldosterone regulators . Journal of Steroid Biochemistry 1984 20 321 – 323 . ( https://doi.org/10.1016/0022-4731(8490225-5 ) 11 Bornstein SR

Article Type:
Research Article
Collections:
Adrenal
DOI:
https://doi.org/10.1530/EC-23-0059
Volume/Issue:
Volume 12: Issue 9
Open access
Andrew R Dismukes Department of Human Development and Family Studies, Iowa State University, Ames, Iowa, USA
Tulane University School of Medicine, Department of Psychiatry, Division of Child and Adolescent Psychiatry, Tulane University, New Orleans, Louisiana, USA

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Vanessa J Meyer Department of Human Development and Family Studies, Iowa State University, Ames, Iowa, USA
Tulane University School of Medicine, Department of Psychiatry, Division of Child and Adolescent Psychiatry, Tulane University, New Orleans, Louisiana, USA

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Elizabeth A Shirtcliff Department of Human Development and Family Studies, Iowa State University, Ames, Iowa, USA

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Katherine P Theall Tulane University School of Medicine, Department of Psychiatry, Division of Child and Adolescent Psychiatry, Tulane University, New Orleans, Louisiana, USA

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Kyle C Esteves Tulane University School of Medicine, Department of Psychiatry, Division of Child and Adolescent Psychiatry, Tulane University, New Orleans, Louisiana, USA

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Stacy S Drury Tulane University School of Medicine, Department of Psychiatry, Division of Child and Adolescent Psychiatry, Tulane University, New Orleans, Louisiana, USA

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Essex MJ. Longitudinal stability and developmental properties of salivary cortisol levels and circadian rhythms from childhood to adolescence . Developmental Psychobiology 2012 54 493 – 502 . ( doi:10.1002/dev.v54.5 ) 27 Webb SJ

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-16-0007
Volume/Issue:
Volume 5: Issue 3
Open access
Takuhiro Sonoyama Department of Medicine and Clinical Science, Kyoto University Graduate School of Medicine, 54 Shogoin Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan

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Masakatsu Sone Department of Medicine and Clinical Science, Kyoto University Graduate School of Medicine, 54 Shogoin Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan

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Naohisa Tamura Department of Medicine and Clinical Science, Kyoto University Graduate School of Medicine, 54 Shogoin Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan

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Kyoko Honda Department of Medicine and Clinical Science, Kyoto University Graduate School of Medicine, 54 Shogoin Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan

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Daisuke Taura Department of Medicine and Clinical Science, Kyoto University Graduate School of Medicine, 54 Shogoin Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan

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Katsutoshi Kojima Department of Medicine and Clinical Science, Kyoto University Graduate School of Medicine, 54 Shogoin Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan

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Yorihide Fukuda Department of Medicine and Clinical Science, Kyoto University Graduate School of Medicine, 54 Shogoin Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan

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Naotetsu Kanamoto Department of Medicine and Clinical Science, Kyoto University Graduate School of Medicine, 54 Shogoin Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan

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Masako Miura Department of Medicine and Clinical Science, Kyoto University Graduate School of Medicine, 54 Shogoin Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan

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Akihiro Yasoda Department of Medicine and Clinical Science, Kyoto University Graduate School of Medicine, 54 Shogoin Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan

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Hiroshi Arai Department of Medicine and Clinical Science, Kyoto University Graduate School of Medicine, 54 Shogoin Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan

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Hiroshi Itoh Department of Medicine and Clinical Science, Kyoto University Graduate School of Medicine, 54 Shogoin Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan

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Kazuwa Nakao Department of Medicine and Clinical Science, Kyoto University Graduate School of Medicine, 54 Shogoin Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan

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Metabolism 1968 28 1014 – 1022 . ( doi:10.1210/jcem-28-7-1014 ). 15 Kem DC Weinberger MH Gomez-Sanchez C Kramer NJ Lerman R Furuyama S Nugent CA . Circadian rhythm of plasma aldosterone concentration in patients with primary aldosteronism

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-14-0086
Volume/Issue:
Volume 3: Issue 4
Open access
Wang Chengji College of Physical Education, Chaohu University, Anhui Province, China

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Fan Xianjin College of Physical Education, Chaohu University, Anhui Province, China

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~25°C and humidity 60~40%, natural circadian rhythm, light enough. After one-week adjustment period given high-fat diet for rats, its feed formula is lard 10%, white sugar 20%, egg yolk powder 5%, bile salt 0.2%, vitamin 0.05%, mineral 0.2% and basic

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-18-0060
Volume/Issue:
Volume 7: Issue 4
Open access
Jesper Krogh Department of Endocrinology & Metabolism, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark

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Peter Plomgaard Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
Department of Clinical Biochemistry, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark

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Ruth Frikke-Schmidt Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
Department of Clinical Biochemistry, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark

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Sten Velschow Fluisense ApS, Lillerød, Denmark

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Jesper Johannesen Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
Department of Pediatrics, Copenhagen University Hospital - Herlev & Gentofte, Copenhagen, Denmark

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Linda Maria Hilsted Department of Clinical Biochemistry, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark

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Malene Schrøder Fluisense ApS, Lillerød, Denmark

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Ulla Feldt-Rasmussen Department of Endocrinology & Metabolism, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark

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), which require repeated venous sampling. The pathology of several other conditions such as major depression, bipolar disease, stress related to night shifts, nocturia, hypertension, and sleep disorders have all been claimed to include disrupted circadian

Article Type:
Research Article
Collections:
Pituitary and Hypothalamus
DOI:
https://doi.org/10.1530/EC-23-0087
Volume/Issue:
Volume 12: Issue 7
Open access
Robert Maidstone Oxford Centre for Diabetes, Endocrinology and Metabolism, and Oxford Kavli Centre for Nanoscience Discovery, University of Oxford, Oxford, UK
Centre for Biological Timing, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK

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Martin K Rutter Centre for Biological Timing, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
Diabetes, Endocrinology and Metabolism Centre, Manchester University NHS Foundation Trust, NIHR Manchester Biomedical Research Centre, Manchester Academic Health Science Centre, Manchester, UK

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Thomas Marjot Oxford Centre for Diabetes, Endocrinology and Metabolism, and Oxford Kavli Centre for Nanoscience Discovery, University of Oxford, Oxford, UK
Oxford Liver Unit, Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital, UK

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David W Ray Oxford Centre for Diabetes, Endocrinology and Metabolism, and Oxford Kavli Centre for Nanoscience Discovery, University of Oxford, Oxford, UK
NIHR Oxford Health Biomedical Research Centre, and NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford, UK

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Matthew Baxter Oxford Centre for Diabetes, Endocrinology and Metabolism, and Oxford Kavli Centre for Nanoscience Discovery, University of Oxford, Oxford, UK
NIHR Oxford Health Biomedical Research Centre, and NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford, UK

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nucleus (SCN). The SCN receives light information from the retina. The timekeeping mechanism is composed of a transcriptional–translational feedback loop, which has an intrinsic period of approximately 24 h. Circadian rhythms are critically important for

Article Type:
Research Article
Collections:
Metabolic Syndrome and Diabetes
DOI:
https://doi.org/10.1530/EC-23-0472
Volume/Issue:
Volume 13: Issue 2
Open access
Jonneke J Hollanders Department of Pediatric Endocrinology, VU University Medical Center, Amsterdam, The Netherlands

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Bibian van der Voorn Department of Pediatric Endocrinology, VU University Medical Center, Amsterdam, The Netherlands

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Noera Kieviet Department of Pediatrics, Psychiatry Obstetrics Pediatrics Expert Center, OLVG West, Amsterdam, The Netherlands

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Koert M Dolman Department of Pediatrics, Psychiatry Obstetrics Pediatrics Expert Center, OLVG West, Amsterdam, The Netherlands

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Yolanda B de Rijke Department of Clinical Chemistry, Erasmus MC, University Medical Center, Rotterdam, The Netherlands

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Erica L T van den Akker Department of Pediatric Endocrinology, Erasmus MC Sophia Children’s Hospital, Rotterdam, The Netherlands

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Joost Rotteveel Department of Pediatric Endocrinology, VU University Medical Center, Amsterdam, The Netherlands

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Adriaan Honig Department of Pediatrics, Psychiatry Obstetrics Pediatrics Expert Center, OLVG West, Amsterdam, The Netherlands
Department of Psychiatry, VU University Medical Center, Amsterdam, The Netherlands

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Martijn J J Finken Department of Pediatric Endocrinology, VU University Medical Center, Amsterdam, The Netherlands

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of the circadian rhythm. The hair GC concentrations reflect the exposure in the time frame during which the hair grows ( 14 ). Maternal hair GC levels seem to reflect HPA axis activity during pregnancy ( 15 , 16 , 17 ). Neonatal hair GC levels

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-17-0179
Volume/Issue:
Volume 6: Issue 8
Open access
Ferdinand Roelfsema Department of Internal Medicine, Leiden University Medical Center, Leiden, The Netherlands

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Diana van Heemst Department of Internal Medicine, Section Gerontology and Geriatrics, Leiden University Medical Center, Leiden, The Netherlands

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Ali Iranmanesh Endocrine Section, Medical Service, Salem Veterans Affairs Medical Center, Salem, Virginia, USA

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Paul Takahashi Primary Care Internal Medicine, Mayo Clinic, Rochester, Minnesota, USA

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Rebecca Yang Endocrine Research Unit, Mayo Medical and Graduate Schools, Clinical Translational Research Center, Mayo Clinic, Rochester, Minnesota, USA

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Johannes D Veldhuis Endocrine Research Unit, Mayo Medical and Graduate Schools, Clinical Translational Research Center, Mayo Clinic, Rochester, Minnesota, USA

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1223 – 1228 . ( doi:10.1210/jc.2008-2543 ) 10.1210/jc.2008-2543 10 Sherman B Wysham C Pfohl B. Age-related changes in the circadian rhythm of plasma cortisol in man . Journal of Clinical Endocrinology and Metabolism 1985 61 439

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-17-0160
Volume/Issue:
Volume 6: Issue 7
Open access
Kerry V Fanson Wildlife Reproductive Centre, School of Life and Environmental Sciences, School of Agriculture and Food Sciences, Taronga Conservation Society Australia, Dubbo, New South Wales, Australia
Wildlife Reproductive Centre, School of Life and Environmental Sciences, School of Agriculture and Food Sciences, Taronga Conservation Society Australia, Dubbo, New South Wales, Australia

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Tamara Keeley Wildlife Reproductive Centre, School of Life and Environmental Sciences, School of Agriculture and Food Sciences, Taronga Conservation Society Australia, Dubbo, New South Wales, Australia
Wildlife Reproductive Centre, School of Life and Environmental Sciences, School of Agriculture and Food Sciences, Taronga Conservation Society Australia, Dubbo, New South Wales, Australia

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Benjamin G Fanson Wildlife Reproductive Centre, School of Life and Environmental Sciences, School of Agriculture and Food Sciences, Taronga Conservation Society Australia, Dubbo, New South Wales, Australia

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) , humans (38) , pandas (39) , and sheep (40) ). The most detailed studies have been conducted in rats, and have shown that this increase is not due to overall upregulation of adrenal activity, but is due to a change in the amplitude of the circadian

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-14-0025
Volume/Issue:
Volume 3: Issue 2
Open access