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https://www.readbyqxmd.com/read/28643132/integrated-inflammatory-stress-itis-model
#1
Elisabeth O Bangsgaard, Poul G Hjorth, Mette S Olufsen, Jesper Mehlsen, Johnny T Ottesen
During the last decade, there has been an increasing interest in the coupling between the acute inflammatory response and the Hypothalamic-Pituitary-Adrenal (HPA) axis. The inflammatory response is activated acutely by pathogen- or damage-related molecular patterns, whereas the HPA axis maintains a long-term level of the stress hormone cortisol which is also anti-inflammatory. A new integrated model of the interaction between these two subsystems of the inflammatory system is proposed and coined the integrated inflammatory stress (ITIS) model...
June 22, 2017: Bulletin of Mathematical Biology
https://www.readbyqxmd.com/read/28642644/role-of-different-hormones-in-the-pathogenesis-and-severity-of-adolescent-idiopathic-scoliosis
#2
Ricardo Teixeira E Silva, Renan Jose Rodrigues Fernandes, Allan Hiroshi DE Araújo Ono, Raphael Martus Marcon, Alexandre Fogaça Cristante, Tarcisio Eloy Pessoa DE Barros
OBJECTIVE: To evaluate the hormonal profile of patients with adolescent idiopathic scoliosis (AIS) and its relationship to the severity of the curvature and quality of life . METHOD: Patients with scoliosis (Cobb angle above 10°), of both genders, diagnosed after 10 years of age were included, excluding those who presented other condition that could lead to scoliosis. Serum levels of 25-hydroxyvitamin D (25-OHD), cortisol and gastrin were correlated with Cobb angle and quality of life, measured by the SRS-30 questionnaire ...
January 2017: Acta Ortopedica Brasileira
https://www.readbyqxmd.com/read/28642165/can-the-way-pigs-are-handled-alter-behavioural-and-physiological-measures-of-affective-state
#3
Ricard Carreras, Laura Arroyo, Eva Mainau, Daniel Valent, Anna Bassols, Antoni Dalmau, Luigi Faucitano, Xavier Manteca, Antonio Velarde
Research on human-animal relationship in animal production has been mainly focused on its effect on stress, productivity and meat quality. Only few studies have assessed its effects on the animals' affective state. In the present study, the influence of positive and negative handling (PH and NH, respectively) on affective state and fear as assessed by the cognitive bias test, the novel object test and the defence cascade test was studied in 56 pigs. Serum, saliva and hair were sampled during the study for the analysis of cortisol concentration...
June 19, 2017: Behavioural Processes
https://www.readbyqxmd.com/read/28641771/fatigue-in-multiple-sclerosis-is-it-related-to-cytokines-and-hypothalamic-pituitary-adrenal-axis
#4
Aylin Akcali, Fatma Zengin, Sefika Nur Aksoy, Orhan Zengin
BACKGROUND: Fatigue is a common symptom of Multiple Sclerosis (MS) that diminishes the quality of life of patients, but its exact mechanism remains poorly understood. There is not a generally adopted scale to determine MS fatigue. Studies that investigated physiopathology of fatigue symptom have shown dysregulation of hypothalamic-pituitaryadrenal (HPA) axis. In the current study, we aimed to compare the results obtained with two separate scales, namely the Fatigue Severity Scale (FSS) and the Neurological Fatigue Index-Multiple Sclerosis (NFI-MS), and assess the relationship between fatigue and serum IL-1β, TNF-α, IL-35, IL-2, IL-10, ACTH, cortisol, α-MSH, β-MSH, γ-MSH and CLIP (Corticotropinlike intermediate lobe peptide) in MS patients categorized as fatigued and non-fatigued on the basis of FSS scores...
July 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28641470/do-psychosocial-predictors-affect-the-following-days-cortisol-awakening-response-expanding-the-temporal-frame-with-which-to-explore-morning-cortisol
#5
Jeffrey Proulx, Daniel Klee, Barry S Oken
Much of the extant cortisol awakening response (CAR) literature posits that CAR is an anticipatory response to perceived demands later that same day. However, expanding and switching the temporal order of cortisol and psychosocial influences may motivate more flexible approaches to understanding the dynamic relationship between mind and body, including cumulative strain on the HPA axis. This study was novel because we used two models to explore the effects of one day's emotion regulation and cortisol levels on cortisol and CAR the following day in 100 mildly stressed adults aged 50 - 81 years old, which contrasts with the more common CAR-anticipatory-response design...
June 22, 2017: Stress: the International Journal on the Biology of Stress
https://www.readbyqxmd.com/read/28641158/determinants-of-cortisol-during-pregnancy-the-abcd-cohort
#6
Laura S Bleker, Tessa J Roseboom, Tanja G Vrijkotte, Rebecca M Reynolds, Susanne R de Rooij
BACKGROUND: Psychosocial stress during pregnancy has been proposed as a major contributor of glucocorticoid-mediated programming of the fetal hypothalamic-pituitary adrenal (HPA) axis, with later adverse health consequences. However, evidence linking maternal stress to maternal cortisol values during pregnancy is inconclusive. A possible explanation for this is that other maternal factors overshadow any potential effects of stress on cortisol levels. We studied a large cohort of pregnant women with extensive data on pregnancy characteristics to determine the respective contributions of biological, environmental and psychosocial stress factors to cortisol levels in pregnancy...
May 31, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28640711/effects-of-season-and-postmortem-changes-on-blood-analytes-in-pyrenean-chamois-rupicapra-pyrenaica
#7
Asta Tvarijonaviciute, Ignasi Marco, Rafaela Cuenca, Santiago Lavín, Josep Pastor
Our objectives were to evaluate the effects of the 1) season, and 2) postmortem changes on serum biochemistries related with metabolism in Pyrenean chamois (Rupicapra pyrenaica pyrenaica). Serum samples from 98 animals obtained from 2009 to 2012 were included. To investigate seasonal influences on blood parameters, the Pyrenean chamois were captured in drive-nets during the feed abundant (FA; n=32) and food deficient (FD; n=35) seasons. To evaluate the possible differences in biochemistry analytes when sampling live or dead animals, we used serum samples from 32 captured animals and 31 dead animals (obtained during controlled hunting) in the FA season...
June 22, 2017: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/28639924/cushing-syndrome-diagnostic-workup-and-imaging-features-with-clinical-and-pathologic-correlation
#8
Nicolaus A Wagner-Bartak, Ali Baiomy, Mouhammed Amir Habra, Shalini V Mukhi, Ajaykumar C Morani, Brinda R Korivi, Steven G Waguespack, Khaled M Elsayes
OBJECTIVE: Cushing syndrome (CS) is a constellation of clinical signs and symptoms resulting from chronic exposure to excess cortisol, either exogenous or endogenous. Exogenous CS is most commonly caused by administration of glucocorticoids. Endogenous CS is subdivided into two types: adrenocorticotropic hormone (ACTH) dependent and ACTH independent. CONCLUSION: Cushing disease, which is caused by a pituitary adenoma, is the most common cause of ACTH-dependent CS for which pituitary MRI can be diagnostic, with bilateral inferior petrosal sinus sampling useful in equivocal cases...
July 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28639804/reflective-functioning-physiological-reactivity-and-overcontrol-in-mothers-links-with-school-aged-children-s-reflective-functioning
#9
Jessica L Borelli, Kajung Hong, Hannah F Rasmussen, Patricia A Smiley
Theorists argue that parental reflective functioning (PRF) is activated in response to emotions, potentially supporting parenting sensitivity even when arousal is high. That is, when parents become emotionally reactive when interacting with their children, those who can use PRF to understand their children's mental states should be able to parent sensitively, which, in turn, should promote children's ability to understand their own mental states. We test this theory by examining whether, in the face of physiological reactivity, mothers' PRF inhibits one form of parenting insensitivity, overcontrol (OC), and whether this process in turn predicts children's RF...
June 22, 2017: Developmental Psychology
https://www.readbyqxmd.com/read/28639383/longitudinal-associations-between-low-morning-cortisol-in-infancy-and-anger-dysregulation-in-early-childhood-in-a-cps-referred-sample
#10
Allison Frost, Caitlin Jelinek, Kristin Bernard, Teresa Lind, Mary Dozier
Children who experience early adversity are at increased risk for developing psychopathology, and dysfunction of the hypothalamic pituitary adrenal (HPA) axis is a possible mechanism conferring this risk. This study sought to characterize the association between morning cortisol during different developmental periods and deficits in children's emotion regulation, a core feature of many psychological disorders. Morning cortisol was collected at two time points (i.e., during infancy, M = 13.0 months old, and during early childhood, M = 36...
June 21, 2017: Developmental Science
https://www.readbyqxmd.com/read/28638307/rectal-metyrapone-for-treatment-of-hypercortisolism-in-an-infant-with-mccune-albright-syndrome
#11
Kate Verbeeten, Stasia Hadjiyannakis, Melody Cameron, Jaime McDonald
Infantile Cushing syndrome is an infrequent yet potentially fatal manifestation of McCune-Albright syndrome, for which there are few safe treatments available. Ketoconazole is limited by potential hepatotoxicity in this population. Metyrapone may be an effective treatment, but it may not be tolerated when given orally. An infant with McCune-Albright syndrome presented with severe Cushing syndrome. Oral metyrapone resulted in feeding refusal, and ketoconazole caused an increase in liver enzymes; however, she was successfully treated with metyrapone given rectally...
May 2017: Journal of Pediatric Pharmacology and Therapeutics: JPPT: the Official Journal of PPAG
https://www.readbyqxmd.com/read/28637773/follow-up-of-a-randomized-trial-on-postdischarge-nutrition-in-preterm-born-children-at-age-8-y
#12
Charlotte A Ruys, Monique van de Lagemaat, Martijn Jj Finken, Harrie N Lafeber
Background: Early nutritional interventions may modulate health risks in preterm-born infants. Previously, we showed that preterm-born infants fed an isocaloric protein- and mineral-enriched postdischarge formula (PDF) from term age to 6-mo corrected age (CA) gained more lean mass than did those fed term formula (TF). Long-term follow-up of randomized nutritional trials is important to test the hypothesis that short-term positive effects on health are sustainable.Objective: The aim of this follow-up study was to compare body size, body composition, and metabolic health at age 8 y in preterm-born children who were randomly assigned to receive either PDF or TF from term age until 6-mo CA...
June 21, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28637406/socioeconomic-status-the-missing-link-between-obesity-and-diabetes-mellitus
#13
Alexei Volaco, Ana Maria Cavalcanti, Roberto Pecoits Filho, Dalton Bertolim Précoma
BACKGROUND: Currently, there is an epidemic expansion of the obesity rates worldwide. The increasing number of obese individuals associated with the aging of population leads to increasing number of individuals with type 2 diabetes mellitus (T2DM) at the same rate. The traditional factors that link obesity to T2DM are related to genetics, hypercaloric diet, sedentary lifestyle, and stress. Individuals from lower socioeconomic status (SES) have restricted autonomy and opportunities that could lead to more stress and consequently increase in stress hormones, such as cortisol, catecholamines, glucagon, and growth hormone, which might ultimately change fat deposition, increasing visceral fat and increasing the risk of T2DM mellitus development...
June 21, 2017: Current Diabetes Reviews
https://www.readbyqxmd.com/read/28637032/investigation-of-an-immediate-effect-of-bright-light-on-oxygen-consumption-heart-rate-cortisol-and-%C3%AE-amylase-in-seasonal-affective-disorder-subjects-and-healthy-controls
#14
Iana A Ivanova, Konstantin V Danilenko, Lyubomir I Aftanas
BACKGROUND: Body (fat) mass has been shown to decrease following bright light treatment for overweight women, irrespective of their seasonal (light) dependence. It is not known if this is due to an (immediate) increase of metabolism. METHODS: Ten women with seasonal affective disorder (SAD) and 10 non-SAD women matched by age, body mass index, and menopausal status participated in a laboratory study in the morning, twice within 1-5 days. During one session, bright light (4,300 lx) was presented for 30 min, and during the other session, red light (250 lx "placebo") was used...
June 22, 2017: Neuropsychobiology
https://www.readbyqxmd.com/read/28634659/effects-of-single-moor-baths-on-physiological-stress-response-and-psychological-state-a-pilot-study
#15
M Stier-Jarmer, D Frisch, C Oberhauser, G Immich, M Kirschneck, A Schuh
Moor mud applications in the form of packs and baths are widely used therapeutically as part of balneotherapy. They are commonly given as therapy for musculoskeletal disorders, with their thermo-physical effects being furthest studied. Moor baths are one of the key therapeutic elements in our recently developed and evaluated 3-week prevention program for subjects with high stress level and increased risk of developing a burnout syndrome. An embedded pilot study add-on to this core project was carried out to assess the relaxing effect of a single moor bath...
June 20, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28634082/cytokine-modulation-by-stress-hormones-and-antagonist-specific-hormonal-inhibition-in-rainbow-trout-oncorhynchus-mykiss-and-gilthead-sea-bream-sparus-aurata-head-kidney-primary-cell-culture
#16
Ali Reza Khansari, David Parra, Felipe E Reyes-López, Lluís Tort
A tight interaction between endocrine and immune systems takes place mainly due to the key role of head kidney in both hormone and cytokine secretion, particularly under stress situations in which the physiological response promotes the synthesis and release of stress hormones which may lead into immunomodulation as side effect. Although such interaction has been previously investigated, this study evaluated for the first time the effect of stress-associated hormones together with their receptor antagonists on the expression of cytokine genes in head kidney primary cell culture (HKPCC) of the freshwater rainbow trout (Oncorhynchus mykiss) and the seawater gilthead sea bream (Sparus aurata)...
June 17, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28631840/the-effect-of-infant-vocalization-in-alloparental-responsiveness-of-common-marmosets-callithrix-jacchus
#17
Maricele Nascimento Barbosa, Maria Teresa da Silva Mota, Marcela Nascimento Barbosa
Among mammals, alloparental care can be influenced by hormones as well as by previous experience and sensory stimuli from the infants, such as sight and sound, smell, and physical contact with the infant. To determine the responsiveness of common marmoset (Callithrix jacchus) nonreproductive females and males with and without previous experience in caretaking to infant sensory cues, we exposed 12 females and 12 males to vocalization recordings for 10 min under two conditions: (1) exposure to adult conspecific vocalization recordings, and (2) exposure to infant vocalization recordings...
June 20, 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/28631553/administration-of-progesterone-throughout-pregnancy-increases-maternal-steroids-without-adverse-effect-on-mature-oligodendrocyte-immunostaining-in-the-guinea-pig
#18
Julia C Shaw, Hannah K Palliser, Kerrin Palazzi, Jonathan J Hirst
Progesterone is administered to pregnant women at risk of premature labor, despite systematic reviews showing conflicting outcomes regarding its use, highlighting doubt over the effectiveness of the therapy. Progesterone can be rapidly metabolized into a number of steroids, but to date, there has been a lack of investigation into the fetal steroid profiles following administration and whether this impacts fetal neurodevelopment. The objective of this study was to determine the effect of progesterone treatment on allopregnanolone and cortisol levels in the fetus and on a marker of myelination in the fetal brain...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28631513/the-effect-of-labour-pain-in-caesarean-delivery-on-neonatal-and-maternal-outcomes-in-a-term-low-risk-obstetric-population
#19
Meryem Kurek Eken, Gülçin Şahin Ersoy, Sinem Çetinkaya, Çetin Çam, Ateş Karateke
Planned caesarean delivery (CD) frequency is increasing in many countries, and elective CD accounts for 50% of preventable causes of neonatal respiratory morbidity. The clearing of fluid in the lungs is important for the establishment of normal gas exchange with inspired air. A defect in this clearance can result in respiratory problems in neonate, but on the other hand patients waiting for the onset of spontaneous labour pain, the increase in emergency CD, together with severe mortality and morbidity are causes of concern and cause anxiety and distrust of obstetricians...
June 20, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28631158/rapid-and-reliable-steroid-hormone-profiling-in-tursiops-truncatus-blubber-using-liquid-chromatography-tandem-mass-spectrometry-lc-ms-ms
#20
Ashley S P Boggs, Tracey B Schock, Lori H Schwacke, Thomas M Galligan, Jeanine S Morey, Wayne E McFee, John R Kucklick
Monitoring of marine mammal steroid hormone status using matrices alternative to blood is desirable due to the ability to remotely collect samples, which minimizes stress to the animal. However, measurement techniques in alternative matrices such as blubber described to date are limited in the number and types of hormones measured. Therefore, a new method using bead homogenization to QuEChERS (Quick, Easy, Cheap, Effective, Rugged, and Safe) extraction, C18 post extraction cleanup and analysis by liquid chromatography tandem mass spectrometry (LC-MS/MS) was developed and applied to the measurement of hormone suites in bottlenose dolphin blubber...
June 19, 2017: Analytical and Bioanalytical Chemistry
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