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https://www.readbyqxmd.com/read/28277876/the-use-of-adjunctive-antipsychotics-to-treat-depression-in-uk-primary-care
#1
F X Lamy, D Saragoussi, M E Johnson, A Guiraud-Diawara, K T Jørgensen, J Y Loze, A Maguire
OBJECTIVE: Adjunctive antipsychotic therapy can be prescribed to patients with depression who have inadequate response to antidepressants. This study aimed to describe the use of adjunctive antipsychotics over a time period that includes the authorization in 2010 of prolonged-release quetiapine as the first adjunct antipsychotic to be used in major depressive disorder in the UK. RESEARCH DESIGN AND METHODS: Adults with an episode of depression between January 1, 2005 and July 31, 2013 were identified from antidepressant prescriptions and depression diagnoses in the UK Clinical Practice Research Datalink...
March 15, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28274209/mental-health-literacy-about-schizophrenia-and-depression-a-survey-among-chinese-caregivers-of-patients-with-mental-disorder
#2
Shubao Chen, Qiuxia Wu, Chang Qi, Huiqiong Deng, Xuyi Wang, Haoyu He, Jiang Long, Yifan Xiong, Tieqiao Liu
OBJECTIVE: To investigate the knowledge of schizophrenia and depression among caregivers of patients with mental disorder in China. METHOD: A convenience sample of 402 caregivers at the Department of Psychiatry of a general hospital in China was investigated (response rate 95.7%), using vignettes based investigation methodology. RESULTS: The number of caregivers using the term "depression" to describe the depression vignette was 43.6%, which was significantly higher than the number of caregivers using the term "schizophrenia" to describe the schizophrenia one (28...
March 9, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28270751/understanding-the-role-of-gpcr-heteroreceptor-complexes-in-modulating-the-brain-networks-in-health-and-disease
#3
REVIEW
Dasiel O Borroto-Escuela, Jens Carlsson, Patricia Ambrogini, Manuel Narváez, Karolina Wydra, Alexander O Tarakanov, Xiang Li, Carmelo Millón, Luca Ferraro, Riccardo Cuppini, Sergio Tanganelli, Fang Liu, Malgorzata Filip, Zaida Diaz-Cabiale, Kjell Fuxe
The introduction of allosteric receptor-receptor interactions in G protein-coupled receptor (GPCR) heteroreceptor complexes of the central nervous system (CNS) gave a new dimension to brain integration and neuropsychopharmacology. The molecular basis of learning and memory was proposed to be based on the reorganization of the homo- and heteroreceptor complexes in the postjunctional membrane of synapses. Long-term memory may be created by the transformation of parts of the heteroreceptor complexes into unique transcription factors which can lead to the formation of specific adapter proteins...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28265714/a-short-history-of-the-5-ht2c-receptor-from-the-choroid-plexus-to-depression-obesity-and-addiction-treatment
#4
REVIEW
Jose M Palacios, Angel Pazos, Daniel Hoyer
This paper is a personal account on the discovery and characterization of the 5-HT2C receptor (first known as the 5-HT1C receptor) over 30 years ago and how it translated into a number of unsuspected features for a G protein-coupled receptor (GPCR) and a diversity of clinical applications. The 5-HT2C receptor is one of the most intriguing members of the GPCR superfamily. Initially referred to as 5-HT1CR, the 5-HT2CR was discovered while studying the pharmacological features and the distribution of [(3)H]mesulergine-labelled sites, primarily in the brain using radioligand binding and slice autoradiography...
March 7, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28256473/antidepressant-anxiolytic-activities-of-n-pyridin-3-yl-quinoxalin-2-carboxamide-a-novel-serotonin-type-3-receptor-antagonist-in-behavioural-animal-models
#5
Dilip Kumar Pandey, Thangraj Devadoss, Neha Modak, Radhakrishnan Mahesh
BACKGROUND & OBJECTIVES: Alteration in the serotonin leads to the psychological illness, such as depression, anxiety, schizophrenia, eating disorders, obsessive-compulsive disorder, panic disorders and migraines. The objective of the current study was to investigate the antidepressant and anxiolytic activities of N-(pyridin-3-yl) quinoxalin-2-carboxamide (QCF-21), a novel 5-HT3receptor antagonist in preclinical models of depression and anxiety. METHODS: Antidepressant activity was evaluated in preliminary tests such as forced swim and tail suspension tests (FST & TST)...
October 2016: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/28238173/chronic-low-grade-peripheral-inflammation-is-associated-with-severe-nicotine-dependence-in-schizophrenia-results-from-the-national-multicentric-face-sz-cohort
#6
G Fond, F Berna, M Andrianarisoa, O Godin, M Leboyer, L Brunel, B Aouizerate, D Capdevielle, I Chereau, T D'Amato, H Denizot, C Dubertret, J Dubreucq, C Faget, F Gabayet, P M Llorca, J Mallet, D Misdrahi, C Passerieux, R Richieri, R Rey, A Schandrin, M Urbach, P Vidailhet, L Boyer, F Schürhoff
Chronic peripheral inflammation (CPI) has been associated with cognitive impairment in schizophrenia (SZ). However, its sources remain unclear, more specifically it is not known whether tobacco smoking is a source of inflammation or not in SZ subjects. Moreover, nicotine (NIC), the major psychoactive compound of tobacco, shows strong anti-inflammatory properties in vitro, as well as inducing a severe biological dependence when administered repeatedly. The objective of the present study was to determine if CPI was associated with tobacco smoking and/or NIC dependence in schizophrenia...
February 25, 2017: European Archives of Psychiatry and Clinical Neuroscience
https://www.readbyqxmd.com/read/28229240/microglia-in-the-dorsal-raphe-nucleus-plays-a-potential-role-in-both-suicide-facilitation-and-prevention-in-affective-disorders
#7
Ralf Brisch, Johann Steiner, Christian Mawrin, Marta Krzyżanowska, Zbigniew Jankowski, Tomasz Gos
An involvement of the central serotonergic system has constantly been reported in the pathogenesis of suicide. The dorsal raphe nucleus (DRN) is the main source of serotonergic innervation of forebrain limbic structures disturbed in suicidal behaviour, in which an abnormal microglia reaction seems to play a role. In our present study, the density of microglia immunostained for the HLA-DR antigen was evaluated in the DRN. These analyses were carried out on paraffin-embedded brains from 24 suicidal and 21 non-suicidal patients; among them, 27 depressed (15 major depressive disorder and 12 bipolar disorder) and 18 schizophrenia (9 residual and 9 paranoid) patients and 22 matched controls without mental disorders...
February 22, 2017: European Archives of Psychiatry and Clinical Neuroscience
https://www.readbyqxmd.com/read/28228056/brexpiprazole
#8
Marija Markovic, Alyssa Gallipani, Krina H Patel, Megan Maroney
OBJECTIVE: To review the pharmacology and clinical data for brexpiprazole in schizophrenia and major depressive disorder (MDD). DATA SOURCES: An English-language literature search using PubMed and MEDLINE was performed using the term brexpiprazole. All articles containing human clinical trial data published up to September 2016 were evaluated for inclusion as well as information from the manufacturer's product labeling. STUDY SELECTION/DATA EXTRACTION: Phase 3 trials for brexpiprazole were evaluated...
April 2017: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/28220613/comparison-of-treatment-patterns-in-schizophrenia-between-china-and-japan-2001-2009
#9
Yu-Tao Xiang, Takahiro A Kato, Taishiro Kishimoto, Gabor S Ungvari, Helen F K Chiu, Tian-Mei Si, Shu-Yu Yang, Senta Fujii, Chee H Ng, Naotaka Shinfuku
INTRODUCTION: To date no study has compared the treatment patterns for schizophrenia specifically between China and Japan. This study examined the cross-national differences in the use of psychotropic drugs and electroconvulsive therapy (ECT) in schizophrenia. METHOD: Data on 3248 schizophrenia inpatients (n = 1524 in China and n = 1724 in Japan) were collected by either chart review or interviews during the designated 3 study periods between 2001 and 2009. Patients' socio-demographic and clinical characteristics, prescriptions of psychotropic drugs, and ECT use were recorded using a standardized protocol and data collection procedure...
February 20, 2017: Asia-Pacific Psychiatry: Official Journal of the Pacific Rim College of Psychiatrists
https://www.readbyqxmd.com/read/28190661/the-novel-antipsychotic-drug-brexpiprazole-alone-and-in-combination-with-escitalopram-facilitates-prefrontal-glutamatergic-transmission-via-a-dopamine-d1-receptor-dependent-mechanism
#10
Carl Björkholm, Monica M Marcus, Åsa Konradsson-Geuken, Kent Jardemark, Torgny H Svensson
Brexpiprazole (Rexulti(®)), a novel D2/3 receptor (R) partial agonist, was recently approved as monotherapy for schizophrenia, demonstrating effectiveness against both positive and negative symptoms, and also approved as add-on treatment to antidepressant drugs, inducing a potent antidepressant effect with a faster onset compared to an antidepressant given alone. Moreover, brexpiprazole has demonstrated pro-cognitive effects in preclinical studies. To explore whether the observed effects may be mediated via modulation of prefrontal glutamatergic transmission, we investigated the effect of brexpiprazole, alone and in combination with the SSRI escitalopram, on prefrontal glutamatergic transmission using in vitro electrophysiological intracellular recordings of deep layer pyramidal cells of the rat medial prefrontal cortex (mPFC)...
February 9, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28159590/pharmacogenetics-of-antidepressant-response-a-polygenic-approach
#11
Judit García-González, Katherine E Tansey, Joanna Hauser, Neven Henigsberg, Wolfgang Maier, Ole Mors, Anna Placentino, Marcella Rietschel, Daniel Souery, Tina Žagar, Piotr M Czerski, Borut Jerman, Henriette N Buttenschøn, Thomas G Schulze, Astrid Zobel, Anne Farmer, Katherine J Aitchison, Ian Craig, Peter McGuffin, Michel Giupponi, Nader Perroud, Guido Bondolfi, David Evans, Michael O'Donovan, Tim J Peters, Jens R Wendland, Glyn Lewis, Shitij Kapur, Roy Perlis, Volker Arolt, Katharina Domschke, Gerome Breen, Charles Curtis, Lee Sang-Hyuk, Carol Kan, Stephen Newhouse, Hamel Patel, Bernhard T Baune, Rudolf Uher, Cathryn M Lewis, Chiara Fabbri
BACKGROUND: Major depressive disorder (MDD) has a high personal and socio-economic burden and >60% of patients fail to achieve remission with the first antidepressant. The biological mechanisms behind antidepressant response are only partially known but genetic factors play a relevant role. A combined predictor across genetic variants may be useful to investigate this complex trait. METHODS: Polygenic risk scores (PRS) were used to estimate multi-allelic contribution to: 1) antidepressant efficacy; 2) its overlap with MDD and schizophrenia...
April 3, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28120487/adjunctive-antidepressant-use-in-schizophrenia-in-china-a-national-survey-2002-2012
#12
Qian Li, Yun-Ai Su, Yu-Tao Xiang, Liang Shu, Xin Yu, Gabor S Ungvari, Chee H Ng, Helen F K Chiu, Yu-Ping Ning, Gao-Hua Wang, Ke-Rang Zhang, Tao Li, Li-Zhong Sun, Jian-Guo Shi, Xian-Sheng Chen, Qi-Yi Mei, Ke-Qing Li, Tian-Mei Si
OBJECTIVE: This study examined the pattern of adjunctive antidepressant use in schizophrenia patients and its demographic and clinical correlates in a nationwide survey in China. METHODS: Fourteen thousand and thirteen patients in 45 Chinese psychiatric hospitals or centers were interviewed (4,486 in 2002, 5,288 in 2006, and 4,239 in 2012). Patients' sociodemographic and clinical characteristics were recorded using a standardized protocol and data collection procedure...
January 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/28103521/sexually-dimorphic-deficits-of-prepulse-inhibition-in-patients-with-major-depressive-disorder-and-their-relationship-to-symptoms-a-large-single-ethnicity-study
#13
Junko Matsuo, Miho Ota, Shinsuke Hidese, Hiroaki Hori, Toshiya Teraishi, Ikki Ishida, Moeko Hiraishi, Hiroshi Kunugi
BACKGROUND: Sensorimotor gating deficits as measured by prepulse inhibition (PPI) of acoustic startle reflex have been repeatedly observed in patients with schizophrenia. However, studies investigating PPI in patients with major depressive disorder (MDD) are scarce, and this issue remains to be elucidated. METHODS: Subjects were 221 patients with MDD and 250 age-matched healthy comparison subjects. Depressive symptoms were assessed by the 21-item version of the Hamilton Depression Rating Scale (HAM-D21), and the scores were divided into six factors...
March 15, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28096176/reduced-all-cause-mortality-with-antipsychotics-and-antidepressants-compared-to-increased-all-cause-mortality-with-benzodiazepines-in-patients-with-schizophrenia-observed-in-naturalistic-treatment-settings
#14
https://www.readbyqxmd.com/read/28087837/off-target-effects-of-neuroleptics-and-antidepressants-on-saccharomyces-cerevisiae
#15
M Caldara, S Graziano, M Gullì, S Cadonici, Nelson Marmiroli
Over the past years, the use of antidepressants and neuroleptics has steadily increased. Although incredibly useful to treat disorders like depression, schizophrenia, epilepsy, or mental retardation, these drugs display many side effects. Toxicogenomic studies aim to limit this problem by trying to identify cellular targets and off-targets of medical compounds. The baker yeast Saccharomyces cerevisiae has been shown to be a key player in this approach, as it represents an incredible toolbox for the dissection of complex biological processes...
January 13, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28049075/abnormal-brain-oscillations-persist-after-recovery-from-bipolar-depression
#16
P Canali, S Casarotto, M Rosanova, G Sferrazza-Papa, A G Casali, O Gosseries, M Massimini, E Smeraldi, C Colombo, F Benedetti
When directly perturbed in healthy subjects, premotor cortical areas generate electrical oscillations in the beta range (20-40Hz). In schizophrenia, major depressive disorder and bipolar disorder (BD), these oscillations are markedly reduced, in terms of amplitude and frequency. However, it still remains unclear whether these abnormalities can be modulated over time, or if they can be still observed after treatment. Here, we employed transcranial magnetic stimulation (TMS) combined with EEG to assess the frontal oscillatory activity in eighteen BD patients before/after antidepressant treatments (sleep deprivation and light therapy), relative to nine healthy controls...
March 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/28011708/more-actions-needed-to-reach-a-consensus-on-adjunctive-antidepressant-therapy-for-negative-symptoms-of-schizophrenia
#17
Shahin Akhondzadeh, Ehsan Moazen-Zadeh
No abstract text is available yet for this article.
December 23, 2016: Evidence-based Mental Health
https://www.readbyqxmd.com/read/27984260/persistent-interictal-musical-hallucination-in-a-patient-with-mesial-temporal-sclerosis-related-epilepsy-first-case-report-and-etiopathological-hypothesis
#18
Paolo Borelli, Marcella Vedovello, Massimiliano Braga, Massimo Pederzoli, Sandro Beretta
Musical hallucination is a disorder of complex sound processing of instrumental music, songs, choirs, chants, etc. The underlying pathologies include moderate to severe acquired hearing loss (the auditory equivalent of Charles Bonnet syndrome), psychiatric illnesses (depression, schizophrenia), drug intoxication (benzodiazepines, salicylate, pentoxifylline, propranolol), traumatic lesions along the acoustic pathways, and epilepsy. The hallucinations are most likely to begin late in life; 70% of patients are women...
December 2016: Cognitive and Behavioral Neurology: Official Journal of the Society for Behavioral and Cognitive Neurology
https://www.readbyqxmd.com/read/27932945/monoaminergic-and-histaminergic-strategies-and-treatments-in-brain-diseases
#19
REVIEW
Giuseppe Di Giovanni, Dubravka Svob Strac, Montse Sole, Mercedes Unzeta, Keith F Tipton, Dorotea Mück-Šeler, Irene Bolea, Laura Della Corte, Matea Nikolac Perkovic, Nela Pivac, Ilse J Smolders, Anna Stasiak, Wieslawa A Fogel, Philippe De Deurwaerdère
The monoaminergic systems are the target of several drugs for the treatment of mood, motor and cognitive disorders as well as neurological conditions. In most cases, advances have occurred through serendipity, except for Parkinson's disease where the pathophysiology led almost immediately to the introduction of dopamine restoring agents. Extensive neuropharmacological studies first showed that the primary target of antipsychotics, antidepressants, and anxiolytic drugs were specific components of the monoaminergic systems...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/27922594/cacna1c-in-the-prefrontal-cortex-regulates-depression-related-behaviors-via-redd1
#20
Zeeba D Kabir, Anni S Lee, Caitlin E Burgdorf, Delaney Fischer, Aditi M Rajadhyaksha, Ethan Mok, Bryant Rizzo, Richard C Rice, Kamalpreet Singh, Kristie T Ota, Danielle M Gerhard, Kathryn C Schierberl, Michael Glass, Ronald S Duman, Anjali M Rajadhyaksha
The CACNA1C gene that encodes the L-type Ca(2+) channel (LTCC) Cav1.2 subunit has emerged as a candidate risk gene for multiple neuropsychiatric disorders including bipolar disorder, major depressive disorder and schizophrenia, all marked with depression-related symptoms. Although cacna1c heterozygous (HET) mice have been previously reported to exhibit an antidepressant-like phenotype, the molecular and circuit-level dysfunction remains unknown. Here we report that viral vector-mediated deletion of cacna1c in the adult prefrontal cortex (PFC) of mice recapitulates the antidepressant-like effect observed in cacna1c HET mice using the sucrose preference test (SPT), the forced swim test (FST), and the tail suspension test (TST)...
December 6, 2016: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
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