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Depression in schizophrenia

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https://www.readbyqxmd.com/read/28718181/erythropoietin-for-cognitive-deficits-associated-with-schizophrenia-bipolar-disorder-and-major-depression-a-systematic-review
#1
Xian-Bin Li, Wei Zheng, Yu-Ping Ning, Dong-Bin Cai, Xin-Hu Yang, Gabor S Ungvari, Chee H Ng, Chuan-Yue Wang, Yu-Tao Xiang
Introduction The purpose of this study is to systematically review the efficacy and safety of adjunctive erythropoietin (EPO) in treating cognitive deficits associated with schizophrenia, bipolar disorder, and major depression based on randomized controlled trials (RCTs). Methods Two evaluators independently and systematically searched and selected studies, extracted data, and conducted quality assessment. Results Four RCTs with 144 patients (71 in the EPO group and 73 in the placebo group) met the study entry criteria...
July 17, 2017: Pharmacopsychiatry
https://www.readbyqxmd.com/read/28716128/tobacco-dependence-among-people-with-mental-illness-a-facility-based-cross-sectional-study-from-southwest-ethiopia
#2
Zemenay Molla, Lamesa Dube, Wolfgang Krahl, Matiwos Soboka
BACKGROUND: Tobacco smoking is a health care issue in developed as well as in developing countries. Tobacco smoking among people with mental illness is significantly higher than in the general population. Tobacco smoking has negative effects on physical, mental and financial well-being of people with mental illness but little is known about tobacco dependence among mental health service users in sub-Saharan African countries, including Ethiopia. Therefore, this study attempted to assess the prevalence of tobacco dependence and associated factors among mental health service users at Jimma University teaching hospital...
July 17, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28714081/combining-two-model-systems-of-psychosis-the-effects-of-schizotypy-and-sleep-deprivation-on-oculomotor-control-and-psychotomimetic-states
#3
Inga Meyhöfer, Maria Steffens, Eliana Faiola, Anna-Maria Kasparbauer, Veena Kumari, Ulrich Ettinger
Model systems of psychosis, such as schizotypy or sleep deprivation, are valuable in informing our understanding of the etiology of the disorder and aiding the development of new treatments. Schizophrenia patients, high schizotypes, and sleep-deprived subjects are known to share deficits in oculomotor biomarkers. Here, we aimed to further validate the schizotypy and sleep deprivation models and investigated, for the first time, their interactive effects on smooth pursuit eye movements (SPEM), prosaccades, antisaccades, predictive saccades, and measures of psychotomimetic states, anxiety, depression, and stress...
July 17, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28713243/synaptic-interactome-mining-reveals-p140cap-as-a-new-hub-for-psd-proteins-involved-in-psychiatric-and-neurological-disorders
#4
Annalisa Alfieri, Oksana Sorokina, Annie Adrait, Costanza Angelini, Isabella Russo, Alessandro Morellato, Michela Matteoli, Elisabetta Menna, Elisabetta Boeri Erba, Colin McLean, J Douglas Armstrong, Ugo Ala, Joseph D Buxbaum, Alfredo Brusco, Yohann Couté, Silvia De Rubeis, Emilia Turco, Paola Defilippi
Altered synaptic function has been associated with neurological and psychiatric conditions including intellectual disability, schizophrenia and autism spectrum disorder (ASD). Amongst the recently discovered synaptic proteins is p140Cap, an adaptor that localizes at dendritic spines and regulates their maturation and physiology. We recently showed that p140Cap knockout mice have cognitive deficits, impaired long-term potentiation (LTP) and long-term depression (LTD), and immature, filopodia-like dendritic spines...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28712967/clinical-utility-of-the-calgary-depression-scale-for-schizophrenia-in-individuals-at-ultra-high-risk-of-psychosis
#5
Gurpreet Rekhi, Wai Yee Ng, Jimmy Lee
There is a pressing need for reliable and valid rating scales to assess and measure depression in individuals at ultra-high risk (UHR) of psychosis. The aim of this study was to examine the clinical utility of the Calgary Depression Scale for Schizophrenia (CDSS) in individuals at UHR of psychosis. 167 individuals at UHR of psychosis were included as participants in this study. The Structured Clinical Interview for DSM-IV Axis I Disorders, CDSS, Beck Anxiety Inventory and Global Assessment of Functioning were administered...
July 13, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28711473/interaction-of-reelin-and-stress-on-immobility-in-the-forced-swim-test-but-not-dopamine-mediated-locomotor-hyperactivity-or-prepulse-inhibition-disruption-relevance-to-psychotic-and-mood-disorders
#6
Michael J Notaras, Billie Vivian, Carey Wilson, Maarten van den Buuse
RATIONALE: Psychotic disorders, such as schizophrenia, as well as some mood disorders, such as bipolar disorder, have been suggested to share common biological risk factors. One such factor is reelin, a large extracellular matrix glycoprotein that regulates neuronal migration during development as well as numerous activity-dependent processes in the adult brain. The current study sought to evaluate whether a history of stress exposure interacts with endogenous reelin levels to modify behavioural endophenotypes of relevance to psychotic and mood disorders...
July 13, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28705767/common-and-distinct-dysfunctional-patterns-contribute-to-triple-network-model-in-schizophrenia-and-depression-a-preliminary-study
#7
Yuchao Jiang, Mingjun Duan, Xi Chen, Xin Chang, Hui He, YingJia Li, Cheng Luo, Dezhong Yao
BACKGROUND: Schizophrenia (SCH) and depression (DEP) are prevalent psychiatric disorders and share common and distinguished elements in their pathophysiology. A triple network model composed of the default mode network (DMN), salience network (SN) and central executive network (CEN) may represent a major abnormality across several psychiatric disorders including SCH and DEP. However, common and distinct dysfunctional patterns between SCH and DEP across three core networks remain unclear...
July 10, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28704275/agonist-e-6837-and-antagonist-sb-271046-of-5-ht6-receptors-both-reverse-the-depressive-like-effect-induced-in-mice-by-subchronic-ketamine-administration
#8
José E Suárez-Santiago, Alfredo Briones-Aranda, Judith Espinosa-Raya, Ofir Picazo
Major depression is one of the most common affective disorders caused by schizophrenia. The administration of N-methyl-D-aspartate receptor antagonists, such as ketamine, can reproduce the negative and affective symptoms of this disorder in animals. Preclinical studies have shown that 5-HT6 receptor (5-HT6R) agonists and antagonists have a considerable antipsychotic response. The aim of the present study was to evaluate the effect of an acute treatment with an agonist, E-6837, and an antagonist, SB-271046, of 5-HT6R on the immobility induced in mice by a subchronic ketamine regimen (5 days; 10 mg/kg/day, intraperitoneal)...
July 12, 2017: Behavioural Pharmacology
https://www.readbyqxmd.com/read/28701275/is-going-into-stable-symptomatic-remission-associated-with-a-more-positive-development-of-life-satisfaction-a-10-year-follow-up-study-of-first-episode-psychosis
#9
Erlend Strand Gardsjord, Kristin Lie Romm, Jan Ivar Røssberg, Svein Friis, Helene Eidsmo Barder, Julie Evensen, Ulrik Haahr, Wenche Ten Velden Hegelstad, Inge Joa, Jan Olav Johannessen, Johannes Langeveld, Tor Ketil Larsen, Stein Opjordsmoen, Bjørn Rishovd Rund, Erik Simonsen, Per Vaglum, Thomas McGlashan, Ingrid Melle
BACKGROUND: Quality of life is an important outcome measure for patients with psychosis. We investigated whether going into stable symptomatic remission is associated with a more positive development of subjective quality of life (S-QoL) and if different patient characteristics are associated with S-QoL depending on remission status. METHODS: Three hundred and one patients with a first-episode psychosis were included at baseline. At 10-year follow-up 186 were reassessed...
July 9, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28699511/striatal-enriched-tyrosine-protein-phosphatase-step-in-the-mechanisms-of-depressive-disorders
#10
Elizabeth Kulikova, Alexander Kulikov
Striatal-enriched tyrosine protein phosphatase (STEP) is expressed mainly in the brain. Its dysregulation is associated with Alzheimer's and Huntington's diseases, schizophrenia, fragile X syndrome, drug abuse and stroke/ischemia. However, an association between STEP and depressive disorders is still obscure. The review discusses the theoretical foundations and experimental facts concerning possible relationship between STEP dysregulation and depression risk. STEP dephosphorylates and inactivates several key neuronal signaling proteins such as extracellular signal-regulating kinase 1 and 2 (ERK1/2), stress activated protein kinases p38, the Src family tyrosine kinases Fyn, Pyk2, NMDA and AMPA glutamate receptors...
July 10, 2017: Current Protein & Peptide Science
https://www.readbyqxmd.com/read/28697889/somatostatin-positive-gamma-aminobutyric-acid-interneuron-deficits-in-depression-cortical-microcircuit-and-therapeutic-perspectives
#11
REVIEW
Corey Fee, Mounira Banasr, Etienne Sibille
The functional integration of external and internal signals forms the basis of information processing and is essential for higher cognitive functions. This occurs in finely tuned cortical microcircuits whose functions are balanced at the cellular level by excitatory glutamatergic pyramidal neurons and inhibitory gamma-aminobutyric acidergic (GABAergic) interneurons. The balance of excitation and inhibition, from cellular processes to neural network activity, is characteristically disrupted in multiple neuropsychiatric disorders, including major depressive disorder (MDD), bipolar disorder, anxiety disorders, and schizophrenia...
June 8, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/28697856/demographic-and-clinical-correlates-of-substance-use-disorders-in-first-episode-psychosis
#12
Mary F Brunette, Kim T Mueser, Steven Babbin, Piper Meyer-Kalos, Robert Rosenheck, Christoph U Correll, Corrine Cather, Delbert G Robinson, Nina R Schooler, David L Penn, Jean Addington, Sue E Estroff, Jennifer Gottlieb, Shirley M Glynn, Patricia Marcy, James Robinson, John M Kane
BACKGROUND: We assessed the prevalence and correlates of lifetime substance use disorders in people with first episode psychosis using the baseline data from the Recovery After an Initial Schizophrenia Episode (RAISE) Early Treatment Program study. METHODS: Research staff assessed 404 first episode patients at 34 community mental health centers across the United States with the Structured Clinical Interview for DSM-IV for diagnoses of psychotic and substance use disorders...
July 8, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28696432/cross-disorder-risk-gene-cacna1c-differentially-modulates-susceptibility-to-psychiatric-disorders-during-development-and-adulthood
#13
N Dedic, M L Pöhlmann, J S Richter, D Mehta, D Czamara, M W Metzger, J Dine, B T Bedenk, J Hartmann, K V Wagner, A Jurik, L M Almli, A Lori, S Moosmang, F Hofmann, C T Wotjak, G Rammes, M Eder, A Chen, K J Ressler, W Wurst, M V Schmidt, E B Binder, J M Deussing
Single-nucleotide polymorphisms (SNPs) in CACNA1C, the α1C subunit of the voltage-gated L-type calcium channel Cav1.2, rank among the most consistent and replicable genetics findings in psychiatry and have been associated with schizophrenia, bipolar disorder and major depression. However, genetic variants of complex diseases often only confer a marginal increase in disease risk, which is additionally influenced by the environment. Here we show that embryonic deletion of Cacna1c in forebrain glutamatergic neurons promotes the manifestation of endophenotypes related to psychiatric disorders including cognitive decline, impaired synaptic plasticity, reduced sociability, hyperactivity and increased anxiety...
July 11, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28694625/does-gender-influence-electroconvulsive-therapy-sessions-required-across-psychiatric-diagnoses-a-5-year-experience-from-a-single-center
#14
Harshini Manohar, Karthick Subramanian, Vikas Menon, Shivanand Kattimani
CONTEXT: There is a paucity of systematic data reflecting the practice of electroconvulsive therapy (ECT) from developing countries. AIM: We aimed to identify the number of ECT sessions required to yield response and gender diffeferences in the number of sessions across various diagnostic categories. SETTING AND DESIGN: A record-based study from a teaching cum tertiary care hospital in South India. SUBJECTS AND METHODS: Case records of patients who received modified ECT from January 2011 to January 2016 were reviewed...
July 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/28693755/unraveling-interrelationships-among-psychopathology-symptoms-cognitive-domains-and-insight-dimensions-in-chronic-schizophrenia
#15
Rose Mary Xavier, Wei Pan, Jennifer R Dungan, Richard S E Keefe, Allison Vorderstrasse
INTRODUCTION: Insight in schizophrenia is long known to have a complex relationship with psychopathology symptoms and cognition. However, very few studies have examined models that explain these interrelationships. METHODS: In a large sample derived from the NIMH Clinical Antipsychotic Trials of Intervention Effectiveness (CATIE) schizophrenia trial (N=1391), we interrogated these interrelationships for potential causal pathways using structural equation modeling...
July 7, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28691768/microbiome-inflammation-epigenetic-alterations-and-mental-diseases
#16
REVIEW
Reza Alam, Hamid M Abdolmaleky, Jin-Rong Zhou
Major mental diseases such as autism, bipolar disorder, schizophrenia, and major depressive disorder are debilitating illnesses with complex etiologies. Recent findings show that the onset and development of these illnesses cannot be well described by the one-gene; one-disease approach. Instead, their clinical presentation is thought to result from the regulative interplay of a large number of genes. Even though the involvement of many genes are likely, up regulating and activation or down regulation and silencing of these genes by the environmental factors play a crucial role in contributing to their pathogenesis...
July 10, 2017: American Journal of Medical Genetics. Part B, Neuropsychiatric Genetics
https://www.readbyqxmd.com/read/28691522/the-rate-of-mental-health-service-use-in-new-zealand-as-analysed-by-ethnicity
#17
Rees Tapsell, Charlene Hallett, Graham Mellsop
OBJECTIVES: To compare by ethnicity the rates of apparent new referrals and admissions to mental health services for selected major diagnostic groupings. METHOD: Using a Ministry of Health database covering all referrals and admissions to New Zealand's Mental Health services in 2014 and who had not been patients in the preceding six years, population adjusted rates of presentation were calculated and compared across the two major New Zealand ethnic groupings. RESULTS: Population corrected rates of apparently new cases of schizophrenia are more than twice as common in Māori as in non-Māori...
July 1, 2017: Australasian Psychiatry: Bulletin of Royal Australian and New Zealand College of Psychiatrists
https://www.readbyqxmd.com/read/28690204/depressive-anxiety-and-hypomanic-symptoms-in-schizophrenia-may-be-driven-by-tryptophan-catabolite-trycat-patterning-of-iga-and-igm-responses-directed-to-trycats
#18
Buranee Kanchanatawan, Sunee Sirivichayakul, André F Carvalho, George Anderson, Piotr Galecki, Michael Maes
The aim of this study was to delineate the associations between the tryptophan catabolite (TRYCAT) pathway and affective symptoms in schizophrenia. Towards this end we measured immunoglobulin (Ig)A and IgM responses to relatively noxious TRYCATs, namely quinolinic (QA), xanthurenic (XA), picolinic (PA) acid and 3-OH-kynurenine (3HK), and generally protective TRYCATs, namely anthranilic (AA) and kynurenic (KA) acid in 80 patients with schizophrenia and 40 healthy controls. The Hamilton Rating Scale for Depression (HDRS) and anxiety (HAMA), Young Mania Rating Scale (YMRS) as well as the Positive and Negative Symptoms Scale of Schizophrenia (PANSS) were measured...
July 6, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28690019/evaluation-of-the-benefits-of-exercise-on-cognition-in-major-depressive-disorder
#19
REVIEW
Tracy L Greer, Jennifer L Furman, Madhukar H Trivedi
BACKGROUND: Cognitive impairment is increasingly recognized as a significant symptom in patients with major depressive disorder (MDD). While exercise is already recommended in many treatment guidelines for patients with MDD and has been shown to improve cognition in other disorders (e.g., Alzheimer's, Parkinson's, schizophrenia), limited research is available evaluating the effect of exercise on cognition in MDD. METHODS: We provide a narrative review of existing literature regarding the effect(s) of exercise on cognition across several neurodegenerative and psychiatric diseases, and particularly in MDD, with specific emphasis on study design and methodology that may impair adequate synthesis of the results...
July 6, 2017: General Hospital Psychiatry
https://www.readbyqxmd.com/read/28689143/glial-cell-line-derived-neurotrophic-factor-gdnf-serum-level-in-women-with-schizophrenia-and-depression-correlation-with-clinical-and-metabolic-parameters
#20
Maria Skibinska, Pawel Kapelski, Joanna Pawlak, Aleksandra Rajewska-Rager, Monika Dmitrzak-Weglarz, Aleksandra Szczepankiewicz, Piotr Czerski, Joanna Twarowska-Hauser
AIM: Neurotrophic factors have been implicated in neuropsychiatric disorders, including schizophrenia and depression. Glial Cell Line-Derived Neurotrophic Factor (GDNF) promotes development, differentiation, and protection of dopaminergic, serotonergic, GABAergic and noradrenergic neurons as well as glial cells in different brain regions. This study examined serum levels of GDNF in schizophrenia and depression and its correlation with metabolic parameters during 8 weeks of treatment. METHODS: Serum GDNF level, fasting serum glucose and lipid profile were measured at baseline and week 8 in 133 women: 55 with schizophrenia, 30 with a first episode depression and 48 healthy controls...
July 6, 2017: Psychiatry Research
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