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https://www.readbyqxmd.com/read/28340168/young-children-s-acute-stress-after-a-burn-injury-disentangling-the-role-of-injury-severity-and-parental-acute-stress
#1
Ann-Christin Haag, Markus A Landolt
 Although injury severity and parental stress are strong predictors of posttraumatic adjustment in young children after burns, little is known about the interplay of these variables. This study aimed at clarifying mediation processes between injury severity and mother's, father's, and young child's acute stress.   Structural equation modeling was used to examine the relationships between injury severity and parental and child acute stress. Parents of 138 burn-injured children (ages 1-4 years) completed standardized questionnaires on average 19 days postinjury...
March 18, 2017: Journal of Pediatric Psychology
https://www.readbyqxmd.com/read/28339575/histaminergic-neurotransmission-as-a-gateway-for-the-cognitive-effect-of-oleoylethanolamide-in-contextual-fear-conditioning
#2
Gustavo Provensi, Roberta Fabbri, Leonardo Munari, Alessia Costa, Elisabetta Baldi, Corrado Bucherelli, Patrizio Blandina, Maria Beatrice Passani
Background: The integrity of the brain histaminergic system is necessary for the unfolding of homeostatic and cognitive processes through the recruitment of alternative circuits with distinct temporal patterns. We recently demonstrated that the fat-sensing lipid mediator oleoylethanolamide indirectly activates histaminergic neurons to exerts its hypophagic effects. The present experiments investigated whether histaminergic neurotransmission is necessary also for the modulation of emotional memory induced by oleoylethanolamide in a contextual fear conditioning paradigm...
January 19, 2017: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28338591/the-course-prediction-and-treatment-of-acute-and-post-traumatic-stress-in-trauma-patients-a-systematic-review
#3
Eva Visser, Taco Gosens, Brenda Leontine Den Oudsten, Jolanda De Vries
BACKGROUND: Trauma patients suffer from Acute Stress Disorder (ASD) and Post-Traumatic Stress Disorder (PTSD). It is unknown how these disorders develop over time and when treatment is effective. Our aim was to systematically review (i) the course and predictors of ASD and PTSD after trauma and (ii) which and when psychological treatments are effective. METHODS: Embase, Medline, Web of Science, Scopus, PsycInfo, Cinahl, Cochrane, Pubmed, and Google Scholar were searched up to September 14, 2015...
March 23, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28337525/phosphodiesterase-1b-pde1b-knockout-mice-are-resistant-to-forced-swim-and-tail-suspension-induced-immobility-and-show-upregulation-of-pde10a
#4
Jillian R Hufgard, Michael T Williams, Matthew R Skelton, Olivera Grubisha, Filipa M Ferreira, Helen Sanger, Mary E Wright, Tracy M Reed-Kessler, Kurt Rasmussen, Ronald S Duman, Charles V Vorhees
RATIONALE: Major depressive disorder is a leading cause of suicide and disability. Despite this, current antidepressants provide insufficient efficacy in more than 60% of patients. Most current antidepressants are presynaptic reuptake inhibitors; postsynaptic signal regulation has not received as much attention as potential treatment targets. OBJECTIVES: We examined the effects of disruption of the postsynaptic cyclic nucleotide hydrolyzing enzyme, phosphodiesterase (PDE) 1b, on depressive-like behavior and the effects on PDE1B protein in wild-type (WT) mice following stress...
March 23, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28330718/adult-glucocorticoid-receptor-mrna-expression-volatility-in-response-to-an-acute-stressor-and-juvenile-csf-corticotropin-releasing-factor-a-pilot-neurodevelopmental-study
#5
Shariful A Syed, Eric L P Smith, Olcay Batuman, Leonard A Rosenblum, Michael J Owens, Charles B Nemeroff, Jeremy D Coplan
INTRODUCTION: Early life stress (ELS) has been shown to play a role in establishing persistent maladaptive HPA axis modifications that may contribute to the pathogenesis of mood and anxiety disorders. Central glucocorticoid receptor (GR) messenger RNA (mRNA) expression may facilitate (mal)adaptive responsivity to ELS. The role of adult monocytic GR mRNA expression, a putative CNS proxy, during acute stress exposure was explored as well as the ELS marker, juvenile cerebrospinal fluid (CSF) corticotropin-releasing factor...
March 19, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28320276/effects-of-short-term-exposure-to-lithium-on-antiapoptotic-bcl-xl-protein-expression-in-cortex-and-hippocampus-of-rats-after-acute-stress
#6
N N Dygalo, A V Bannova, E V Sukhareva, G T Shishkina, K A Ayriyants, T S Kalinina
The antiapoptotic protein Bcl-xL is involved in development of neurobiological resilience to stress; hence, the possibility of use of psychotropic drugs to increase its expression in brain in response to stress is of considerable interest. Lithium is a neurotropic drug widely used in psychiatry. In work, we studied effects of lithium administration (for 2 or 7 days) on the expression of Bcl-xL mRNA and protein in the hippocampi and cortices of rats subjected to stress that induced depression-like behavior in the animals...
March 2017: Biochemistry. Biokhimii︠a︡
https://www.readbyqxmd.com/read/28320183/ischemic-optic-neuropathy-as-a-model-of-neurodegenerative-disorder-a-review-of-pathogenic-mechanism-of-axonal-degeneration-and-the-role-of-neuroprotection
#7
REVIEW
Saba Khalilpour, Shahrzad Latifi, Ghazaleh Behnammanesh, Amin Malik Shah Abdul Majid, Aman Shah Abdul Majid, Ali Tamayol
Optic neuropathy is a neurodegenerative disease which involves optic nerve injury. It is caused by acute or intermittent insults leading to visual dysfunction. There are number of factors, responsible for optic neuropathy, and the optic nerve axon is affected in all type which causes the loss of retinal ganglion cells. In this review we will highlight various mechanisms involved in the cell loss cascades during axonal degeneration as well as ischemic optic neuropathy. These mechanisms include oxidative stress, excitotoxicity, angiogenesis, neuroinflammation and apoptosis following retinal ischemia...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28319688/attenuated-dhea-and-dhea-s-response-to-acute-psychosocial-stress-in-individuals-with-depressive-disorders
#8
Xiaoling Jiang, Wen Zhong, Haiyan An, Mingyu Fu, Yuanyuan Chen, Zhenggang Zhang, Zhongju Xiao
BACKGROUND: In recent years, a relationship between depression and basal dehydroepiandrosterone (DHEA) and dehydroepiandrosterone sulfate (DHEA-S) levels has frequently been suggested, but responses of these adrenal steroids to psychosocial stress have not been examined in individuals with depressive disorders. In this study, we examined salivary DHEA, DHEA-S, and cortisol/DHEA response to the Trier Social Stress Test (TSST) in individuals with depressive disorders and in healthy controls to discover whether the responses of DHEA and DHEA-S to acute psychosocial stress could be a more sensitive marker of HPA dysfunction in depressive disorders...
March 16, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28315757/chronic-social-stress-leads-to-altered-sleep-homeostasis-in-mice
#9
Nadja Olini, Iru Rothfuchs, Damiano Azzinnari, Christopher R Pryce, Salome Kurth, Reto Huber
Disturbed sleep and altered sleep homeostasis are core features of many psychiatric disorders such as depression. Chronic uncontrollable stress is considered an important factor in the development of depression, but little is known on how chronic stress affects sleep regulation and sleep homeostasis. We therefore examined the effects of chronic social stress (CSS) on sleep regulation in mice. Adult male C57BL/6 mice were implanted for electrocortical recordings (ECoG) and underwent either a 10-day CSS protocol or control handling (CON)...
March 15, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28314476/polydatin-alleviates-alcohol-induced-acute-liver-injury-in-mice-relevance-of-matrix-metalloproteinases-mmps-and-hepatic-antioxidants
#10
Meghana Koneru, Bidya Dhar Sahu, Sagarika Gudem, Madhusudana Kuncha, Halley Gora Ravuri, Jerald Mahesh Kumar, Eswar Kumar Kilari, Ramakrishna Sistla
BACKGROUND: Alcohol, a most commonly consumed beverage, is the foremost cause of liver injury throughout the world. Polydatin, a stilbenoid glucoside, was known to possess antioxidant and anti-inflammatory properties and is being investigated for use in various disorders. PURPOSE: The present study was intended at investigating the hepatoprotective efficacy of polydatin against acute-alcohol induced liver injury model in mice. STUDY DESIGN: C57BL/6 mice were fed with five doses of 50% ethyl alcohol (10ml/kg body weight) to induce acute liver injury...
April 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28300707/psychiatric-and-psychological-impact-of-surgery-while-awake-in-children-for-resection-of-brain-tumors
#11
Elise Riquin, Mickael Dinomais, Jean Malka, Thierry Lehousse, Philippe Duverger, Philippe Menei, Matthieu Delion
Intraoperative direct stimulation during surgery while awake is considered to be the gold standard for identifying eloquent cortical sites. Only a few studies have referenced the psychological impact of this event in the pediatric population. OBJECTIVE: The aim of this clinical study is to present the psychological aspects of surgery while awake in children. We question the psychiatric contraindications and age limits, and the impact on children, with particular attention to the psychological conditioning and experience of these patients...
March 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28292531/stress-overeating-and-obesity-insights-from-human-studies-and-preclinical-models
#12
REVIEW
Maria Razzoli, Carolyn Pearson, Scott Crow, Alessandro Bartolomucci
Eating disorders and obesity have become predominant in human society. Their association to modern lifestyle, encompassing calorie-rich diets, psychological stress, and comorbidity with major diseases are well documented. Unfortunately the biological basis remains elusive and the pharmacological treatment inadequate, in part due to the limited availability of valid animal models. Human research on binge eating disorder (BED) proves a strong link between stress exposure and bingeing: state-levels of stress and negative affect are linked to binge eating in individuals with BED both in laboratory settings and the natural environment...
March 11, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28287253/the-rodent-forced-swim-test-measures-stress-coping-strategy-not-depression-like-behavior
#13
Kathryn G Commons, Aram B Cholanians, Jessica A Babb, Daniel G Ehlinger
The Forced Swim Test (FST) measures coping strategy to an acute inescapable stress and thus provides unique insight into the neural limb of the stress response. Stress, particularly chronic stress, is a contributing factor to depression in humans and depression is associated with altered response to stress. In addition, drugs that are effective antidepressants in humans typically promote active coping strategy in the FST. As a consequence passive coping in the FST has become loosely equated with depression and is often referred to as 'depression-like' behavior...
March 13, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28283132/psychiatric-outpatients-after-the-3-11-complex-disaster-in-fukushima-japan
#14
Arinobu Hori, Hiroshi Hoshino, Itaru Miura, Masaki Hisamura, Akira Wada, Shuntaro Itagaki, Yasuto Kunii, Junya Matsumoto, Hirobumi Mashiko, Craig L Katz, Hirooki Yabe, Shin-Ichi Niwa
BACKGROUND: After the 3.11 complex disaster, fear of radioactive contamination and forced evacuation influenced a number of residents to seek psychiatric care. OBJECTIVES: This study assessed the sequential changes in the number of new outpatients and patients with acute stress disorder (ASD), post-traumatic stress disorder (PTSD), adjustment disorder, and depression after the Fukushima disaster. METHODS: We distributed questionnaires to 77 psychiatric institutions to determine the number of new outpatients between March and June in 2010, 2011, and 2012...
September 2016: Annals of Global Health
https://www.readbyqxmd.com/read/28272180/addressing-traumatic-stress-in-the-acute-traumatically-injured-patient
#15
Claire A Frank, Kathryn Schroeter, Chris Shaw
Psychological injuries after an acute traumatic event are commonly overlooked. Currently within United States, there is no consistently utilized screening process that addresses traumatic stress within the acute trauma population. Roy's Adaptation Model guided this project, focusing on the idea that bedside nurses are at the frontline of providing early identification through nursing assessment. The purpose of this pilot study was to evaluate whether the implementation of the Primary Care-Posttraumatic Stress Disorder (PC-PTSD) screening tool by bedside nurses would result in identifying more patients at risk for traumatic stress after an acute trauma as compared with the use of no screening method...
March 2017: Journal of Trauma Nursing: the Official Journal of the Society of Trauma Nurses
https://www.readbyqxmd.com/read/28268256/cannabidiol-regulation-of-emotion-and-emotional-memory-processing-relevance-for-treating-anxiety-related-and-substance-abuse-disorders
#16
REVIEW
Jonathan L C Lee, Leandro J Bertoglio, Francisco S Guimarães, Carl W Stevenson
Learning to associate cues or contexts with potential threats or rewards is adaptive and enhances survival. Both aversive and appetitive memories are therefore powerful drivers of behaviour, but the inappropriate expression of conditioned responding to fear- and drug-related stimuli can develop into anxiety-related and substance abuse disorders respectively. These disorders are associated with abnormally persistent emotional memories and inadequate treatment, often leading to symptom relapse. Studies show that cannabidiol, the main non-psychotomimetic phytocannabinoid found in Cannabis sativa, reduces anxiety via 5-HT1A and (indirect) cannabinoid receptor activation in paradigms assessing innate responses to threat...
March 7, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28263824/suppressive-immunoregulatory-effects-of-three-antidepressants-via-inhibition-of-the-nuclear-factor-%C3%AE%C2%BAb-activation-assessed-using-primary-macrophages-of-carp-cyprinus-carpio
#17
Wenhui Qiu, Minghong Wu, Shuai Liu, Bei Chen, Chenyuan Pan, Ming Yang, Ke-Jian Wang
Antidepressants, having been applied for the treatment of major depressive disorder and other conditions for decades, are among the most commonly detected human pharmaceuticals in the aquatic environment. This study evaluated the immunotoxicity of acute exposure to environmentally relevant concentrations of amitriptyline, fluoxetine and mianserin using an in vitro primary macrophage model isolated from red common carp (Cyprinus carpio), and also explored their potential mechanisms of action. A potential suppressive immunoregulatory effect of antidepressant exposure was suggested based on the observed suppressive effects on oxidative stress parameters, bactericidal activity, NO production, and NO synthase activity, as well as pro-inflammatory cytokine gene expression, and a significant stimulatory effect on anti-inflammatory interleukin-10 and interferon cytokine gene expression and ATPase activities in macrophages after 6h-exposure to three individual antidepressants and a combination thereof...
March 3, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28262155/an-exploratory-study-of-immune-markers-in-acute-and-transient-psychosis
#18
Jayant Mahadevan, Aparna Sundaresh, Ravi Philip Rajkumar, A Muthuramalingam, Vikas Menon, V S Negi, M G Sridhar
The aim of this study was to look into the balance of pro-inflammatory (TNF-α, IL-6) and anti-inflammatory (TGF-β) cytokines and their association with stress, alterations in HPA axis activity and the disease severity in acute psychosis. Socio-demographic and clinical details were collected from 41 in-patients with a diagnosis of Acute and Transient Psychotic Disorder. Holmes and Rahe Stress Scale for stress in the preceding year, and Brief Psychiatric Rating Scale at baseline and follow up (4-12 weeks) for psychopathology were applied...
February 2017: Asian Journal of Psychiatry
https://www.readbyqxmd.com/read/28257896/orexin-2-receptor-regulation-of-the-hypothalamic-pituitary-adrenal-hpa-response-to-acute-and-repeated-stress
#19
Laura A Grafe, Darrell Eacret, Sandra Luz, Anthony L Gotter, John J Renger, Chris J Winrow, Seema Bhatnagar
Orexins are hypothalamic neuropeptides that have a documented role in mediating the acute stress response. However, their role in habituation to repeated stress, and the role of orexin receptors (OX1R and OX2R) in the stress response, has yet to be defined. Orexin neuronal activation and levels in the cerebrospinal fluid (CSF) were found to be stimulated with acute restraint, but were significantly reduced by day five of repeated restraint. As certain disease states such as panic disorder are associated with increased central orexin levels and failure to habituate to repeated stress, the effect of activating orexin signaling via Designer Receptors Exclusively Activated by Designer Drugs (DREADDs) on the hypothalamic-pituitary-adrenal (HPA) response was evaluated after repeated restraint...
February 28, 2017: Neuroscience
https://www.readbyqxmd.com/read/28257413/uncovering-precision-phenotype-biomarker-associations-in-traumatic-brain-injury-using-topological-data-analysis
#20
Jessica L Nielson, Shelly R Cooper, John K Yue, Marco D Sorani, Tomoo Inoue, Esther L Yuh, Pratik Mukherjee, Tanya C Petrossian, Jesse Paquette, Pek Y Lum, Gunnar E Carlsson, Mary J Vassar, Hester F Lingsma, Wayne A Gordon, Alex B Valadka, David O Okonkwo, Geoffrey T Manley, Adam R Ferguson
BACKGROUND: Traumatic brain injury (TBI) is a complex disorder that is traditionally stratified based on clinical signs and symptoms. Recent imaging and molecular biomarker innovations provide unprecedented opportunities for improved TBI precision medicine, incorporating patho-anatomical and molecular mechanisms. Complete integration of these diverse data for TBI diagnosis and patient stratification remains an unmet challenge. METHODS AND FINDINGS: The Transforming Research and Clinical Knowledge in Traumatic Brain Injury (TRACK-TBI) Pilot multicenter study enrolled 586 acute TBI patients and collected diverse common data elements (TBI-CDEs) across the study population, including imaging, genetics, and clinical outcomes...
2017: PloS One
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