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European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology

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https://www.readbyqxmd.com/read/28822602/time-dependent-role-of-prefrontal-cortex-and-hippocampus-on-cognitive-improvement-by-aripiprazole-in-olfactory-bulbectomized-mice
#1
Kohei Takahashi, Osamu Nakagawasai, Wataru Nemoto, Takayo Odaira, Yuichiro Arai, Tadashi Hisamitsu, Koichi Tan-No
Dopamine (DA) modulates cognitive functions in the prefrontal cortex (PFC) and hippocampus. Olfactory bulbectomy (OBX) in mice induces cognitive dysfunctions. Recently, we reported that aripiprazole (ARI) normalizes the behavioral hyper-responsivity to DA agonists in OBX mice. However, it remains unclear whether ARI affects OBX-induced cognitive dysfunctions. To address this question we evaluated ARI-treated and untreated OBX mice in a passive avoidance test. Then, we investigated the effects of ARI on cell proliferation in the hippocampal dentate gyrus by immunohistochemistry, and on c-fos levels in the PFC and hippocampus, as well as nerve growth factor (NGF) levels in the hippocampus by western blotting...
August 16, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28811068/a-positron-emission-tomography-study-of-the-serotonergic-system-in-relation-to-anxiety-in-depression
#2
Zafer Iscan, Gopalkumar Rakesh, Samantha Rossano, Jie Yang, Mengru Zhang, Jeffrey Miller, Gregory M Sullivan, Priya Sharma, Matthew McClure, Maria A Oquendo, J John Mann, Ramin V Parsey, Christine DeLorenzo
Symptoms of anxiety are highly comorbid with major depressive disorder (MDD) and are known to alter the course of the disease. To help elucidate the biological underpinnings of these prevalent disorders, we previously examined the relationship between components of anxiety (somatic, psychic and motoric) and serotonin 1A receptor (5-HT1A) binding in MDD and found that higher psychic and lower somatic anxiety was associated with greater 5-HT1A binding. In this work, we sought to examine the correlation between these anxiety symptom dimensions and 5-HTT binding...
August 12, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28807619/neuroplasticity-related-mechanisms-underlying-the-antidepressant-like-effects-of%C3%A2-traditional-herbal-medicines
#3
REVIEW
Yafit Hirshler, Ravid Doron
Traditional herbal medicine can offer efficacious and safe alternative pharmacotherapies for depression. The ability of an herbal medicine to produce neuroadaptive processes, that enhance neuroplasticity and cellular resilience in response to chronic stress, may point to its antidepressant potential. We suggest that among many investigated herbal medicines, those that can enhance neuroplasticity may have stronger therapeutic potential. The current article presents a summary of traditional herbal medicines, which are thought to exert antidepressant-like effects in chronic stress models via neuroplasticity enhancement...
August 11, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28774705/serotonin-transporter-gene-promoter-methylation-in-peripheral-cells-in-healthy-adults-neural-correlates-and-tissue-specificity
#4
Elmira Ismaylova, Jessica Di Sante, Moshe Szyf, Zsofia Nemoda, Wei-Jo Yu, Florence B Pomares, Gustavo Turecki, Gabriella Gobbi, Frank Vitaro, Richard E Tremblay, Linda Booij
Early adversity can influence gene expression via epigenetic mechanisms, including DNA methylation. Peripheral tissues are essential in psychiatric epigenetics, as methylation generally cannot be assessed in the living human brain. Several magnetic resonance imaging (MRI) studies show associations of peripheral serotonin transporter gene (SLC6A4) methylation with function and/or structure of frontal-limbic circuits and brain's resting-state. Commonly used samples are derived from blood, saliva or buccal cells...
July 31, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28764867/effect-of-tobacco-smoking-on-frontal-cortical-thickness-development-a-longitudinal-study-in-a-mixed-cohort-of-adhd-affected-and-unaffected-youth
#5
Sophie E A Akkermans, Daan van Rooij, Nanda Rommelse, Catharina A Hartman, Pieter J Hoekstra, Barbara Franke, Maarten Mennes, Jan K Buitelaar
Smoking rates are particularly high during adolescence and young adulthood, when the brain is still undergoing significant developmental changes. Cross-sectional studies have revealed altered brain structure in smokers, such as thinner frontal cortical areas. Attention-deficit/hyperactivity disorder (ADHD) increases the risk of becoming nicotine-dependent, and has also been associated with abnormalities in frontal gray matter structure. The present study examines the relationships between smoking, cortical thickness and ADHD symptoms in a longitudinal design that compares adolescent and young adult smokers (n=44; 35 ADHD-affected) and non-smokers (n=45; 32 ADHD-affected) on frontal cortical thickness...
July 29, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28755801/international-trends-in-antipsychotic-use-a-study-in-16-countries-2005-2014
#6
Óskar Hálfdánarson, Helga Zoëga, Lise Aagaard, Miquel Bernardo, Lena Brandt, Anna Coma Fusté, Kari Furu, Kristina Garuoliené, Falk Hoffmann, Krista F Huybrechts, Luuk J Kalverdijk, Koji Kawakami, Helle Kieler, Takuya Kinoshita, Melisa Litchfield, Soffy C López, Jorge E Machado-Alba, Manuel E Machado-Duque, Mufaddal Mahesri, Prasad S Nishtala, Sallie-Anne Pearson, Johan Reutfors, Leena K Saastamoinen, Izumi Sato, Catharina C M Schuiling-Veninga, Yu-Chiau Shyu, Svetlana Skurtveit, Hélène Verdoux, Liang-Jen Wang, Corinne Zara Yahni, Christian J Bachmann
The objective of this study was to assess international trends in antipsychotic use, using a standardised methodology. A repeated cross-sectional design was applied to data extracts from the years 2005 to 2014 from 16 countries worldwide. During the study period, the overall prevalence of antipsychotic use increased in 10 of the 16 studied countries. In 2014, the overall prevalence of antipsychotic use was highest in Taiwan (78.2/1000 persons), and lowest in Colombia (3.2/1000). In children and adolescents (0-19 years), antipsychotic use ranged from 0...
July 27, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28739134/nmda-receptor-modulation-by-dextromethorphan-and-acute-stress-selectively-alters-electroencephalographic-indicators-of-partial-report-processing
#7
Lisa J Weckesser, Sören Enge, Philipp Riedel, Clemens Kirschbaum, Robert Miller
Proceeding from a biophysical network model, the present study hypothesized that glutamatergic neurotransmission across the NMDA receptor (NMDAR) plays a key role in visual perception and its modulation by acute stress. To investigate these hypotheses, behavioral and electroencephalographic (EEG) indicators of partial report task processing were assessed in twenty-four healthy young men who randomly received a non-competitive NMDAR antagonist (0.8 mg/kg dextromethorphan, DXM) or a placebo, and concurrently accomplished a stress-induction (MAST) or control protocol in three consecutive sessions...
July 21, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28732597/pattern-of-gene-expression-in-different-stages-of-schizophrenia-down-regulation-of-nptx2-gene-revealed-by-a-meta-analysis-of-microarray-datasets
#8
Mirko Manchia, Ignazio S Piras, Matthew J Huentelman, Federica Pinna, Clement C Zai, James L Kennedy, Bernardo Carpiniello
Schizophrenia (SCZ) is a severe psychiatric disorder with a genetic susceptibility. Alterations in neurochemical signaling, as well as changes in brain structure and function, manifest during the course of SCZ and are likely causative of the symptoms shown by affected individuals. However, little is known about the timing of these changes, particularly in the pre-morbid and prodromal phases of SCZ. Here, we performed a gene-based and pathway-based meta-analysis of 5 microarray datasets from human induced pluripotent stem cells (hiPSCs)-derived neurons and post-mortem brain tissue from SCZ and healthy controls (HC), with the underlying assumption they might represent the neurobiological make-up of SCZ in the pre-morbid and chronic stages of illness, respectively...
July 18, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28693903/effectiveness-of-long-term-vortioxetine-treatment-of-patients-with-major-depressive-disorder
#9
Eduard Vieta, Henrik Loft, Ioana Florea
To investigate the effectiveness, safety, and tolerability of vortioxetine in patients treated at therapeutic doses (5-20mg/day) for both acute and maintenance treatment, patient-level data were pooled from 5 long-term (52-week), open-label extension studies of major depressive disorder. The mean (±standard deviation) MADRS total score improved from 17.1±10.2 at the start of maintenance therapy to 7.6±8.2 (observed cases [OC]) or 10.3±9.9 (last observation carried forward [LOCF]) at week 52. The mean HAM-A total scores improved from 11...
July 7, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28689688/lurasidone-in-combination-with-lithium-or-valproate-for-the-maintenance-treatment-of-bipolar-i-disorder
#10
Joseph R Calabrese, Andrei Pikalov, Caroline Streicher, Josephine Cucchiaro, Yongcai Mao, Antony Loebel
Lurasidone (DS-RAn) has demonstrated efficacy in the acute treatment of bipolar depression, both as monotherapy, and as combination therapy with lithium or valproate. To evaluate the recurrence prevention efficacy of lurasidone for the maintenance treatment of bipolar I disorder, patients received up to 20 weeks of open-label lurasidone (20-80mg/d) combined with lithium or valproate during an initial stabilization phase. A total of 496 patients met stabilization criteria and were randomized to 28 weeks of double-blind treatment with lurasidone (20-80mg/d) or placebo, in combination with lithium or valproate...
July 6, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28689687/the-effect-of-the-muscarinic-m1-receptor-antagonist-biperiden-on-cognition-in-medication-free-subjects-with-psychosis
#11
Claudia Vingerhoets, Geor Bakker, Jelske van Dijk, Oswald J N Bloemen, Ya Wang, Raymond C K Chan, Jan Booij, Therese A M J van Amelsvoort
The acetylcholine muscarinic M1 receptor has been implicated in both psychosis and cognition. Post-mortem research has shown reduced muscarinic M1 receptor density in 25% of chronic patients with schizophrenia. It is unknown whether reduced M1 receptor density is related to cognitive symptoms of psychosis. We investigated the role of the M1 receptor in separate cognitive domains in subjects with a psychotic disorder using a muscarinic M1 antagonist as an acute pharmacological challenge. 33 young subjects with a psychotic disorder and 30 gender, age and IQ matched healthy controls were enrolled...
July 6, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28683981/noradrenergic-modulation-of-neural-erotic-stimulus-perception
#12
Heiko Graf, Maike Wiegers, Coraline Danielle Metzger, Martin Walter, Georg Grön, Birgit Abler
We recently investigated neuromodulatory effects of the noradrenergic agent reboxetine and the dopamine receptor affine amisulpride in healthy subjects on dynamic erotic stimulus processing. Whereas amisulpride left sexual functions and neural activations unimpaired, we observed detrimental activations under reboxetine within the caudate nucleus corresponding to motivational components of sexual behavior. However, broadly impaired subjective sexual functioning under reboxetine suggested effects on further neural components...
July 3, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28673475/associations-of-multiple-trauma-types-and-maoa-with-severe-aggressive-behavior-and-maoa-effects-on-training-outcome
#13
Danique Smeijers, Erik Bulten, Barbara Franke, Jan Buitelaar, Robbert-Jan Verkes
Previous research showed that the disposition to react with disproportionate aggression in adults is influenced by an interaction between a variant in the X-chromosomal monoamine oxidase A gene (MAOA) and early traumatic events. Such studies have often focused on a single type of trauma, whereas we know that experiencing multiple trauma types is associated with more detrimental consequences. The differential susceptibility hypothesis suggests that individuals who are most susceptible to adversity, are also most likely to benefit from supportive experiences in childhood...
July 1, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28669774/how-well-do-patients-with-a-first-episode-of-schizophrenia-respond-to-antipsychotics-a-systematic-review-and-meta-analysis
#14
REVIEW
Yikang Zhu, Chunbo Li, Maximilian Huhn, Philipp Rothe, Marc Krause, Irene Bighelli, Johannes Schneider-Thoma, Stefan Leucht
It is often stated that first-episode patients tend to respond better to antipsychotics than chronic patients, but the exact numbers and moderators of response in this population are unclear. We, therefore, present the first systematic review on response rates of first episode patients with schizophrenia in randomized trials. We searched multiple databases for randomized-controlled trials of antipsychotics in acutely ill patients with a first episode of schizophrenia (last search: November 17, 2016). The outcomes were response rate based on two criteria, at least 50% PANSS or BPRS total score reduction from baseline and at least 20% reduction...
June 29, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28666638/a-study-on-the-bioequivalence-of-lithium-and-valproate-salivary-and-blood-levels-in-the-treatment-of-bipolar-disorder
#15
A Murru, M Torra, A Callari, I Pacchiarotti, S Romero, B Gonzalez de la Presa, C Varo, J M Goikolea, V Pérez-Sola, E Vieta, F Colom
Lithium (Li) and valproate (VPA) are used in the treatment of bipolar disorder (BD), with narrow therapeutic window requiring periodic control of serum levels. This prevents intoxication, lack of efficacy due to low serum concentrations, and allows monitoring adherence. We aimed at evaluating the bioequivalence of salivary and blood levels of LI or VPA in a sample of adult BD patients. Secondarily, lithium bioequivalence was evaluated across different patients' lifespans. BD patients treated with either Li or VPA underwent contemporary standard serum and salivary measurements...
June 27, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28663122/dsm-5-cannabis-use-disorder-substance-use-and-dsm-5-specific-substance-use-disorders-evaluating-comorbidity-in-a-population-based-sample
#16
Amie C Hayley, Con Stough, Luke A Downey
Cannabis use disorder (CUD) is frequently associated with concurrent substance use and/or comorbid substance use disorders (SUDs); however there is little specificity with regard to commonly abused individual drug types/classes. This study therefore aimed to provide insight into the degree of these co-occurring relationships across several specific newer and older generation illicit and prescription drugs. 36,309 adults aged 18+ from wave 3 of the National Epidemiologic Survey on Alcohol and Related Conditions (NESARC-III) were assessed...
June 27, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28663124/comparative-evaluation-of-vortioxetine-as-a-switch-therapy-in-patients-with-major-depressive-disorder
#17
Michael E Thase, Natalya Danchenko, Melanie Brignone, Ioana Florea, Francoise Diamand, Paula L Jacobsen, Eduard Vieta
Switching antidepressant therapy is a recommended strategy for depressed patients who neither respond to nor tolerate an initial pharmacotherapy course. This paper reviews the efficacy and tolerability of switching to vortioxetine. All three published studies of patients with major depressive disorder (MDD) switched from SSRI/SNRI therapy to vortioxetine due to lack of efficacy or tolerability were selected. Vortioxetine was evaluated versus agomelatine directly (REVIVE) and versus sertraline, venlafaxine, bupropion, and citalopram in an indirect treatment comparison (ITC) from switch studies retrieved in a literature review...
June 26, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28663123/association-between-high-sensitivity-crp-and-suicidal-ideation-in-the-korean-general-population
#18
Ryoung Jin Park, Yang Hyun Kim
Inflammation has been linked with a potential critical role in suicide. The purpose of this study is to examine the relation of CRP with suicidal behavior in the Korean population. We conducted a cross-sectional study in 4693 Korean adults aged 20-81 years who participated in the 2015 Korea National Health and Nutrition Examination Survey. High sensitivity CRP levels were measured by immunoturbidimetric method. Suicidal ideation and suicide attempt were assessed by using a questionnaire. Data were analyzed in 2017...
June 26, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28663121/the-effects-of-enhancing-endocannabinoid-signaling-and-blocking-corticotrophin-releasing-factor-receptor-in-the-amygdala-and-hippocampus-on-the-consolidation-of-a-stressful-event
#19
Nurit Aisenberg, Lidia Serova, Esther L Sabban, Irit Akirav
Current clinical and pre-clinical data suggest that both cannabinoid agents and blockage of CRF through corticotrophin releasing factor receptor type 1 (CRFr1) may offer therapeutic benefits for post-traumatic stress disorder (PTSD). Here we aim to determine whether they are more effective when combined when microinjected into the basolateral amygdala (BLA) or CA1 area of the hippocampus after exposure to a stressful event in the shock/reminders rat model for PTSD. Injection of the fatty acid amide hydrolase (FAAH) inhibitor URB597 after the shock into either the BLA or CA1 facilitated extinction, and attenuated startle response and anxiety-like behavior...
June 26, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28655495/tranylcypromine-in-mind-part-i-review-of-pharmacology
#20
REVIEW
Sven Ulrich, Roland Ricken, Mazda Adli
It has been over 50 years since a review has focused exclusively on the monoamine oxidase (MAO) inhibitor tranylcypromine (TCP). A new review has therefore been conducted for TCP in two parts which are written to be read preferably in close conjunction: Part I - pharmacodynamics, pharmacokinetics, drug interactions, toxicology; and Part II - clinical studies with meta-analysis of controlled studies in depression, practice of TCP treatment, place in therapy. Pharmacological data of this review part I characterize TCP as an irreversible and nonselective MAO-A/B inhibitor at low therapeutic doses of 20mg/day with supplementary norepinephrine reuptake inhibition at higher doses of 40-60mg/day...
June 24, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
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