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Progress in Neuro-psychopharmacology & Biological Psychiatry

Ali Sahraian, Zahra Ehsaei, Arash Mowla
BACKGROUND AND OBJECTIVE: Our Objective is to study the effects of aripiprazole as an adjuvant treatment for obsessive and compulsive (OC) symptoms in patients with bipolar disorder (BD) type I, manic phase. PATIENTS AND METHODS: In this 8-week, double-blind, placebo-controlled randomized clinical trial, 56 patients with BD who had OC symptoms were randomly allocated to receive aripiprazole or placebo plus their routine medication regimen (lithium + clonazepam)...
March 12, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
Mario Gennaro Mazza, Sara Lucchi, Agnese Grazia Maria Tringali, Aurora Rossetti, Eugenia Rossana Botti, Massimo Clerici
The immune and inflammatory system is involved in the etiology of mood disorders. Neutrophil/lymphocyte ratio (NLR), platelet/lymphocyte ratio (PLR) and monocyte/lymphocyte ratio (MLR) are inexpensive and reproducible biomarkers of inflammation. This is the first meta-analysis exploring the role of NLR and PLR in mood disorder. We identified 11 studies according to our inclusion criteria from the main Electronic Databases. Meta-analyses were carried out generating pooled standardized mean differences (SMDs) between index and healthy controls (HC)...
March 10, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
Katie L Burkhouse, Autumn Kujawa, Bobby Hosseini, Heide Klumpp, Kate D Fitzgerald, Scott A Langenecker, Christopher S Monk, K Luan Phan
BACKGROUND: Research suggests that individuals with anxiety have difficulty ignoring threat distractors when completing tasks with competing stimuli. Studies examining the neural correlates of these emotional processing difficulties in youth anxiety highlight reduced recruitment of regions associated with goal-directed attention, such as the anterior cingulate cortex (ACC). In the current study, we examined neural activation during an emotional conflict task in youth with anxiety disorders before and after treatment...
March 10, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
Yong-Ku Kim, Byung-Joo Ham, Kyu-Man Han
The etiology of depression is characterized by the interplay of genetic and environmental factors and brain structural alteration. Childhood adversity is a major contributing factor in the development of depression. Interactions between childhood adversity and candidate genes for depression could affect brain morphology via the modulation of neurotrophic factors, serotonergic neurotransmission, or the hypothalamus-pituitary-adrenal (HPA) axis, and this pathway may explain the subsequent onset of depression...
March 10, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
Lídia Cantacorps, Héctor González-Pardo, Jorge L Arias, Olga Valverde, Nélida M Conejo
Prenatal and perinatal alcohol exposure caused by maternal alcohol intake during gestation and lactation periods can have long-lasting detrimental effects on the brain development and behaviour of offspring. Children diagnosed with Foetal Alcohol Spectrum Disorders (FASD) display a wide range of cognitive, emotional and motor deficits, together with characteristic morphological abnormalities. Maternal alcohol binge drinking is particularly harmful for foetal and early postnatal brain development, as it involves exposure to high levels of alcohol over short periods of time...
March 8, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
Allison A Feduccia, Michael C Mithoefer
MDMA-assisted psychotherapy for treatment of PTSD has recently progressed to Phase 3 clinical trials and received Breakthrough Therapy designation by the FDA. MDMA used as an adjunct during psychotherapy sessions has demonstrated effectiveness and acceptable safety in reducing PTSD symptoms in Phase 2 trials, with durable remission of PTSD diagnosis in 68% of participants. The underlying psychological and neurological mechanisms for the robust effects in mitigating PTSD are being investigated in animal models and in studies of healthy volunteers...
March 7, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
Meritxell Llorca-Torralba, Juan A Mico, Esther Berrocoso
The persistent activation of N-methyl-d-aspartate acid receptors (NMDARs) seems to be responsible for a series of changes in neurons associated with neuropathic pain, including the failure of opioids that act through mu-opioid receptors (MORs) to provide efficacious pain relief. As the noradrenergic locus coeruleus (LC) forms part of the endogenous analgesic system, we explored how intra-LC administration of morphine, a MORs agonist, alone or in combination with MK-801, a NMDARs antagonist, affects the sensorial and affective dimension of pain in a rat model of neuropathic pain; chronic constriction injury (CCI)...
March 7, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
Aline Siteneski, Mauricio P Cunha, Vicente Lieberknecht, Francis L Pazini, Karen Gruhn, Patricia S Brocardo, Ana Lúcia S Rodrigues
Evidence has indicated that the practice of physical exercise has antidepressant effects that might be associated with irisin release and BDNF signaling. In this study we investigated the effects of the central administration of irisin or BDNF in predictive tests of antidepressant properties paralleled with the gene expression of peroxisome proliferator-activated receptor gamma co-activator 1α (PGC1-α), fibronectin type III domain-containing protein 5 (FNDC5) and brain-derived neurotrophic factor (BDNF) in the hippocampus and prefrontal cortex of mice...
March 7, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
Gabriel Shimizu Bassi, Luis Ulloa, Victor Rodrigues Santos, Flávio Del Vecchio, Polianna Delfino-Pereira, Gerson Jonathan Rodrigues, Jaci Airton Castania, Fernando Queiróz Cunha, Hélio Cesar Salgado, Thiago Mattar Cunha, Norberto Garcia-Cairasco, Alexandre Kanashiro
The neuronal control of the immune system is fundamental to the development of new therapeutic strategies for inflammatory disorders. Recent studies reported that afferent vagal stimulation attenuates peripheral inflammation by activating specific sympathetic central and peripheral networks, but only few subcortical brain areas were investigated. In the present study, we report that afferent vagal stimulation also activates specific cortical areas, as the parietal and cingulate cortex. Since these cortical structures innervate sympathetic-related areas, we investigate whether electrical stimulation of parietal cortex can attenuate knee joint inflammation in non-anesthetized rats...
March 6, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
Dake Song, Yaping Ge, Zhaodi Chen, Chao Shang, Ying Guo, Taiyun Zhao, Yunfeng Li, Ning Wu, Rui Song, Jin Li
Post-traumatic stress disorder (PTSD) is a complicated psychiatric disorder, which occurs after exposure to a traumatic event. The main clinical manifestation of PTSD includes fear and stress dysregulation. In both animals and humans, dysregulation of dopamine function appears to be related to conditioned fear responses. Previous studies show that the dopamine D3 receptor (D3R) is involved in schizophrenia, autism, and substance use disorders and is related to emotional disorders. However, few studies have investigated the role of the D3R in the pathogenesis and aetiology of PTSD...
March 3, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
Marlijn Vermeiden, Astrid M Kamperman, Witte J G Hoogendijk, Walter W van den Broek, Tom K Birkenhäger
BACKGROUND: In patients suffering from major depressive disorder, non-response to initial antidepressant monotherapy is relatively common. The use of treatment algorithms may optimize and enhance treatment outcome. METHODS: A single-center 3-phase treatment algorithm was evaluated for inpatients with major depressive disorder, i.e. phase I (n = 85): 7 weeks optimal antidepressant monotherapy (imipramine or venlafaxine); phase II (n = 39): 4 weeks subsequent plasma level-targeted dose lithium addition in case of insufficient improvement of antidepressant monotherapy; and phase III (n = 8): subsequent electroconvulsive therapy in case of insufficient improvement of antidepressant‑lithium treatment...
March 2, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
Bernd Lenz, Polyxeni Bouna-Pyrrou, Christiane Mühle, Johannes Kornhuber
BACKGROUND: Alcohol binge drinking behavior is an important public health issue. Causal rodent and human associational studies show that reinforcement of prenatal androgen signaling increases alcohol consumption in adulthood. However, the effects of prenatal androgen exposure on adult binge drinking patterns have not been investigated yet. METHOD: We analyzed data from 2225 participants of an online survey (conducted 06-07/2016) to evaluate biomarkers for prenatal androgen exposure (second-to-fourth finger length ratio [2D:4D], age at spermarche or menarche as hallmark for pubertal onset) in binge drinking (≥1 episode of 15+, 10+, and/or 5+ standard drinks of ~12 g of alcohol within 2 h during the 24 month- and 2 week-recall periods)...
February 27, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
Merlin Lange, Cynthia Froc, Hannah Grunwald, William H J Norton, Laure Bally-Cuif
Polymorphisms in the gene coding for the adhesion G-protein coupled receptor LPHN3 are a risk factor for attention-deficit/hyperactivity disorder (ADHD). Transient down-regulation of latrophilin3.1 (lphn3.1), the zebrafish LPHN3 homologue, causes hyperactivity. Zebrafish injected with a lphn3.1-specific morpholino are hyperactive and display an impairment in dopaminergic neuron development. In the present study we used lphn3.1 morphants to further characterize the changes to dopaminergic signaling that trigger hyperactivity...
February 26, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
M P Faillace, A Pisera-Fuster, R Bernabeu
The rewarding properties of drugs in zebrafish can be studied using the conditioned place preference (CPP) paradigm. Most devices that have been used for CPP consist of two-half tanks with or without a central chamber. Here we evaluated the rewarding effects of nicotine and caffeine using a tank with five arms distributed radially from a central chamber that we have denoted Fish Tank Radial Maze (FTRM). Zebrafish were trained to associate nicotine or caffeine with a coloured arm. In testing sessions to assess CPP induction, between two and five different arms were available to explore...
February 23, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
Pingping Zhu, Jialing Li, Liting Zhang, Zhanrong Liang, Bin Tang, Wei-Ping Liao, Yong-Hong Yi, Tao Su
Kv1.1, a Shaker homologue potassium channel, plays a critical role in homeostatic regulation of neuronal excitability. Aberrations in the functional properties of Kv1.1 have been implicated in several neurological disorders featured by neuronal hyperexcitability. Fragile X syndrome (FXS), the most common form of inherited mental retardation, is characterized by hyperexcitability in neural network and intrinsic membrane properties. The Kv1.1 channel provides an intriguing mechanistic candidate for FXS. We investigated the development-related expression pattern of the Kv1...
February 23, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
Luana Carvalho Cezar, Thiago Berti Kirsten, Caio Cesar Navarrete da Fonseca, Ana Paula Nascimento de Lima, Maria Martha Bernardi, Luciano Freitas Felicio
Autism is characterized by numerous behavioral impairments, such as in communication, socialization and cognition. Recent studies have suggested that valproic acid (VPA), an anti-epileptic drug with teratogenic activity, is related to autism. In rodents, VPA exposure during pregnancy induces autistic-like effects. Exposure to VPA may alter zinc metabolism resulting in a transient deficiency of zinc. Therefore, we selected zinc as a prenatal treatment to prevent VPA-induced impairments in a rat model of autism...
February 23, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
Chan Li, Genghong Tu, Chaohua Luo, Youli Guo, Miao Fang, Chen Zhu, Hancheng Li, Jinying Ou, Yuting Zhou, Wei Liu, Ken Kin Lam Yung, Zhixian Mo
In the past few years, ketamine, a noncompetitive NMDA antagonist, has been widely abused worldwide as a new type of synthetic drug, severely affecting the physical and mental health of ketamine abusers. Previous studies have suggested that rhynchophylline can alleviate drug abuse and reverse the conditioned place preference caused by the abuse. MicroRNAs (miRNAs) are important factors regulating gene expression and are involved in the drug addiction process. The hippocampus is a critical area in the brain involved in causing drug addiction...
February 21, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
Or Burstein, Noa Shoshan, Ravid Doron, Irit Akirav
Posttraumatic stress disorder (PTSD) is a debilitating condition highly comorbid with depression. The endocannabinoid (eCB) system and brain-derived neurotrophic factor (BDNF) are suggestively involved in both disorders. We examined whether cannabinoids can prevent the long-term depressive-like symptoms induced by exposure to the shock and situational reminders (SRs) model of PTSD. The CB1/2 receptor agonist WIN55,212-2 (0.5 mg/kg; i.p.), the fatty acid hydrolase (FAAH) inhibitor URB597 (0.3 mg/kg, i.p.) or vehicle were administered 2 h after severe shock...
February 16, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
Helena Domin, Łukasz Przykaza, Ewa Kozniewska, Paweł M Boguszewski, Maria Śmiałowska
Our previous studies have shown that ACPT-I [(1S, 3R,4S)-1-aminocyclopentane-1,2,4-tricarboxylic acid], a blood-brain barrier permeable agonist of group III metabotropic glutamate (mGlu) receptors, was neuroprotective against middle cerebral artery occlusion/reperfusion (MCAO/R) in normotensive rats. Preclinical studies are typically performed on healthy animals, whereas stroke patients predominately exhibit comorbidities, such as hypertension; therefore, in the present study, we investigated the effect of ACPT-I in spontaneously hypertensive rats (SHR) after MCAO/R...
February 10, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
Hee-Ju Kang, Kyung-Yeol Bae, Sung-Wan Kim, Il-Seon Shin, Hye-Ran Kim, Myung-Geun Shin, Jin-Sang Yoon, Jae-Min Kim
It has been suggested that hypothalamus-pituitary-adrenal (HPA) axis dysregulation plays a role in the etiology of depression. HPA axis function is mediated by glucocorticoid receptors (GRs), which are influenced by epigenetic mechanisms (DNA methylation). The association between the DNA methylation of the GR gene (nuclear receptor subfamily 3, group C, member 1; NR3C1) and late-life depression as well as the role of NR3C1 methylation in the prediction of the incidence of depression have not yet been investigated...
February 9, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
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