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Gareth Leng Centre for Discovery Brain Sciences, University of Edinburgh, Edinburgh, UK

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the circadian rhythms of behaviour that persist in constant darkness. In lesioned hamsters, circadian rhythmicity can be restored by transplanting fragments of neonatal suprachiasmatic nucleus into the third ventricle – and, remarkably, can do so even

Article Type:
Review Article
DOI:
https://doi.org/10.1530/EC-18-0367
Volume/Issue:
Volume 7: Issue 12
Open access
Britt J van Keulen Department of Pediatric Endocrinology, Emma Children’s Hospital, Amsterdam University Medical Centers, location VUmc, Amsterdam, The Netherlands
Department of Pediatrics, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam Reproduction & Development Research Institute, de Boelelaan, Amsterdam, The Netherlands

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Michelle Romijn Department of Pediatric Endocrinology, Emma Children’s Hospital, Amsterdam University Medical Centers, location VUmc, Amsterdam, The Netherlands
Department of Pediatrics, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam Reproduction & Development Research Institute, de Boelelaan, Amsterdam, The Netherlands

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Bibian van der Voorn Department of Pediatric Endocrinology, Sophia Kinderziekenhuis, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands

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Marita de Waard Emma Children’s Hospital, Amsterdam University Medical Centers, locations AMC and VUmc, Amsterdam, The Netherlands

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Michaela F Hartmann Steroid Research and Mass Spectrometry Unit, Laboratory for Translational Hormone Analytics, Pediatric Endocrinology & Diabetology, Center of Child and Adolescent Medicine, Justus-Liebig-University, Giessen, Germany

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Johannes B van Goudoever Emma Children’s Hospital, Amsterdam University Medical Centers, locations AMC and VUmc, Amsterdam, The Netherlands

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Stefan A Wudy Steroid Research and Mass Spectrometry Unit, Laboratory for Translational Hormone Analytics, Pediatric Endocrinology & Diabetology, Center of Child and Adolescent Medicine, Justus-Liebig-University, Giessen, Germany

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Joost Rotteveel Department of Pediatric Endocrinology, Emma Children’s Hospital, Amsterdam University Medical Centers, location VUmc, Amsterdam, The Netherlands

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Martijn J J Finken Department of Pediatric Endocrinology, Emma Children’s Hospital, Amsterdam University Medical Centers, location VUmc, Amsterdam, The Netherlands
Department of Pediatrics, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam Reproduction & Development Research Institute, de Boelelaan, Amsterdam, The Netherlands

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had no information on the timing of antenatal corticosteroid treatment. Finally, for practical reasons related to the NICU setting we were not able to collect 24-h urine. However, young infants have not yet developed an adult-like circadian rhythm ( 29

Article Type:
Research Article
Collections:
Paediatric Endocrinology Collection
DOI:
https://doi.org/10.1530/EC-20-0587
Volume/Issue:
Volume 10: Issue 2
Open access
Filippo Ceccato Endocrinology Unit, Department of Medicine DIMED, University-Hospital of Padova, Padova, Italy
Department of Neuroscience DNS, University of Padova, Padova, Italy

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Diego Cecchin Department of Neuroscience DNS, University of Padova, Padova, Italy
Nuclear Medicine Unit, Department of Medicine – DIMED, University-Hospital of Padova, Padova, Italy
Padova Neuroscience Center PNC, University of Padova, Padova, Italy

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Michele Gregianin Nuclear Medicine Unit, Castelfranco Veneto, Italy

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Giacomo Ricci Department of Neuroscience DNS, University of Padova, Padova, Italy

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Cristina Campi Padova Neuroscience Center PNC, University of Padova, Padova, Italy
Department of Mathematics ‘Tullio Levi-Civita’ DM, University of Padova, Padova, Italy

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Filippo Crimì Radiology Unit, Department of Medicine DIMED, University-Hospital of Padova, Padova, Italy

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Marta Bergamo Endocrinology Unit, Department of Medicine DIMED, University-Hospital of Padova, Padova, Italy

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Annibale Versari Nuclear Medicine Unit, Reggio Emilia, Italy

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Carmelo Lacognata Radiology Department, University-Hospital of Padova, Padova, Italy

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Federico Rea Thoracic Surgery Unit, Department of Cardiac, Thoracic and Vascular Sciences, University Hospital of Padova, Padova, Italy

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Mattia Barbot Endocrinology Unit, Department of Medicine DIMED, University-Hospital of Padova, Padova, Italy

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Carla Scaroni Endocrinology Unit, Department of Medicine DIMED, University-Hospital of Padova, Padova, Italy

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impaired results using first-line screening tests: elevation of 24-h urinary free cortisol (UFC), absent serum cortisol suppression (<50 nmol/L) after overnight 1 mg dexamethasone suppression test (DST) and loss of circadian salivary cortisol rhythm. The

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-20-0089
Volume/Issue:
Volume 9: Issue 4
Open access
Karim Gariani Service of Endocrinology, Diabetes, Hypertension and Nutrition, Geneva University Hospitals, Geneva, Switzerland

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Pedro Marques-Vidal Departments of Medicine and Internal Medicine, Lausanne University Hospital, Lausanne, Switzerland

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Gérard Waeber Departments of Medicine and Internal Medicine, Lausanne University Hospital, Lausanne, Switzerland

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Peter Vollenweider Departments of Medicine and Internal Medicine, Lausanne University Hospital, Lausanne, Switzerland

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François R Jornayvaz Service of Endocrinology, Diabetes, Hypertension and Nutrition, Geneva University Hospitals, Geneva, Switzerland

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number of diabetes complications ( 19 ). Cortisol secretion follows a circadian rhythm with a nadir at midnight, starts to rise at 02:00–04:00 h, displays a peak briefly after waking up and then shows a progressive decrease during the day ( 20 ). The

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-19-0251
Volume/Issue:
Volume 8: Issue 7
Open access
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
Kamran Iqbal Shire, London, UK

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Kate Halsby pH Associates, Marlow, UK

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Robert D Murray Leeds Centre for Diabetes & Endocrinology, St James’s University Hospital, Leeds, UK

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Paul V Carroll Department of Endocrinology, Guy’s & St. Thomas’ NHS Foundation Trust, London, UK

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Robert Petermann Shire, Vienna, Austria

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primary AI, a mineralocorticoid analogue (fludrocortisone), with the aim to replace the missing cortisol and aldosterone, respectively. Conventional immediate-release (IR) HC does not replicate the physiological circadian rhythm of endogenous cortisol

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-18-0418
Volume/Issue:
Volume 8: Issue 1
Open access
Jan W Eriksson Department of Medical Sciences, Uppsala University, Uppsala, Sweden

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Reem A Emad Department of Pharmacy, Uppsala University, Uppsala, Sweden

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Martin H Lundqvist Department of Medical Sciences, Uppsala University, Uppsala, Sweden

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Niclas Abrahamsson Department of Medical Sciences, Uppsala University, Uppsala, Sweden

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Maria C Kjellsson Department of Pharmacy, Uppsala University, Uppsala, Sweden

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, 17 , 20 ). The model diversity illustrated this phenomenon. It is, however, reassuring that the main model structure of the final model was similar to other published models ( 16 ), with the main differences being the lack of circadian rhythm ( 16

Article Type:
Research Article
Collections:
Metabolic Syndrome and Diabetes
DOI:
https://doi.org/10.1530/EC-22-0506
Volume/Issue:
Volume 12: Issue 4
Open access
Shane M Regnier Committee on Molecular Metabolism and Nutrition, Chicago, Illinois, USA
Pritzker School of Medicine, Chicago, Illinois, USA
University of Chicago, Chicago, Illinois, USA

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Andrew G Kirkley University of Chicago, Chicago, Illinois, USA
Committee on Molecular Pathogenesis and Molecular Medicine, Chicago, Illinois, USA

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Daniel Ruiz Committee on Molecular Metabolism and Nutrition, Chicago, Illinois, USA
University of Chicago, Chicago, Illinois, USA

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Wakanene Kamau University of Chicago, Chicago, Illinois, USA

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Qian Wu Wadsworth Center, New York Department of Health, Albany, New York, USA

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Kurunthachalam Kannan Wadsworth Center, New York Department of Health, Albany, New York, USA

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Robert M Sargis Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, University of Illinois at Chicago, Chicago, Illinois, USA

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and corrected energy expenditures, activity or food consumption ( Fig. 3A – F ). Thus, in the setting of an HFHSD, TF exposure does not alter fuel preference, energy expenditure or metabolic circadian rhythms. Figure 3 Metabolic cage analyses on

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-17-0320
Volume/Issue:
Volume 7: Issue 1
Open access
Dan Liang Department of Endocrinology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China

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Han Chen Department of Endocrinology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China

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Li-Yong Zhong Department of Endocrinology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China

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–pituitary–adrenal axis (HPA): basal cortisol level <3 μg/dL indicated impaired HPA function while the basal cortisol level >15 μg/dL excluded it. If basal cortisol levels ranged from 3 to 15 μg/dL, the circadian rhythm of adrenocorticotropic hormone and cortisol (08

Article Type:
Research Article
Collections:
Pituitary and Hypothalamus
DOI:
https://doi.org/10.1530/EC-23-0168
Volume/Issue:
Volume 12: Issue 8
Open access
I M A A van Roessel Department of Pediatric Neuro-oncology, Princess Máxima Center, Heidelberglaan, CS Utrecht, The Netherlands
Department of Pediatric Endocrinology, Wilhelmina Children’s Hospital, University Medical Center, Lundlaan, EA Utrecht, The Netherlands

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J E Gorter Department of Pediatric Neuro-oncology, Princess Máxima Center, Heidelberglaan, CS Utrecht, The Netherlands
Department of Pediatric Endocrinology, Wilhelmina Children’s Hospital, University Medical Center, Lundlaan, EA Utrecht, The Netherlands

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B Bakker Department of Pediatric Neuro-oncology, Princess Máxima Center, Heidelberglaan, CS Utrecht, The Netherlands
Department of Pediatric Endocrinology, Wilhelmina Children’s Hospital, University Medical Center, Lundlaan, EA Utrecht, The Netherlands

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M M van den Heuvel-Eibrink Princess Máxima Center, Heidelberglaan, CS Utrecht, The Netherlands
Wilhelmina Children’s Hospital, University Medical Center, Lundlaan, EA Utrecht, The Netherlands

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M H Lequin Department of Radiology, Princess Máxima Center, Heidelberglaan, CS Utrecht, The Netherlands
Department of Radiology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, The Netherlands

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J van der Lugt Department of Pediatric Neuro-oncology, Princess Máxima Center, Heidelberglaan, CS Utrecht, The Netherlands

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L Meijer Department of Pediatric Neuro-oncology, Princess Máxima Center, Heidelberglaan, CS Utrecht, The Netherlands

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A Y N Schouten-van Meeteren Department of Pediatric Neuro-oncology, Princess Máxima Center, Heidelberglaan, CS Utrecht, The Netherlands

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H M van Santen Department of Pediatric Neuro-oncology, Princess Máxima Center, Heidelberglaan, CS Utrecht, The Netherlands
Department of Pediatric Endocrinology, Wilhelmina Children’s Hospital, University Medical Center, Lundlaan, EA Utrecht, The Netherlands

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problem may be caused by decreased physical activity ( 8 , 39 ) or disturbance of the circadian rhythm due to visual impairment ( 7 ), or more likely, confounded by tumor location and hypothalamic involvement ( 40 ). Larger cohorts in future studies are

Article Type:
Research Article
Collections:
Pituitary and Hypothalamus
DOI:
https://doi.org/10.1530/EC-24-0224
Volume/Issue:
Volume 13: Issue 10
Open access