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major depression & vulnerability

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https://www.readbyqxmd.com/read/28645775/altered-populations-of-natural-killer-cells-cytotoxic-t-lymphocytes-and-regulatory-t-cells-in-major-depressive-disorder-association-with-sleep-disturbance
#1
Hideo Suzuki, Jonathan Savitz, T Kent Teague, Siva K Gandhapudi, Chibing Tan, Masaya Misaki, Brett A McKinney, Michael R Irwin, Wayne C Drevets, Jerzy Bodurka
A subset of individuals with major depressive disorder (MDD) have impaired adaptive immunity characterized by a greater vulnerability to viral infection and a deficient response to vaccination along with a decrease in the number and/or activity of T cells and natural killer cells (NKC). Nevertheless, it remains unclear which specific subsets of lymphocytes are altered in MDD, a shortcoming we address here by utilizing an advanced fluorescence-activated cell sorting (FACS) method that allows for the differentiation of important functionally-distinct lymphocyte sub-populations...
June 20, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28632961/increased-neural-response-to-social-rejection-in-major-depression
#2
Poornima Kumar, Gordon D Waiter, Magda Dubois, Maarten Milders, Ian Reid, J Douglas Steele
BACKGROUND: Being a part of community is critical for survival and individuals with major depressive disorder (MDD) have a greater sensitivity to interpersonal stress that makes them vulnerable to future episodes. Social rejection is a critical risk factor for depression and it is said to increase interpersonal stress and thereby impairing social functioning. It is therefore critical to understand the neural correlates of social rejection in MDD. METHODS: To this end, we scanned 15 medicated MDD and 17 healthy individuals during a modified cyberball passing game, where participants were exposed to increasing levels of social exclusion...
June 20, 2017: Depression and Anxiety
https://www.readbyqxmd.com/read/28632513/prevalence-and-predictors-of-posttraumatic-stress-and-depression-symptoms-among-syrian-refugees-in-a-refugee-camp
#3
Ceren Acarturk, Mustafa Cetinkaya, Ibrahim Senay, Birgul Gulen, Tamer Aker, Devon Hinton
Turkey is hosting the majority of Syrian refugees. The current study investigates the prevalence of probable posttraumatic stress disorder (PTSD) and depression among adult Syrians residing in a camp (N = 781) and potential predictors. The Impact of Event Scale-Revised was used to measure PTSD and the Beck Depression Inventory depression. Probable PTSD prevalence was 83.4%, with predictors being female sex (odds ratio [OR], 4.1), previous mental health problems (OR, 4.5), life threat (OR, 3.0), and injury of a loved one (OR, 1...
June 19, 2017: Journal of Nervous and Mental Disease
https://www.readbyqxmd.com/read/28611716/depression-and-identity-are-self-constructions-negative-or-conflictual
#4
Adrián Montesano, Guillem Feixas, Franz Caspar, David Winter
Negative self-views have proved to be a consistent marker of vulnerability for depression. However, recent research has shown that a particular kind of cognitive conflict, implicative dilemma, is highly prevalent in depression. In this study, the relevance of these conflicts is assessed as compared to the cognitive model of depression of a negative view of the self. In so doing, 161 patients with major depression and 110 controls were assessed to explore negative self-construing (self-ideal discrepancy) and conflicts (implicative dilemmas), as well as severity of symptoms...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28608287/increased-glutamic-acid-decarboxylase-expression-in-the-hypothalamic-suprachiasmatic-nucleus-in-depression
#5
Xueyan Wu, Rawien Balesar, Jing Lu, Sahar Farajnia, Qiongbin Zhu, Manli Huang, Ai-Min Bao
In depression, disrupted circadian rhythms reflect abnormalities in the central circadian pacemaker, the hypothalamic suprachiasmatic nucleus (SCN). Although many SCN neurons are said to be GABAergic, it was not yet known whether and how SCN GABA changes occur in the SCN in depression. We, therefore, studied GABA in the SCN in relation to the changes in arginine vasopressin (AVP), which is one of the major SCN output systems. Postmortem hypothalamus specimens of 13 subjects suffering from depression and of 13 well-matched controls were collected...
June 12, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/28600855/predicting-future-major-depression-and-persistent-depressive-symptoms-development-of-a-prognostic-screener-and-phq4-cutoffs-in-breast-cancer-patients
#6
Karen L Weihs, Joshua F Wiley, Catherine M Crespi, Jennifer L Krull, Annette L Stanton
OBJECTIVE: Create a brief, self-report screener for recently diagnosed breast cancer patients to identify patients at risk of future depression. METHODS: Breast cancer patients (N = 410) within 2 ± 1 months after diagnosis provided data on depression vulnerability (DV). Depression outcomes were defined as a high depressive symptom trajectory or a major depressive episode during 16 months after diagnosis. Stochastic gradient boosting of regression trees identified seven items highly predictive for the depression outcomes from a pool of 219 candidate DV items...
June 9, 2017: Psycho-oncology
https://www.readbyqxmd.com/read/28595325/maternal-lifetime-stress-and-prenatal-psychological-functioning-are-associated-with-decreased-placental-mitochondrial-dna-copy-number-in-the-prism-study
#7
Kelly J Brunst, Marco Sanchez Guerra, Chris Gennings, Michele Hacker, Calvin Jara, Michelle Bosquet Enlow, Robert O Wright, Andrea Baccarelli, Rosalind J Wright
Psychosocial stress contributes to placental oxidative stress. Mitochondria are vulnerable to oxidative stress which can lead to changes in mitochondrial DNA copy number (mtDNAcn). We examined associations between maternal lifetime stress, current negative life events, depressive and posttraumatic stress disorder symptom scores and placental mtDNAcn in a racially/ethnically diverse sample (N = 147) from the PRogramming of Intergenerational Stress Mechanisms study (March 2011- August 2012). In linear regression analyses adjusted for maternal age, race/ethnicity, education, prenatal fine particulate matter, prenatal smoking, and child sex, all measures of stress were associated with decreased placental mtDNAcn (all P-values < 0...
June 8, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28593361/different-patterns-of-depressive-symptoms-during-pregnancy
#8
Sophie E M Truijens, Viola Spek, Maarten J M van Son, S Guid Oei, Victor J M Pop
Recently, the US Preventive Services Task Force has advocated to screen pregnant and postpartum women for depression. However, we questioned the meaning of a single elevated depression score: does it represent just one episode of depression or do these symptoms persist throughout the entire pregnancy? This study assessed depressive symptoms at each trimester in a cohort of 1813 pregnant women and evaluated whether women with different patterns of depressive symptoms showed other characteristics. Depending on the trimester, elevated depression scores were prevalent in 10-15% of the pregnant women...
June 8, 2017: Archives of Women's Mental Health
https://www.readbyqxmd.com/read/28583656/-dyslipidemia-and-suicidal-risk-in-patients-with-psychiatric-disorders
#9
A Messaoud, R Mensi, A Mhalla, I Hallara, F Neffati, W Douki, M F Najjar, L Gaha
The aim of this work is to study the association between dyslipidemia and suicidal risk in patients with psychiatric pathology. Our study has involved 155 patients suffering from major depressive disorder and 124 schizophrenic patients aged 40.58±12.16 and 43.43±10.60 years, respectively. Total cholesterol (TC), triglycerides (TG) and HDL-c were determined by enzymatic methods, LDL-c was calculated by the Friedewald formula. Plasma cholesterol level was significantly lower among suicidal schizophrenic or depressive patients...
June 2, 2017: L'Encéphale
https://www.readbyqxmd.com/read/28582719/is-adolescent-alcohol-use-associated-with-self-reported-hypomanic-symptoms-in-adulthood-findings-from-a-prospective-birth-cohort
#10
Melissa Fasteau, Daniel Mackay, Daniel J Smith, Thomas D Meyer
High rates of alcohol use disorder (AUD) are reported in people with major depression (MD) and bipolar disorder (BD). Substance abuse problems in adolescence may also indicate risk for future onset of mood disorders, especially BD. Data collected from the Avon Longitudinal Study of Parents and Children (ALSPAC), a large UK birth cohort, allowed information to be collected over several different time points and to test whether problematic alcohol use at age 16 was predictive of vulnerability to hypomanic symptoms at age 23...
May 22, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28581274/comparison-of-electroencephalography-eeg-coherence-between-major-depressive-disorder-mdd-without-comorbidity-and-mdd-comorbid-with-internet-gaming-disorder
#11
Joohyung Youh, Ji Sun Hong, Doug Hyun Han, Un Sun Chung, Kyoung Joon Min, Young Sik Lee, Sun Mi Kim
Internet gaming disorder (IGD) has many comorbid psychiatric problems including major depressive disorder (MDD). In the present study, we compared the neurobiological differences between MDD without comorbidity (MDD-only) and MDD comorbid with IGD (MDD+IGD) by analyzing the quantitative electroencephalogram (QEEG) findings. We recruited 14 male MDD+IGD (mean age, 20.0 ± 5.9 years) and 15 male MDD-only (mean age, 20.3 ± 5.5 years) patients. The electroencephalography (EEG) coherences were measured using a 21-channel digital EEG system and computed to assess synchrony in the frequency ranges of alpha (7...
July 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28577583/long-term-outcomes-of-cognitive-behavioral-therapy-for-adolescent-body-dysmorphic-disorder
#12
Georgina Krebs, Lorena Fernández de la Cruz, Benedetta Monzani, Laura Bowyer, Martin Anson, Jacinda Cadman, Isobel Heyman, Cynthia Turner, David Veale, David Mataix-Cols
Emerging evidence suggests that cognitive-behavioral therapy (CBT) is an efficacious treatment for adolescent body dysmorphic disorder (BDD) in the short term, but longer-term outcomes remain unknown. The current study aimed to follow up a group of adolescents who had originally participated in a randomized controlled trial of CBT for BDD to determine whether treatment gains were maintained. Twenty-six adolescents (mean age = 16.2, SD = 1.6) with a primary diagnosis of BDD received a course of developmentally tailored CBT and were followed up over 12 months...
July 2017: Behavior Therapy
https://www.readbyqxmd.com/read/28566342/predictors-of-clinical-recovery-from-concussion-a-systematic-review
#13
REVIEW
Grant L Iverson, Andrew J Gardner, Douglas P Terry, Jennie L Ponsford, Allen K Sills, Donna K Broshek, Gary S Solomon
OBJECTIVE: A systematic review of factors that might be associated with, or influence, clinical recovery from sport-related concussion. Clinical recovery was defined functionally as a return to normal activities, including school and sports, following injury. DESIGN: Systematic review. DATA SOURCES: PubMed, PsycINFO, MEDLINE, CINAHL, Cochrane Library, EMBASE, SPORTDiscus, Scopus and Web of Science. ELIGIBILITY CRITERIA FOR SELECTING STUDIES: Studies published by June of 2016 that addressed clinical recovery from concussion...
June 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28545799/the-relationship-of-the-perceived-impact-of-the-current-greek-recession-with-increased-suicide-risk-is-moderated-by-mental-illness-in-patients-with-long-term-conditions
#14
Elisavet Ntountoulaki, Vassiliki Paika, Dimitra Papaioannou, Elspeth Guthrie, Konstantinos Kotsis, Konstantinos N Fountoulakis, Andre F Carvalho, Thomas Hyphantis
OBJECTIVE: Adverse life events may contribute to the emergence of suicidality. We aimed to test the relationship between the impact of the Greek recession and suicidal risk in people with long-term conditions (LTCs) and to determine whether this relationship is moderated by the presence of a mental disorder. METHODS: Suicidal risk (RASS) and crisis parameters were assessed in a cross-sectional survey including 376 patients with LTCs (type-II diabetes mellitus, rheumatological disorders and chronic obstructive pulmonary disease) attending the Emergency Department or specialty clinics...
May 2017: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/28544903/estrogen-receptor-%C3%AE-deficiency-impairs-bdnf-5-ht2a-signaling-in-the-hippocampus-of-female-brain-a-possible-mechanism-for-menopausal-depression
#15
Anindit Chhibber, Sarah K Woody, M A Karim Rumi, Michael J Soares, Liqin Zhao
Depression currently affects 350 million people worldwide and 19 million Americans each year. Women are 2.5 times more likely to experience major depression than men, with some women appearing to be at a heightened risk during the menopausal transition. Estrogen signaling has been implicated in the pathophysiology of mood disorders including depression; however, the underlying mechanisms are poorly understood. In this study, the role of estrogen receptor (ER) subtypes, ERα and ERβ, in the regulation of brain-derived neurotrophic factor (BDNF) and serotonin (5-HT) signaling was investigated; two pathways that have been hypothesized to be interrelated in the etiology of depression...
May 18, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28537802/seasonal-pattern-in-bipolar-disorders-and-cardio-vascular-risk-factors-a-study-from-the-face-bd-cohort
#16
Pierre A Geoffroy, Ophelia Godin, Diane Mahee, Chantal Henry, Valérie Aubin, Jean-Michel Azorin, Thierry Bougerol, Philippe Courtet, Sébastien Gard, Jean-Pierre Kahn, Christine Passerieux, Marion Leboyer, Frank Bellivier, Bruno Etain
Seasonal pattern (SP) and metabolic syndrome (MetS) are major contributors to poor outcome in bipolar disorders (BD). Patients with seasonal bipolar depression present increased appetite, carbohydrate cravings, weight gain, and hypersomnia, which can increase the development of MetS. MetS also appears to be associated with seasonal mood changes in the general population. This study examines whether a SP in BD is associated with an increased risk of MetS and its sub-components. One thousand four hundred and seventy-one outpatients with BD were systematically enrolled from 2009 to 2016...
May 24, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28523546/histone-modifications-in-major-depressive-disorder-and-related-rodent-models
#17
Jan M Deussing, Mira Jakovcevski
Major depressive disorder (MDD) is a multifactorial disease, weakly linked to multiple genetic risk factors. In contrast to that, environmental factors and "gene × environment" interaction between specific risk genes and environmental factors, such as severe or early stress exposure, have been strongly linked to MDD vulnerability. Stressors can act on the interface between an organism and the environment, the epigenome. The molecular foundation for the impact of stressors on the risk to develop MDD is based on the hormonal stress response itself: the glucocorticoid receptor (GR, encoded by NR3C1)...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28506823/hyperammonemia-compromises-glutamate-metabolism-and-reduces-bdnf-in-the-rat-hippocampus
#18
Fabiana Galland, Elisa Negri, Carollina Da Ré, Fernanda Fróes, Liliane Strapazzon, Maria Cristina Guerra, Lucas Silva Tortorelli, Carlos-Alberto Gonçalves, Marina Concli Leite
Ammonia is putatively the major toxin associated with hepatic encephalopathy (HE), a neuropsychiatric manifestation that results in cognitive impairment, poor concentration and psychomotor alterations. The hippocampus, a brain region involved in cognitive impairment and depressive behavior, has been studied less than neocortical regions. Herein, we investigated hippocampal astrocyte parameters in a hyperammonemic model without hepatic lesion and in acute hippocampal slices exposed to ammonia. We also measured hippocampal BDNF, a neurotrophin commonly related to synaptic plasticity and cognitive deficit, and peripheral S100B protein, used as a marker for brain damage...
May 12, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28504561/sexual-violence-and-intimate-partner-violence-in-college-women-with-a-mental-health-and-or-behavior-disability
#19
Amy Bonomi, Emily Nichols, Rebecca Kammes, Troye Green
OBJECTIVES: We address questions about (1) how college women with a disability experience sexual violence (SV) and intimate partner violence (IPV) across partners, including disability-specific abuse and (2) how SV/IPV impacts psychological, behavioral, physical, and academic life domains. METHODS/DESIGN: Twenty-seven female college students (mean age, 21.2; 66.6% white; 66.6% heterosexual) were randomly sampled from university registrar records. To be eligible for the study, students had to have at least one experience of SV/IPV since age 18 and a disability (88...
May 15, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28491024/the-serotonin-transporter-and-early-life-stress-translational-perspectives
#20
REVIEW
Danielle J Houwing, Bauke Buwalda, Eddy A van der Zee, Sietse F de Boer, Jocelien D A Olivier
The interaction between the serotonin transporter (SERT) linked polymorphic region (5-HTTLPR) and adverse early life stressing (ELS) events is associated with enhanced stress susceptibility and risk to develop mental disorders like major depression, anxiety, and aggressiveness. In particular, human short allele carriers are at increased risk. This 5-HTTLPR polymorphism is absent in the rodent SERT gene, but heterozygous SERT knockout rodents (SERT(+/-)) show several similarities to the human S-allele carrier, therefore creating an animal model of the human situation...
2017: Frontiers in Cellular Neuroscience
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