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https://www.readbyqxmd.com/read/28935386/diurnal-cortisol-interacts-with-stressful-events-to-prospectively-predict-depressive-symptoms-in-adolescent-girls
#1
Keke L Schuler, Camilo J Ruggero, Brandon L Goldstein, Greg Perlman, Daniel N Klein, Roman Kotov
PURPOSE: The aim of present study was to test the diathesis-stress model of depression using baseline cortisol, prospective assessment of depression symptoms, and stressful life events. METHODS: The sample consisted of 527 adolescent girls aged 13.5-15.5 years without major depressive disorder. At baseline, saliva samples were collected at waking, 30 minutes after waking, and 8 p.m. on 3 consecutive days. Diurnal cortisol was indexed by cortisol awakening response (CAR) and area under the curve with respect to ground (AUCg)...
September 18, 2017: Journal of Adolescent Health: Official Publication of the Society for Adolescent Medicine
https://www.readbyqxmd.com/read/28929995/endocrinological-and-subjective-stress-responses-in-children-with-depressive-anxiety-or-externalizing-disorders
#2
Stephanie Stadelmann, Sonia Jaeger, Tina Matuschek, Yoon Ju Bae, Kai von Klitzing, Annette Maria Klein, Mirko Döhnert
In this study, we used a stress test to investigate endocrinological and subjective stress responses of 8- to 14-year-old children with internalizing or externalizing disorders and healthy controls. The sample (N = 170) consisted of clinical and community children. Parents were given a diagnostic interview to diagnose their children's psychiatric condition. We measured saliva cortisol and subjectively experienced arousal in children before and after the Trier Social Stress Test for Children. Children also rated their performance immediately after the stress test, and 1 hr later they rated their positive and negative thoughts about this stressful event...
September 20, 2017: Development and Psychopathology
https://www.readbyqxmd.com/read/28928784/association-of-stress-salivary-cortisol-level-and-periodontitis-among-the-inmates-of-a-central-prison-in-kerala
#3
Angel Fenol, Susan Jebi, Sajitha Krishnan, Jayachandran Perayil, Rajesh Vyloppillil, Anuradha Bhaskar, Sai Megha Menon, Ashitha Mohandas
BACKGROUND: The aim of this cross-sectional study was to evaluate the association between stress, salivary cortisol, and periodontitis among the inmates of the central prison. MATERIALS AND METHODS: Seventy inmates were grouped depending on their pocket depth into Group A (pocket depth >4 mm and <6 mm), Group B (at least four sites with pocket depth ≥6 mm), and Group C (pocket depth ≤3 mm). The clinical parameters such as the oral hygiene index-simplified, gingival index, pocket depth, and the clinical attachment levels (CALs) were recorded...
July 2017: Dental Research Journal
https://www.readbyqxmd.com/read/28927320/stress-and-cortisol-responses-in-men-differences-according-to-facial-symmetry
#4
Javier I Borráz-León, Ana Lilia Cerda-Molina, Lilian Mayagoitia-Novales
Stress response is associated with increased activity in the hypothalamic-pituitary-adrenocortical axis. Chronic stress-induced elevation in cortisol may alter its own negative regulation with multiple long-term consequences for physical and psychological health. One of the most reliable physical traits associated with mental, apparent physical health, and competitiveness is the degree of facial fluctuating asymmetry. However, to our knowledge there are no studies regarding the relationship between cortisol levels, facial symmetry and male competitiveness, and how cortisol changes after a stressful test depending on these traits...
September 19, 2017: Stress: the International Journal on the Biology of Stress
https://www.readbyqxmd.com/read/28915296/investigating-the-role-of-salivary-cortisol-on-vocal-symptoms
#5
Sofia Holmqvist, Ada Johansson, Pekka Santtila, Lars Westberg, Bettina von der Pahlen, Susanna Simberg
Purpose: We investigated whether participants who reported more often occurring vocal symptoms showed higher salivary cortisol levels and if such possible associations were different for men and women. Method: The participants (N = 170; men n = 49, women n = 121) consisted of a population-based sample of Finnish twins born between 1961 and 1989. The participants submitted saliva samples for hormone analysis and completed a web questionnaire including questions regarding the occurrence of 6 vocal symptoms during the past 12 months...
September 15, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28914594/salivary-neuropeptides-stress-and-periodontitis
#6
Hady Haririan, Oleh Andrukhov, Michael Böttcher, Eleonore Pablik, Gernot Wimmer, Andreas Moritz, Xiaohui Rausch-Fan
BACKGROUND: Scientific evidence for psychological stress as a risk factor for periodontitis is fragmentary relying mostly on either questionnaire-based or biomarker studies. The aim of this study was to investigate Brain Derived Neurotrophic Factor, Substance P, Vasoactive Intestinal Peptide (VIP), Neuropeptide Y (NPY), Calcitonin Gene Related Peptide and Adrenomedullin as well as cortisol in saliva and serum in periodontal health and disease combined with different aspects of stress and possible associations with clinical parameters...
September 15, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28911851/cortisol-awakening-response-in-patients-with-bipolar-disorder-during-acute-episodes-and-partial-remission-a-pilot-study
#7
Ming-Chyi Huang, Shan-Chi Chuang, Mei-Chih Meg Tseng, Yi-Ling Chien, Shih-Cheng Liao, Hsi-Chung Chen, Po-Hsiu Kuo
This exploratory study examined the cortisol awakening response (CAR) in patients with bipolar disorder (BPD) at acute phases and partial remission of manic or depressive episodes. Saliva samples of twenty-seven BPD inpatients and 25 healthy controls were collected to determine the CAR patterns, and 12 patients were sampled again at partial remission. BPD patients exhibited a non-enhanced CAR pattern. Lower cortisol expression and a blunted CAR distinguished bipolar-depressive patients from the controls. The intra-individual follow-up for both patient groups revealed a non-significant improvement in CAR patterns, indicating a trend of a normalized CAR after partial remission for BPD patients...
September 1, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28903752/measurement-of-cortisol-in-saliva-a-comparison-of-measurement-error-within-and-between-international-academic-research-laboratories
#8
Jessica L Calvi, Frances R Chen, Victoria Brann Benson, Eleanor Brindle, Matt Bristow, Alpana De, Sonja Entringer, Helen Findlay, Christine Heim, Eric A Hodges, Heiko Klawitter, Sonia Lupien, Holly M Rus, Jitske Tiemensma, Silvanna Verlezza, Claire-Dominique Walker, Douglas A Granger
OBJECTIVE: Hundreds of scientific publications are produced annually that involve the measurement of cortisol in saliva. Intra- and inter-laboratory variation in salivary cortisol results has the potential to contribute to cross-study inconsistencies in findings, and the perception that salivary cortisol results are unreliable. This study rigorously estimates sources of measurement variability in the assay of salivary cortisol within and between established international academic-based laboratories that specialize in saliva analyses...
September 13, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28891388/men-respond-too-the-effects-of-a-social-evaluative-body-image-threat-on-shame-and-cortisol-in-university-men
#9
Larkin Lamarche, Brianne Ozimok, Kimberley L Gammage, Cameron Muir
Framed within social self-preservation theory, the present study investigated men's psychobiological responses to social-evaluative body image threats. University men ( n = 66) were randomly assigned to either a high or low social-evaluative body image threat condition. Participants provided saliva samples (to assess cortisol) and completed measures of state body shame prior to and following their condition, during which anthropometric and strength measures were assessed. Baseline corrected values indicated men in the high social-evaluative body image threat condition had higher body shame and cortisol than men in the low social-evaluative body image threat condition...
September 1, 2017: American Journal of Men's Health
https://www.readbyqxmd.com/read/28888992/associations-between-biological-markers-of-prenatal-stress-and-infant-negative-emotionality-are-specific-to-sex
#10
Elizabeth C Braithwaite, Susannah E Murphy, Paul G Ramchandani, Jonathan Hill
PURPOSE: Fetal programming is the idea that environmental stimuli can alter the development of the fetus, which may have a long-term effect on the child. We have recently reported that maternal prenatal cortisol predicts infant negative emotionality in a sex-dependent manner: high prenatal cortisol was associated with increased negative emotionality in females, and decreased negative emotionality in males. This study aims to test for this sex-specific effect in a different cohort, and investigate whether sex differences in fetal programming may be specific to glucocorticoid mechanisms by also examining a maternal salivary alpha-amylase (sAA) by sex interaction...
September 5, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28884366/weather-conditions-a-neglected-factor-in-human-salivary-cortisol-research
#11
Goran Milas, Daniela Šupe-Domić, Irena Drmić-Hofman, Lada Rumora, Irena Martinović Klarić
There is ample evidence that environmental stressors such as extreme weather conditions affect animal behavior and that this process is in part mediated through the elevated activity of the hypothalamic pituitary adrenal axis which results in an increase in cortisol secretion. This relationship has not been extensively researched in humans, and weather conditions have not been analyzed as a potential confounder in human studies of stress. Consequently, the goal of this paper was to assess the relationship between salivary cortisol and weather conditions in the course of everyday life and to test a possible moderating effect of two weather-related variables, the climate region and timing of exposure to outdoors conditions...
September 7, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28878979/oriented-molecularly-imprinted-cavities-with-dual-binding-sites-for-highly-sensitive-and-selective-recognition-of-cortisol
#12
Narito Suda, Hirobumi Sunayama, Yukiya Kitayama, Yuri Kamon, Toshifumi Takeuchi
Novel, molecularly imprinted polymers (MIPs) were developed for the highly sensitive and selective recognition of the stress marker cortisol. Oriented, homogeneous cavities with two binding sites for cortisol were fabricated by surface-initiated atom transfer radical polymerization, using a cortisol motif template molecule (TM1) which consists of a polymerizable moiety attached at the 3-carbonyl group of cortisol via an oxime linkage and an adamantane carboxylate moiety coupled with the 21-hydroxyl group. TM1 was orientationally immobilized on a β-cyclodextrin (β-CD)-grafted gold-coated sensor chip by inclusion of the adamantane moiety of TM1, followed by copolymerization of a hydrophilic comonomer, 2-methacryloyloxyethyl phosphorylcholine, with or without a cross-linker, N,N'-methylenebisacrylamide...
August 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/28872424/intensified-training-period-increases-salivary-iga-responses-but-does-not-affect-the-severity-of-upper-respiratory-tract-infection-symptoms-in-prepuberal-rhythmic-gymnasts
#13
Kizzy Antualpa, Marcelo Saldanha Aoki, Alexandre Moreira
This study examined the effect of a 4-week intensified training period (IT), followed by a 2-week tapering period (TP), on salivary immunoglobulin A (SIgA), salivary cortisol (CORT) and the severity of upper respiratory tract infection (URTI) symptoms in 23 rhythmic gymnasts (12.1±2.6 yrs; 143.9±13.7 cm; 37.2±9.4 kg). Saliva sampling was conducted at pre- and post-IT, and post-TP (analyzed using ELISA). The WURSS-21 questionnaire was completed daily to analyze the severity of URTI symptoms. The session-RPE was used to determine the internal training load and the acute:chronic workload ratio (ACW)...
September 5, 2017: Pediatric Exercise Science
https://www.readbyqxmd.com/read/28861683/neuroendocrine-response-to-school-load-in-prepubertal-children-focus-on-trait-anxiety
#14
D Kapsdorfer, N Hlavacova, D Vondrova, L Argalasova, L Sevcikova, Daniela Jezova
At the time of school-age, the most frequent stress stimuli are related to school environment and educational process. Anxiety may play a big role in coping with stressful situations associated with school load. To approach this issue, we performed a real-life study at school during the classwork. The sample consisted of 36 healthy children aged 10 years, which were divided to low and high trait anxiety group based on the median value of the anxiety score. The investigations were carried out in the classroom during a stress condition (final exams) and non-stress condition (without any exam)...
August 31, 2017: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/28860606/effect-of-cortisol-diurnal-rhythm-on-emotional-memory-in-healthy-young-adults
#15
Mitsue Nagamine, Hiroko Noguchi, Nobuaki Takahashi, Yoshiharu Kim, Yutaka Matsuoka
Few studies have investigated the relationship between cortisol diurnal rhythm and cognitive function in healthy young adults, especially for emotional memory. To address this deficiency, this study examined the effect of diurnal cortisol slope (DCS) and heart rate variability (HRV) on emotional memory. Participants included healthy volunteers (44 men and 23 women; mean age 20.60 yrs). Participants were shown emotionally arousing slides and were asked to return to the laboratory one week later where they were given a "surprise" memory test to examine their emotional memory retention...
August 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28859863/catechol-o-methyltransferase-gene-val158met-polymorphisms-and-anxious-symptoms-in-early-childhood-the-roles-of-hypothalamus-pituitary-adrenal-axis-reactivity-and-life-stress
#16
Haroon I Sheikh, Katie R Kryski, Yuliya Kotelnikova, Elizabeth P Hayden, Shiva M Singh
Individual differences in hypothalamus-pituitary-adrenal (HPA) axis reactivity to stress (measured via salivary cortisol) have been widely implicated in the etiology of internalizing problems such as depression and anxiety. Literature suggests that stress during early childhood is an important source of contextual risk although its effects may be moderated by polymorphisms of neurotransmitter genes. The COMT val158met is one such polymorphism, and literature documents its link to internalizing problems. To extend these findings, and to better understand the role of this polymorphism in developmental risk, we investigated links between the val158met polymorphism and early-age cortisol response...
August 30, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28851236/factors-that-influence-blood-pressure-in-3-to-5-year-old-children-a-pilot-study
#17
Marti Rice, Anne Turner-Henson, Fadi G Hage, Andres Azuero, Cynthia Joiner, Olivia Affuso, Deborah Ejem, Sara Laubinger Davis, Heather Soistmann
While incident elevations in blood pressure (BP) are apparent in preschool years, factors influencing BP in this population have received little attention. The purposes of this pilot study were to determine the feasibility of collecting data from preschoolers and their mothers and to determine effect sizes of relationships between BP and sex, race, birth status, body mass index (BMI), waist circumference (WC), geographic location, serum C-reactive protein (CRP), and salivary cortisol (morning, afternoon). A hypothesis-generating correlational design was used; 56 children, aged 3-5 years, were enrolled from six rural and urban Head Start programs in a southeastern state...
January 1, 2017: Biological Research for Nursing
https://www.readbyqxmd.com/read/28846122/single-osteopathic-manipulative-therapy-session-dampens-acute-autonomic-and-neuroendocrine-responses-to-mental-stress-in-healthy-male-participants
#18
Mauro Fornari, Luca Carnevali, Andrea Sgoifo
Context: The efficacy of osteopathic manipulative therapy (OMTh; manipulative care provided by foreign-trained osteopaths) is supported by observational data and patient feedback, but there is still a need for objective, quantitative biomarkers that allow measurement of the underlying mechanisms. No study exploring the protective potential of OMTh for mental stress has been published, to the authors' knowledge. Objectives: To explore the modulating effect of OMTh on autonomic neural regulation of the heart and verifiy its ability to influence the activity of the hypothalmic-pituitary-adrenocortical axis...
September 1, 2017: Journal of the American Osteopathic Association
https://www.readbyqxmd.com/read/28843169/the-low-single-nucleotide-polymorphism-heritability-of-plasma-and-saliva-cortisol-levels
#19
Alexander Neumann, Nese Direk, Andrew A Crawford, Saira Mirza, Hieab Adams, Jennifer Bolton, Caroline Hayward, David P Strachan, Erin K Payne, Jennifer A Smith, Yuri Milaneschi, Brenda Penninx, Jouke J Hottenga, Eco de Geus, Albertine J Oldehinkel, Peter J van der Most, Yolanda de Rijke, Brian R Walker, Henning Tiemeier
Cortisol is an important stress hormone affected by a variety of biological and environmental factors, such as the circadian rhythm, exercise and psychological stress. Cortisol is mostly measured using blood or saliva samples. A number of genetic variants have been found to contribute to cortisol levels with these methods. While the effects of several specific single genetic variants is known, the joint genome-wide contribution to cortisol levels is unclear. Our aim was to estimate the amount of cortisol variance explained by common single nucleotide polymorphisms, i...
August 12, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28840638/combining-walking-and-relaxation-for-stress-reduction-a-randomized-cross-over-trial-in-healthy-adults
#20
Franziska Matzer, Eva Nagele, Nikolaus Lerch, Christian Vajda, Christian Fazekas
Both physical activity and relaxation have stress-relieving potential. This study investigates their combined impact on the relaxation response while considering participants' initial stress level. In a randomized cross-over trial, 81 healthy adults completed 4 types of short-term interventions for stress reduction, each lasting for 1 hr: (1) physical activity (walking) combined with resting, (2) walking combined with balneotherapy, (3) combined resting and balneotherapy, and (4) resting only. Saliva cortisol, blood pressure, state of mood, and relaxation were measured preintervention and postintervention...
August 25, 2017: Stress and Health: Journal of the International Society for the Investigation of Stress
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