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https://www.readbyqxmd.com/read/28433669/environmental-enrichment-reverses-memory-impairment-induced-by-toluene-in-mice
#1
Sergio Montes, Rocío Del Carmen Solís-Guillen, David García-Jácome, Nayeli Páez-Martínez
Toluene is the main component of a variety of inhalants that are used for intoxication purposes. Alterations in memory have been reported in inhalant users; however, it is unclear whether these impairments could be reversed, and the mechanisms involved in the putative recovery. Therefore, the main purpose of this study was to model the deleterious effects of toluene on memory in mice and to evaluate the effect of environmental enrichment on that response. In the second part of the study, the concentrations of glutamate and GABA, following chronic toluene exposure and after environmental enrichment treatment, were evaluated...
April 19, 2017: Neurotoxicology and Teratology
https://www.readbyqxmd.com/read/28433423/prefrontal-cortex-expression-of-chromatin-modifier-genes-in-male-wsp-and-wsr-mice-changes-across-ethanol-dependence-withdrawal-and-abstinence
#2
Joel G Hashimoto, David P Gavin, Kristine M Wiren, John C Crabbe, Marina Guizzetti
Alcohol-use disorder (AUD) is a relapsing disorder associated with excessive ethanol consumption. Recent studies support the involvement of epigenetic mechanisms in the development of AUD. Studies carried out so far have focused on a few specific epigenetic modifications. The goal of this project was to investigate gene expression changes of epigenetic regulators that mediate a broad array of chromatin modifications after chronic alcohol exposure, chronic alcohol exposure followed by 8 h withdrawal, and chronic alcohol exposure followed by 21 days of abstinence in Withdrawal-Resistant (WSR) and Withdrawal Seizure-Prone (WSP) selected mouse lines...
March 14, 2017: Alcohol
https://www.readbyqxmd.com/read/28430618/t-2-mycotoxin-toxicological-effects-and-decontamination-strategies
#3
REVIEW
Manish Adhikari, Bhawana Negi, Neha Kaushik, Anupriya Adhikari, Abdulaziz A Al-Khedhairy, Nagendra Kumar Kaushik, Eun Ha Choi
Mycotoxins are highly diverse secondary metabolites produced in nature by a wide variety of fungus which causes food contamination, resulting in mycotoxicosis in animals and humans. In particular, trichothecenes mycotoxin produced by genus fusarium is agriculturally more important worldwide due to the potential health hazards they pose. It is mainly metabolized and eliminated after ingestion, yielding more than 20 metabolites with the hydroxy trichothecenes-2 toxin being the major metabolite. Trichothecene is hazardously intoxicating due to their additional potential to be topically absorbed, and their metabolites affect the gastrointestinal tract, skin, kidney, liver, and immune and hematopoietic progenitor cellular systems...
February 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28429402/effectiveness-of-community-based-interventions-for-reducing-alcohol-related-harm-in-two-metropolitan-and-two-regional-sites-in-victoria-australia
#4
Ashlee Curtis, Kerri Coomber, Nicolas Droste, Shannon Hyder, Darren Palmer, Peter G Miller
INTRODUCTION AND AIMS: The relationship between alcohol intoxication and harm is well known, and many community-based interventions have been introduced in an attempt to reduce the rates of alcohol-related harm. The current paper uses two metropolitan and two regional Australian cities as sites to investigate the impact of community-based interventions on the reduction of alcohol-related harms. DESIGN AND METHODS: Data for injury-related emergency department (ED) presentations and police attended assaults during high-alcohol hours (i...
April 20, 2017: Drug and Alcohol Review
https://www.readbyqxmd.com/read/28428958/debromoaplysiatoxin-as-the-causative-agent-of-dermatitis-in-a-dog-after-exposure-to-freshwater-in-california
#5
Birgit Puschner, Adrienne C Bautista, Chris Wong
Contamination of recreational waters with cyanobacterial toxins continues to increase and presents a risk to animals and humans. Although cases of acute hepato- and neurotoxicoses in dogs following cyanotoxin exposure exist, no reports of skin-related reactions in dogs exist. A 5-year-old female spayed 34 kg Bracco Italiano was initially presented for rapid onset of severe pruritus and urticaria. Marked excoriation and erythema were noted over the chest and neck, while urticaria was noted in the inguinal regions and ventral abdomen...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28427777/extrapontine-myelinolysis-in-a-child-with-salt-intoxication
#6
Janaki D Vakharia, Bracha Goldsweig, Jeffery M Rogg, Lisa Swartz Topor
No abstract text is available yet for this article.
April 18, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28427424/microglial-depletion-alters-the-brain-neuroimmune-response-to-acute-binge-ethanol-withdrawal
#7
T Jordan Walter, Fulton T Crews
BACKGROUND: Recent studies have implicated microglia-the resident immune cells of the brain-in the pathophysiology of alcoholism. Indeed, post-mortem alcoholic brains show increased microglial markers and increased immune gene expression; however, the effects of ethanol on microglial functioning and how this impacts the brain remain unclear. In this present study, we investigate the effects of acute binge ethanol on microglia and how microglial depletion changes the brain neuroimmune response to acute binge ethanol withdrawal...
April 20, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28427286/incomes-and-outcomes-social-security-disability-benefits-in-first-episode-psychosis
#8
Robert A Rosenheck, Sue E Estroff, Kyaw Sint, Haiqun Lin, Kim T Mueser, Delbert G Robinson, Nina R Schooler, Patricia Marcy, John M Kane
OBJECTIVE: Social Security Administration (SSA) disability benefits are an important source of income for people with psychoses and confer eligibility for health insurance. The authors examined the impact of coordinated specialty care on receipt of such benefits in first-episode psychosis, along with the correlates and consequences of receiving them. METHOD: The Recovery After an Initial Schizophrenia Episode-Early Treatment Program (RAISE-ETP) study, a 34-site cluster-randomized trial, compared NAVIGATE, a coordinated specialty care program, to usual community care over 2 years...
April 21, 2017: American Journal of Psychiatry
https://www.readbyqxmd.com/read/28427112/acute-encephalopathy-in-a-2-year-old-pot-bellied-pig-following-accidental-intoxication-with-clonazepam
#9
Emilie L Setlakwe, Amy L Johnson
OBJECTIVE: To describe a case of successful management of clonazepam toxicity causing encephalopathy in a pot-bellied pig. CASE SUMMARY: A 2-year-old female pot-bellied pig weighing 13.5 kg was presented for evaluation of clinical signs of acute encephalopathy. Based on the animal's history and clinical signs, a tentative diagnosis of benzodiazepine (BZP) intoxication was made. The results of a urinary drug screening test designed to detect illicit substances in human urine indicated benzodiazepine exposure...
April 20, 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28426358/effects-of-workplace-generalized-and-sexual-harassment-on-abusive-drinking-among-first-year-male-and-female-college-students-does-prior-drinking-experience-matter
#10
Kathleen M Rospenda, Kaori Fujishiro, Meredith McGinley, Jennifer M Wolff, Judith A Richman
BACKGROUND: Workplace harassment, a known risk factor for adult drinking, is understudied in college samples, but may help explain observed gender differences in drinking patterns. OBJECTIVE: We examine effects of sexual and generalized workplace harassment on changes in drinking behavior over the first semesters of college, and the extent to which these effects differ based on prematriculation drinking for men and women students. METHOD: Data derive from two waves of a longitudinal study of eight Midwestern colleges and universities...
June 7, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28425821/l-carnitine-supplementation-to-reverse-hyperammonemia-in-a-patient-undergoing-chronic-valproic-acid-treatment-a-case-report
#11
Cecilia Maldonado, Natalia Guevara, Alicia Silveira, Pietro Fagiolino, Marta Vázquez
Valproic acid is a broad-spectrum anticonvulsant that has also gained attention in the psychiatric setting. With respect to safety, valproic acid may induce a seemingly rare condition, hyperammonemia, which can induce a wide variety of symptoms ranging from irritability to coma. The proposed mechanism of hyperammonemia involves depletion of carnitine and overproduction of a toxic metabolite, 4-en-valproic acid, both of which impair the urea cycle and thus ammonia elimination. Carnitine is a commonly used antidote for acute intoxication of valproic acid, but is not a therapeutic option for management of chronic adults with adverse effects related to valproic acid...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28425475/insecticidal-activity-of-garlic-essential-oil-and-their-constituents-against-the-mealworm-beetle-tenebrio-molitor-linnaeus-coleoptera-tenebrionidae
#12
Angelica Plata-Rueda, Luis Carlos Martínez, Marcelo Henrique Dos Santos, Flávio Lemes Fernandes, Carlos Frederico Wilcken, Marcus Alvarenga Soares, José Eduardo Serrão, José Cola Zanuncio
This study evaluated the insecticidal activity of garlic, Allium sativum Linnaeus (Amaryllidaceae) essential oil and their principal constituents on Tenebrio molitor. Garlic essential oil, diallyl disulfide, and diallyl sulfide oil were used to compare the lethal and repellent effects on larvae, pupae and adults of T. molitor. Six concentrations of garlic essential oil and their principal constituents were topically applied onto larvae, pupae and adults of this insect. Repellent effect and respiration rate of each constituent was evaluated...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28425102/fatal-overdose-of-gamma-hydroxybutyrate-acid-after-ingestion-of-1-4-butanediol
#13
Erwan Le Garff, Vadim Mesli, Raphael Cornez, Christophe Demarly, Gilles Tournel, Valery Hédouin
We report a case of fatal intoxication from 1,4-butanediol (1,4-BD), which was ingested by a young and "naïve" gamma-hydroxybutyrate (GHB) consumer during a party with the co-ingestion of alcohol, cannabis, and methylene-dioxy-methamphetamine. The following drug concentrations were found using gas chromatography coupled with mass spectrometry on autopsy samples and on a cup and a glass found at the scene: 20,350 mg/L (bottle) for 1,4-BD; 1020 mg/L (femoral blood), 3380 mg/L (cardiac blood), 47,280 mg/L (gastric content), and 570 mg/L (vitreous humor) for GHB...
April 20, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28424315/prior-social-experience-affects-the-behavioral-and-neural-responses-to-acute-alcohol-in-juvenile-crayfish
#14
Matthew E Swierzbinski, Andrew R Lazarchik, Jens Herberholz
The effects of alcohol on society can be devastating, both as an immediate consequence of acute intoxication and as a powerful drug of abuse. However, the neurocellular mechanisms of alcohol intoxication are still elusive, partly because of the complex interactions between alcohol and nervous system function. We found that juvenile crayfish are behaviorally sensitive to acute alcohol exposure and progress through stages that are strikingly similar to those of most other intoxicated organisms. Most surprisingly, we found that the social history of the animals significantly modified the acute effects of alcohol...
April 15, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28424016/acute-brain-injury-following-illicit-drug-abuse-in-adolescent-and-young-adult-patients-spectrum-of-neuroimaging-findings
#15
Shai Shrot, Andrea Poretti, Elizabeth W Tucker, Bruno P Soares, Thierry Agm Huisman
The use of illicit drugs is currently a major medical problem among adolescents. Several illicit drugs have a high abuse potential and can be neurotoxic causing high morbidity and mortality. The clinical manifestation of adolescents with acute drug-induced neurotoxicity is often characterized by non-specific symptoms and findings. Early diagnosis is important to prevent death and permanent long-term neurological impairments. We report on clinical and neuroimaging findings in five adolescents with acute brain imaging following illicit drug intoxication to highlight the role of neuroimaging findings in the diagnostic work-up of pediatric acute drug-induced neurotoxicity...
April 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28422352/places-and-social-contexts-associated-with-simultaneous-use-of-alcohol-tobacco-and-marijuana-among-young-adults
#16
Sharon Lipperman-Kreda, Mallie J Paschall, Saltz Robert F, Christopher N Morrison
INTRODUCTION AND AIMS: Little is known about social-ecological correlates of simultaneous use of alcohol with other substances. This study examined places and social contexts associated with simultaneous use of alcohol, tobacco and marijuana among young adults. DESIGN AND METHODS: We used survey data obtained from 1538 young adult recent alcohol drinkers (49% male; 18-30 years old) in 24 non-contiguous cities in California. Event-level measures included alcohol, tobacco and marijuana use, drinking places and social characteristics of the event...
April 19, 2017: Drug and Alcohol Review
https://www.readbyqxmd.com/read/28421825/seizures-in-patients-with-acute-pesticide-intoxication-with-a-focus-on-glufosinate-ammonium
#17
S Park, D E Kim, S Y Park, H W Gil, S Y Hong
The incidence and clinical aspects of seizures remain to be elucidated in patients with acute pesticide intoxication. The present study included subjects who ingested pesticide with the intention of committing suicide and were treated at Soonchunhyang University Hospital (Cheonan, Korea) between January 2011 and December 2014. We analyzed the incidence and characterized the type and frequency of seizure, from the medical records of 464 patients with acute pesticide intoxication, according to the pesticide class...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/28421613/intoxication-related-amed-alcohol-mixed-with-energy-drink-expectancies-scale-initial-development-and-validation
#18
Kathleen E Miller, Kurt H Dermen, Joseph F Lucke
BACKGROUND: Young adult use of alcohol mixed with energy drinks (AmEDs) has been linked with elevated risks for a constellation of problem behaviors. These risks may be conditioned by expectancies regarding the effects of caffeine in conjunction with alcohol consumption. The aim of this study was to describe the construction and psychometric evaluation of the Intoxication-Related AmED Expectancies Scale (AmED_EXPI), 15 self-report items measuring beliefs about how the experience of AmED intoxication differs from the experience of noncaffeinated alcohol (NCA) intoxication...
April 19, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28421528/postnatal-lps-challenge-impacts-escape-learning-and-expression-of-plasticity-factors-mmp9-and-timp1-in-rats-effects-of-repeated-training
#19
Alexander Trofimov, Tatyana Strekalova, Niall Mortimer, Olga Zubareva, Alexander Schwarz, Evgeniy Svirin, Aleksei Umriukhin, Andrei Svistunov, Klaus-Peter Lesch, Victor Klimenko
Bacterial intoxication associated with inflammatory conditions during development can impair brain functions, in particular evolutionarily novel forms of memory, such as explicit learning. Little is known about the dangers of early-life inflammation on more basic forms of learning, for example, the acquisition of motor escape abilities, which are generally better preserved under pathological conditions. To address this limitation in knowledge, an inflammatory response was elicited in Wistar pups by lipopolysaccharide (LPS) injections (25 μg/kg) on postnatal days P15, P18 and P21...
April 18, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28419969/neurotoxic-effects-of-silver-nanoparticles-and-the-protective-role-of-rutin
#20
Mona M Ahmed, Mohamed M A Hussein
The toxicological studies on silver nanoparticles (Ag-NPs) have become a hot topic over the past few decades due to their unique properties on the nanoscale and widespread in many commercial products that launched into the market recently. This study was undertaken to shed light on Ag-NPs toxicity on neurotransmitters with special emphasis on the impact of concurrent administration of rutin with Ag-NPs in the experimental rats. The oral administration of Ag-NPs in rats induced brain oxidative stress, significant alterations in neurotransmitters and amino acids...
April 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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