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Substance-induced disorders

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https://www.readbyqxmd.com/read/28441106/jwh-122-consumption-adverse-effects-a-case-of-hallucinogen-persisting-perception-disorder-five-year-follow-up
#1
Maurizio Coppola, Raffaella Mondola
Synthetic cannabinoid receptor agonists are a heterogeneous group of psychotropic drugs functionally related to Δ9-tetrahydrocannabinol. These substances, marketed as cannabis substitutes, have been associated with numerous cases of severe intoxication and death across the world. In our article, we describe a case of hallucinogen persisting perception disorder developing in a natural cannabis user after consumption of JWH-122, a naphthoylindole largely used since 2010. Clinical symptomatology persisted for about four years and was alleviated through treatment with clonazepam...
April 25, 2017: Journal of Psychoactive Drugs
https://www.readbyqxmd.com/read/28436446/opioid-self-administration-is-attenuated-by-early-life-experience-and-gene-therapy-for-anti-inflammatory-il-10-in-the-nucleus-accumbens-of-male-rats
#2
Michael J Lacagnina, Ashley M Kopec, Stewart S Cox, Richa Hanamsagar, Corinne Wells, Susan Slade, Peter M Grace, Linda R Watkins, Edward D Levin, Staci D Bilbo
Early-life conditions can contribute to the propensity for developing neuropsychiatric disease, including substance abuse disorders. However, the long-lasting mechanisms that shape risk or resilience for drug addiction remain unclear. Previous work has shown that a neonatal handling procedure in rats (which promotes enriched maternal care) attenuates morphine conditioning, reduces morphine-induced glial activation, and increases microglial expression of the anti-inflammatory cytokine interleukin-10 (IL-10)...
April 24, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28431292/cannabis-and-cue-induced-craving-in-cocaine-dependent-individuals-a-pilot-study
#3
K Giasson-Gariépy, S Potvin, M Ghabrash, J Bruneau, D Jutras-Aswad
BACKGROUND: Cannabis consumption is common among cocaine users; however, little is known about its effect on cocaine craving. The objective of this study was to assess whether cannabis co-use is associated with lower cue-induced cocaine craving in non-treatment-seeking cocaine-dependent individuals. METHODS: Data from twenty-eight cocaine-dependent men were analyzed in this pilot study. Cocaine-dependent subjects (n=12) were compared with cocaine-dependent subjects who also abused or were dependent on cannabis (n=16)...
March 30, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28428740/protein-quality-control-by-molecular-chaperones-in-neurodegeneration
#4
REVIEW
Aaron Ciechanover, Yong Tae Kwon
Protein homeostasis (proteostasis) requires the timely degradation of misfolded proteins and their aggregates by protein quality control (PQC), of which molecular chaperones are an essential component. Compared with other cell types, PQC in neurons is particularly challenging because they have a unique cellular structure with long extensions. Making it worse, neurons are postmitotic, i.e., cannot dilute toxic substances by division, and, thus, are highly sensitive to misfolded proteins, especially as they age...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28427398/euphorbia-dracunculoides-l-abrogates-carbon-tetrachloride-induced-liver-and-dna-damage-in-rats
#5
Riffat Batool, Muhammad Rashid Khan, Muhammad Majid
BACKGROUND: Evaluation of Euphorbia dracunculoides of family Euphorbiaceae during previous studies had established the in vitro antioxidant and in vivo anti-inflammatory activities. The plant is used by the local communities of Pakistan for various disorders including rheumatism and edema. In this investigation we have evaluated the hepatoprotective effects against CCl4 induced toxicity in rat. METHODS: Dry powder of the aerial parts of E. dracunculoides was extracted with 95% methanol to get the extract (EDME)...
April 20, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28421057/gut-microbiota-modulation-and-its-relationship-with-obesity-using-prebiotic-fibers-and-probiotics-a-review
#6
REVIEW
Dinesh K Dahiya, Renuka, Monica Puniya, Umesh K Shandilya, Tejpal Dhewa, Nikhil Kumar, Sanjeev Kumar, Anil K Puniya, Pratyoosh Shukla
In the present world scenario, obesity has almost attained the level of a pandemic and is progressing at a rapid rate. This disease is the mother of all other metabolic disorders, which apart from placing an added financial burden on the concerned patient also has a negative impact on his/her well-being and health in the society. Among the various plausible factors for the development of obesity, the role of gut microbiota is very crucial. In general, the gut of an individual is inhabited by trillions of microbes that play a significant role in host energy homeostasis by their symbiotic interactions...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28419646/suvorexant-an-orexin-hypocretin-receptor-antagonist-attenuates-motivational-and-hedonic-properties-of-cocaine
#7
Taylor A Gentile, Steven J Simmons, David J Barker, Jessica K Shaw, Rodrigo A España, John W Muschamp
Orexins ('hypocretins') are peptides produced by neurons of the hypothalamus that project to structures implicated in reward and emotion processing. Converging evidence demonstrates functional roles of orexin signaling in arousal, sleep/wakefulness and motivated behaviors for natural and drug rewards. Suvorexant, a dual orexin receptor antagonist, recently received approval from the US Food and Drug Administration to treat insomnia. In Experiment 1, rats self-administered cocaine under a progressive-ratio schedule of reinforcement and the effects of suvorexant on motivation to self-administer cocaine were measured...
April 17, 2017: Addiction Biology
https://www.readbyqxmd.com/read/28419384/risk-factors-for-serious-prescription-opioid-induced-respiratory-depression-or-overdose-comparison-of-commercially-insured-and-veterans-health-affairs-populations
#8
Pramit A Nadpara, Andrew R Joyce, E Lenn Murrelle, Nathan W Carroll, Norman V Carroll, Marie Barnard, Barbara K Zedler
Objective. : To characterize the risk factors associated with overdose or serious opioid-induced respiratory depression (OIRD) among medical users of prescription opioids in a commercially insured population (CIP) and to compare risk factor profiles between the CIP and Veterans Health Administration (VHA) population. Subjects and Methods. : Analysis of data from 18,365,497 patients in the IMS PharMetrics Plus health plan claims database (CIP) who were dispensed a prescription opioid in 2009 to 2013...
April 13, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28417291/reward-prediction-errors-in-drug-addiction-and-parkinson-s-disease-from-neurophysiology-to-neuroimaging
#9
REVIEW
Isabel García-García, Yashar Zeighami, Alain Dagher
PURPOSE OF REVIEW: Surprises are important sources of learning. Cognitive scientists often refer to surprises as "reward prediction errors," a parameter that captures discrepancies between expectations and actual outcomes. Here, we integrate neurophysiological and functional magnetic resonance imaging (fMRI) results addressing the processing of reward prediction errors and how they might be altered in drug addiction and Parkinson's disease. RECENT FINDINGS: By increasing phasic dopamine responses, drugs might accentuate prediction error signals, causing increases in fMRI activity in mesolimbic areas in response to drugs...
June 2017: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/28410131/substance-use-disorder-a-bio-directional-subset-of-reward-deficiency-syndrome
#10
Kenneth Blum, Mark Gold, Zsolt Demetrovics, Trevor Archer, Panayotis K Thanos, David Baron, Rajendra D Badgaiyan
This commentary is to inform clinicians challenged with an increase in people seeking treatment for Substance Use Disorder (SUD), that the ninety percent revolving door, is, in part, due to post-withdrawal, untreated neurotoxicity. This impairment attenuates neurotransmitter signaling and compromises resting state functional connectivity, leading to unwanted sequelae including depression, sleep disturbances, sensation seeking, lack of satisfaction and impulsivity. Neuroimaging studies indicate that neurobiological recovery can take years...
June 1, 2017: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28403686/swimming-training-induces-liver-adaptations-to-oxidative-stress-and-insulin-sensitivity-in-rats-submitted-to-high-fat-diet
#11
Aline Cruz Zacarias, Maria Andrea Barbosa, Renata Guerra-Sá, Uberdan Guilherme Mendes De Castro, Frank Silva Bezerra, Wanderson Geraldo de Lima, Leonardo M Cardoso, Robson Augusto Souza Dos Santos, Maria José Campagnole-Santos, Andréia Carvalho Alzamora
Oxidative stress, physical inactivity and high-fat (FAT) diets are associated with hepatic disorders such as metabolic syndrome (MS). The therapeutic effects of physical training (PT) were evaluated in rats with MS induced by FAT diet for 13 weeks, on oxidative stress and insulin signaling in the liver, during the last 6 weeks. FAT-sedentary (SED) rats increased body mass, retroperitoneal fat, mean arterial pressure (MAP) and heart rate (HR), and total cholesterol, serum alanine aminotransferase, glucose and insulin...
April 13, 2017: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/28400844/effects-of-electroacupuncture-on-methamphetamine-induced-behavioral-changes-in-mice
#12
Tsung-Jung Ho, Chiang-Wen Lee, Zi-Yun Lu, Hsien-Yuan Lane, Ming-Horng Tsai, Ing-Kang Ho, Chieh-Liang Huang, Yao-Chang Chiang
Methamphetamine (METH) is a major drug of abuse worldwide, and no efficient therapeutic strategies for treating METH addiction are currently available. Continuous METH use can cause behavioral upregulation or psychosis. The dopaminergic pathways, particularly the neural circuitry from the ventral tegmental area to the nucleus accumbens (NAc), have a critical role in this behavioral stage. Acupuncture has been used for treating diseases in China for more than 2000 years. According to a World Health Organization report, acupuncture can be used to treat several functional disorders, including substance abuse...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28387990/cdh13-and-adipoq-gene-knockout-alters-instrumental-and-pavlovian-drug-conditioning
#13
Christopher P King, Leah Militello, Amy Hart, Celine L St Pierre, Emily Leung, Cassandra L Versaggi, Nathaniel Roberson, James Catlin, Abraham A Palmer, Jerry B Richards, Paul J Meyer
Genome-wide association studies in humans have suggested that variants of the cadherin-13 (CDH13) gene are associated with substance use disorder, subjective response to amphetamine, and attention deficit hyperactivity disorder. To examine the role of the Cdh13 and its peptide ligand adiponectin (AdipoQ) in addiction-related behaviors, we assessed Cdh13 knock-out rats and AdipoQ knock-out mice using intravenous cocaine self-administration and conditioned place preference paradigms. During intravenous cocaine self-administration, male Cdh13 heterozygous (+/-) and knock-out (-/-) rats showed increased cue-induced reinstatement compared to wild-type rats when presented with a cocaine-paired stimulus, whereas female Cdh13 rats showed no differences across genotype...
April 7, 2017: Genes, Brain, and Behavior
https://www.readbyqxmd.com/read/28387211/olanzapine-induced-pancytopenia-a-rare-but-worrying-complication
#14
N Pang, N Thrichelvam, K O Naing
Unlike clozapine, and despite its structural similarities, olanzapine is not usually associated with haematological suppression. Nonetheless this case report highlights an incident of olanzapine-induced thrombocytopenia and neutropenia in a first-contact patient. We report on a 50-year-old male who presented with 7 years of delusions and hallucinations. A diagnosis of schizophrenia was made in the absence of any suggestive features of mood disorders, substance abuse or organicity, and olanzapine as second-line treatment...
March 2017: East Asian Archives of Psychiatry: Official Journal of the Hong Kong College of Psychiatrists
https://www.readbyqxmd.com/read/28378435/a-single-administration-of-the-hallucinogen-4-acetoxy-dimethyltryptamine-prevents-the-shift-to-a-drug-dependent-state-and-the-expression-of-withdrawal-aversions-in-rodents
#15
Hector Vargas-Perez, Taryn E Grieder, Ryan Ting-A-Kee, Geith Maal-Bared, Michal Chwalek, Derek van der Kooy
Despite several studies suggesting the therapeutic use of 5-hydroxytryptamine receptors type 2A (5-HT2A ) agonists in the treatment of substance use disorders, the neurobiological basis accounting for such effects are still unknown. It has been observed that chronic exposure to drugs of abuse produces molecular and cellular adaptations in ventral tegmental area (VTA) neurons, mediated by brain-derived neurotrophic factor (BDNF). These BDNF-induced adaptations in the VTA are associated with the establishment of aversive withdrawal motivation that leads to a drug-dependent state...
April 4, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28371382/inhibitory-effects-of-urothelium-related-factors
#16
Na N Guan, Lars E Gustafsson, Karl Svennersten
The urothelium of the bladder has long been recognized as a protective barrier between detrusor and urine. In recent years, it has become more evident that the urothelium plays a role as an active source of mediators. The urothelium can release neurotransmitters and modulators such as acetylcholine, ATP, nitric oxide, prostaglandins and neuropeptides. They exert both excitatory and inhibitory effects in modulating urinary tract motility. In addition, several studies have reported the existence of an urothelium-derived unknown inhibitory factor in the urinary bladder...
April 2, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28350131/ketamine-suppresses-the-substance-p-induced-production-of-il-6-and-il-8-by-human-u373mg-glioblastoma-astrocytoma-cells
#17
Keisuke Yamaguchi, Seiichiro Kumakura, Taisuke Murakami, Akimasa Someya, Eiichi Inada, Isao Nagaoka
The neuropeptide substance P (SP) is an important mediator of neurogenic inflammation within the central and peripheral nervous systems. SP has been shown to induce the expression of pro-inflammatory cytokines implicated in the pathogenesis of several disorders of the human brain via the neurokinin-1 receptor (NK-1R). Ketamine, an intravenous anesthetic agent, functions as a competitive antagonist of the excitatory neurotransmission N-methyl-D‑aspartate (NMDA) receptor, and also antagonizes the NK-1R by interfering with the binding of SP...
February 3, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28341060/dose-dependent-treatment-with-isotretinoin-induces-more-changes-in-the-ileum-than-in-the-duodenum-and-jejunum-in-wistar-rats
#18
B F Thomazini, M A H Dolder
Acne is the most common skin disorder and can directly affect the patients' self-esteem. Systemic treatment has been indicated for nodular, cystic or persistent acne rather than another type of treatment, such as a topic one. Isotretinoin is an analogue of vitamin A and by suppressing the sebaceous glands the disease can be controlled. This study was designed to mimic the treatment performed in young patients using the dosage of 1mg/kg, and a higher one of 10mg/kg, for 60days in young male Wistar rats. 24 Wistar rats were divided into four groups: control(water), D0(soybean oil, control group), D1(1mg/kg of Isotretinoin solution), D10(10mg/kg of Isotretinoin solution)...
April 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28339702/subclinical-chronic-left-ventricular-systolic-dysfunction-resulting-from-phosphine-poisoning
#19
E Szymczyk, M Wiszniewska, J Walusiak-Skorupa, J D Kasprzak, P Lipiec
We present a case of a 32-year-old male crew member of a cargo ship, accidentally exposed to phosphine, a fumigating substance. He and other crew members developed increasing fatigue and digestive disorders 24 h later; two died from acute pulmonary oedema. The patient was admitted to hospital, where bilateral pneumonia, acute nephritis, hepatopathy, electrolyte imbalance and leucopenia were diagnosed. He was discharged from hospital 3 weeks later. He was examined 4 months later for possible chronic consequences of acute phosphine poisoning, which included echocardiography showing normal heart size and cardiac function...
February 21, 2017: Occupational Medicine
https://www.readbyqxmd.com/read/28337634/topical-dura-mater-application-of-cfa-induces-enhanced-expression-of-c-fos-and-glutamate-in-rat-trigeminal-nucleus-caudalis-attenuated-by-kyna-derivate-szr72
#20
M Lukács, K Warfvinge, J Tajti, F Fülöp, J Toldi, L Vécsei, L Edvinsson
BACKGROUND: Migraine is a debilitating neurological disorder where trigeminovascular activation plays a key role. We have previously reported that local application of Complete Freund's Adjuvant (CFA) onto the dura mater caused activation in rat trigeminal ganglion (TG) which was abolished by a systemic administration of kynurenic acid (KYNA) derivate (SZR72). Here, we hypothesize that this activation may extend to the trigeminal complex in the brainstem and is attenuated by treatment with SZR72...
December 2017: Journal of Headache and Pain
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