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https://www.readbyqxmd.com/read/29929086/positive-and-negative-social-support-and-hpa-axis-hyperactivity-evidence-from-glucocorticoids-in-human-hair
#1
Eleonora Iob, Clemens Kirschbaum, Andrew Steptoe
INTRODUCTION: While positive social support is associated with lower prevalence of disease and better treatment outcomes, negative social relationships can instead have unfavourable consequences for several physical and mental health conditions. However, the specific mechanisms by which this nexus might operate remain poorly understood. Hypothalamic-pituitary-adrenal (HPA) axis hyperactivity owing to psychosocial stress has been proposed as a potential pathway underlying the link between social support and health...
June 12, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29895282/psychopathological-sequelae-of-female-genital-mutilation-and-their-neuroendocrinological-associations
#2
Anke Köbach, Martina Ruf-Leuschner, Thomas Elbert
BACKGROUND: Anecdotal evidence suggests the frequently traumatic nature of female genital mutilation (FGM). At present, systematic research on the psychological sequelae of this tradition has remained limited. The study provides preliminary, high-quality psychodiagnostic data on potential psychopathological consequences of FGM, with a focus on posttraumatic stress disorder (PTSD), shutdown dissociation and other stress-related variables. METHODS: We investigated a convenience sample of N = 167 women, supported by the women's affairs headquarters in Jijiga (capital of the Ethiopian Somali Region) and a local Ethiopian non-governmental organization...
June 13, 2018: BMC Psychiatry
https://www.readbyqxmd.com/read/29892044/polygenic-differential-susceptibility-to-cumulative-stress-exposure-and-childhood-obesity
#3
Ying Sun, Jiao Fang, Yuhui Wan, Jingjing Hu, Yuanyuan Xu, Fangbiao Tao
OBJECTIVE: To examine whether polygenic susceptibility for body mass index (BMI) interacts with cumulative stress exposure, potentially exacerbating and buffering the effects of chronic stress, to predict obesity during childhood. METHODS: Data were analyzed from an established prospective puberty cohort in Anhui province, China. A total of 1000 children (421 boys and 579 girls, mean (standard deviation) age 8.97 (0.86) years) who had complete DNA genotyping, hair cortisol concentration and BMI were eligible for the study...
June 11, 2018: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29885438/exploring-the-multidimensional-complex-systems-structure-of-the-stress-response-and-its-relation-to-health-and-sleep-outcomes
#4
Veronika Engert, Bethany E Kok, Lara M Puhlmann, Tobias Stalder, Clemens Kirschbaum, Filia Apostolakou, Chrysanthi Papanastasopoulou, Ioannis Papassotiriou, Panagiota Pervanidou, George P Chrousos, Tania Singer
To gain a comprehensive understanding of the multidimensional complex systems structure of the stress response and related health outcomes, we utilized network analysis in a sample of 328 healthy participants in two steps. In a first step, we focused on associations between measures of basal hypothalamic-pituitary-adrenal axis functioning and subjective stress perceptions. In a second step, we linked these diverse stress-related measures to biomarkers and self-repots of health and sleep. Overall, measures clustered depending on their method of assessment, with high correlations between different saliva-based indices of diurnal cortisol regulation, between cortisol and cortisone levels in hair, between different biological health indicators (systemic inflammatory activity and body mass index), between state (experience sampling) and trait (questionnaire-based) self-reports of stress and wellbeing, and between different self-reports of sleep...
June 6, 2018: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29862532/quantification-of-hair-cortisol-concentration-in-common-marmosets-callithrix-jacchus-and-tufted-capuchins-cebus-apella
#5
Kimberley A Phillips, Alyson N Tukan, Anna D Rigodanzo, Ryan T Reusch, Kathleen M Brasky, Jerrold S Meyer
Quantifying cortisol concentration in hair is a non-invasive biomarker of long-term hypothalamic-pituitary-adrenal (HPA) activation, and thus can provide important information on laboratory animal health. Marmosets (Callithrix jacchus) and capuchins (Cebus apella) are New World primates increasingly used in biomedical and neuroscience research, yet published hair cortisol concentrations for these species are limited. Review of the existing published hair cortisol values from marmosets reveals highly discrepant values and the use of variable techniques for hair collection, processing, and cortisol extraction...
June 4, 2018: American Journal of Primatology
https://www.readbyqxmd.com/read/29859342/maternal-distress-and-hair-cortisol-in-pregnancy-among-women-with-elevated-adverse-childhood-experiences
#6
Katherine Bowers, Lili Ding, Samantha Gregory, Kimberly Yolton, Hong Ji, Jerrold Meyer, Robert T Ammerman, Judith Van Ginkel, Alonzo Folger
Life-course exposure to stress is associated with a wide-range of health outcomes. Early childhood adversity may affect an individual's future response to stress. This is of particular concern during pregnancy as early maternal stress may impact the stress response in pregnancy, altering fetal exposure. We therefore hypothesized maternal childhood adversity may interact with distress experienced in pregnancy affecting maternal cortisol accumulation in pregnancy. Analyses were conducted within the PRegnancy and Infant Development (PRIDE) Study, a cohort of mother-infant pairs participating in Every Child Succeeds, a home visiting program in Cincinnati, Ohio...
May 18, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29807037/hair-and-salivary-cortisol-in-a-cohort-of-women-with-chronic-fatigue-syndrome
#7
Megan E Roerink, Sean H P P Roerink, Nadine Skoluda, Marieke E van der Schaaf, Ad R M M Hermus, Jos W M van der Meer, Hans Knoop, Urs M Nater
Hypocortisolism has been found in CFS patients in blood, urine, and saliva. It is unclear if hypocortisolism can also be demonstrated using long-term cortisol measurements, such as cortisol in hair. In addition, the interaction between the HPA axis and the immune system, both expected to play an important role in CFS, is unclear. The objective of the current study was to compare hair and salivary cortisol concentrations in a cohort of female CFS patients to those in healthy controls, and to test the effect of an interleukin-1 receptor antagonist (anakinra) on the HPA axis...
May 29, 2018: Hormones and Behavior
https://www.readbyqxmd.com/read/29775916/cortisol-trajectory-melancholia-and-response-to-electroconvulsive-therapy
#8
Brian J Mickey, Yarden Ginsburg, Adam F Sitzmann, Clara Grayhack, Srijan Sen, Clemens Kirschbaum, Daniel F Maixner, James L Abelson
While biomarkers have been used to define pathophysiological types and to optimize treatment in many areas of medicine, in psychiatry such biomarkers remain elusive. Based on previously described abnormalities of hypothalamic-pituitary-adrenal (HPA) axis function in severe forms of depression, we hypothesized that the temporal trajectory of basal cortisol levels would vary among individuals with depression due to heterogeneity in pathophysiology, and that cortisol trajectories that reflect elevated or increasing HPA activity would predict better response to electroconvulsive therapy (ECT)...
May 15, 2018: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/29775873/psychosocial-stress-and-inflammation-driving-tryptophan-breakdown-in-children-and-adolescents-a-cross-sectional-analysis-of-two-cohorts
#9
Nathalie Michels, Gerard Clarke, Loreto Olavarria-Ramirez, Sonia Gómez-Martínez, Ligia Esperanza Díaz, Ascensión Marcos, Kurt Widhalm, Livia A Carvalho
BACKGROUND: Tryptophan breakdown is an important mechanism in several diseases e.g. inflammation and stress-induced inflammation have been associated with the development of depression via enhanced tryptophan breakdown. Depression is a major public health problem which commonly starts during adolescence, thus identifying underlying mechanisms during early life is crucial in prevention. The aim of this work was to verify whether independent and interacting associations of psychosocial stress and inflammation on tryptophan breakdown already exist in children and adolescents as a vulnerable age group...
May 15, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29770837/systematic-investigations-of-endogenous-cortisol-and-cortisone-in-nails-by-lc-ms-ms-and-correlation-to-hair
#10
Tina M Binz, Franziska Gaehler, Clarissa D Voegel, Mathias Hofmann, Markus R Baumgartner, Thomas Kraemer
Hair samples are increasingly used for measuring the long-term stress mediator cortisol. However, hair is not always available and nails (finger or toe), as a keratinized matrix, may be an alternative to hair. In order to measure cortisol and cortisone in the nail matrix, an LC-MS/MS method has been developed and validated using 13 C3 -labeled surrogate analytes. Both analytes were measured in ESI negative mode as formic acid adducts. Different sample preparation techniques were assessed, and single-step extraction in methanol was established for determination of cortisone and cortisol in the nail matrix...
May 17, 2018: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29764539/effect-of-chronic-social-stress-on-prenatal-transfer-of-antitetanus-immunity-in-captive-breeding-rhesus-macaques-macaca-mulatta
#11
Rachelle L Stammen, Joyce K Cohen, Tracy L Meeker, Maria M Crane, Rama R Amara, Sakeenah L Hicks, Jerrold S Meyer, Kelly F Ethun
Because tetanus can cause significant morbidity and mortality in NHP, colonywide vaccination with tetanus toxoid is recommendedfor outdoor breeding colonies of rhesus macaques, with primary immunizations commonly given to infants at 6 mo of age followed by booster vaccines every 10 y. Maternal antibodies are thought to offer protective immunity to infants younger than 6 mo. However, historical colony data from the Yerkes National Primate Research Center show a higher incidence of tetanus among infants (≤ 6 mo old) born to subordinate dams...
May 15, 2018: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/29751249/stressful-life-events-predict-one-year-change-of-leukocyte-composition-in-peripheral-blood
#12
Marlene Penz, Clemens Kirschbaum, Angelika Buske-Kirschbaum, Magdalena K Wekenborg, Robert Miller
A plethora of cross-sectional studies suggest that psychological stress resulting from experiencing stressful life events (SLE) can result in an altered immune response. Potential maladaptive immune changes may outlast the event and affect the organism long after stress cessation. As a consequence, an increased vulnerability for immune-mediated pathologies (e.g. arthritis, diabetes) may develop over the life span. The objective of the present study was to monitor the longitudinal kinetics of peripheral white blood cells (WBCs; neutrophils, lymphocytes, and monocytes) in response to SLE...
May 4, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29738960/verbal-and-physical-client-aggression-a-longitudinal-analysis-of-professional-caregivers-psychophysiological-stress-response-and-burnout
#13
Nina Kind, Anne Eckert, Célia Steinlin, Jörg M Fegert, Marc Schmid
OBJECTIVE: We investigated the impact of verbal and physical client aggression on risk of developing high hair cortisol concentration (HCC) as an indicator of chronic stress exposure and burnout in a Swiss population of professional caregivers working in youth residential care. METHOD: Participants (n = 121; 62.0% women) reported on client aggression and burnout symptoms and provided hair samples at four annual sampling points. HCC was determined in the first 1...
May 2, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29674169/intergenerational-gene-%C3%A3-environment-interaction-of-fkbp5-and-childhood-maltreatment-on-hair-steroids
#14
Alexandra M Koenig, Laura Ramo-Fernández, Christina Boeck, Maria Umlauft, Markus Pauly, Elisabeth B Binder, Clemens Kirschbaum, Harald Gündel, Alexander Karabatsiakis, Iris-Tatjana Kolassa
BACKGROUND: The inconsistency in results of cortisol alterations after childhood maltreatment (CM) might arise due to the fact that no study so far considered the effects of environmental factors such as maltreatment load and genetic factors such as the influence of FKBP5 genotype on stress hormone regulation. This study analyzed the interaction between the single nucleotide polymorphism rs1360780 within the FKBP5 gene and the severity of maternal CM experiences (maltreatment load) on hair steroid levels of mother-infant-dyads...
June 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29673814/assessment-of-hair-cortisol-as-a-potential-biomarker-for-possible-adrenal-suppression-due-to-inhaled-corticosteroid-use-in-children-with-asthma-a-retrospective-observational-study
#15
Laura Smy, Kaitlyn Shaw, Ursula Amstutz, Michelle Staub, Shahnaz Chaudhry, Anne Smith, Bruce Carleton, Gideon Koren
BACKGROUND: Inhaled corticosteroids (ICS) are the recommended long-term control therapy for asthma in children. However, concern exists regarding potential adrenal suppression with chronic ICS use. Our pilot study reported that hair cortisol in children was 50% lower during ICS therapy than prior to therapy, suggestive of adrenal suppression. OBJECTIVE: To evaluate hair cortisol concentration (HCC) as a potential biomarker for possible adrenal suppression from ICS use in children with asthma...
June 2018: Clinical Biochemistry
https://www.readbyqxmd.com/read/29663153/stress-and-obesity-are-there-more-susceptible-individuals
#16
REVIEW
Eline S van der Valk, Mesut Savas, Elisabeth F C van Rossum
PURPOSE OF REVIEW: Stress has long been suspected to be interrelated to (abdominal) obesity. However, interindividual differences in this complex relationship exist. We suggest that the extent of glucocorticoid action partly explains these interindividual differences. We provide latest insights with respect to multiple types of stressors. RECENT FINDINGS: Increased long-term cortisol levels, as measured in scalp hair, are strongly related to abdominal obesity and to specific mental disorders...
June 2018: Current Obesity Reports
https://www.readbyqxmd.com/read/29658496/-gestastres-cohort-study-protocol-on-the-effects-of-stress-during-pregnancy-by-measuring-the-cortisol-in-women-s-and-newborn-s-hair
#17
Rafael A Caparros-Gonzalez, Inmaculada García-García, Juan Carlos Mariñas-Lirola, Maria Isabel Peralta-Ramírez
The aim was to present the longitudinal study protocol on the effects of perinatal stress from conception to one year of age. Stress is associated to psychopathological, cardiovascular and inmunological diseases. During pregnancy, the activation of the Hipotalamic-Pituitary-Adrenal results in an increased release of cortisol. Stress during pregnancy is related to maternal, fetal and infant negative outcomes that can last a lifetime. Nevertheless, contradictory findings have been reported. In this longitudinal study maternal stress is assessed from a sample of 807 pregnant women through hair cortisol levels and psychological question- naires during the three trimesters of pregnancy...
April 16, 2018: Revista Española de Salud Pública
https://www.readbyqxmd.com/read/29627713/chronic-stress-hair-cortisol-and-depression-a-prospective-and-longitudinal-study-of-medical-internship
#18
Stefanie E Mayer, Nestor L Lopez-Duran, Srijan Sen, James L Abelson
BACKGROUND: Stress plays a causal role in depression onset, perhaps via alteration of hypothalamic-pituitary-adrenal (HPA) axis functioning. HPA axis hyperactivity has been reported in depression, though inconsistently, and the nature of this relationship remains unclear, partly because cortisol measurement over time has been challenging. Development of hair cortisol assessment, a method that captures cortisol over prolonged periods of time, creates new possibilities. In this study, hair cortisol was incorporated into a prospective and longitudinal study of medical internship, stress and symptoms of depression...
June 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29626707/longitudinal-association-between-psychosocial-stress-and-retinal-microvasculature-in-children-and-adolescents
#19
Carola J C Van Aart, Tim S Nawrot, Isabelle Sioen, Patrick De Boever, Mahmoud Zaqout, Stefaan De Henauw, Nathalie Michels
BACKGROUND: Retinal microvessels provides a window to assess the microcirculation of heart and brain, and might reflect cardio- or cerebrovascular disease risk. Limited information exist on the relation between psychosocial stress and the microcirculation, even though psychosocial stress might trigger vascular diseases. This study investigates whether childhood psychosocial stress is a predictor of retinal microvasculature. METHODS: We followed-up 182 Belgian children, aged 5...
June 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29614892/an-evaluation-of-distal-hair-cortisol-concentrations-collected-at-delivery
#20
Olivia R Orta, Shelley S Tworoger, Kathryn L Terry, Brent A Coull, Bizu Gelaye, Clemens Kirschbaum, Sixto E Sanchez, Michelle A Williams
Distal hair segments collected at delivery may allow for the assessment of maternal cortisol secretion in early pregnancy, an important time window for fetal development. Therefore, an investigation of the validity of distal hair cortisol concentrations is warranted. We examined the concordance between proximal and distal hair cortisol concentrations (HCC), both representing the first trimester of pregnancy. The study population was comprised of a random sample of 97 women participating in the Pregnancy Outcomes Maternal and Infant Study, a prospective cohort study of pregnant women attending prenatal clinics in Lima, Peru...
April 4, 2018: Stress: the International Journal on the Biology of Stress
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