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N-acetylcysteine and psychiatric disorders

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https://www.readbyqxmd.com/read/27766914/n-acetylcysteine-in-the-treatment-of-psychiatric-disorders-current-status-and-future-prospects
#1
Alessandro Minarini, Silvia Ferrari, Martina Galletti, Nina Giambalvo, Daniela Perrone, Giulia Rioli, Gian Maria Galeazzi
N-acetylcysteine (NAC) is widely known for its role as a mucolytic and as an antidote to paracetamol overdose. There is increasing interest in the use of NAC in the treatment of several psychiatric disorders. The rationale for the administration of NAC in psychiatric conditions is based on its role as a precursor to the antioxidant glutathione, and its action as a modulating agent of glutamatergic, dopaminergic, neurotropic and inflammatory pathways. Areas covered: This study reviews the available data regarding the use of NAC in different psychiatric disorders including substance use disorders, autism, obsessive-compulsive spectrum disorders, schizophrenia, depression, bipolar disorder...
November 2, 2016: Expert Opinion on Drug Metabolism & Toxicology
https://www.readbyqxmd.com/read/27725170/anxiolytic-properties-of-n-acetylcysteine-in-mice
#2
Patrícia Santos, Ana P Herrmann, Radharani Benvenutti, Guilherme Noetzold, Franciele Giongo, Clarissa S Gama, Angelo L Piato, Elaine Elisabetsky
Anxiety disorders are highly prevalent and often result in poor quality of life. Available anxiolytics show significant adverse effects as well as partial efficacy in a sizable part of patients. Innovative treatments with more favorable risk-benefit ratio are sorely needed. A growing body of clinical data indicates the benefits of N-acetylcysteine (NAC) in psychiatric conditions. NAC modulates antioxidant, glutamatergic, inflammatory and neurotrophic pathways in the central nervous system, all of which are relevant to anxiety pathology...
October 7, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/27179791/n-acetylcysteine-modulates-glutamatergic-dysfunction-and-depressive-behavior-in-huntington-s-disease
#3
Dean J Wright, Laura J Gray, David I Finkelstein, Peter J Crouch, David Pow, Terence Y Pang, Shanshan Li, Zoe M Smith, Paul S Francis, Thibault Renoir, Anthony J Hannan
Glutamatergic dysfunction has been implicated in the pathogenesis of depressive disorders and Huntington's disease (HD), in which depression is the most common psychiatric symptom. Synaptic glutamate homeostasis is regulated by cystine-dependent glutamate transporters, including GLT-1 and system xc(-) In HD, the enzyme regulating cysteine (and subsequently cystine) production, cystathionine-γ-lygase, has recently been shown to be lowered. The aim of the present study was to establish whether cysteine supplementation, using N-acetylcysteine (NAC) could ameliorate glutamate pathology through the cystine-dependent transporters, system xc(-) and GLT-1...
May 14, 2016: Human Molecular Genetics
https://www.readbyqxmd.com/read/27163208/synaptic-and-cellular-changes-induced-by-the-schizophrenia-susceptibility-gene-g72-are-rescued-by-n-acetylcysteine-treatment
#4
B Pósfai, C Cserép, P Hegedüs, E Szabadits, D M Otte, A Zimmer, M Watanabe, T F Freund, G Nyiri
Genetic studies have linked the primate-specific gene locus G72 to the development of schizophrenia and bipolar disorder. Transgenic mice carrying the entire gene locus express G72 mRNA in dentate gyrus (DG) and entorhinal cortex, causing altered electrophysiological properties of their connections. These transgenic mice exhibit behavioral alterations related to psychiatric diseases, including cognitive deficits that can be reversed by treatment with N-acetylcysteine, which was also found to be effective in human patients...
May 10, 2016: Translational Psychiatry
https://www.readbyqxmd.com/read/27137430/n-acetylcysteine-in-depressive-symptoms-and-functionality-a-systematic-review-and-meta-analysis
#5
Brisa S Fernandes, Olivia M Dean, Seetal Dodd, Gin S Malhi, Michael Berk
OBJECTIVE: To assess the utility of N-acetylcysteine administration for depressive symptoms in subjects with psychiatric conditions using a systematic review and meta-analysis. DATA SOURCES: A computerized literature search was conducted in MEDLINE, Embase, the Cochrane Library, SciELO, PsycINFO, Scopus, and Web of Knowledge. No year or country restrictions were used. The Boolean terms used for the electronic database search were (NAC OR N-acetylcysteine OR acetylcysteine) AND (depression OR depressive OR depressed) AND (trial)...
April 2016: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/26900888/interventions-for-comorbid-problem-gambling-and-psychiatric-disorders-advancing-a-developing-field-of-research
#6
REVIEW
N A Dowling, S S Merkouris, F K Lorains
Despite significant psychiatric comorbidity in problem gambling, there is little evidence on which to base treatment recommendations for subpopulations of problem gamblers with comorbid psychiatric disorders. This mini-review draws on two separate systematic searches to identify possible interventions for comorbid problem gambling and psychiatric disorders, highlight the gaps in the currently available evidence base, and stimulate further research in this area. In this mini-review, only 21 studies that have conducted post-hoc analyses to explore the influence of psychiatric disorders or problem gambling subtypes on gambling outcomes from different types of treatment were identified...
July 2016: Addictive Behaviors
https://www.readbyqxmd.com/read/26261019/n-acetylcysteine-prevents-stress-induced-anxiety-behavior-in-zebrafish
#7
Ricieri Mocelin, Ana P Herrmann, Matheus Marcon, Cassiano L Rambo, Aline Rohden, Fernanda Bevilaqua, Murilo Sander de Abreu, Leila Zanatta, Elaine Elisabetsky, Leonardo J G Barcellos, Diogo R Lara, Angelo L Piato
Despite the recent advances in understanding the pathophysiology of anxiety disorders, the pharmacological treatments currently available are limited in efficacy and induce serious side effects. A possible strategy to achieve clinical benefits is drug repurposing, i.e., discovery of novel applications for old drugs, bringing new treatment options to the market and to the patients who need them. N-acetylcysteine (NAC), a commonly used mucolytic and paracetamol antidote, has emerged as a promising molecule for the treatment of several neuropsychiatric disorders...
December 2015: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/25957927/clinical-trials-of-n-acetylcysteine-in-psychiatry-and-neurology-a-systematic-review
#8
REVIEW
Deepmala, John Slattery, Nihit Kumar, Leanna Delhey, Michael Berk, Olivia Dean, Charles Spielholz, Richard Frye
N-acetylcysteine (NAC) is recognized for its role in acetaminophen overdose and as a mucolytic. Over the past decade, there has been growing evidence for the use of NAC in treating psychiatric and neurological disorders, considering its role in attenuating pathophysiological processes associated with these disorders, including oxidative stress, apoptosis, mitochondrial dysfunction, neuroinflammation and glutamate and dopamine dysregulation. In this systematic review we find favorable evidence for the use of NAC in several psychiatric and neurological disorders, particularly autism, Alzheimer's disease, cocaine and cannabis addiction, bipolar disorder, depression, trichotillomania, nail biting, skin picking, obsessive-compulsive disorder, schizophrenia, drug-induced neuropathy and progressive myoclonic epilepsy...
August 2015: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/25937502/the-effects-of-n-acetylcysteine-and-or-deferoxamine-on-manic-like-behavior-and-brain-oxidative-damage-in-mice-submitted-to-the-paradoxal-sleep-deprivation-model-of-mania
#9
Camila O Arent, Samira S Valvassori, Amanda V Steckert, Wilson R Resende, Gustavo C Dal-Pont, Jéssica Lopes-Borges, Rafaela T Amboni, Guilherme Bianchini, João Quevedo
Bipolar disorder (BD) is a severe psychiatric disorder associated with social and functional impairment. Some studies have strongly suggested the involvement of oxidative stress in the pathophysiology of BD. Paradoxal sleep deprivation (PSD) in mice has been considered a good animal model of mania because it induces similar manic-like behavior, as well as producing the neurochemical alterations which have been observed in bipolar patients. Thus, the objective of the present study was to evaluate the effects of the antioxidant agent's n-acetylcysteine (Nac) and/or deferoxamine (DFX) on behavior and the oxidative stress parameters in the brains of mice submitted to the animal model of mania induced by PSD...
June 2015: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/25599341/cognitive-and-behavioural-aspects-of-prader-willi-syndrome
#10
REVIEW
Lauren J Rice, Stewart L Einfeld
PURPOSE OF REVIEW: To provide a review of the recent advances in the diagnosis and treatment of psychiatric disorders in Prader-Willi syndrome (PWS). RECENT FINDINGS: Research in the last 12 months has provided a descriptive prognosis of psychosis in PWS and highlighted the possible genes associated with the increased risk of psychosis for those with maternal uniparental disomy (mUPD). Several studies investigating social and communication skills have shown people with PWS to have difficulty with core, receptive and expressive language skills, interpreting emotional valence in faces, playing with children of their own age, understanding personal space and a developmental delay in the theory of mind...
March 2015: Current Opinion in Psychiatry
https://www.readbyqxmd.com/read/25580916/n-acetylcysteine-as-an-adjunctive-therapy-to-risperidone-for-treatment-of-irritability-in-autism-a-randomized-double-blind-placebo-controlled-clinical-trial-of-efficacy-and-safety
#11
RANDOMIZED CONTROLLED TRIAL
Mohammadali Nikoo, Hanieh Radnia, Mehdi Farokhnia, Mohammad-Reza Mohammadi, Shahin Akhondzadeh
OBJECTIVES: According to the proposed interference of N-acetylcysteine (NAC) with pathophysiologic processes of autistic disorders (ADs), we aimed to assess the effectiveness and safety of NAC as an adjunct to risperidone in the treatment of ADs in a randomized, double-blind, clinical trial. METHODS: The participants were referred outpatients between 4 and 12 years of age with the diagnosis of ADs and a score of more than 12 on Aberrant Behavior Checklist-Community (ABC-C) Irritability subscale score...
January 2015: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/25562842/n-acetylcysteine-improves-mitochondrial-function-and-ameliorates-behavioral-deficits-in-the-r6-1-mouse-model-of-huntington-s-disease
#12
D J Wright, T Renoir, Z M Smith, A E Frazier, P S Francis, D R Thorburn, S L McGee, A J Hannan, L J Gray
Huntington's disease (HD) is a neurodegenerative disorder, involving psychiatric, cognitive and motor symptoms, caused by a CAG-repeat expansion encoding an extended polyglutamine tract in the huntingtin protein. Oxidative stress and excitotoxicity have previously been implicated in the pathogenesis of HD. We hypothesized that N-acetylcysteine (NAC) may reduce both excitotoxicity and oxidative stress through its actions on glutamate reuptake and antioxidant capacity. The R6/1 transgenic mouse model of HD was used to investigate the effects of NAC on HD pathology...
2015: Translational Psychiatry
https://www.readbyqxmd.com/read/25439852/-treatment-resistant-anxiety-disorders-a-literature-review-of-drug-therapy-strategies
#13
REVIEW
G Ammar, W J Naja, A Pelissolo
Anxiety disorders are widespread psychiatric conditions with significant social and professional disability, poor quality of life, an increased risk of suicide, and frequent attendance of medical services. Serotonin reuptake inhibitors (SRI) and serotonin and norepinephrine reuptake inhibitors (SNRI) have demonstrated a rather robust efficacy for the treatment of most of anxiety disorders. Nevertheless a substantial number of patients are resistant or still suffer from residual symptoms despite this first line treatment...
June 2015: L'Encéphale
https://www.readbyqxmd.com/read/25421417/-nutrition-and-dietary-supplements-in-psychiatric-diseases
#14
REVIEW
H Himmerich, F Erbguth
Nutrition and specific nutritional supplements can have prophylactic or therapeutic properties with respect to certain psychiatric disorders. A traditional Mediterranean diet, for example, seems to have prophylactic benefits against depression and dementia, whereas overeating and obesity increase the risk for both.Although evidence for nutritional supplements in the treatment of psychiatric disorders is not sufficient for general recommendations, data from observational studies and randomized controlled trials (RCT) seem to point to their use for specific indications...
December 2014: Der Nervenarzt
https://www.readbyqxmd.com/read/25295681/design-and-rationale-of-a-16-week-adjunctive-randomized-placebo-controlled-trial-of-mitochondrial-agents-for-the-treatment-of-bipolar-depression
#15
RANDOMIZED CONTROLLED TRIAL
Olivia M Dean, Alyna Turner, Gin S Malhi, Chee Ng, Sue M Cotton, Seetal Dodd, Jerome Sarris, Yuval Samuni, Michelle Tanious, Nathan Dowling, Astrid Waterdrinker, Deidre Smith, Michael Berk
OBJECTIVE: Bipolar disorder places a significant burden on individuals, caregivers and family, and the broader community. Current treatments are believed to be more effective against manic symptoms, leaving a shortfall in recovery during the depressive phase of the illness. The current study draws on recent evidence suggesting that, in addition to increased oxidative load, alterations in mitochondrial function occur in bipolar disorder. METHODS: This 16-week study aims to explore the potential benefits of N-acetylcysteine (NAC) alone or in combination (CT) with selected nutraceuticals believed to enhance mitochondrial function...
January 2015: Revista Brasileira de Psiquiatria
https://www.readbyqxmd.com/read/25004186/the-efficacy-of-adjunctive-n-acetylcysteine-in-major-depressive-disorder-a-double-blind-randomized-placebo-controlled-trial
#16
RANDOMIZED CONTROLLED TRIAL
Michael Berk, Olivia M Dean, Sue M Cotton, Susan Jeavons, Michelle Tanious, Kristy Kohlmann, Karen Hewitt, Kirsteen Moss, Christine Allwang, Ian Schapkaitz, Jenny Robbins, Heidi Cobb, Felicity Ng, Seetal Dodd, Ashley I Bush, Gin S Malhi
OBJECTIVE: Major depressive disorder (MDD) is one of the most common psychiatric disorders, conferring considerable individual, family, and community burden. To date, treatments for MDD have been derived from the monoamine hypothesis, and there is a paucity of emerging antidepressants, especially with novel mechanisms of action and treatment targets. N-acetylcysteine (NAC) is a redox-active glutathione precursor that decreases inflammatory cytokines, modulates glutamate, promotes neurogenesis, and decreases apoptosis, all of which contribute to the neurobiology of depression...
June 2014: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/24553004/oxidative-stress-markers-in-affective-disorders
#17
REVIEW
Marcin Siwek, Magdalena Sowa-Kućma, Dominika Dudek, Krzysztof Styczeń, Bernadeta Szewczyk, Katarzyna Kotarska, Paulina Misztakk, Agnieszka Pilc, Małgorzata Wolak, Gabriel Nowak
Affective disorders are a medical condition with a complex biological pattern of etiology, involving genetic and epigenetic factors, along with different environmental stressors. Increasing numbers of studies indicate that induction of oxidative and nitrosative stress (O&NS) pathways, which is accompanied by immune-inflammatory response, might play an important role in the pathogenic mechanisms underlying many major psychiatric disorders, including depression and bipolar disorder. Reactive oxygen and nitrogen species have been shown to impair the brain function by modulating activity of principal neurotransmitter (e...
2013: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/24345329/a-randomized-placebo-controlled-trial-of-n-acetylcysteine-plus-imaginal-desensitization-for-nicotine-dependent-pathological-gamblers
#18
RANDOMIZED CONTROLLED TRIAL
Jon E Grant, Brian L Odlaug, Samuel R Chamberlain, Marc N Potenza, Liana R N Schreiber, Christopher B Donahue, Suck Won Kim
OBJECTIVE: Pathological gambling is associated with elevated proportions of nicotine dependence, and tobacco smoking in pathological gamblers has been associated with increased problem-gambling severity. This study examined the addition of N-acetylcysteine to imaginal desensitization in adults with co-occurring nicotine dependence and pathological gambling. METHOD: Twenty-eight individuals with co-occurring DSM-IV nicotine dependence and pathological gambling who were receiving behavioral therapy were recruited from December 2009 to February 2012 and randomized to augmentation with N-acetylcysteine or placebo in an 12-week, double-blind trial...
January 2014: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/24298758/considering-biomedical-cam-treatments
#19
Jenna X Cheng, Felicia Widjaja, Jae Eun Choi, Robert L Hendren
Complementary and alternative medicine (CAM) is widely used to treat children with psychiatric disorders. In this review, MedLine was searched for various biomedical/CAM treatments in combination with the key words "childre", "adolescents", "psychiatric disorders", and "complementary alternative medicine". The biomedical/CAM treatments most thoroughly researched were omega-3 fatty acids, melatonin, and memantine. Those with the fewest published studies were N-acetylcysteine, vitamin B12, and oxytocin, although many biomedical/CAM treatments have no published studies...
August 2013: Adolescent Medicine: State of the Art Reviews
https://www.readbyqxmd.com/read/23960053/the-epidemiology-and-management-of-adult-poisonings-admitted-to-the-short-stay-ward-of-a-large-scottish-emergency-department
#20
A I C Teo, J G Cooper
BACKGROUND AND AIMS: The emergency department of Aberdeen Royal Infirmary receives around 68,000 new adult admissions annually. All poisoning cases are admitted to a 14-bedded short-stay ward, except those admitted to intensive care or immediately discharged. This study aimed to analyse epidemiological trends and management of short-stay ward admissions for poisonings. METHOD AND RESULTS: Adult (>13 years) poisoning presentations admitted to the emergency department short-stay ward of Aberdeen Royal Infirmary from 1 January-31 December 2009 were retrospectively reviewed using patient discharge summaries...
August 2013: Scottish Medical Journal
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