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https://www.readbyqxmd.com/read/28212495/neuropsychiatric-symptoms-in-mild-cognitive-impairment
#1
Damien Gallagher, Corinne E Fischer, Andrea Iaboni
OBJECTIVE: Neuropsychiatric symptoms (NPS) may be the first manifestation of an underlying neurocognitive disorder. We undertook a review to provide an update on the epidemiology and etiological mechanisms of NPS that occur in mild cognitive impairment (MCI) and just before the onset of MCI. We discuss common clinical presentations and the implications for diagnosis and care. METHOD: The authors conducted a selective review of the literature regarding the emergence of NPS in late life, before and after the onset of MCI...
March 2017: Canadian Journal of Psychiatry. Revue Canadienne de Psychiatrie
https://www.readbyqxmd.com/read/28211103/impaired-learning-and-memory-in-rats-induced-by-a-high-fat-diet-involvement-with-the-imbalance-of-nesfatin-1-abundance-and-copine-6-expression
#2
Zheng Chen, Ya-Yun Xu, Rui Wu, Yin-Xiu Han, Yue Yu, Jin-Fang Ge, Fei-Hu Chen
Non-alcoholic fatty liver disease (NAFLD) is the most common cause of chronic liver disease, resulting not only in liver dysfunction, glucose and lipid metabolism disorder, but also in neuropsychiatric damage. In the present study, a NAFLD rat model was established via feeding of a high-fat diet, and the behavior was observed via the open field test (OFT), the sucrose preference test (SPT), the elevated plus maze (EPM), the forced swimming test (FST), and the Morris water maze (MWM). The plasma concentrations of alanine aminotransferase (ALT), glucose, free fatty acid (FFA), total cholesterol (TC), triglyceride (TG), high-density lipoprotein cholesterol (HDL-C), and low-density lipoprotein cholesterol (LDL-C) were detected using chemiluminescence technique...
February 17, 2017: Journal of Neuroendocrinology
https://www.readbyqxmd.com/read/28208982/delusional-disorder-in-a-patient-with-corpus-callosum-agenesis
#3
M S Bhatia, Rashmita Saha, Nimisha Doval
Agenesis of corpus callosum is rare and associated neuropsychiatric abnormalities reported are epilepsy, Asperger's syndrome, learning problems, depression, schizophrenia, conduct disorder and conversion symptoms. Schizophrenia is the most common psychiatric disorder reported among corpus callosum agenesis. We report a rare case of delusional disorder with corpus callosum agenesis and seizure disorder. The patient presented with delusions of persecution towards younger brother and mother, disturbed sleep and reduced appetite...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28203329/pseudotumor-cerebri-as-the-first-manifestation-of-juvenile-systemic-lupus-erythematosus
#4
Seyed-Reza Raeeskarami, Leila Shahbaznejad, Raheleh Assari, Yahya Aghighi
INTRODUCTION: Headache is a common neuropsychiatric manifestation of juvenile systemic lupus erythematous (JSLE). Pseudotumor cerebri (PTC) is an uncommon cause of headache, presenting especially in active JSLE. In this paper, we report a case of missed intractable headache that was eventually diagnosed as PTC and presented as the first manifestation of JSLE. CASE PRESENTATION: A 9-year-old girl with a history of progressive headache for four months, fever, fatigue, myalgia, arthralgia, small-joint arthritis of the hands, and recent diplopia was referred to our clinic...
October 2016: Iranian Journal of Pediatrics
https://www.readbyqxmd.com/read/28203143/pregenual-anterior-cingulate-gyrus-involvement-in-spontaneous-social-interactions-in-primates-evidence-from-behavioral-pharmacological-neuropsychiatric-and-neurophysiological-findings
#5
Can Van Mao, Mariana F P Araujo, Hiroshi Nishimaru, Jumpei Matsumoto, Ahn Hai Tran, Etsuro Hori, Taketoshi Ono, Hisao Nishijo
The anterior cingulate cortex (ACC) has been implicated in different aspects of cognition and decision making, including social cognition. Several studies suggest that this region is actually formed by sub-regions concerned with distinct cognitive functions. The ACC is usually divided in its rostro-caudal axis, with the caudal ACC playing a major role in processing own actions, and the rostral ACC being related to social cognition. Recently, it has been suggested that the ACC can also be functionally divided in its dorso-ventral axis into ACC gyrus (ACCg) and ACC sulcus (ACCs), with the ACCg having a central role in processing social information...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28202261/hyperprolinemia-as-a-clue-in-the-diagnosis-of-a-patient-with-psychiatric-manifestations
#6
Marco Duarte, Joana Afonso, Ana Moreira, Diana Antunes, Cristina Ferreira, Hildeberto Correia, Margarida Marques, Sílvia Sequeira
Lately, microdeletions of the 22q region, responsible for DiGeorge syndrome or velocardiofacial syndrome, have been increasingly related to neuropsychiatric disorders including schizophrenia and bipolar disorder. These manifestations seem to be related to certain genes located in the hemideleted region such as the proline dehydrogenase (PRODH) and the catechol-o-methyltransferase (COMT) genes. We describe a teenager who started his adolescent psychiatric care presenting cognitive impairment, irritable mood and aggressive behaviour with schizophrenia-like symptoms that scored 153 in the Positive and Negative Symptoms Scale (PANSS) assessment...
February 12, 2017: Brain & Development
https://www.readbyqxmd.com/read/28196556/approach-to-atypical-alzheimer-s-disease-and-case-studies-of-the-major-subtypes
#7
Bradford C Dickerson, Scott M McGinnis, Chenjie Xia, Bruce H Price, Alireza Atri, Melissa E Murray, Mario F Mendez, David A Wolk
Alzheimer's disease (AD) has long been recognized as a heterogeneous illness, with a common clinical presentation of progressive amnesia and less common "atypical" clinical presentations, including syndromes dominated by visual, aphasic, "frontal," or apraxic symptoms. Our knowledge of atypical clinical phenotypes of AD comes from clinicopathologic studies, but with the growing use of in vivo molecular biomarkers of amyloid and tau pathology, we are beginning to recognize that these syndromes may not be as rare as once thought...
February 15, 2017: CNS Spectrums
https://www.readbyqxmd.com/read/28194001/enhancing-vta-cav1-3-l-type-ca-2-channel-activity-promotes-cocaine-and-mood-related-behaviors-via-overlapping-ampa-receptor-mechanisms-in-the-nucleus-accumbens
#8
A Martínez-Rivera, J Hao, T F Tropea, T P Giordano, M Kosovsky, R C Rice, A Lee, R L Huganir, J Striessnig, N A Addy, S Han, A M Rajadhyaksha
Genetic factors significantly influence susceptibility for substance abuse and mood disorders. Rodent studies have begun to elucidate a role of Cav1.3 L-type Ca(2+) channels in neuropsychiatric-related behaviors, such as addictive and depressive-like behaviors. Human studies have also linked the CACNA1D gene, which codes for the Cav1.3 protein, with bipolar disorder. However, the neurocircuitry and the molecular mechanisms underlying the role of Cav1.3 in neuropsychiatric phenotypes are not well established...
February 14, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28193688/compulsive-social-behavior-emerges-after-selective-ablation-of-striatal-cholinergic-interneurons
#9
Yanina V Martos, Barbara Y Braz, Juan P Beccaria, M Gustavo Murer, Juan E Belforte
The mechanisms underlying social dysfunction in neuropsychiatric conditions like obsessive-compulsive disorder (OCD) and Tourette syndrome (TS) remain uncertain. Dysfunctions in basal ganglia, including reduced number of striatal cholinergic interneurons (SCIN), have been involved in their pathophysiology. To explore the role of SCIN in relation to perseverative behaviors we characterized a new transgenic mouse model in which inducible ablation of SCIN is achieved with high efficiency in a cell-type and region specific manner...
February 13, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28192434/adverse-effects-of-mefloquine-for-the-treatment-of-uncomplicated-malaria-in-thailand-a-pooled-analysis-of-19-850-individual-patients
#10
Sue J Lee, Feiko O Ter Kuile, Ric N Price, Christine Luxemburger, François Nosten
Mefloquine (MQ) has been used for the treatment of malaria since the mid-1980s, first as monotherapy or as fixed combination with sulfadoxine-pyrimethamine (MSP) and since the mid-1990s in combination with artesunate. There is a renewed interested in MQ as part of a triple therapy for the treatment of multi-drug resistance P. falciparum malaria. The widespread use of MQ beyond south-East Asia has been constrained by reports of poor tolerability. Here we present the side effect profile of MQ for the treatment of uncomplicated malaria on the Thai-Myanmar/Cambodia borders...
2017: PloS One
https://www.readbyqxmd.com/read/28187857/adaptive-and-behavioral-changes-in-kynurenine-3-monooxygenase-knockout-mice-relevance-to-psychotic-disorders
#11
Sophie Erhardt, Ana Pocivavsek, Mariaelena Repici, Xi-Cong Liu, Sophie Imbeault, Daniel C Maddison, Marian A R Thomas, Joshua L Smalley, Markus K Larsson, Paul J Muchowski, Flaviano Giorgini, Robert Schwarcz
BACKGROUND: Kynurenine 3-monooxygenase converts kynurenine to 3-hydroxykynurenine, and its inhibition shunts the kynurenine pathway-which is implicated as dysfunctional in various psychiatric disorders-toward enhanced synthesis of kynurenic acid, an antagonist of both α7 nicotinic acetylcholine and N-methyl-D-aspartate receptors. Possibly as a result of reduced kynurenine 3-monooxygenase activity, elevated central nervous system levels of kynurenic acid have been found in patients with psychotic disorders, including schizophrenia...
December 16, 2016: Biological Psychiatry
https://www.readbyqxmd.com/read/28182127/impact-of-metoprolol-treatment-on-mental-status-of-chronic-heart-failure-patients-with-neuropsychiatric-disorders
#12
Xuelu Liu, Xueming Lou, Xianliang Cheng, Yong Meng
BACKGROUND: Metoprolol treatment is well established for chronic heart failure (CHF) patients, but the central nervous system side effects are often a potential drawback. OBJECTIVE: To investigate the impact of metoprolol treatment on change in mental status of CHF patients with clinical psychological disorders (such as depression, anxiety, and burnout syndrome). METHODS: From February 2013 to April 2016, CHF patients with clinical mental disorders received metoprolol (23...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28178431/neuropsychiatric-systemic-lupus-erythematosus-involvement-towards-a-tailored-approach-to-our-patients
#13
REVIEW
Raquel Faria, João Gonçalves, Rita Dias
Neuropsychiatric involvement in systemic lupus erythematosus (NPSLE) is a complex condition that remains poorly understood, and includes heterogeneous manifestations involving both the central and peripheral nervous system, with disabling effects. There are several models to improve NPSLE diagnosis when a neurological syndrome is present. In the last couple of years, the growing knowledge of the role of cytokines and antibodies in NPSLE, as well as the development of new functional imaging techniques, has brought some insights into the physiopathology of the disease, but their validation for clinical use remains undetermined...
January 30, 2017: Rambam Maimonides Medical Journal
https://www.readbyqxmd.com/read/28176274/microglial-function-during-glucose-deprivation-inflammatory-and-neuropsychiatric-implications
#14
Matthew A Churchward, Devan R Tchir, Kathryn G Todd
Inflammation is increasingly recognized as a contributor to the pathophysiology of neuropsychiatric disorders, including depression, anxiety disorders and autism, though the factors leading to contextually inappropriate or sustained inflammation in pathological conditions are yet to be elucidated. Microglia, as the key mediators of inflammation in the CNS, serve as likely candidates in initiating pathological inflammation and as an ideal point of therapeutic intervention. Glucose deprivation, as a component of the pathophysiology of ischemia or occurring transiently in diabetes, may serve to modify microglial function contributing to inflammatory injury...
February 7, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28174689/characterization-of-murine-polyspecific-monoamine-transporters
#15
Yamato Miura, Takeo Yoshikawa, Fumito Naganuma, Tadaho Nakamura, Tomomitsu Iida, Anikó Kárpáti, Takuro Matsuzawa, Asuka Mogi, Ryuichi Harada, Kazuhiko Yanai
The dysregulation of monoamine clearance in the central nervous system occurs in various neuropsychiatric disorders, and the role of polyspecific monoamine transporters in monoamine clearance is increasingly highlighted in recent studies. However, no study to date has properly characterized polyspecific monoamine transporters in the mouse brain. In the present study, we examined the kinetic properties of three mouse polyspecific monoamine transporters [organic cation transporter 2 (Oct2), Oct3, and plasma membrane monoamine transporter (Pmat)] and compared the absolute mRNA expression levels of these transporters in various brain areas...
February 2017: FEBS Open Bio
https://www.readbyqxmd.com/read/28166327/neurological-autoantibody-prevalence-in-epilepsy-of-unknown-etiology
#16
Divyanshu Dubey, Abdulradha Alqallaf, Ryan Hays, Matthew Freeman, Kevin Chen, Kan Ding, Mark Agostini, Steven Vernino
Importance: Autoimmune epilepsy is an underrecognized condition, and its true incidence is unknown. Identifying patients with an underlying autoimmune origin is critical because these patients' condition may remain refractory to conventional antiseizure medications but may respond to immunotherapy. Objective: To determine the prevalence of neurological autoantibodies (Abs) among adult patients with epilepsy of unknown etiology. Design, Setting, and Participants: Consecutive patients presenting to neurology services with new-onset epilepsy or established epilepsy of unknown etiology were identified...
February 6, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28166306/identification-of-shared-risk-loci-and-pathways-for-bipolar-disorder-and-schizophrenia
#17
Andreas J Forstner, Julian Hecker, Andrea Hofmann, Anna Maaser, Céline S Reinbold, Thomas W Mühleisen, Markus Leber, Jana Strohmaier, Franziska Degenhardt, Jens Treutlein, Manuel Mattheisen, Johannes Schumacher, Fabian Streit, Sandra Meier, Stefan Herms, Per Hoffmann, André Lacour, Stephanie H Witt, Andreas Reif, Bertram Müller-Myhsok, Susanne Lucae, Wolfgang Maier, Markus Schwarz, Helmut Vedder, Jutta Kammerer-Ciernioch, Andrea Pfennig, Michael Bauer, Martin Hautzinger, Susanne Moebus, Lorena M Schenk, Sascha B Fischer, Sugirthan Sivalingam, Piotr M Czerski, Joanna Hauser, Jolanta Lissowska, Neonila Szeszenia-Dabrowska, Paul Brennan, James D McKay, Adam Wright, Philip B Mitchell, Janice M Fullerton, Peter R Schofield, Grant W Montgomery, Sarah E Medland, Scott D Gordon, Nicholas G Martin, Valery Krasnov, Alexander Chuchalin, Gulja Babadjanova, Galina Pantelejeva, Lilia I Abramova, Alexander S Tiganov, Alexey Polonikov, Elza Khusnutdinova, Martin Alda, Cristiana Cruceanu, Guy A Rouleau, Gustavo Turecki, Catherine Laprise, Fabio Rivas, Fermin Mayoral, Manolis Kogevinas, Maria Grigoroiu-Serbanescu, Tim Becker, Thomas G Schulze, Marcella Rietschel, Sven Cichon, Heide Fier, Markus M Nöthen
Bipolar disorder (BD) is a highly heritable neuropsychiatric disease characterized by recurrent episodes of mania and depression. BD shows substantial clinical and genetic overlap with other psychiatric disorders, in particular schizophrenia (SCZ). The genes underlying this etiological overlap remain largely unknown. A recent SCZ genome wide association study (GWAS) by the Psychiatric Genomics Consortium identified 128 independent genome-wide significant single nucleotide polymorphisms (SNPs). The present study investigated whether these SCZ-associated SNPs also contribute to BD development through the performance of association testing in a large BD GWAS dataset (9747 patients, 14278 controls)...
2017: PloS One
https://www.readbyqxmd.com/read/28163856/29-year-old-man-with-multiple-sclerosis-and-schizophrenia-a-case-report
#18
Nahid Noorani, Fateme Hadi, Hamid Reza Ahmadkhaniha
Multiple sclerosis (MS) is the most common debilitating neurological disease that affects adults, whether young adults or middle-aged. Although, most attention is toward the neurological signs of the disease, the neuropsychiatric signs are not uncommon. This case report presents a 29 year old male with a record of obsessive-compulsive disorder (OCD) without psychotic disorder, which coincides with the diagnosis MS, has been stricken to auditory hallucinations and reference delusion. The patient received some antipsychotic drugs such as Haloperidol and Perphenazine irregularly, but any psychotic signs of the patient were never in control...
December 2016: Electronic Physician
https://www.readbyqxmd.com/read/28161298/correlative-analysis-of-dopaminergic-and-serotonergic-metabolism-across-the-brain-to-study-monoaminergic-function-and-interaction
#19
Françoise Dellu-Hagedorn, Aurélie Fitoussi, Philippe De Deurwaerdère
BACKGROUND: The widespread innervation of dopamine (DA) and serotonin (5-HT) systems in cortical and subcortical regions suggests that their biochemical interactions can occur in multiple regions directly or indirectly via neurobiological networks. NEW METHOD: The present study was aimed at validating a neurochemical approach of monoaminergic function based on inter-individual variability of monoamine tissue contents in various cortical and subcortical areas. We focused on monoamines metabolism and examined correlations within and between these monoaminergic systems in selected regions for the metabolites 3,4-dihydroxyphenylacetic acid (DOPAC) and/or homovanillic acid (HVA) and 5-hydroxyindole acetic acid (5-HIAA) alone or with respect to the turnover indexes DOPAC/DA, DOPAC+HVA/DA and 5-HIAA/5-HT...
February 1, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28160656/resilience-to-traumatic-events-related-to-urban-violence-and-increased-il10-serum-levels
#20
Stefania P Teche, Diego L Rovaris, Bianca W Aguiar, Simone Hauck, Eduardo S Vitola, Claiton H D Bau, Lucia H Freitas, Eugenio H Grevet
The exposition to traumatic events related to urban violence is epidemic in Brazil, with rate of 80% in the general population, and is becoming a major cause of post-traumatic stress disorder (PTSD). The objective of the study was to compare serum levels of pro-inflammatory interleukin-6 (IL-6) and anti-inflammatory interleukin-10 (IL-10) in PTSD and resilient individuals. We hypothesized that resilient individuals present an attenuated pro-inflammatory and enhanced anti-inflammatory state. We conducted a case-control study comparing 30 resilient individuals and 30 PTSD patients exposed to traumatic events related to urban violence...
January 25, 2017: Psychiatry Research
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