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Cortisol

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https://www.readbyqxmd.com/read/29341104/hair-cortisol-is-elevated-in-erythropoietic-protoporphyria-patients-and-correlates-with-body-mass-index-and-quality-of-life
#1
I Suijker, M Savas, E F C van Rossum, J G Langendonk
No abstract text is available yet for this article.
January 17, 2018: British Journal of Dermatology
https://www.readbyqxmd.com/read/29340776/ectopic-cushing-s-syndrome-secondary-to-olfactory-neuroblastoma
#2
Kenny Yu, Federico Roncaroli, Tara Kearney, David Ewins, Deepa Beeharry, Thomas Naylor, David Ray, Rajiv Bhalla, Kanna Gnanalingham
We present the case of a patient with Cushing's syndrome secondary to ectopic ACTH secretion. A MR of the head showed a left-sided nasal mass extending down from the cribriform plate. The patient underwent endoscopic resection with nearly complete removal of the mass. Histological examination showed an ACTH-secreting olfactory neuroblastoma (ONB). The patient's cortisol levels returned to normal range after surgery and have remained normal for over a year. ONB is a rare cause for ectopic ACTH secretion. This case highlights the diagnostic and management difficulties in patients with ectopic ACTH secretion, and provides a brief review of ONB...
January 17, 2018: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29340167/subcutaneous-glucagon-infusion-and-continuous-glucose-monitoring-enable-effective-management-of-hypoglycemia-in-a-patient-with-igf-2-producing-hemangiopericytoma
#3
Eric D Buras, Emily Weatherup, Jennifer Wyckoff
Background: Ectopic insulin-like growth factor (IGF)-2 production is a rare complication of an array of epithelial and mesenchymal tumors, and can clinically manifest as life-threatening hypoglycemia. Case presentation: A 49-year-old woman with 13-year history of metastatic hemangiopericytoma, previously treated with multiple rounds of chemotherapy and palliative radiation, presented to the emergency department after a hypoglycemic seizure. On arrival, glucose was 18 mg/dL (1...
2018: Clinical Diabetes and Endocrinology
https://www.readbyqxmd.com/read/29339329/pituitary-size-alteration-and-adverse-effects-of-radiation-therapy-performed-in-9-dogs-with-pituitary-dependent-hypercortisolism
#4
Harumi Sawada, Akihiro Mori, Peter Lee, Shiho Sugihara, Hitomi Oda, Toshinori Sako
The purpose of this study was to determine the therapeutic and/or adverse effects of radiation therapy (RT) against pituitary tumors in dogs with pituitary-dependent hypercortisolism, as monitored by frequent post-RT detailed MRI examinations, clinical signs, and changes in hormone concentrations. Nine dogs with an adrenocorticotropic hormone (ACTH)-secreting pituitary mass diagnosed by magnetic resonance imaging (MRI) underwent RT for 4weeks (total of 48Gy in 4-Gy fractions). Pituitary height/brain area (P/B) value, clinical signs, basal plasma ACTH concentrations, serum cortisol concentrations (pre- and post-ACTH stimulation test) and adverse effects of RT were evaluated before and post-RT...
January 10, 2018: Research in Veterinary Science
https://www.readbyqxmd.com/read/29338844/sfe-sfedp-adrenal-insufficiency-french-consensus-introduction-and-handbook
#5
Yves Reznik, Pascal Barat, Jérôme Bertherat, Claire Bouvattier, Frédéric Castinetti, Olivier Chabre, Philippe Chanson, Christine Cortet, Brigitte Delemer, Bernard Goichot, Damien Gruson, Laurence Guignat, Emmanuelle Proust-Lemoine, Marie-Laure Raffin Sanson, Rachel Reynaud, Dinane Samara Boustani, Dominique Simon, Antoine Tabarin, Delphine Zenaty
The French endocrinology society (SFE) and the French pediatric endocrinology society (DFSDP) have drawn up recommendations for the management of primary and secondary adrenal insufficiency in the adult and child, based on an analysis of the literature by 19 experts in 6 work-groups. A diagnosis of adrenal insufficiency should be suspected in the presence of a number of non-specific symptoms except hyperpigmentation which is observed in primary adrenal insufficiency. Diagnosis rely on plasma cortisol and ACTH measurement at 8am and/or the cortisol increase after synacthen administration...
January 12, 2018: Annales D'endocrinologie
https://www.readbyqxmd.com/read/29336364/mechanism-of-chronic-stress-induced-reduced-atherosclerotic-medial-area-and-increased-plaque-instability-in-rabbit-models-of-chronic-stress
#6
Ze-Mou Yu, Xiao-Tao Deng, Ruo-Mei Qi, Lu-Yan Xiao, Chong-Qing Yang, Tao Gong
BACKGROUND: Chronic stress contributes to increased risks of atherosclerotic diseases including heart disease, stroke, and transient ischemic attack. However, its underline mechanisms are poorly understood. This study aimed to elucidate the mechanism via which chronic stress exerts its effect on atherosclerosis (AS). METHODS: Fifty male New Zealand white rabbits were used. Aortic balloon-injury model was applied. Both social stress and physical stress methods were adopted to establish chronic stress models...
January 20, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29336269/design-synthesis-and-biological-evaluation-of-new-azole-derivatives-as-potent-aromatase-inhibitors-with-potential-effects-against-breast-cancer
#7
Farzin Hadizadeh, Fatemeh Kalalinia, Mohammad Jouya, Alireza Khorsand Komachal, Aboutourabzadeh Seyed Mohammad, Gholamreza Karimi, Javad Behravan, Khalil Abnous, Leila Etemad, Hossein Kamali
PURPOSE: Some aromatase inhibitors are FDA-approved agents as first-line therapy in the treatment of endocrine-responsive breast cancer. In this study, we aimed to develop new azole derivatives with higher specificity and potency. METHODS: New aromatase inhibitors were designed by Molecular Operating Environment (MOE) software and synthesized in a one-step SN2 reaction. These compounds were characterized by melting point, 1H- and 13C-NMR, elemental analysis and mass spectra...
January 15, 2018: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/29335818/dorsal-shaving-affects-concentrations-of-faecal-cortisol-metabolites-in-lactating-golden-hamsters
#8
Sarah A Ohrnberger, Katharina Brinkmann, Rupert Palme, Teresa G Valencak
Breeding of golden hamsters is classically performed at thermal conditions ranging from 20 to 24 °C. However, growing evidence suggests that lactating females suffer from heat stress. We hypothesised that shaving females dorsally to maximise heat dissipation may reduce stress during reproduction. We thus compared faecal cortisol metabolites (FCM) from shaved golden hamster mothers with those from unshaved controls. We observed significantly lower FCM levels in the shaved mothers (F1,22 = 8.69, p = 0...
January 15, 2018: Die Naturwissenschaften
https://www.readbyqxmd.com/read/29335365/characterization-in-humans-of-in-vitro-leucocyte-maximal-telomerase-activity-capacity-and-association-with-stress
#9
Karin de Punder, Christine Heim, Ingo Przesdzing, Pathik D Wadhwa, Sonja Entringer
The goal of this study was to develop and validate a measure of maximal telomerase activity capacity (mTAC) for use in human studies of telomere biology, and to determine its association with measures of stress and stress responsivity. The study was conducted in a population of 28 healthy young women and men who were assessed serially across two separate days, at multiple time points, and in response to a standardized laboratory stressor. Venous blood was collected at each of these multiple assessments, and an in vitro mitogen challenge (phytohaemagglutinin supplemented with interleukin-2) was used to stimulate telomerase activity in leucocytes...
March 5, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29334626/parenting-predicts-strange-situation-cortisol-reactivity-among-children-adopted-internationally
#10
Carrie E DePasquale, K Lee Raby, Julie Hoye, Mary Dozier
The functioning of the hypothalamic pituitary adrenal (HPA) axis can be altered by adverse early experiences. Recent studies indicate that children who were adopted internationally after experiencing early institutional rearing and unstable caregiving exhibit blunted HPA reactivity to stressful situations. The present study examined whether caregiving experiences post-adoption further modulate children's HPA responses to stress. Parental sensitivity during naturalistic parent-child play interactions was assessed for 66 children (M age = 17...
January 4, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29334283/effects-of-an-exercise-program-on-the-physiological-biological-and-psychological-profiles-in-patients-with-mood-disorders-a-pilot-study
#11
Mario Leone, Daniel Lalande, Linda Thériault, Émilia Kalinova, Audrey Fortin
OBJECTIVE: The objective of this study is to assess the impact of an 8-week physical training program on physiological, biological and psychological profiles in individual with mood disorders. METHODS: Seven patients participated in the study. Patients were trained twice weekly (75 min/session) for 8 weeks. The training program aimed to improve muscular and cardiorespiratory reserves as well as functional capacity. Bioassays were also measured (lipid profile, blood glucose and cortisol)...
January 15, 2018: International Journal of Psychiatry in Clinical Practice
https://www.readbyqxmd.com/read/29332629/psychobiological-stress-in-vital-exhaustion-findings-from-the-men-stress-40-study
#12
Emilou Noser, Susanne Fischer, Jessica Ruppen, Ulrike Ehlert
OBJECTIVE: Despite the increased risk for cardiovascular morbidity associated with vital exhaustion (VE), the underlying pathophysiological mechanisms remain unclear. Allostatic load may constitute the missing link between VE and cardiovascular diseases. The aim of the present study was to investigate whether men with different degrees of VE would differ in terms of allostatic load, chronic stress, and social support. METHODS: The Men Stress 40+ study sample consisted of N=121 apparently healthy men aged 40 to 75years...
February 2018: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/29332272/comparative-study-of-selenium-and-selenium-nanoparticles-with-reference-to-acute-toxicity-biochemical-attributes-and-histopathological-response-in-fish
#13
Neeraj Kumar, Kishore Kumar Krishnani, Narendra Pratap Singh
Recent studies have demonstrated that selenium (Se) and selenium nanoparticles (Se-NPs) exhibited toxicity at a higher concentration. The lethal concentration of Se and Se-NPs was estimated as 5.29 and 3.97 mg/L at 96 h in Pangasius hypophthalmus. However, the effect of different definite concentration of Se (4.5, 5.0, 5.5, and 6.0 mg/L) and Se-NPs (2.5, 3.0, 3.5, and 4.0 mg/L) was decided for acute experiment. Selenium and Se-NPs alter the biochemical attributes such as anti-oxidative status [catalase (CAT), superoxide dismutase (SOD), and glutathione-S-transferase (GST) activities], neurotransmitter enzyme, cellular metabolic enzymes, stress marker, and histopathology of P...
January 13, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29332161/the-computed-tomography-adrenal-wash-out-analysis-properly-classifies-cortisol-secreting-adrenocortical-adenomas
#14
Anne-Laure Humbert, Guillaume Lecoanet, Sophie Moog, Fehd Bouderraoui, Laurent Bresler, Jean-Michel Vignaud, Elodie Chevalier, Laurent Brunaud, Marc Klein, Thomas Cuny
PURPOSE: Adrenocortical lesions are characterized through imaging, hormonal and histopathological analysis. Our aim was to compare the radiological features of adrenocortical lesions with their cortisol-secreting status and histopathological Weiss score. METHODS: Seventy five patients operated between 2004 and 2016 in the University Hospital of Nancy for either adrenocortical carcinomas (ACC) or adrenocortical adenomas (ACA) were enrolled in this study. We collected cortisol parameters, Computed Tomography (CT) scans (unenhanced density, wash-out (WO) analysis) and 18F-Fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) datas...
January 13, 2018: Endocrine
https://www.readbyqxmd.com/read/29331929/sex-related-differential-response-to-dexamethasone-in-endocrine-and-immune-measures-in-depressed-in-patients-and-healthy-controls
#15
Carina Rampp, Andreas Eichelkraut, Johanna Best, Darina Czamara, Monika Rex-Haffner, Manfred Uhr, Elisabeth B Binder, Andreas Menke
Although sex differences in major depression have been reported repeatedly, the underlying mechanisms are still disputed. The rapidly changing gonadal steroid concentrations of the postpartum period or during menopause have been shown to be associated with depressive symptoms and to modulate the hypothalamic-pituitary-adrenal (HPA)-axis, which is implicated in depression. The sample comprised of 128 depressed in-patients (36.7% women) and 166 healthy controls (30.0% women). Blood was collected at baseline (at 6pm) and then 3 h as well as 21 h after ingestion of 1...
January 3, 2018: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/29331802/hair-cortisol-and-work-stress-importance-of-workload-and-stress-model-jdcs-or-eri
#16
Leander van der Meij, Nikkie Gubbels, Jaap Schaveling, Mercedes Almela, Mark van Vugt
Hair cortisol concentrations (HCCs) are a potential physiological indicator of work related stress. However, studies that tested the relationship between HCC and self-reported stress in a work setting show mixed findings. This may be because few studies used worker samples that experience prolonged stress. Therefore, we compared a high workload sample (n = 81) and a normal workload sample (n = 91) and studied whether HCC was related to: (i) high job demands, low control, and low social support (JDCS model), and (ii) high effort, low reward, and high overcommitment (ERI model)...
December 26, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29331801/stressful-life-events-relationship-stressors-and-cortisol-reactivity-the-moderating-role-of-suppression
#17
Lydia G Roos, Sara M Levens, Jeanette M Bennett
Stressful life events (SLEs) are exceedingly common and have been associated with a range of psychological disorders, perhaps through dysregulation in the hypothalamic-pituitary-adrenal (HPA) axis. The use of certain emotion regulation strategies in response to stress, such as expressive suppression and cognitive reappraisal, has additionally been linked to heightened HPA axis reactivity to acute stress. However, it is unclear how emotion regulation may interact with SLEs to affect HPA axis reactivity, particularly concerning relationship stressors (RSs)...
January 2, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29331681/endogenous-cortisol-in-keratinized-matrices-systematic-determination-of-baseline-cortisol-levels-in-hair-and-the-influence-of-sex-age-and-hair-color
#18
T M Binz, L Rietschel, F Streit, M Hofmann, J Gehrke, M Herdener, B B Quednow, N G Martin, M Rietschel, T Kraemer, M R Baumgartner
The measurement of hair cortisol is increasingly used to measure long-term cumulative cortisol levels and investigate its role as an important stress mediator. In this study a comparative statistical analysis of five independent studies (all analyzed in our laboratory) was performed to investigate baseline ranges of cortisol values in hair and evaluate potential influences of sex, age and hair color. Cortisol concentrations in hair of 554 subjects were measured and a comparative statistical analysis was performed...
December 24, 2017: Forensic Science International
https://www.readbyqxmd.com/read/29331098/blunted-cortisol-reactivity-and-risky-driving-in-young-offenders-a-pilot-study
#19
Sophie Couture, Marie Claude Ouimet, Katarina Dedovic, Catherine Laurier, Pierrich Plusquellec, Thomas G Brown
Adolescent risky driving is a significant burden on public health. Young offenders (i.e. under custody and supervision of the criminal justice system) may be particularly vulnerable, but research is scant. Previous work indicated that blunted cortisol reactivity to stress is a marker of risk-taking predisposition, including risky driving. In this study, we hypothesized that young offenders display higher levels of risky driving than a non-offender comparison group, and that cortisol reactivity contributes to the variance in risky driving independent of other associated characteristics (i...
January 13, 2018: International Journal of Adolescent Medicine and Health
https://www.readbyqxmd.com/read/29331049/prenatal-maternal-psychosocial-stress-and-offspring-s-asthma-and-allergic-disease-a-systematic-review-and-meta-analysis
#20
Catherine Flanigan, Aziz Sheikh, Audrey DunnGalvin, Bronwyn K Brew, Catarina Almqvist, Bright I Nwaru
BACKGROUND: Prenatal maternal stress may influence offspring's atopic risk through sustained cortisol secretion resulting from activation of the hypothalamic-pituitary-axis (HPA), leading to Th2-biased cell differentiation in the fetus. We undertook a systematic review and meta-analysis investigating the relationship between prenatal maternal psychosocial stress and risk of asthma and allergy in the offspring. METHODS: We searched 11 electronic databases from 1960 to 2016, search the grey literature, and contacted experts in the field...
January 13, 2018: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
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