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https://www.readbyqxmd.com/read/28445888/differential-effects-of-inflammatory-and-psychosocial-stress-on-mood-hypothalamic-pituitary-adrenal-axis-and-inflammation-in-remitted-depression
#1
Peter Niemegeers, Peter De Boer, Glenn J H Dumont, Filip Van Den Eede, Erik Fransen, Stephan J Claes, Manuel Morrens, Bernard G C Sabbe
BACKGROUND/AIMS: Major depressive disorder (MDD) is highly recurrent. This may be due to increased stress sensitivity after remission. Both inflammatory and psychosocial stressors are implicated in the pathogenesis of MDD, but the additive or differential effect is unclear. METHODS: We conducted a single-blind placebo-controlled study to investigate the effects of inflammatory stress (i.e., typhoid vaccination), psychosocial stress (i.e., Trier Social Stress Test [TSST]), or a combination of both in women (25-45 years old) with (partially) remitted recurrent MDD (n = 21) and healthy female controls (n = 18)...
April 27, 2017: Neuropsychobiology
https://www.readbyqxmd.com/read/28445688/resting-state-functional-connectivity-of-the-amygdala-in-suicide-attempters-with-major-depressive-disorder
#2
Seung-Gul Kang, Kyoung-Sae Na, Jae-Won Choi, Jeong-Hee Kim, Young-Don Son, Yu Jin Lee
In this study, we investigated the difference in resting-state functional connectivity (RSFC) of the amygdala between suicide attempters and non-suicide attempters with major depressive disorder (MDD) using functional magnetic resonance imaging (fMRI). This study included 19 suicide attempters with MDD and 19 non-suicide attempters with MDD. RSFC was compared between the two groups and the regression analyses were conducted to identify the correlation between RSFC and Scale for Suicide Ideation (SSI) scores in the suicide attempt group...
April 23, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28445632/the-association-of-baseline-suicidality-with-treatment-outcome-in-psychotic-depression
#3
Kathleen S Bingham, Anthony J Rothschild, Benoit H Mulsant, Ellen M Whyte, Barnett S Meyers, Samprit Banerjee, Katalin Szanto, Alastair J Flint
OBJECTIVE: To examine the association between baseline suicidality and outcome of major depression in a randomized controlled trial of the pharmacotherapy of psychotic depression and to explore the interaction of suicidality, randomized treatment assignment, and depression outcome. METHODS: This study was a secondary analysis of data from 258 persons aged 18 years or older with DSM-IV-defined major depressive disorder with psychotic features who participated in a 12-week randomized controlled trial (RCT) comparing olanzapine plus sertraline with olanzapine plus placebo (the Study of the Pharmacotherapy of Psychotic Depression [STOP-PD], which ran from 2002 to 2007)...
April 25, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28445517/motivation-factors-for-suicidal-behavior-and-their-clinical-relevance-in-admitted-psychiatric-patients
#4
Naoki Hayashi, Miyabi Igarashi, Atsushi Imai, Yuka Yoshizawa, Kaori Asamura, Yoichi Ishikawa, Taro Tokunaga, Kayo Ishimoto, Yoshitaka Tatebayashi, Hirohiko Harima, Naoki Kumagai, Hidetoki Ishii, Yuji Okazaki
BACKGROUND: Suicidal behavior (SB) is a major, worldwide health concern. To date there is limited understanding of the associated motivational aspects which accompany this self-initiated conduct. AIMS: To develop a method for identifying motivational features associated with SB by studying admitted psychiatric patients, and to examine their clinical relevance. METHODS: By performing a factor analytic study using data obtained from a patient sample exhibiting high suicidality and a variety of SB methods, Motivations for SB Scale (MSBS) was constructed to measure the features...
2017: PloS One
https://www.readbyqxmd.com/read/28444833/chronic-stress-induced-mechanical-hyperalgesia-is-controlled-by-capsaicin-sensitive-neurones-in-the-mouse
#5
B Scheich, P Vincze, É Szőke, É Borbély, Á Hunyady, J Szolcsányi, Á Dénes, Zs Környei, B Gaszner, Zs Helyes
BACKGROUND: Clinical studies demonstrated peripheral nociceptor deficit in stress-related chronic pain states, such as fibromyalgia. The interactions of stress and nociceptive systems have special relevance in chronic pain, but the underlying mechanisms including the role of specific nociceptor populations remain unknown. We investigated the role of capsaicin-sensitive neurones in chronic stress-related nociceptive changes. METHOD: Capsaicin-sensitive neurones were desensitized by the capsaicin analogue resiniferatoxin (RTX) in CD1 mice...
April 25, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28444658/comparing-the-immune-genomic-effects-of-vilazodone-and-paroxetine-in-late-life-depression-a-pilot-study
#6
Harris Eyre, Prabha Siddarth, Natalie Cyr, Hongyu Yang, Steve Cole, Malcolm Forbes, Helen Lavretsky
Vilazodone is a novel antidepressant agent that combines selective serotonin (5-HT) reuptake inhibitor (SSRI) activity and 5-HT(1A) receptor partial agonist activity. A pilot study was conducted to compare vilazodone (novel compound) and paroxetine (gold standard) on antidepressant effects, tolerability, and inflammation and immune modulation. A 12-week, double-blind, randomized clinical trial was conducted with 56 nondemented older adults diagnosed with major depressive disorder (MDD). Between-group differences in mood, tolerability, and safety, as well as genomic markers of inflammation and immune modulation, were examined...
April 25, 2017: Pharmacopsychiatry
https://www.readbyqxmd.com/read/28444617/computational-theory-underlying-acute-vestibulo-ocular-reflex-motor-learning-with-cerebellar-long-term-depression-and-long-term-potentiation
#7
Keiichiro Inagaki, Yutaka Hirata
The vestibulo-ocular reflex (VOR) can be viewed as an adaptive control system that maintains compensatory eye movements during head motion. As the cerebellar flocculus is intimately involved in this adaptive motor control of the VOR, the VOR has been a popular model system for investigating cerebellar motor learning. Long-term depression (LTD) and long-term potentiation (LTP) at the parallel fiber-Purkinje cell synapses are considered to play major roles in cerebellar motor learning. A recent study using mutant mice demonstrated cerebellar motor learning with hampered LTD; the study concluded that the parallel fiber-Purkinje cell LTD is not essential...
April 25, 2017: Cerebellum
https://www.readbyqxmd.com/read/28444208/adverse-impacts-of-chronic-pain-on-health-related-quality-of-life-work-productivity-depression-and-anxiety-in-a-community-based-study
#8
Kosuke Kawai, Alison Tse Kawai, Peter Wollan, Barbara P Yawn
Background.: Chronic pain has major clinical and social consequences. Few studies have examined any variation in the extent of impairment on quality of life and work productivity by site and type of chronic pain. Objective.: The objective of our study is to examine adverse impacts of chronic pain on physical and psychological health and work productivity. Methods.: Our community-population study was based on a phone-interview of adults with chronic pain, residing in Olmsted County, MN...
April 22, 2017: Family Practice
https://www.readbyqxmd.com/read/28443957/major-depression-and-acute-coronary-syndrome-related-factors
#9
Jose Henrique Cunha Figueiredo, Nelson Albuquerque de Souza E Silva, Basilio de Bragança Pereira, Glaucia Maria Moraes de Oliveira
BACKGROUND: Major Depressive Disorder (MDD) is one of the most common mental illnesses in psychiatry, being considered a risk factor for Acute Coronary Syndrome (ACS). OBJECTIVE: To assess the prevalence of MDD in ACS patients, as well as to analyze associated factors through the interdependence of sociodemographic, lifestyle and clinical variables. METHODS: Observational, descriptive, cross-sectional, case-series study conducted on patients hospitalized consecutively at the coronary units of three public hospitals in the city of Rio de Janeiro over a 24-month period...
March 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28443631/a-peripheral-epigenetic-signature-of-immune-system-genes-is-linked-to-neocortical-thickness-and-memory
#10
Virginie Freytag, Tania Carrillo-Roa, Annette Milnik, Philipp G Sämann, Vanja Vukojevic, David Coynel, Philippe Demougin, Tobias Egli, Leo Gschwind, Frank Jessen, Eva Loos, Wolfgang Maier, Steffi G Riedel-Heller, Martin Scherer, Christian Vogler, Michael Wagner, Elisabeth B Binder, Dominique J-F de Quervain, Andreas Papassotiropoulos
Increasing age is tightly linked to decreased thickness of the human neocortex. The biological mechanisms that mediate this effect are hitherto unknown. The DNA methylome, as part of the epigenome, contributes significantly to age-related phenotypic changes. Here, we identify an epigenetic signature that is associated with cortical thickness (P=3.86 × 10(-8)) and memory performance in 533 healthy young adults. The epigenetic effect on cortical thickness was replicated in a sample comprising 596 participants with major depressive disorder and healthy controls...
April 26, 2017: Nature Communications
https://www.readbyqxmd.com/read/28443617/the-therapeutic-potential-of-psychedelic-drugs-past-present-and-future
#11
Robin L Carhart-Harris, Guy M Goodwin
Plant-based psychedelics such as psilocybin have an ancient history of medicinal use. After the first English-language report on LSD in 1950, psychedelics enjoyed a short-lived relationship with psychology and psychiatry. Used most notably as aides to psychotherapy for the treatment of mood disorders and alcohol dependence, drugs such as LSD showed initial therapeutic promise before prohibitive legislature in the mid-1960s effectively ended all major psychedelic research programmes. Since the early 1990s, there has been a steady revival of human psychedelic research: last year saw reports on the first modern brain imaging study with LSD and 3 separate clinical trials of psilocybin for depressive symptoms...
April 26, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28443533/childhood-adversity-adult-stress-and-the-risk-of-major-depression-or-generalized-anxiety-disorder-in-us-soldiers-a-test-of-the-stress-sensitization-hypothesis
#12
G Bandoli, L Campbell-Sills, R C Kessler, S G Heeringa, M K Nock, A J Rosellini, N A Sampson, M Schoenbaum, R J Ursano, M B Stein
BACKGROUND: The stress sensitization theory hypothesizes that individuals exposed to childhood adversity will be more vulnerable to mental disorders from proximal stressors. We aimed to test this theory with respect to risk of 30-day major depressive episode (MDE) and generalized anxiety disorder (GAD) among new US Army soldiers. METHODS: The sample consisted of 30 436 new soldier recruits in the Army Study to Assess Risk and Resilience (Army STARRS). Generalized linear models were constructed, and additive interactions between childhood maltreatment profiles and level of 12-month stressful experiences on the risk of 30-day MDE and GAD were analyzed...
April 26, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28443381/pharmacological-management-of-narcolepsy-with-and-without-cataplexy
#13
Ulf Kallweit, Claudio L Bassetti
Introduction Narcolepsy is an orphan neurological disease and presents with sleep- wake, motoric, neuropsychiatric and metabolic symptoms. Narcolepsy with cataplexy is most commonly caused by an immune-mediated process including genetic and environmental factors, resulting in the selective loss of hypocretin-producing neurons. Narcolepsy has a major impact on workableness and quality of life. Areas covered This review provides an overview of the temporal available treatment options for narcolepsy (type 1 and 2) in adults, including authorization status by regulatory agencies...
April 26, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28443056/concerns-mental-health-and-quality-of-life-in-living-kidney-donation-parent-donor-candidates-worry-less-about-themselves
#14
M Ángeles Pérez-San-Gregorio, Agustín Martín-Rodríguez, Asunción Luque-Budia, Rupert Conrad
Even though the majority of living kidney donor candidates appear in good mental health and show few concerns little is known concerning the influence of the type of donor-recipient relationship on donor candidates' specific concerns with regard to kidney donation. 136 donor candidates at Virgen del Rocío University Hospital of Seville filled in the Scale of Concerns Regarding Living Kidney Donation of whom 105 donor candidates and their corresponding recipients (105 patients with End-Stage Renal Disease) were further evaluated with regard to mental health (Hospital Anxiety and Depression Scale, Beck Depression Inventory-II) and quality of life (SF-36 Health Survey)...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28442715/work-disability-before-and-after-a-major-cardiovascular-event-a-ten-year-study-using-nationwide-medical-and-insurance-registers
#15
Marianna Virtanen, Jenni Ervasti, Ellenor Mittendorfer-Rutz, Tea Lallukka, Linnea Kjeldgård, Emilie Friberg, Mika Kivimäki, Erik Lundström, Kristina Alexanderson
We examined the trajectories of work disability before and after IHD and stroke events. New IHD (n = 13521) and stroke (n = 7162) cases in 2006-2008 were retrieved from nationwide Swedish hospital records and their annual work disability days five years before and after the date of diagnosis were retrieved from a nationwide disability register. There was no pre-event differences in disability days between the IHD and stroke cases and five years prior to the event, they were close to those observed in the general population...
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28442354/the-influence-of-stress-on-neuroinflammation-and-alterations-in-brain-structure-and-function-in-major-depressive-disorder
#16
REVIEW
Yong-Ku Kim, Eunsoo Won
Major depressive disorder (MDD) is a condition which has often been associated with chronic stress. The sympathetic nervous system is continuously activated without the normal counteraction of the parasympathetic nervous system under the influence of chronic stress. As a result, epinephrine and norepinephrine levels are increased, and acetylcholine levels are decreased, which in turn can increase the levels of pro-inflammatory cytokines. Peripheral inflammatory responses can access the brain, with neuroinflammation contributing to the increase in neurotoxic kynurenine pathway metabolites such as 3-hydroxykynurenine, 3-hydroxyanthranilic acid and quinolinic acid, and decrease in neuroprotective metabolites such as kynurenic acid...
April 22, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28442351/major-depressive-disorder-mediates-accelerated-aging-in-rats-subjected-to-chronic-mild-stress
#17
Xiaoxian Xie, Yangyang Chen, Lingyan Ma, Qichen Shen, Liangfeng Huang, Binggong Zhao, Tao Wu, Zhengwei Fu
Major depressive disorder (MDD) has a complex etiology and is characterized by a change in mood and psychophysiological state. MDD has been shown to mediate accelerated biological aging in patients, although the underlying mechanism is not well understood. In the present study, we used a chronic mild stress (CMS) paradigm to induce anhedonia, one of the main symptoms of MDD. CMS induced depression-like symptoms in rats, including reduced sucrose preference and increased immobility time in the forced swim test...
April 22, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28442348/upregulation-of-neurotrophins-by-s-47445-a-novel-positive-allosteric-modulator-of-ampa-receptors-in-aged-rats
#18
Francesca Calabrese, Elisa Savino, Elisabeth Mocaer, Sylvie Bretin, Giorgio Racagni, Marco A Riva
At molecular levels, it has been shown that aging is associated with alterations in neuroplastic mechanisms. In this study, it was examined if the altered expression of neurotrophins observed in aged rats could be corrected by a chronic treatment with S 47445 (1-3-10mg/kg, p.o.), a novel selective positive allosteric modulator of the AMPA receptors. Both the mRNA and the protein levels of the neurotrophins Bdnf, NT-3 and Ngf were specifically measured in the prefrontal cortex and hippocampus (ventral and dorsal) of aged rats...
April 22, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28441974/evaluating-effectiveness-and-cost-effectiveness-of-a-group-psychological-intervention-using-cognitive-behavioural-strategies-for-women-with-common-mental-disorders-in-conflict-affected-rural-pakistan-study-protocol-for-a-randomised-controlled-trial
#19
Anna Chiumento, Syed Usman Hamdani, Muhammad Naseem Khan, Katie Dawson, Richard A Bryant, Marit Sijbrandij, Huma Nazir, Parveen Akhtar, Aqsa Masood, Duolao Wang, Mark van Ommeren, Atif Rahman
BACKGROUND: The impact of humanitarian disasters upon mental health is well recognised. The evidence for psychological interventions for mental health is mounting, but few interventions have been rigorously tested in humanitarian settings. To be sustainable in humanitarian settings interventions need to be short, simple, deliverable by nonspecialists under supervision, and adopt a transdiagnostic approach where an array of mental health outcomes are addressed simultaneously. These elements have been incorporated into the newly developed WHO Problem Management Plus (PM+) Group intervention...
April 26, 2017: Trials
https://www.readbyqxmd.com/read/28441923/lowered-pon1-activities-are-strongly-associated-with-depression-and-bipolar-disorder-recurrence-of-hypo-mania-and-depression-increased-disability-and-lowered-quality-of-life
#20
Estefania Gastaldello Moreira, Dalmo Guilherme Correia, Kamila Landucci Bonifácio, Juliana Brum de Moraes, Fernanda Liboni Cavicchioli, Carolina Sampaio Nunes, Sandra Odebrecht Vargas Nunes, Heber Odebrecht Vargas, Décio Sabbatini Barbosa, Michael Maes
BACKGROUND: Mood disorders (MD) frequently co-exist with cardiovascular disease (CVD) and immune-inflammatory and oxidative stress are important shared pathophysiological pathways. Even though there is an extensive investigation of the enzyme paraoxonase 1 (PON1) as a biomarker of susceptibility for CVD, there are only few reports studying PON1 in MD. OBJECTIVES: To determine the association between PON1 activities as well as functional genotypes and MD diagnosis, clinical characteristics and outcomes...
April 26, 2017: World Journal of Biological Psychiatry
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