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Psychoneuroendocrinology

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https://www.readbyqxmd.com/read/28528143/intergenerational-accumulation-of-impairments-in-maternal-behavior-following-postnatal-social-stress
#1
B C Nephew, L M Carini, S Sallah, C Cotino, R A S Alyamani, F Pittet, S Bradburn, C Murgatroyd
Early adversity such as depressed maternal care can have long-term physiological and behavioral effects on offspring and future generations. Exposure to chronic social stress (CSS), an ethologically model of postpartum depression and anxiety, during lactation impairs maternal care and exerts similar effects on the F1 dam offspring of the stressed F0 dams. These changes associate with increased corticosterone and neuroendocrine alterations. CSS F2 offspring further display decreased social behavior as juveniles and adults and decreased basal levels of corticosterone...
May 13, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28511045/stigma-and-diurnal-cortisol-among-transitioning-transgender-men
#2
L Zachary DuBois, Sally Powers, Bethany G Everett, Robert-Paul Juster
This study assessed diurnal cortisol functioning in relation to stigma-based transition-specific stressors experienced by transgender men during their transition from female to male. Sixty-five healthy transgender men undergoing testosterone therapy participated in in-person interviews through which transition-specific stressors were identified. Interviews were coded according to participant reported (1) Transitioning-identity stress; (2) Coming Out stress; (3) Gender-specific Public Bathroom stress; and (4) levels of general Perceived Stress...
May 8, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28501551/contribution-of-stress-and-sex-hormones-to-memory-encoding
#3
Christian J Merz
Distinct stages of the menstrual cycle and the intake of oral contraceptives (OC) affect sex hormone levels, stress responses, and memory processes critically involved in the pathogenesis of mental disorders. To characterize the interaction of sex and stress hormones on memory encoding, 30 men, 30 women in the early follicular phase of the menstrual cycle (FO), 30 women in the luteal phase (LU), and 30 OC women were exposed to either a stress (socially evaluated cold-pressor test) or a control condition prior to memory encoding and immediate recall of neutral, positive, and negative words...
May 6, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28511047/birth-weight-and-postnatal-growth-in-preterm-born-children-are-associated-with-cortisol-in-early-infancy-but-not-at-age-8-years
#4
Charlotte A Ruys, Bibian van der Voorn, Harrie N Lafeber, Monique van de Lagemaat, Joost Rotteveel, Martijn J J Finken
BACKGROUND: Preterm birth has been associated with altered hypothalamic-pituitary-adrenal (HPA-) axis activity as well as cardiometabolic diseases and neurodevelopmental impairments later in life. We assessed cortisol from term age to age 8 y in children born preterm, to explore the development of HPA-axis activity in association with intrauterine and early-postnatal growth until 6 mo. corrected age. METHODS: In 152 children born at a gestational age ≤32 wks. and/or with a birth weight ≤1,500g, random serum cortisol was assessed at term age (n=150), 3 mo...
May 4, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28511048/defensive-freezing-links-hypothalamic-pituitary-adrenal-axis-activity-and-internalizing-symptoms-in-humans
#5
Hannah C M Niermann, Bernd Figner, Anna Tyborowska, Jacobien M van Peer, Antonius H N Cillessen, Karin Roelofs
The Hypothalamic-Pituitary-Adrenal (HPA)-axis plays an important role in the expression of defensive freezing. Adaptive freezing reactivity, characterized by an immediate increase in acute stress and timely termination upon threat offset or need to act, is essential for adequate stress coping. Blunted HPA-axis activity in animals is associated with blunted freezing reactivity and internalizing symptoms. Despite their potential relevance, it remains unknown whether these mechanisms apply to humans and human psychopathology...
May 3, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28511046/effects-of-stress-on-women-s-preference-for-male-facial-masculinity-and-their-endocrine-correlates
#6
Beate Ditzen, Simona Palm-Fischbacher, Lara Gossweiler, Livia Stucky, Ulrike Ehlert
Women's preferences for masculinity in men's faces seem to vary across the menstrual cycle and are assumed to be strongest around ovulation. A number of hormones have been proposed to underlie these subtle cyclic shifts. Furthermore, mating preferences are context-dependent, and stress has been found to alter mate choice, both in animals and humans. Currently, the effects of stress on women's preference for masculinity remain unknown. To examine the hormonal basis and the impact of stress on facial masculinity preference, we tested for within-subject changes in 52 healthy young women who underwent the Trier Social Stress Test (TSST) and the placebo-TSST in randomized order in the late follicular and mid-luteal phases of their menstrual cycle...
May 3, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28500893/glucagon-receptor-knockout-mice-are-protected-against-acute-olanzapine-induced-hyperglycemia
#7
Laura N Castellani, Willem T Peppler, Charles D Sutton, Jamie Whitfield, Maureen J Charron, David C Wright
OBJECTIVES: To determine if glucagon is involved in mediating the increase in blood glucose levels caused by the second-generation antipsychotic drug olanzapine. MATERIALS AND METHODS: Whole body glucagon receptor deficient mice (Gcgr(-/-)) or WT littermate controls were injected with olanzapine (5mg/kg BW IP) and changes in blood glucose measured over the following 120min. Separate cohorts of mice were treated with olanzapine and changes in pyruvate tolerance, insulin tolerance and whole body substrate oxidation were determined...
May 3, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28521179/biological-predictors-of-insulin-resistance-associated-with-posttraumatic-stress-disorder-in-young-military-veterans
#8
Esther M Blessing, Victor Reus, Synthia H Mellon, Owen M Wolkowitz, Janine D Flory, Linda Bierer, Daniel Lindqvist, Firdaus Dhabhar, Meng Li, Meng Qian, Duna Abu-Amara, Isaac Galatzer-Levy, Rachel Yehuda, Charles R Marmar
Posttraumatic stress disorder (PTSD) is associated with increased risk for Type 2 diabetes and cardiovascular disease (cardiometabolic disease), warranting research into targeted prevention strategies. In the present case-control study of 160 young (mean age 32.7 years) male military veterans, we aimed to assess whether PTSD status predicted increased markers of cardiometabolic risk in otherwise healthy individuals, and further, to explore biological pathways between PTSD and these increased markers of cardiometabolic risk...
May 1, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28486177/depressive-symptom-profiles-cardio-metabolic-risk-and-inflammation-results-from-the-midus-study
#9
Diana A Chirinos, Kyle W Murdock, Angie S LeRoy, Christopher Fagundes
BACKGROUND: This study aimed to (1) provide a comprehensive characterization of depressive symptoms profiles, and (2) examine the cross-sectional association between depressive symptom profiles and cardio-metabolic outcomes, including metabolic syndrome and obesity, while controlling for sociodemographic variables, health behaviors and inflammation. METHODS: Our sample was comprised of 1085 participants (55.80% female) enrolled in the MIDUS-II biomarker study. Latent profile analysis (LPA) was used to derive depressive symptom profiles using subscales of the Mood and Anxiety Symptom Questionnaire (MASQ) and the Center for Epidemiologic Studies Depression Scale (CES-D) subscales as well as Pittsburgh Sleep Quality Index (PSQI) global score...
April 29, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28482312/poor-habitual-sleep-efficiency-is-associated-with-increased-cardiovascular-and-cortisol-stress-reactivity-in-men
#10
Stijn A A Massar, Jean C J Liu, Nabilah B Mohammad, Michael W L Chee
Inadequate sleep and psychological stress can both elevate physiological stress markers, such as cortisol. Prior studies that have applied induced psychosocial stress after a night of experimental sleep deprivation have found these effects to be compounded. We examined whether the relationship between stress reactivity and poor sleep also extends to habitual sleep patterns. Fifty-nine adult male participants were recruited. Habitual sleep patterns were monitored with actigraphy for a week. Participants subsequently underwent the Trier Social Stress Test...
April 28, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28501550/type-2-diabetes-alters-hippocampal-gamma-oscillations-a-potential-mechanism-behind-impaired-cognition
#11
Grazyna Lietzau, Vladimer Darsalia, Hiranya Pintana, Claes-Göran Östenson, Thomas Nyström, André Fisahn, Cesare Patrone
Type 2 diabetes (T2D) has been associated with cognitive decline, dementia and Alzheimer's disease (AD). Remarkably, the pathophysiological mechanisms behind this are still mostly unknown. Cognition and memory formation are associated with gamma oscillations in hippocampal neuronal networks and fast-spiking, parvalbumin-expressing interneurons (PV+ IN) play a key role in these processes.
April 27, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28482311/tryptophan-breakdown-and-cognition-in-bipolar-disorder
#12
Martina Platzer, Nina Dalkner, Frederike T Fellendorf, Armin Birner, Susanne A Bengesser, Robert Queissner, Nora Kainzbauer, René Pilz, Simone Herzog-Eberhard, Carlo Hamm, Christa Hörmanseder, Alexander Maget, Philipp Rauch, Harald Mangge, Dietmar Fuchs, Sieglinde Zelzer, Gregor Schütze, Natalie Moll, Markus J Schwarz, Rodrigo B Mansur, Roger S McIntyre, Eva Z Reininghaus
INTRODUCTION: It has been demonstrated that bipolar disorder (BD) is often accompanied by cognitive deficits across all subdomains including verbal memory, attention and executive functioning. Cognitive deficits are observed both during episodes of mania or depression, as well as during the euthymic phase. It has been proposed that chronic immune-mediated inflammation in the central nervous system results in alterations in neural structures that subserve cognitive function. Kynurenine is an intermediate in the inflammatory cascade and can be peripherally measured to proxy inflammatory activity...
April 27, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28482208/pre-treatment-cortisol-awakening-response-predicts-symptom-reduction-in-posttraumatic-stress-disorder-after-treatment
#13
A E Rapcencu, R Gorter, M Kennis, S J H van Rooij, E Geuze
Dysfunction of the HPA-axis has frequently been found in the aftermath of trauma exposure with or without PTSD. Decreasing HPA-axis reactivity to different stress cues has been reported during PTSD treatment. The cortisol awakening response (CARi) is a well-validated, standardized measure of HPA-axis reactivity which can be easily acquired in the clinical setting. Whether CARi changes over time in traumatized individuals are specific to PTSD treatment is unknown. Furthermore, a possible role for the baseline CARi in predicting symptom reduction after treatment in PTSD has not been examined before...
April 27, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28477447/metabolic-adverse-effects-of-olanzapine-on-cognitive-dysfunction-a-possible-relationship-between-bdnf-and-tnf-alpha
#14
Chen Zhang, Xinyu Fang, Peifen Yao, Yemeng Mao, Jun Cai, Yi Zhang, Meijuan Chen, Weixing Fan, Wei Tang, Lisheng Song
OBJECTIVE: There is accumulating evidence indicating that long-term treatment with second-generation antipsychotics (SGAs) results in metabolic syndrome (MetS) and cognitive impairment. This evidence suggests an intrinsic link between antipsychotic-induced MetS and cognitive dysfunction in schizophrenia patients. Olanzapine is a commonly prescribed SGA with a significantly higher MetS risk than that of most antipsychotics. In this study, we hypothesized that olanzapine-induced MetS may exacerbate cognitive dysfunction in patients with schizophrenia...
April 27, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28486178/sex-differences-in-salivary-cortisol-reactivity-to-the-trier-social-stress-test-tsst-a-meta-analysis
#15
Jenny J W Liu, Natalie Ein, Katlyn Peck, Vivian Huang, Jens C Pruessner, Kristin Vickers
Some, but not all studies using the Trier Social Stress Test (TSST) have demonstrated evidence in support of sex differences in salivary cortisol. The aim of the current meta-analysis is to examine sex differences in salivary cortisol following exposure to the TSST. We further explored the effects of modifications to the TSST protocol and procedural variations as potential moderators. We searched articles published from January, 1993 to February, 2016 in MedLine, PsychINFO, and ProQuest Theses and Dissertations...
April 24, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28482209/socioeconomic-status-discrimination-and-c-reactive-protein-in-african-american-and-white-adults
#16
Miriam E Van Dyke, Viola Vaccarino, Sandra B Dunbar, Priscilla Pemu, Gary H Gibbons, Arshed A Quyyumi, Tené T Lewis
OBJECTIVES: We examined the association between socioeconomic status (SES) discrimination and C-reactive protein (CRP) in a biracial cohort of middle-aged adults using an intersectionality framework. METHODS: Participants were 401 African-American and White adults from a population-based cohort in the Southeastern United States. SES discrimination was self-reported with a modified Experiences of Discrimination Scale, and CRP levels were assayed from blood samples...
April 23, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28458232/cortisol-mediator-of-association-between-alzheimer-s-disease-and-diabetes-mellitus
#17
REVIEW
Elena Notarianni
Numerous epidemiologic studies have identified an independent association between Alzheimer's disease (AD) and diabetes mellitus (DM), which remains unexplained. This review contends that the association is mediated by mild hypercortisolemia that is manifested in AD by early stages, as empirical evidence indicates that hypercortisolemia is diabetogenic even at subclinical levels. Subclinical Cushing's syndrome is discussed as the paradigm. It is proposed that hypercortisolemia increases the risk of pre-diabetes and DM during early AD and the preceding decades...
April 23, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28449941/is-c-reactive-protein-ready-for-prime-time-in-the-selection-of-antidepressant-medications
#18
LETTER
Andrew H Miller, Madhukar H Trivedi, Manish K Jha
No abstract text is available yet for this article.
April 17, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28448821/the-implications-of-war-captivity-and-long-term-psychopathology-trajectories-for-telomere-length
#19
Zahava Solomon, Noga Tsur, Yafit Levin, Orit Uziel, Meir Lahav, Avi Ohry
BACKGROUND: Previous findings have demonstrated the link between trauma, its psychopathological aftermath and cellular aging, as reflected in telomere length. However, as long-term examinations of psychopathology following trauma are scarce, very little is known regarding the repercussions of depression and PTSD trajectories of psychopathology for telomeres. The current study examined the implications of war captivity and depression/PTSD trajectories on telomere length. METHODS: Ninety-nine former prisoners of war (ex-POWs) from the 1973 Yom Kippur War were evaluated for depression and PTSD at 18, 30, 35 and 42 years after the war...
April 12, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28453978/oxytocin-attenuates-social-and-non-social-avoidance-re-thinking-the-social-specificity-of-oxytocin
#20
Osnat Harari-Dahan, Amit Bernstein
Re-examining decades of the social construal of Oxytocin, the General Approach-Avoidance Hypothesis of Oxytocin (GAAO) predicts that Oxytocin will modulate responding to emotionally-evocative and personally-relevant social and non-social stimuli due to its action on the neural substrate of approach and avoidance motivation. We report the first critical experimental test of GAAO predictions by means of a double-blind intra-nasal administration of Oxytocin vs. placebo in 90 healthy adults (N=90, 50% women). As predicted, we found that among men and women for whom negative emotion (anxious arousal) is motivationally-relevant, intra-nasal administration of Oxytocin reduced behavioral avoidance of emotionally-evocative negatively-valenced social and non-social stimuli, but not closely matched emotionally-neutral stimuli...
April 10, 2017: Psychoneuroendocrinology
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