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https://www.readbyqxmd.com/read/28239924/cannabinoids-as-gastrointestinal-anti-inflammatory-drugs
#1
REVIEW
A Fabisiak, J Fichna
In this mini-review, we focus on the potential of the endocannabinoid system as a target for novel therapies to treat gastrointestinal (GI) inflammation. We discuss the organization of the endocannabinoid signaling and present possible pharmacological sites in the endocannabinoid system. We also refer to recent clinical findings in the field. Finally, we point at the potential use of cannabinoids at low, non-psychoactive doses to counteract non-inflammatory pathological events in the GI tract, like chemotherapy-induced diarrhea, as evidenced by Abalo et al...
March 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28238214/self-reported-substance-use-in-iraq-findings-from-the-iraqi-national-household-survey-of-alcohol-and-drug-use-2014
#2
Nesif Al-Hemiery, Rufaidah Dabbagh, Mushtaq T Hashim, Salih Al-Hasnawi, Ali Abutiheen, Emad A Abdulghani, Jawad K Al-Diwan, Neeraj Kak, Hala AlMossawi, Jane Carlisle Maxwell, Mary-Lynn Brecht, Valerie Antonini, Albert Hasson, Richard A Rawson
AIMS: To estimate the prevalence of tobacco, alcohol, and drug use in Iraq using data from the Iraqi National Household Survey of Alcohol and Drug Use (INHSAD). DESIGN: A cross-sectional survey was conducted using a multi-stage cluster sampling method. Trained surveyors conducted face-to-face household interviews. SETTING: Iraq, from April 2014 to December 2014. PARTICIPANTS: 3,200 adult, non-institutionalized Iraqi citizens residing across all 18 governorates of Iraq...
February 26, 2017: Addiction
https://www.readbyqxmd.com/read/28238173/chronic-low-grade-peripheral-inflammation-is-associated-with-severe-nicotine-dependence-in-schizophrenia-results-from-the-national-multicentric-face-sz-cohort
#3
G Fond, F Berna, M Andrianarisoa, O Godin, M Leboyer, L Brunel, B Aouizerate, D Capdevielle, I Chereau, T D'Amato, H Denizot, C Dubertret, J Dubreucq, C Faget, F Gabayet, P M Llorca, J Mallet, D Misdrahi, C Passerieux, R Richieri, R Rey, A Schandrin, M Urbach, P Vidailhet, L Boyer, F Schürhoff
Chronic peripheral inflammation (CPI) has been associated with cognitive impairment in schizophrenia (SZ). However, its sources remain unclear, more specifically it is not known whether tobacco smoking is a source of inflammation or not in SZ subjects. Moreover, nicotine (NIC), the major psychoactive compound of tobacco, shows strong anti-inflammatory properties in vitro, as well as inducing a severe biological dependence when administered repeatedly. The objective of the present study was to determine if CPI was associated with tobacco smoking and/or NIC dependence in schizophrenia...
February 25, 2017: European Archives of Psychiatry and Clinical Neuroscience
https://www.readbyqxmd.com/read/28237885/assessment-of-tobacco-alcohol-and-cannabinoid-metabolites-in-645-meconium-samples-of-newborns-compared-to-maternal-self-reports
#4
Sandrine Lamy, Benjamin Hennart, Estelle Houivet, Sylvain Dulaurent, Heloise Delavenne, Jacques Benichou, Delphine Allorge, Stéphane Marret, Florence Thibaut
Prenatal psychoactive substance exposure has significant impact on neonatal health and child development and the development of reliable biomarkers is critical. Meconium presents several advantages for detecting prenatal exposure to psychoactive substances, as it is easy to collect and provides a broad time frame of exposure (third trimester). The aim of our study was to compare the prevalence of alcohol, tobacco and/or cannabis use during the third trimester of pregnancy (using maternal self-reports) with the results of meconium testing of their metabolites in newborns (cotinine, ethyl-glucuronide (EtG) and cannabinoid metabolites)...
February 13, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28235999/concise-review-of-the-management-of-iatrogenic-emesis-using-cannabinoids-emphasis-on-nabilone-for-chemotherapy-induced-nausea-and-vomiting
#5
REVIEW
Joseph V Pergolizzi, Robert Taylor, Jo Ann LeQuang, Gianpietro Zampogna, Robert B Raffa
Chemotherapy-induced nausea and vomiting (CINV) is a prevalent, distressing, and burdensome side effect of cancer chemotherapy. It is estimated to affect the majority of patients receiving certain anti-cancer drug regimens and can be treatment-limiting, even for life-saving medications. Despite seemingly numerous options, such as antimuscarinic anticholinergics, antihistamines, 5-HT3 receptor antagonists, dopamine receptor antagonists, and neurokinin-1 receptor antagonists, preventative therapies are often inadequately effective, particularly for "delayed CINV"-leaving an important unmet clinical need...
February 24, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28234656/managing-interactions-between-cognitive-enhancers-and-other-psychotropics
#6
Siu W Tang, Wayne H Tang, Brian E Leonard
Polypharmacy is common in psychiatry. Usage of cognitive enhancers is increasing in the psychiatric population. Many clinicians are not familiar with these new psychoactive compounds. This paper reviews the potential drug-drug interactions when these cognitive enhancers are used together with psychotropic drugs and their confounding effects on diagnosis and clinical management.
February 23, 2017: International Clinical Psychopharmacology
https://www.readbyqxmd.com/read/28232795/acetaldehyde-motivation-and-stress-behavioral-evidence-of-an-addictive-m%C3%A3-nage-%C3%A3-trois
#7
REVIEW
Anna Brancato, Gianluca Lavanco, Angela Cavallaro, Fulvio Plescia, Carla Cannizzaro
Acetaldehyde (ACD) contributes to alcohol's psychoactive effects through its own rewarding properties. Recent studies shed light on the behavioral correlates of ACD administration and the possible interactions with key neurotransmitters for motivation, reward and stress-related response, such as dopamine and endocannabinoids. This mini review article critically examines ACD psychoactive properties, focusing on behavioral investigations able to unveil ACD motivational effects and their pharmacological modulation in vivo...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28232276/cannabidiol-state-of-the-art-and-new-challenges-for-therapeutic-applications
#8
REVIEW
Simona Pisanti, Anna Maria Malfitano, Elena Ciaglia, Anna Lamberti, Roberta Ranieri, Gaia Cuomo, Mario Abate, Giorgio Faggiana, Maria Chiara Proto, Donatella Fiore, Chiara Laezza, Maurizio Bifulco
Over the past years, several lines of evidence support a therapeutic potential of Cannabis derivatives and in particular phytocannabinoids. Δ(9)-THC and cannabidiol (CBD) are the most abundant phytocannabinoids in Cannabis plants and therapeutic application for both compounds have been suggested. However, CBD is recently emerging as a therapeutic agent in numerous pathological conditions since devoid of the psychoactive side effects exhibited instead by Δ(9)-THC. In this review, we highlight the pharmacological activities of CBD, its cannabinoid receptor-dependent and -independent action, its biological effects focusing on immunomodulation, angiogenetic properties, and modulation of neuronal and cardiovascular function...
February 20, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28231843/high-prevalence-of-quasi-legal-psychoactive-substance-use-among-male-patients-in-hiv-care-in-japan-a-cross-sectional-study
#9
Kanna Hayashi, Chihiro Wakabayashi, Yuzuru Ikushima, Masayoshi Tarui
BACKGROUND: Syndemics of illicit drug use and HIV remain as significant public health issues around the world. There has been increasing concern regarding the rapidly growing market of new psychoactive substances, particularly in Asia. In response, the Japanese government has increasingly banned such substances in recent years. We sought to identify the prevalence and correlates of use of quasi-legal psychoactive substances among people living with HIV/AIDS (PLHIV) in Japan. METHODS: Data were derived from a nationwide survey of PLHIV conducted at nine leading HIV/AIDS care hospitals between July and December 2013...
February 23, 2017: Substance Abuse Treatment, Prevention, and Policy
https://www.readbyqxmd.com/read/28229493/issues-with-monitoring-the-safety-of-psychoactive-products-under-a-legal-regulated-market-for-new-psychoactive-substances-legal-highs-in-new-zealand
#10
Marta Rychert, Chris Wilkins, Karen Witten
INTRODUCTION: New Zealand's Psychoactive Substances Act (2013) established the world's first regulated market for 'low risk' psychoactive products ('legal highs'). Under an interim PSA regime, 47 existing products were permitted to be continued to be sold. AIM: To explore issues with the implementation of regulatory systems to monitor the safety of products on the legal market under the interim Psychoactive Substances Act regime. METHODS: Semi-structured interviews with 30 key stakeholders, including industry, government agency, health and drug service professionals were conducted, transcribed and analysed thematically...
February 23, 2017: Drug and Alcohol Review
https://www.readbyqxmd.com/read/28226266/parallel-artificial-liquid-membrane-extraction-of-new-psychoactive-substances-in-plasma-and-whole-blood
#11
Linda Vårdal, Hilde-Merete Askildsen, Astrid Gjelstad, Elisabeth Leere Øiestad, Hilde Marie Erøy Edvardsen, Stig Pedersen-Bjergaard
Parallel artificial liquid membrane extraction (PALME) was combined with ultra-high performance liquid chromatography-mass spectrometry (UHPLC-MS) and the potential for screening of new psychoactive substances (NPS) was investigated for the first time. PALME was performed in 96-well format comprising a donor plate, a supported liquid membrane (SLM), and an acceptor plate. Uncharged NPS were extracted from plasma or whole blood, across an organic SLM, and into an aqueous acceptor solution, facilitated by a pH gradient...
February 14, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28223522/conformational-dynamics-of-a-neurotransmitter-sodium-symporter-in-a-lipid-bilayer
#12
Suraj Adhikary, Daniel J Deredge, Anu Nagarajan, Lucy R Forrest, Patrick L Wintrode, Satinder K Singh
Neurotransmitter:sodium symporters (NSSs) are integral membrane proteins responsible for the sodium-dependent reuptake of small-molecule neurotransmitters from the synaptic cleft. The symporters for the biogenic amines serotonin (SERT), dopamine (DAT), and norepinephrine (NET) are targets of multiple psychoactive agents, and their dysfunction has been implicated in numerous neuropsychiatric ailments. LeuT, a thermostable eubacterial NSS homolog, has been exploited as a model protein for NSS members to canvass the conformational mechanism of transport with a combination of X-ray crystallography, cysteine accessibility, and solution spectroscopy...
February 21, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28220044/pregnenolone-blocks-cannabinoid-induced-acute-psychotic-like-states-in-mice
#13
A Busquets-Garcia, E Soria-Gómez, B Redon, Y Mackenbach, M Vallée, F Chaouloff, M Varilh, G Ferreira, P-V Piazza, G Marsicano
Cannabis-induced acute psychotic-like states (CIAPS) represent a growing health issue, but their underlying neurobiological mechanisms are poorly understood. The use of antipsychotics and benzodiazepines against CIAPS is limited by side effects and/or by their ability to tackle only certain aspects of psychosis. Thus, safer wide-spectrum treatments are currently needed. Although the blockade of cannabinoid type-1 receptor (CB1) had been suggested as a therapeutical means against CIAPS, the use of orthosteric CB1 receptor full antagonists is strongly limited by undesired side effects and low efficacy...
February 21, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28219717/effects-of-tetrahydrocannabinol-on-glucose-uptake-in-the-rat-brain
#14
I Miederer, K Uebbing, J Röhrich, S Maus, N Bausbacher, K Krauter, V Weyer-Elberich, B Lutz, M Schreckenberger, R Urban
Δ(9)-Tetrahydrocannabinol (THC) is the psychoactive component of the plant Cannabis sativa and acts as a partial agonist at cannabinoid type 1 and type 2 receptors in the brain. The goal of this study was to assess the effect of THC on the cerebral glucose uptake in the rat brain. 21 male Sprague Dawley rats (12-13 w) were examined and received five different doses of THC ranging from 0.01 to 1 mg/kg. For data acquisition a Focus 120 small animal PET scanner was used and 24.1-28.0 MBq of [(18)F]-fluoro-2-deoxy-d-glucose were injected...
February 17, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28219712/the-combination-of-mdpv-and-ethanol-results-in-decreased-cathinone-and-increased-alcohol-levels-study-of-such-pharmacological-interaction
#15
R López-Arnau, M Buenrostro-Jáuregui, P Muñoz-Villegas, J Rodríguez-Morató, A Ciudad-Roberts, L Duart, J Camarasa, R De la Torre, D Pubill, E Escubedo
Methylenedioxypyrovalerone (MDPV) is a new psychostimulant cathinone acting as a selective dopamine transporter blocker. Due to the concomitant consumption of ethanol (EtOH) and new psychoactive substances, it is of interest to explore a possible pharmacological interaction between MDPV and EtOH. In locomotor activity assays, EtOH (1g/kg i.p.) elicited a reduction in the stimulant effect induced by low doses of MDPV (0.1-0.3mg/kg, s.c.) in rats, jointly with a decrease in blood and brain MDPV concentrations...
February 17, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28219076/effect-of-n-benzylpiperazine-its-metabolite-n-benzylethylenediamine-and-its-disubstituted-analogue-n-n-dibenzylpiperazine-on-the-acquisition-formation-and-consolidation-of-memory-in-mice
#16
Juan Carlos Castillo-Hernández, Josué A Velázquez-Moyado, Adelfo Reyes-Ramírez, Elena G Ramírez-López, Martín González-Andrade, Andrés Navarrete
BACKGROUND: N-benzylpiperazine (BZP) belongs to a class of piperazine derivatives (PZDs) that have emerged as recreational drugs. These compounds increase the release of dopamine and serotonin. BZP mimics the psychoactive effects of 3,4-methylenedioxymethylamphetamine. BZP is metabolized to N-benzylethylenediamine (BEDA) and benzylamine. The compound N,N'-dibenzylpiperazine (DBZP) is obtained as a byproduct during the synthesis of BZP. Some PZDs have shown effects on memory; however, there are no previous reports on the activity of BZP, BEDA, and DBZP on memory or on a description of their neuropharmacological profile...
February 21, 2017: Pharmacology
https://www.readbyqxmd.com/read/28217094/in-vivo-evidence-for-therapeutic-properties-of-cannabidiol-cbd-for-alzheimer-s-disease
#17
REVIEW
Georgia Watt, Tim Karl
Alzheimer's disease (AD) is a debilitating neurodegenerative disease that is affecting an increasing number of people. It is characterized by the accumulation of amyloid-β and tau hyperphosphorylation as well as neuroinflammation and oxidative stress. Current AD treatments do not stop or reverse the disease progression, highlighting the need for new, more effective therapeutics. Cannabidiol (CBD) is a non-psychoactive phytocannabinoid that has demonstrated neuroprotective, anti-inflammatory and antioxidant properties in vitro...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28214739/characterizing-users-of-new-psychoactive-substances-using-psychometric-scales-for-risk-related-behavior
#18
Annabel Vreeker, Babette G van der Burg, Margriet van Laar, Tibor M Brunt
INTRODUCTION: Studies investigating risk-related behavior in relation to new psychoactive substance (NPS) use are sparse. The current study investigated characteristics of NPS users by comparing risk-related behavior of NPS users to that of illicit drugs (ID) users and licit substances users and non-users (NLC) users. METHODS: In this cross-sectional study we included 528 individuals across an age range of 18-72years. Using a web-based questionnaire we collected self-report data on substance use, sensation seeking, impulsivity, peer substance use and risk perception of substance use...
February 10, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28210779/locomotor-activity-and-discriminative-stimulus-effects-of-a-novel-series-of-synthetic-cathinone-analogs-in-mice-and-rats
#19
Michael B Gatch, Sean B Dolan, Michael J Forster
RATIONALE: Recent years have seen an increase in the recreational use of novel, synthetic psychoactive substances. There are little or no data on the abuse liability of many of the newer compounds. OBJECTIVES: The current study investigated the discriminative stimulus and locomotor effects of a series of synthetic analogs of cathinone: α-pyrrolidinopropiophenone (α-PPP), α-pyrrolidinohexiophenone (α-PHP), α-pyrrolidinopentiothiophenone (α-PVT), 3,4-methylenedioxybutiophenone (MDPBP), and ethylone...
February 16, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28207753/analysis-of-diagnoses-extracted-from-electronic-health-records-in-a-large-mental-health-case-register
#20
Yevgeniya Kovalchuk, Robert Stewart, Matthew Broadbent, Tim J P Hubbard, Richard J B Dobson
The UK government has recently recognised the need to improve mental health services in the country. Electronic health records provide a rich source of patient data which could help policymakers to better understand needs of the service users. The main objective of this study is to unveil statistics of diagnoses recorded in the Case Register of the South London and Maudsley NHS Foundation Trust, one of the largest mental health providers in the UK and Europe serving a source population of over 1.2 million people residing in south London...
2017: PloS One
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