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Early Life Stress

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https://www.readbyqxmd.com/read/28088658/exposure-to-chronic-early-life-stress-lastingly-alters-the-adipose-tissue-the-leptin-system-and-changes-the-vulnerability-to-western-style-diet-later-in-life-in-mice
#1
K Y Yam, E F G Naninck, M R Abbink, S E la Fleur, L Schipper, J C van den Beukel, A Grefhorst, A Oosting, E M van der Beek, P J Lucassen, A Korosi
Early-life stress (ES) increases the vulnerability to develop psychopathologies and cognitive decline in adulthood. Interestingly, this is often comorbid with metabolic disorders, such as obesity. However, it is unclear whether ES leads to lasting metabolic changes and to what extent this is associated with the ES-induced cognitive impairments. Here, we used an established chronic ES mouse model (from postnatal day (P) 2 to P9) to investigate the short- and long-term effects of ES exposure on parameters of the adipose tissue and the leptin system (i...
December 23, 2016: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28088215/non-associative-versus-associative-learning-by-foraging-predatory-mites
#2
Peter Schausberger, Stefan Peneder
BACKGROUND: Learning processes can be broadly categorized into associative and non-associative. Associative learning occurs through the pairing of two previously unrelated stimuli, whereas non-associative learning occurs in response to a single stimulus. How these two principal processes compare in the same learning task and how they contribute to the overall behavioural changes brought about by experience is poorly understood. We tackled this issue by scrutinizing associative and non-associative learning of prey, Western flower thrips Frankliniella occidentalis, by the predatory mite, Neoseiulus californicus...
January 14, 2017: BMC Ecology
https://www.readbyqxmd.com/read/28087202/family-adaptation-to-cerebral-palsy-in-adolescents-a-european-multicenter-study
#3
Audrey Guyard, Susan I Michelsen, Catherine Arnaud, Jerome Fauconnier
BACKGROUND AND AIM: Factors promoting family adaptation to child's disability are poorly studied together. The aim of the study was to describe the family adaptation to disability and to identify determinants associated with using a global theoretical model. MATERIALS AND METHODS: 286 families of teenagers [13-17 years] with cerebral palsy (CP) from 4 European disability registers were included and visited at home. Face to face interviews were performed in order to measure parental distress, perceived impact in various dimensions of family life, family resources and stressors...
January 10, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28086911/enhanced-neuroinflammation-mediated-by-dna-methylation-of-the-glucocorticoid-receptor-triggers-cognitive-dysfunction-after-sevoflurane-anesthesia-in-adult-rats-subjected-to-maternal-separation-during-the-neonatal-period
#4
Yangzi Zhu, Yu Wang, Rui Yao, Ting Hao, Junli Cao, He Huang, Liwei Wang, Yuqing Wu
BACKGROUND: Mounting evidence indicates that children who experience abuse and neglect are prone to chronic diseases and premature mortality later in life. One mechanistic hypothesis for this phenomenon is that early life adversity alters the expression or functioning of the glucocorticoid receptor (GR) throughout the course of life and thereby increases sensitivity to inflammatory stimulation. An exaggerated pro-inflammatory response is generally considered to be a key cause of postoperative cognitive dysfunction (POCD)...
January 7, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28078429/aims-and-tasks-in-parental-caregiving-for-children-receiving-palliative-care-at-home-a-qualitative-study
#5
Lisa M Verberne, Marijke C Kars, Antoinette Y N Schouten-van Meeteren, Diederik K Bosman, Derk A Colenbrander, Martha A Grootenhuis, Johannes J M van Delden
: In paediatric palliative care (PPC), parents are confronted with increasing caregiving demands. More children are cared for at home, and the need for PPC of children is lengthened due to technical and medical improvements. Therefore, a clear understanding of the content of parental caregiving in PPC becomes increasingly important. The objective is to gain insight into parental caregiving based on the lived experience of parents with a child with a life-limiting disease. An interpretative qualitative study using thematic analysis was performed...
January 11, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28077765/acute-embryonic-anoxia-exposure-favours-the-development-of-a-dominant-and-aggressive-phenotype-in-adult-zebrafish
#6
Catherine M Ivy, Cayleih E Robertson, Nicholas J Bernier
Eutrophication and climate change are increasing the incidence of severe hypoxia in fish nursery habitats, yet the programming effects of hypoxia on stress responsiveness in later life are poorly understood. In this study, to investigate whether early hypoxia alters the developmental trajectory of the stress response, zebrafish embryos were exposed to 4 h of anoxia at 36 h post-fertilization and reared to adults when the responses to secondary stressors were assessed. While embryonic anoxia did not affect basal cortisol levels or the cortisol response to hypoxia in later life, it had a marked effect on the responses to a social stressor...
January 11, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28074555/pediatric-stress-from-neuroendocrinology-to-contemporary-disorders
#7
REVIEW
Stavroula Stavrou, Nicolas C Nicolaides, Elena Critselis, Christina Darviri, Evangelia Charmandari, George P Chrousos
BACKGROUND: Stress is defined as a state of threatened or perceived as threatened homeostasis. A broad spectrum of extrinsic or intrinsic, real or perceived stressful stimuli, called "stressors", activates a highly conserved system, the "stress system", which adjusts homeostasis through central and peripheral neuroendocrine responses. Inadequate, excessive or prolonged adaptive responses to stress may underlie the pathogenesis of several disease states prevalent in modern societies. The development and severity of these conditions primarily depend on the genetic vulnerability of the individual, the exposure to adverse environmental factors and the timing of the stressful event(s), given that prenatal life, infancy, childhood and adolescence are critical periods characterized by increased vulnerability to stressors...
January 11, 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28070121/nrsf-dependent-epigenetic-mechanisms-contribute-to-programming-of-stress-sensitive-neurons-by-neonatal-experience-promoting-resilience
#8
A Singh-Taylor, J Molet, S Jiang, A Korosi, J L Bolton, Y Noam, K Simeone, J Cope, Y Chen, A Mortazavi, T Z Baram
Resilience to stress-related emotional disorders is governed in part by early-life experiences. Here we demonstrate experience-dependent re-programming of stress-sensitive hypothalamic neurons, which takes place through modification of neuronal gene expression via epigenetic mechanisms. Specifically, we found that augmented maternal care reduced glutamatergic synapses onto stress-sensitive hypothalamic neurons and repressed expression of the stress-responsive gene, Crh. In hypothalamus in vitro, reduced glutamatergic neurotransmission recapitulated the repressive effects of augmented maternal care on Crh, and this required recruitment of the transcriptional repressor repressor element-1 silencing transcription factor/neuron restrictive silencing factor (NRSF)...
January 10, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28065748/the-effects-of-early-life-stress-on-dopamine-system-function-in-adolescent-female-rats
#9
Iwona Majcher-Maślanka, Anna Solarz, Krzysztof Wędzony, Agnieszka Chocyk
During adolescence, many neural systems, including the dopamine system, undergo essential remodeling and maturation. It is well known that early-life stress (ELS) increases the risk for many psychopathologies during adolescence and adulthood. It is hypothesized that ELS interferes with the maturation of the dopamine system. There is a sex bias in the prevalence of stress-related mental disorders. Information regarding the effects of ELS on brain functioning in females is very limited. In the current study, maternal separation (MS) procedures were carried out to study the effects of ELS on dopamine system functioning in adolescent female rats...
January 5, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28063723/early-illness-experiences-related-to-unexpected-heart-surgery-a-qualitative-descriptive-study
#10
Yu-Ling Chang, Yun-Fang Tsai
BACKGROUND: Most studies on patients' experiences following emergency cardiac surgery focus on evaluation of patients after their discharge. Few studies have evaluated patients' experiences after being transferred from intensive care and before being discharged. OBJECTIVE: This study aimed to describe patients' experiences in the early stages of recovery following emergency heart surgery. METHODS: For this exploratory qualitative descriptive study, 13 patients were recruited from a medical centre in northern Taiwan...
January 4, 2017: Australian Critical Care: Official Journal of the Confederation of Australian Critical Care Nurses
https://www.readbyqxmd.com/read/28063710/the-presence-of-mwcnts-reduces-developmental-toxicity-of-pfos-in-early-life-stage-of-zebrafish
#11
Shutao Wang, Changlu Zhuang, Jia Du, Chuan Wu, Hong You
Both carbon nanotubes (CNTs) and perfluorooctane sulfonate (PFOS) are used widely. There is considerable concern regarding their ecotoxicity. CNTs might interact with PFOS in water and result in different impacts compared with those after single exposures. To our knowledge, the developmental toxicity of PFOS in the presence of multi-walled carbon nanotubes (MWCNTs) in the early life stage of zebrafish (from 3 h post fertilization (hpf) to 96 hpf) was investigated for the first time in this study. The embryos and larvae were exposed to PFOS (0...
January 4, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28062982/psychiatric-comorbidities-among-breast-cancer-survivors-in-south-korea-a-nationwide-population-based-study
#12
Jaesung Heo, Mison Chun, Young-Taek Oh, O Kyu Noh, Logyoung Kim
PURPOSE: The aim of this study was to analyze the prevalence of mental disorders in breast cancer survivors using claims data from the Health Insurance Review and Assessment Service in South Korea. We also analyzed patterns of mental disorders with respect to the time of diagnosis and age. MATERIALS AND METHODS: We confirmed mental disorders in a nationwide cohort of 87,843 people who were diagnosed with invasive breast cancer and underwent surgery between January 1, 2010 and December 31, 2014...
January 7, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28062231/the-effect-of-maternal-glucocorticoid-levels-on-juvenile-docility-in-yellow-bellied-marmots
#13
Matthew B Petelle, Brian N Dang, Daniel T Blumstein
Maternal effects can have significant and long-term consequences on offspring behavior and survival, while consistent individual differences (i.e., personality) can have profound impacts on individual fitness. Thus, both can influence population dynamics. However, the underlying mechanisms that determine variation in personality traits are poorly understood. Maternal effects are one potential mechanism that may explain personality variation. We capitalized on a long-term study of yellow-bellied marmots (Marmota flaviventris) to identify maternal effects on juvenile docility...
January 4, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/28056101/improving-access-to-mental-health-care-by-delivering-psychotherapeutic-care-in-the-workplace-a-cross-sectional-exploratory-trial
#14
Eva Rothermund, Reinhold Kilian, Edit Rottler, Dorothea Mayer, Michael Hölzer, Monika A Rieger, Harald Gündel
OBJECTIVE: Common mental disorders like mood and anxiety disorders and somatoform disorders have high costs, yet under-treatment is still frequent. Many people with common mental disorders are employed, so the workplace is potentially a suitable context in which to provide early treatment. Our study investigates whether a change of setting (workplace versus standard care) improves access to treatment for common mental disorders. METHODS: Conditional latent profile analysis was applied to identify user profiles for work ability (WAI), clinical symptoms like depression (patient health questionnaire depression, PHQ-9), health-related quality of life (QoL, SF-12), and work-related stress (Maslach Burnout Inventory, irritation scale)...
2017: PloS One
https://www.readbyqxmd.com/read/28053894/effect-of-yoga-program-on-executive-functions-of-adolescents-dwelling-in-an-orphan-home-a-randomized-controlled-study
#15
Satya Prakash Purohit, Balaram Pradhan
Executive function (EF) is important for physical and mental health of children. Studies have shown that children with poverty and early life stress have reduced EF. The aim of the study was to evaluate the effect of Yoga program on the EF of orphan adolescents. Seventy two apparently healthy orphan adolescents randomized and allocated into two groups as Yoga group (n = 40; 14 girls, age = 12.69 ± 1.35 yrs) and Wait List Control (WLC) group (n = 32, 13 girls, age = 12.58 ± 1.52 yrs). Yoga group underwent three months of Yoga program in a schedule of 90 min per day, four days per week whereas the WLC group followed the routine activities...
January 2017: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/28052122/pair-housing-of-dairy-calves-and-age-at-pairing-effects-on-weaning-stress-health-production-and-social-networks
#16
Sarah L Bolt, Natasha K Boyland, David T Mlynski, Richard James, Darren P Croft
The early social environment can influence the health and behaviour of animals, with effects lasting into adulthood. In Europe, around 60% of dairy calves are reared individually during their first eight weeks of life, while others may be housed in pairs or small groups. This study assessed the effects of varying degrees of social contact on weaning stress, health and production during pen rearing, and on the social networks that calves later formed when grouped. Forty female Holstein-Friesian calves were allocated to one of three treatments: individually housed (I, n = 8), pair-housed from day five (P5, n = 8 pairs), and pair-housed from day 28 (P28, n = 8 pairs)...
2017: PloS One
https://www.readbyqxmd.com/read/28051947/early-life-effects-on-adult-physical-activity-concepts-relevance-and-experimental-approaches
#17
Theodore Garland, Marcell D Cadney, Robert A Waterland
Locomotion is a defining characteristic of animal life and plays a crucial role in most behaviors. Locomotion involves physical activity, which can have far-reaching effects on physiology and neurobiology, both acutely and chronically. In human populations and in laboratory rodents, higher levels of physical activity are generally associated with positive health outcomes, although excessive exercise can have adverse consequences. Whether and how such relationships occur in wild animals is unknown. Behavioral variation among individuals arises from genetic and environmental factors and their interactions as well as from developmental programming (persistent effects of early-life environment)...
January 2017: Physiological and Biochemical Zoology: PBZ
https://www.readbyqxmd.com/read/28051939/ecologically-relevant-cooling-early-in-life-alters-prefledging-adrenocortical-response-in-free-living-songbirds
#18
Sharon E Lynn, Michael D Kern
In vertebrates, exposure to stressful stimuli early in development may alter the activity of the hypothalamo-pituitary-adrenal (HPA) axis, with the potential for fitness consequences later in life. For altricial species, whose young rely on their parents for food, warmth, and protection from predators, adult behavior can modify the impact of some stressors on their offspring after birth or hatching. We have shown that single bouts of cooling that normally occur when brooding females leave the nest elevate corticosterone secretion in very young free-living eastern bluebird (Sialia sialis) chicks...
January 2017: Physiological and Biochemical Zoology: PBZ
https://www.readbyqxmd.com/read/28051830/gambling-and-the-need-for-new-responses-in-public-health-with-an-addiction-sine-substantia
#19
M Crusco, F Massoni, E Luzi, P Ricci, M Pelosi, P Corbosiero, M Rapp-Ricciardi, S Ricci
BACKGROUND: The Gambling Disorder (GD) was recently defined as a behavioral addiction by the "The Diagnostic and Statistical Manual of Mental Disorders IV"( DSM-V) since the clinical, neurobiological and psychopathological similarities led it to be defined it as an addiction "sine substantia". The aim of this study is to formulate an "identikit" of the gambler, to evaluate a possible association between GD / emotional specific factors and the correlation between GD / substance abuse, GD / suicide...
November 2016: La Clinica Terapeutica
https://www.readbyqxmd.com/read/28042822/enduring-sexually-dimorphic-impact-of-in-utero-exposure-to-elevated-levels-of-glucocorticoids-on-midbrain-dopaminergic-populations
#20
REVIEW
Glenda E Gillies, Kanwar Virdee, Ilse Pienaar, Felwah Al-Zaid, Jeffrey W Dalley
Glucocorticoid hormones (GCs) released from the fetal/maternal glands during late gestation are required for normal development of mammalian organs and tissues. Accordingly, synthetic glucocorticoids have proven to be invaluable in perinatal medicine where they are widely used to accelerate fetal lung maturation when there is risk of pre-term birth and to promote infant survival. However, clinical and pre-clinical studies have demonstrated that inappropriate exposure of the developing brain to elevated levels of GCs, either as a result of clinical over-use or after stress-induced activation of the fetal/maternal adrenal cortex, is linked with significant effects on brain structure, neurological function and behaviour in later life...
December 30, 2016: Brain Sciences
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