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University Clinic of Medicine, Cantonal Hospital Baselland, Liestal, Switzerland
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Introduction The hypothalamopituitary–adrenal (HPA) axis tightly regulates cortisol secretion ( 1 ). Cortisol is secreted in a circadian rhythm with a brisk increase upon awakening and a nadir around midnight ( 1 ). Food is an external factor
Division of Endocrinology, Division of Nephrology, Endocrine Research Laboratory, Department of Medicine
Division of Endocrinology, Division of Nephrology, Endocrine Research Laboratory, Department of Medicine
Division of Endocrinology, Division of Nephrology, Endocrine Research Laboratory, Department of Medicine
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Introduction The measurement of salivary cortisol has emerged as a first-line test in the evaluation of the hypothalamic–pituitary–adrenal (HPA) axis in humans and, in particular, for the diagnosis of endogenous hypercortisolism (Cushing
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role of both overt and non-overt hypercortisolism in the pathogenesis of cardiovascular disease (CVD). However, much less is known about the CV effects of cortisol concentrations within the physiological range. While some studies have shown a link
Department of Endocrinology, Department of Public Health, Department of Cancer Research and Molecular Medicine, Department of Medical Biochemistry, St Olavs Hospital, Trondheim University Hospital, P O Box 3250 Sluppen, N-7006 Trondheim, Norway
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Department of Endocrinology, Department of Public Health, Department of Cancer Research and Molecular Medicine, Department of Medical Biochemistry, St Olavs Hospital, Trondheim University Hospital, P O Box 3250 Sluppen, N-7006 Trondheim, Norway
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Department of Endocrinology, Department of Public Health, Department of Cancer Research and Molecular Medicine, Department of Medical Biochemistry, St Olavs Hospital, Trondheim University Hospital, P O Box 3250 Sluppen, N-7006 Trondheim, Norway
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Introduction The 1 mg overnight dexamethasone suppression test (DST) is a common initial test for endogenous Cushing's syndrome (1) . The principle of the test is that dexamethasone will suppress ACTH and cortisol secretion in healthy individuals
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Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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, prolactin and cortisol ( 15 , 16 , 17 ). The stimulation of the HPA axis by ghrelin is exerted predominantly at the hypothalamic level ( 18 ) through vasopressin stimulation ( 19 ) and indirect activation of CRH neurons ( 20 , 21 ). Direct effects of
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that it may be useful as an immuno-neuroendocrine probe of adrenal function ( 5 ). Nonetheless, virtually all studies were uncontrolled and performed in patients with advanced cancer, in whom cortisol responses differ from those of healthy men ( 5 ). In
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thereafter, while free cortisol is only elevated upon PICU admission and normal thereafter ( 4 ). Plasma POMC has not been quantified in critically ill children. In addition, the dynamics of plasma ACTH and free cortisol before PICU admission are unknown. In
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inferences. Nonetheless, multivariate analysis also is unreliable in small cohorts ( 19 , 20 ). In addition, given the large concentration difference across the 24-h cycle and the marked pulsatility of cortisol, studies using a single sample, or a few blood
Department of Research and Development, Region Kronoberg, Växjö, Sweden
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Department of Endocrinology, Skane University Hospital, Lund, Sweden
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with T1D was 35%, almost twice as high as in the non-diabetic population ( 2 ). Several factors might contribute to the development of hypertension, such as increased cortisol secretion ( 4 , 5 , 6 , 7 , 8 , 9 ), obesity ( 8 , 9 ), physical
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Departments of, Clinical Biochemistry, Medicine, Department of Endocrinology and Internal Medicine, King's College Hospital, London SE5 9RS, UK
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patients treated with mitotane (9) . Patients with Cushing's syndrome receiving mitotane have shown decrease in the adrenal cortisol secretion rate over time but a faster clinical benefit, suggesting that cortisol bioavailability is also diminished (10