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Progress in Neuro-psychopharmacology & Biological Psychiatry

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https://www.readbyqxmd.com/read/28625859/harmine-produces-antidepressant-like-effects-via-restoration-of-astrocytic-functions
#1
Fengguo Liu, Jingjing Wu, Yu Gong, Peng Wang, Lei Zhu, Li-Juan Tong, Xiangfan Chen, Yong Ling, Chao Huang
Depression is a world-wide disease with no effective therapeutic methods. Increasing evidence indicates that astrocytic pathology contributes to the formation of depression. In this study, we investigated the effects of harmine, a natural β-carboline alkaloid and potent hallucinogen, known to modulate astrocytic glutamate transporters, on chronic unpredictable stress (CUS)-induced depressive-like behaviors and astrocytic dysfunctions. Results showed that harmine treatment (10, 20mg/kg) protected the mice against the CUS-induced increases in the immobile time in the tail suspension test (TST) and forced swimming test (FST), and also reversed the reduction in sucrose intake in the sucrose preference experiment...
June 15, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28625858/stem-cells-pluripotency-and-glial-cell-markers-in-peripheral-blood-of-bipolar-patients-on-long-term-lithium-treatment
#2
REVIEW
Ewa Ferensztajn-Rochowiak, Jolanta Kucharska-Mazur, Maciej Tarnowski, Jerzy Samochowiec, Mariusz Z Ratajczak, Janusz K Rybakowski
BACKGROUND: We investigated the effect of long-term lithium treatment on very-small embryonic-like stem cells (VSELs) and the mRNA expression of pluripotency and glial markers, in peripheral blood, in patients with bipolar disorder (BD). METHODS: Fifteen BD patients (aged 53±7years) not treated with lithium, with duration of illness >10years, 15 BD patients (aged 55±6years) treated with lithium for 8-40years (mean 16years) and 15 control subjects (aged 50±5years) were included...
June 15, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28624582/further-replication-of-the-synergistic-interaction-between-lphn3-and-the-ntad-gene-cluster-on-adhd-and-its-clinical-course-throughout-adulthood
#3
Djenifer B Kappel, Jaqueline B Schuch, Diego L Rovaris, Bruna S da Silva, Renata B Cupertino, Cristina Winkler, Stefania P Teche, Eduardo S Vitola, Rafael G Karam, Luis A Rohde, Claiton H D Bau, Eugenio H Grevet, Nina R Mota
Attention-Deficit/Hyperactivity Disorder (ADHD) is a common and highly heritable neuropsychiatric disorder. Despite the high heritability, the unraveling of specific genetic factors related to ADHD is hampered by its considerable genetic complexity. Recent evidence suggests that gene-gene interactions can explain part of this complexity. We examined the impact of strongly supported interaction effects between the LPHN3 gene and the NTAD gene cluster (NCAM1-TTC12-ANKK1-DRD2) in a 7-year follow-up of a clinical sample of adults with ADHD, addressing associations with susceptibility, symptomatology and stability of diagnosis...
June 14, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28624581/polygenic-risk-for-depression-and-the-neural-correlates-of-working-memory-in-healthy-subjects
#4
Dilara Yüksel, Bruno Dietsche, Andreas J Forstner, Stephanie H Witt, Robert Maier, Marcella Rietschel, Carsten Konrad, Markus M Nöthen, Udo Dannlowski, Bernhard T Baune, Tilo Kircher, Axel Krug
INTRODUCTION: Major depressive disorder (MDD) patients show impairments of cognitive functioning such as working memory (WM), and furthermore alterations during WM-fMRI tasks especially in frontal and parietal brain regions. The calculation of a polygenic risk score (PRS) can be used to describe the genetic influence on MDD, hence imaging genetic studies aspire to combine both genetics and neuroimaging data to identify the influence of genetic factors on brain functioning. We aimed to detect the effect of MDD-PRS on brain activation during a WM task measured with fMRI and expect healthy individuals with a higher PRS to be more resembling to MDD patients...
June 14, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28627448/opiate-exposure-state-controls-dopamine-d3-receptor-and-cdk5-calcineurin-signaling-in-the-basolateral-amygdala-during-reward-and-withdrawal-aversion-memory-formation
#5
Laura G Rosen, Walter J Rushlow, Steven R Laviolette
The dopamine (DA) D3 receptor (D3R) is highly expressed in the basolateral nucleus of the amygdala (BLA), a neural region critical for processing opiate-related reward and withdrawal aversion-related memories. Functionally, D3R transmission is linked to downstream Cdk5 and calcineurin signaling, both of which regulate D3R activity states and play critical roles in memory-related synaptic plasticity. Previous evidence links D3R transmission to opiate-related memory processing, however little is known regarding how chronic opiate exposure may alter D3R-dependent memory mechanisms...
June 13, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28627447/pain-with-traumatic-brain-injury-and-psychological-disorders
#6
REVIEW
Samar Khoury, Rodrigo Benavides
Traumatic brain injury (TBI) is the cause for long-term disability in more than 3 million patients in the US alone, with chronic pain being the most frequently reported complain. To date, predisposing mechanisms for chronic pain in TBI patients are largely unknown. Psychological disorders, including post-traumatic stress disorder, depression and anxiety following TBI are commonly reported comorbidities to post-traumatic pain. Long term consequences can be debilitating and affect quality of life even when the injury is mild...
June 13, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28627446/lipid-profile-and-suicide-attempt-in-bipolar-disorder-a-meta-analysis-of-published-and-unpublished-data
#7
Francesco Bartoli, Carmen Di Brita, Cristina Crocamo, Massimo Clerici, Giuseppe Carrà
Evidence suggests an association between low lipid levels and suicidality in subjects with severe mental disorders. This is the first systematic review and meta-analysis aimed at exploring differences in lipid profile between suicide attempters and non-attempters specifically with bipolar disorder. We included observational studies providing comparative cross-sectional data on total cholesterol, LDL-cholesterol and triglycerides levels. We searched main Electronic Databases, identifying eleven studies that met our inclusion criteria, including also unpublished data...
June 13, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28619471/oral-haloperidol-or-olanzapine-intake-produces-distinct-and-region-specific-increase-in-cannabinoid-receptor-levels-that-is-prevented-by-high-fat-diet
#8
Foteini Delis, Lauren Rosko, Aditya Schroff, Kenneth E Leonard, Panayotis K Thanos
Clinical studies show higher levels of cannabinoid CB1 receptors (CB1R) in the brain of schizophrenic patients while preclinical studies report a significant functional interaction between dopamine D2 receptors and CB1Rs as well as an upregulation of CB1Rs after antipsychotic treatment. These findings prompted us to study the effects of chronic oral intake of a first and a second generation antipsychotic, haloperidol and olanzapine, on the levels and distribution of CB1Rs in the rat brain. Rats consumed either regular chow or high-fat food and drank water, haloperidol drinking solution (1...
June 12, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28619470/whole-body-hyperthermia-and-a-subthreshold-dose-of-citalopram-act-synergistically-to-induce-antidepressant-like-behavioral-responses-in-adolescent-rats
#9
Matthew W Hale, Jodi L Lukkes, Kathleen F Dady, Kyle J Kelly, Evan D Paul, David G Smith, Charles L Raison, Christopher A Lowry
BACKGROUND: Open and randomized, double blind, placebo-controlled clinical trials have demonstrated clinical efficacy of infrared whole-body hyperthermia in treatment of major depressive disorder (MDD). Demonstration of antidepressant-like behavioral effects of whole-body hyperthermia in preclinical rodent models would provide further support for the clinical use of infrared whole-body hyperthermia for the treatment of MDD, and would provide additional opportunities to explore underlying mechanisms...
June 12, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28595945/role-of-placebo-effects-in-pain-and-neuropsychiatric-disorders
#10
REVIEW
Annabelle M Belcher, Sergi Ferré, Pedro E Martinez, Luana Colloca
The placebo (and the nocebo) effect is a powerful determinant of health outcomes in clinical disease treatment and management. Efforts to completely eradicate placebo effects have shifted dynamically, as increasingly more researchers are tuned to the potentially beneficial effects of incorporating those uncontrollable placebo effects into clinical therapeutic strategies. In this review, we highlight the major findings from placebo research, elucidating the main neurobiological systems and candidate determinants of the placebo phenomenon, and illustrate a perspective that can effectively frame future research on the topic...
June 8, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28602852/repeated-ethanol-exposure-alters-social-behavior-and-oxidative-stress-parameters-of-zebrafish
#11
Talise Ellwanger Müller, Stenio Zimermann Nunes, Ariane Silveira, Vania Lucia Loro, Denis Broock Rosemberg
Repeated ethanol (EtOH) consumption induces neurological disorders in humans and is considered an important public health problem. The physiological effects of EtOH are dose- and time-dependent, causing relevant changes in the social behavior. In addition, alcohol-induced oxidative stress has been proposed as a key mechanism involved in EtOH neurotoxicity. Here we investigate for the first time whether repeated EtOH exposure (REE) alters the social behavior of zebrafish and influences brain oxidation processes...
June 7, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28595946/the-effects-of-pessimism-on-cell-mediated-immunity-in-rats
#12
Katarzyna Curzytek, Marta Kubera, Ewa Trojan, Kinga Wójcik, Agnieszka Basta-Kaim, Jan Detka, Michael Maes, Rafal Rygula
We used a recently developed ambiguous-cue interpretation (ACI) paradigm to investigate whether 'optimism' and 'pessimism' as behavioural traits may be interrelated with immune functions in rodents. To this aim, in a series of ACI tests (cognitive bias screening, CBS), we identified rats that displayed 'pessimistic' and 'optimistic' traits. We found significant differences in immune biomarkers between 'optimistic' and 'pessimistic' animals. Moreover 'pessimism' was associated with significantly lower relative weight of the spleen and thymus, significantly decreased proliferative activity of splenocytes...
June 5, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28595944/ido-chronic-immune-activation-and-tryptophan-metabolic-pathway-a-potential-pathophysiological-link-between-depression-and-obesity
#13
REVIEW
Adriano José Maia Chaves Filho, Camila Nayane Carvalho Lima, Silvânia Maria Mendes Vasconcelos, David Freitas de Lucena, Michael Maes, Danielle Macedo
Obesity and depression are among the most pressing health problems in the contemporary world. Obesity and depression share a bidirectional relationship, whereby each condition increases the risk of the other. By inference, shared pathways may underpin the comorbidity between obesity and depression. Activation of cell-mediated immunity (CMI) is a key factor in the pathophysiology of depression. CMI cytokines, including IFN-γ, TNFα and IL-1β, induce the catabolism of tryptophan (TRY) by stimulating indoleamine 2,3-dioxygenase (IDO) resulting in the synthesis of kynurenine (KYN) and other tryptophan catabolites (TRYCATs)...
June 5, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28583443/effects-of-metformin-exposure-on-neurodegenerative-diseases-in-elderly-patients-with-type-2-diabetes-mellitus
#14
Yi-Chun Kuan, Kuang-Wei Huang, Cheng-Li Lin, Chaur-Jong Hu, Chia-Hung Kao
Epidemiological evidence reveals that patients with type 2 diabetes mellitus (T2DM) have an increased risk of neurodegenerative diseases (NDs), including dementia and Parkinson's disease (PD). The effects of metformin exposure on dementia and PD risk in patients with T2DM are unknown. We evaluated the effects of metformin exposure on the risk of dementia and PD in patients with T2DM. We performed a cohort study by using Taiwan's National Health Insurance Research Database. We recruited 4651 patients in the metformin cohort and a comparable number of nonmetformin controls by using propensity score matching...
June 2, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28579400/emotion-regulation-in-mood-and-anxiety-disorders-a-meta-analysis-of-fmri-cognitive-reappraisal-studies
#15
REVIEW
Maria Picó-Pérez, Joaquim Radua, Trevor Steward, José M Menchón, Carles Soriano-Mas
Emotion regulation by means of cognitive reappraisal has been widely studied with functional magnetic resonance imaging (fMRI). To date, several meta-analyses of studies using cognitive reappraisal tasks in healthy volunteers have been carried out, but no meta-analyses have yet been performed on the fMRI data of clinical populations with identified alterations in emotion regulation capacity. We provide a comprehensive meta-analysis of cognitive reappraisal fMRI studies in populations of patients with mood or anxiety disorders, yielding a pooled sample of 247 patients and 262 controls from thirteen independent studies...
June 1, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28576415/stem-cell-contributions-to-neurological-disease-modeling-and-personalized-medicine
#16
REVIEW
Nicholas Liang, Cleber A Trujillo, Priscilla D Negraes, Alysson R Muotri, Claudiana Lameu, Henning Ulrich
Human induced pluripotent stem cells (iPSCs) represent a revolutionary tool for disease modeling and drug discovery. The generation of tissue-relevant cell types exhibiting a patient's genetic and molecular background offers the ability to develop individual and effective therapies. In this review, we present some major achievements in the neuroscience field using iPSCs and discuss promising perspectives in personalized medicine. In addition to disease modeling, the understanding of the cellular and molecular basis of neurological disorders is explored, including the discovery of new targets and potential drugs...
May 30, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28571776/neurodevelopmental-theory-of-depression
#17
REVIEW
Piotr Gałecki, Monika Talarowska
The aim of research studies in the field of psychiatry conducted in recent years is to formulate a consistent theory that would exhaustively explain the aetiology of depression. So far, biochemical, genetic, anatomical and environmental factors, which may play a role in the occurrence of the first symptoms of depressive disorders, have been sought. The authors of this paper present a theory that combines the previously mentioned elements into one whole and links them to one another. We have called our theory "neurodevelopmental" to underline the importance and impact of earlier stages of human life, including the prenatal period, on the occurrence of depressive disorders...
May 29, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28571775/critical-role-of-ca1-muscarinic-receptors-on-memory-acquisition-deficit-induced-by-total-tsd-and-rem-sleep-deprivation-rsd
#18
Bibi-Zahra Javad-Moosavi, GholamHassan Vaezi, Mohammad Nasehi, Seyed-Ali Haeri-Rouhani, Mohammad-Reza Zarrindast
AIM: Despite different theories regarding sleep physiological function, an overall census indicates that sleep is useful for neural plasticity which eventually strengthens cognition and brain performance. Different studies show that sleep deprivation (SD) leads to impaired learning and hippocampus dependent memory. According to some studies, cholinergic system plays an important role in sleep (particularly REM sleep), learning, memory, and its retrieval. So this study has been designed to investigate the effect of CA1 Cholinergic Muscarinic Receptors on memory acquisition deficit induced by total sleep deprivation (TSD) and REM sleep deprivation (RSD)...
May 29, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28558941/effects-of-aripiprazole-versus-risperidone-on-brain-activation-during-planning-and-social-emotional-evaluation-schizophrenia-a-single-blind-randomized-exploratory-study
#19
Edith J Liemburg, Frank van Es, Henderikus Knegtering, André Aleman
Impaired function of prefrontal brain networks may be the source of both negative symptoms and neurocognitive problems in psychotic disorders. Whereas most antipsychotics may decrease prefrontal activation, the partial dopamine D2-receptor agonist aripiprazole is hypothesized to improve prefrontal function. This study investigated whether patients with a psychotic disorder would show stronger activation of prefrontal areas and associated regions after treatment with aripiprazole compared to risperidone treatment...
May 27, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28552732/integrating-genome-wide-association-study-and-expression-quantitative-trait-loci-data-identifies-multiple-genes-and-gene-set-associated-with-neuroticism
#20
Qianrui Fan, Wenyu Wang, Jingcan Hao, Awen He, Yan Wen, Xiong Guo, Cuiyan Wu, Yujie Ning, Xi Wang, Sen Wang, Feng Zhang
Neuroticism is a fundamental personality trait with significant genetic determinant. To identify novel susceptibility genes for neuroticism, we conducted an integrative analysis of genomic and transcriptomic data of genome wide association study (GWAS) and expression quantitative trait locus (eQTL) study. GWAS summary data was driven from published studies of neuroticism, totally involving 170,906 subjects. eQTL dataset containing 927,753 eQTLs were obtained from an eQTL meta-analysis of 5311 samples. Integrative analysis of GWAS and eQTL data was conducted by summary data-based Mendelian randomization (SMR) analysis software...
May 25, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
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