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https://www.readbyqxmd.com/read/28433999/circadian-plasma-cortisol-measurements-reflect-severity-of-hypercortisolemia-in-children-with-different-etiologies-of-endogenous-cushing-syndrome
#1
Amit Tirosh, Maya B Lodish, Charalampos Lyssikatos, Elena Belyavskaya, Georgios Z Papadakis, Constantine A Stratakis
BACKGROUND: The utility of circadian cortisol variation in estimating the degree of hypercortisolemia in different forms of endogenous Cushing syndrome (CS) has not been evaluated in children yet. METHODS: A retrospective cohort study, including children who underwent surgery due to CS (n = 115), was divided into children with a pituitary adenoma (Cushing disease) (n = 88), primary adrenal CS (n = 21), or ectopic adrenocorticotropin- or corticotropin-releasing hormone (ACTH-/CRH)-secreting tumors (n = 6)...
April 21, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/28433801/moderate-within-person-variability-in-cortisol-is-related-to-executive-function-in-early-childhood
#2
Clancy Blair, Daniel J Berry
Lab-based experimental studies with humans and in animal models demonstrate that the relation between glucocorticoid (GC) levels and performance on measures of higher-order cognitive ability such as executive function (EF) is best described by an inverted U-shape curve. Moderate levels of GCs (cortisol/corticosterone) are associated with comparatively better performance relative to GC levels that are particularly high or low. Although findings from experimental studies are definitive and have high internal validity, the external validity of this association as an aspect of children's development is unknown...
March 31, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28433720/establishment-of-a-non-invasive-method-for-stress-evaluation-in-farmed-salmon-based-on-direct-fecal-corticoid-metabolites-measurement
#3
Yanran Cao, Ann-Kristin Tveten, Anne Stene
Fish welfare is an important issue for growth of the aquaculture industry. Stress responses represent animal's natural reactions to challenging conditions and could be used as a welfare indicator. Cortisol level is relevant to fish welfare condition, and is a readily measured component of the primary stress response system. Generally, cortisol is measured by blood sampling. However, fish blood cortisol level could be instantly influenced by handling-stress at sampling. Fecal corticoid metabolites (FCM) are a mixture of several different metabolites with a wide range of polarities...
April 19, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28433517/causal-attribution-and-psychobiological-response-to-competition-in-young-men
#4
A Salvador, R Costa, V Hidalgo, E González-Bono
A contribution to a special issue on Hormones and Human Competition. Psychoneuroendocrine effects of competition have been widely accepted as a clear example of the relationship between androgens and aggressive/dominant behavior in humans. However, results about the effects of competitive outcomes are quite heterogeneous, suggesting that personal and contextual factors play a moderating role in this relationship. To further explore these dimensions, we aimed to examine (i) the effect of competition and its outcome on the psychobiological response to a laboratory competition in young men, and (ii) the moderating role of some cognitive dimensions such as causal attributions...
April 19, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/28432961/diurnal-patterns-and-relationships-between-physiological-and-self-reported-stress-in-patients-with-epilepsy-and-psychogenic-non-epileptic-seizures
#5
Barbora Novakova, Peter R Harris, Markus Reuber
PURPOSE: Patients with epilepsy and those with psychogenic non-epileptic seizures (PNES) experience high levels of stress and stress is one of the most frequently self-identified seizure precipitants. Although stress is a multifaceted phenomenon, few studies have systematically examined its different components in patients with seizures. The aim of this study was therefore to describe diurnal patterns of psychological and physiological measures of stress in patients with epilepsy and patients with PNES, and explore their relationships to each other in order to improve our understanding of the mechanisms underlying stress and seizure occurrence in these patients...
April 19, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28432781/cognitive-functioning-and-emotion-processing-in-breast-cancer-survivors-and-controls-an-erp-pilot-study
#6
Janine Wirkner, Mathias Weymar, Andreas Löw, Carmen Hamm, Anne-Marie Struck, Clemens Kirschbaum, Alfons O Hamm
Diagnosis and treatment of breast cancer is a very emotionally aversive and stressful life event, which can lead to impaired cognitive functioning and mental health. Breast cancer survivors responding with repressive emotion regulation strategies often show less adaptive coping and adverse outcomes. We investigated cognitive functioning and neural correlates of emotion processing using ERPs. Self-report measures of depression, anxiety, and fatigue, as well as hair cortisol as an index of chronic stress, were assessed...
April 22, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28432647/the-gender-attention-observational-study-gender-and-hormonal-status-differences-in-the-incidence-of-adverse-events-during-cyclosporine-treatment-in-psoriatic-patients
#7
Delia Colombo, Giuseppe Banfi, Nicoletta Cassano, Alessandra Graziottin, Gino Antonio Vena, Giovanni Gualberto Fiori, Emanuela Zagni, Luca Stingeni, Sergio Chimenti, Enzo Berardesca, Giuseppe Micali, Giuseppe Albertini, Clara De Simone, Gilberto Bellia
INTRODUCTION: Female sex has been shown to be a risk factor for the development of adverse drug reactions; however, this has not been studied for cyclosporine (CsA). The aim of this study was to investigate, in Italian dermatological practice, the influence of gender and menopause and related hormones on the incidence of adverse events (AEs) during CsA treatment in psoriatic patients. METHODS: Multicenter, prospective, observational study conducted from May 2011 to June 2013...
April 21, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28432376/mdma-does-not-alter-responses-to-the-trier-social-stress-test-in-humans
#8
Anya K Bershad, Melissa A Miller, Harriet de Wit
RATIONALE: ±3,4-Methylenedioxymethamphetamine (MDMA, "ecstasy") is a stimulant-psychedelic drug with unique social effects. It may dampen reactivity to negative social stimuli such as social threat and rejection. Perhaps because of these effects, MDMA has shown promise as a treatment for post-traumatic stress disorder (PTSD). However, the effect of single doses of MDMA on responses to an acute psychosocial stressor has not been tested. OBJECTIVES: In this study, we sought to test the effects of MDMA on responses to stress in healthy adults using a public speaking task...
April 21, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28432185/exogenous-cushing-s-syndrome-due-to-a-chinese-herbalist-s-prescription-of-ointment-containing-dexamethasone
#9
Viola Franke, Winnie Francien Scholtens, Ines Alexandra von Rosenstiel, Marie Jose Walenkamp
Eczema in children is a chronic disabling condition. The impact of this condition on the lives of families is often underestimated by conventional physicians. As a consequence parents may investigate complementary treatment options. Close monitoring by a paediatrician is essential, considering that a variety of adverse effects can occur during the use of complementary treatment. We present a 5-year-old girl with eczema. She visited a Chinese herbalist who prescribed an ointment. The parents noticed that the eczema resolved fast, itching decreased and she was finally sleeping well...
April 20, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28431810/in-vivo-ameliorative-effect-of-cerium-oxide-nanoparticles-in-isoproterenol-induced-cardiac-toxicity
#10
Shereen S El Shaer, Taher A Salaheldin, Nashwa M Saied, Sally M Abdelazim
BACKGROUND: Cerium oxide nanoparticles have gained much more attention especially in the field of nanomedicine. This work represents cerium oxide nanoparticles as a new prophylactic model for heart failure progression. OBJECTIVE: To investigate the potential protective effect of cerium oxide nanoparticles on Isoproterenol (ISO)-induced cardiac toxicity in rats. METHODS: Cerium oxide nanoparticles (5±1nm) were synthesized by reverse micelle method and characterized using High Resolution Transmission Electron Microscopy, X-Ray Diffraction and particle size analyzer...
April 18, 2017: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
https://www.readbyqxmd.com/read/28430912/a-birth-story-cortisol-stimulated-autophagy-in-parturition
#11
Andy V Babwah, Moshmi Bhattacharya
No abstract text is available yet for this article.
April 1, 2017: Endocrinology
https://www.readbyqxmd.com/read/28430429/potential-glucocorticoid-and-mineralocorticoid-effects-of-nine-organophosphate-flame-retardants
#12
Quan Zhang, Jinghua Wang, Jianqiang Zhu, Jing Liu, Meirong Zhao
Organophosphate flame retardants (OPFRs), as alternatives of polybrominated diphenyl ethers (PBDEs), have been frequently detected in the environment and biota, and could pose adverse effects on organisms. However, information on the potential endocrine disruption of OPFRs, especially their effects on steroid hormone receptors, such as glucocorticoid and mineralocorticoid receptors (GR/MR), is limited. In this study, the dual-luciferase reporter gene assay via GR/MR and a H295R steroidogenesis assay were employed to evaluate the endocrine disruption of nine OPFRs...
April 21, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28429223/sex-related-characteristics-of-systemic-hormonal-homeostasis-in-rats-with-sarcoma-c-45-cells-transplanted-to-the-lung
#13
M B Kozlova, E M Frantsiyants, L K Trepitaki, I V Kaplieva, Yu A Pogorelova, G Z Sergostyants, T G Airapetova, A V Chubaryan
Sex-related systemic status of pituitary and thyroid hormones and cortisol was studied in rats on days 7 and 14 after transplantation of sarcoma C-45 cells into the lung. Females demonstrated slower development of the tumor process (49.0±10.7 vs. 32.0±3.9 days in males). Injection of tumor cells causes similar disorders in the levels of ACTH, thyrotropic hormone, and prolactin in males and females and opposite disorders in the thyroid and glucocorticoid homeostasis associated in males (in contrast to females) with reduction of cortisol level (by 1...
April 21, 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28428002/performance-during-competition-and-competition-outcome-in-relation-to-testosterone-and-cortisol-among-women
#14
Andrea Henry, Jason R Sattizahn, Greg J Norman, Sian L Beilock, Dario Maestripieri
A contribution to a special issue on Hormones and Human Competition. This study investigated the relation between competition, testosterone (T), and cortisol (C) in women. One hundred and twenty female participants competed against a male confederate in a computerized laboratory task. The task was preprogrammed so that half the women won and half of the women lost the competition. T and C concentrations were measured in saliva samples collected at four time points before and after the competition. Accuracy and reaction time during the competition were recorded...
April 17, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/28425739/sleep-duration-partially-accounts-for-race-differences-in-diurnal-cortisol-dynamics
#15
Laurel M Peterson, Karissa G Miller, Patricia M Wong, Barbara P Anderson, Thomas W Kamarck, Karen A Matthews, Clemens Kirschbaum, Stephen B Manuck
OBJECTIVE: Emerging research demonstrates race differences in diurnal cortisol slope, an indicator of hypothalamic-pituitary-adrenocortical (HPA)-axis functioning associated with morbidity and mortality, with African Americans showing flatter diurnal slopes than their White counterparts. Sleep characteristics are associated with both race and with HPA-axis functioning. The present report examines whether sleep duration may account for race differences in cortisol dynamics. METHOD: Participants were 424 employed African American and White adults (mean age = 42...
May 2017: Health Psychology: Official Journal of the Division of Health Psychology, American Psychological Association
https://www.readbyqxmd.com/read/28423876/effects-of-confinement-on-physiological-and-psychological-response-and-expression-of-il-6-and-bdnf-mrna-in-primiparous-and-multiparous-weaning-sows
#16
Mingyue Zhang, Xiang Li, Jianhong Li, Hanqing Sun, Xiaohui Zhang, Jun Bao
Objective: The present study aimed to investigate whether the long-lasting, recurrent restricting of sows leads to the physiological and psychological reaction of discomfort. Methods: Sows (Large White) that had experienced restricting for about 0.5 or 3 years and age-matched sows kept in a group housing system (loose sows) were compared. PLR parameters were measured at the weaning stage. Immediately after slaughter, blood samples were taken to measure serum cortisol levels, and the brain was dissected, gene expression in the hippocampus, frontal cortex and hypothalamus was analyzed...
March 25, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28423014/initial-systemic-inflammatory-state-perturbs-exercise-training-adaptations-in-elite-taekwondo-athletes
#17
Chung-Yu Chen, Yi-Hung Liao, Chun-Chung Chou, Yu-Chi Sung, Shiow-Chwen Tsai
PURPOSE: This study examined ten-week TKD-specific training effects on aerobic capacity, body composition, hormone responses and hematological parameters in elite TKD athletes with varied initial inflammatory states. METHODS: Twenty-two elite college TKD athletes were divided into two groups according to their initial neutrophils-to-lymphocytes ratio (NLR) values: Low NLR (N = 11, 9M/2F, age: 21.6 ± 1.0 yrs; NLR: 1.3 ± 0.2) and High NLR (N = 11, 8M/3F, age: 22...
2017: PloS One
https://www.readbyqxmd.com/read/28422994/the-sheep-grimace-scale-as-an-indicator-of-post-operative-distress-and-pain-in-laboratory-sheep
#18
C Häger, S Biernot, M Buettner, S Glage, L M Keubler, N Held, E M Bleich, K Otto, C W Müller, S Decker, S R Talbot, A Bleich
The EU Directive 2010/63/EU changed the requirements regarding the use of laboratory animals and raised important issues related to assessing the severity of all procedures undertaken on laboratory animals. However, quantifiable parameters to assess severity are rare, and improved assessment strategies need to be developed. Hence, a Sheep Grimace Scale (SGS) was herein established by observing and interpreting sheep facial expressions as a consequence of pain and distress following unilateral tibia osteotomy...
2017: PloS One
https://www.readbyqxmd.com/read/28422946/pediatric-cushing-disease-disparities-in-disease-severity-and-outcomes-in-the-hispanic-and-african-american-populations
#19
Alexandra Gkourogianni, Ninet Sinaii, Sharon H Jackson, Alexander S Karageorgiadis, Charalampos Lyssikatos, Elena Belyavskaya, Margaret F Keil, Mihail Zilbermint, Prashant Chittiboina, Constantine A Stratakis, Maya B Lodish
BACKGROUND: Little is known about the contribution of racial and socioeconomic disparities to severity and outcomes for children with Cushing disease (CD). METHODS: 129 children with CD, 45 Hispanic/Latino or African American (HI/AA) and 84 non-Hispanic White (non-HW), are included. A 10-point index for rating severity (CD-severity) incorporated degree of hypercortisolemia, glucose tolerance, hypertension, anthropomorphic measurements, disease duration, and tumor characteristics...
April 19, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28422753/steroid-metabolome-analysis-reveals-prevalent-glucocorticoid-excess-in-primary-aldosteronism
#20
Wiebke Arlt, Katharina Lang, Alice J Sitch, Anna S Dietz, Yara Rhayem, Irina Bancos, Annette Feuchtinger, Vasileios Chortis, Lorna C Gilligan, Philippe Ludwig, Anna Riester, Evelyn Asbach, Beverly A Hughes, Donna M O'Neil, Martin Bidlingmaier, Jeremy W Tomlinson, Zaki K Hassan-Smith, D Aled Rees, Christian Adolf, Stefanie Hahner, Marcus Quinkler, Tanja Dekkers, Jaap Deinum, Michael Biehl, Brian G Keevil, Cedric H L Shackleton, Jonathan J Deeks, Axel K Walch, Felix Beuschlein, Martin Reincke
BACKGROUND: Adrenal aldosterone excess is the most common cause of secondary hypertension and is associated with increased cardiovascular morbidity. However, adverse metabolic risk in primary aldosteronism extends beyond hypertension, with increased rates of insulin resistance, type 2 diabetes, and osteoporosis, which cannot be easily explained by aldosterone excess. METHODS: We performed mass spectrometry-based analysis of a 24-hour urine steroid metabolome in 174 newly diagnosed patients with primary aldosteronism (103 unilateral adenomas, 71 bilateral adrenal hyperplasias) in comparison to 162 healthy controls, 56 patients with endocrine inactive adrenal adenoma, 104 patients with mild subclinical, and 47 with clinically overt adrenal cortisol excess...
April 20, 2017: JCI Insight
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