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Synthetic cannabinoids

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https://www.readbyqxmd.com/read/28635664/adolescent-exposure-to-the-synthetic-cannabinoid-win-55212-2-modifies-cocaine-withdrawal-symptoms-in-adult-mice
#1
María A Aguilar, Juan Carlos Ledesma, Marta Rodríguez-Arias, Carles Penalva, Carmen Manzanedo, José Miñarro, M Carmen Arenas
Chronic cannabinoid consumption is an increasingly common behavior among teenagers and has been shown to cause long-lasting neurobehavioral alterations. Besides, it has been demonstrated that cocaine addiction in adulthood is highly correlated with cannabis abuse during adolescence. Cocaine consumption and subsequent abstinence from it can cause psychiatric symptoms, such as psychosis, cognitive impairment, anxiety, and depression. The aim of the present research was to study the consequences of adolescent exposure to cannabis on the psychiatric-like effects promoted by cocaine withdrawal in adult mice...
June 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28634109/cannabis-associated-psychosis-neural-substrate-and-clinical-impact
#2
REVIEW
R M Murray, A Englund, A Abi-Dargham, D Lewis, M Di Forti, C Davies, M Sherif, P McGuire, C D'Souza
Prospective epidemiological studies have consistently demonstrated that cannabis use is associated with an increased subsequent risk of both psychotic symptoms and schizophrenia-like psychoses. Early onset of use, daily use of high-potency cannabis, and synthetic cannabinoids carry the greatest risk. The risk-increasing effects are not explained by shared genetic predisposition between schizophrenia and cannabis use. Experimental studies in healthy humans show that cannabis and its active ingredient, delta-9-tetrahydrocannabinol (THC), can produce transient, dose-dependent, psychotic symptoms, as well as an array of psychosis-relevant behavioral, cognitive and psychophysiological effects; the psychotogenic effects can be ameliorated by cannabidiol (CBD)...
June 17, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28631432/profile-effects-and-toxicity-of-novel-psychoactive-substances-a-systematic-review-of-quantitative-studies
#3
Sulaf Assi, Nargilya Gulyamova, Kinda Ibrahim, Paul Kneller, David Osselton
OBJECTIVE: To investigate the profile, effects, and toxicity of novel psychoactive substances (NPS). METHODS: A systematic literature review was conducted between May 2015 and February 2016 and included 19 databases. Search terms included "novel psychoactive substance(s)," "effect(s)," and "toxicity" and their synonyms. Studies included were those from any country, in any language, and between January 2007 and April 2015. Studies published before 2007 and those regarding the synthesis of NPS were excluded...
June 19, 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/28631421/impact-of-synthetic-cannabinoids-on-the-duration-of-opioid-related-withdrawal-and-craving-among-patients-of-addiction-clinics-in-kazakhstan-a-prospective-case-control-study
#4
Mariya Prilutskaya, Francesco Saverio Bersani, Ornella Corazza, Sergey Molchanov
OBJECTIVE: The aim of the study was to prospectively assess whether regular use of synthetic cannabinoids (SCs) affects the duration of opioid-related withdrawal and craving symptoms in patients undergoing drug detoxification treatments. METHODS: Patients (n = 193) with opioid use disorder, among which 47 patients are regularly using SCs, underwent integrated drug detoxification therapies. The Clinical Opiate Withdrawal Scale and a specific visual analogue scale were used to assess opioid withdrawal and craving symptoms over time...
June 20, 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/28631194/the-use-of-cannabinoids-in-treating-dementia
#5
REVIEW
Megan Weier, Wayne Hall
PURPOSE OF REVIEW: To review and summarise the current evidence on the safety and efficacy of using cannabinoids to treat behavioural and neuropsychiatric symptoms of dementia. RECENT FINDINGS: Two randomised controlled trials testing a synthetic form of tetrahydrocannabinol have shown that while well tolerated, there was no significant therapeutic effect, based on changes to scores on the neuropsychiatric inventory (NPI). Case reports and open label trials have indicated that there may be some therapeutic benefit of adding synthetic cannabinoids as an adjunctive therapy to reduce agitation, aberrant motor behaviour and nighttime behaviour...
August 2017: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/28625718/synaptic-functions-of-endocannabinoid-signaling-in-health-and-disease
#6
REVIEW
Alfonso Araque, Pablo E Castillo, Olivier J Manzoni, Raffaella Tonini
Endocannabinoids (eCBs) are a family of lipid molecules that act as key regulators of synaptic transmission and plasticity. They are synthetized "on demand" following physiological and/or pathological stimuli. Once released from postsynaptic neurons, eCBs typically act as retrograde messengers to activate presynaptic type 1 cannabinoid receptors (CB1) and induce short- or long-term depression of neurotransmitter release. Besides this canonical mechanism of action, recent findings have revealed a number of less conventional mechanisms by which eCBs regulate neural activity and synaptic function, suggesting that eCB-mediated plasticity is mechanistically more diverse than anticipated...
June 15, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28617997/a-market-on-both-sides-of-the-law-the-use-of-the-hidden-web-for-the-sale-of-new-psychoactive-substances
#7
Elle Wadsworth, Colin Drummond, Andreas Kimergård, Paolo Deluca
OBJECTIVE: The hidden Web is used for the anonymous sale of drugs, and with the UK Psychoactive Substances Act, 2016, implemented on May 26th 2016; it could increase as a platform for obtaining new psychoactive substances (NPS). This study aims to describe the NPS market on the visible and hidden Web preban, and assess whether the hidden Web is a likely place for the sale of NPS postban. METHODS: Data collection of 113 online shops took place in October 2015. Data collection of 22 cryptomarkets took place every 2 months from October 2015 to 2016 as part of the CASSANDRA project...
June 15, 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/28607917/thrombotic-microangiopathy-associated-with-synthetic-cannabinoid-receptor-agonists
#8
Michael Karass, Savneek Chugh, Gabriela Andries, Aleksandra Mamorska-Dyga, John C Nelson, Praveen N Chander
Marijuana is one of the most commonly used recreational drugs in the United States. As marijuana is illegal in the majority of countries, the use of readily available and unregulated synthetic cannabinoids (SCBs) has increased. Little is known about the potential adverse effects of SCBs especially in regards to their nephrotoxicity. Case reports of acute kidney injury (AKI) from acute tubular injury secondary to their use have been reported. However, the exact pathology, mechanism, and extent of renal injury remain unknown...
2017: Stem Cell Investigation
https://www.readbyqxmd.com/read/28607542/interactions-of-cannabinoids-with-biochemical-substrates
#9
REVIEW
Brian F Thomas
Recent decades have seen much progress in the identification and characterization of cannabinoid receptors and the elucidation of the mechanisms by which derivatives of the Cannabis sativa plant bind to receptors and produce their physiological and psychological effects. The information generated in this process has enabled better understanding of the fundamental physiological and psychological processes controlled by the central and peripheral nervous systems and has fostered the development of natural and synthetic cannabinoids as therapeutic agents...
2017: Substance Abuse: Research and Treatment
https://www.readbyqxmd.com/read/28602505/proposal-of-5-methoxy-n-methyl-n-isopropyltryptamine-consumption-biomarkers-through-identification-of-in-vivo-metabolites-from-mice
#10
D Fabregat-Safont, M Barneo-Muñoz, F Martinez-Garcia, J V Sancho, F Hernández, M Ibáñez
New psychoactive substances (NPS) are a new breed of synthetically produced substances designed to mimic the effects of traditional illegal drugs. Synthetic cannabinoids and synthetic cathinones are the two most common groups, which try to mimic the effects of the natural compounds (9)Δ-tetrahydrocannabinol and cathinone, respectively. Similarly, synthetic tryptamines are designer compounds which are based on the compounds psilocin, N,N-dimethyltryptamine and 5-methoxy-N,N-dimethyltryptamine found in some mushrooms...
June 5, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28601726/identification-and-quantification-of-synthetic-cannabinoids-in-spice-like-herbal-mixtures-update-of-the-german-situation-in-early-2017
#11
Ludger Ernst, Kai Brandhorst, Uli Papke, Anna Altrogge, Simone Zodel, Nico Langer, Till Beuerle
In February 2017, eleven "Spice-like" products (14 individual packages including replicates) from German language internet shops were analyzed. In total, three different synthetic cannabinoids (SCs) were identified by gas-chromatography-mass spectrometry (GC-MS), namely MDMB-CHMICA and two, so far only partially described compounds, 5F-Cumyl-P7AICA and Cumyl-PeGACLONE. All analyzed products contained only one synthetic cannabinoid as active ingredient. 5F-Cumyl-P7AICA and Cumyl-PeGACLONE were subject to an in-depth characterization by nuclear magnetic resonance spectroscopy (NMR), electron ionization mass spectrometry (EI-MS), electrospray ionization tandem mass spectrometry (ESI-MS/MS), infrared and ultraviolet-visible spectroscopy (IR and UV/Vis)...
May 26, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28597943/identification-of-eight-synthetic-cannabinoids-including-5f-akb48-in-seized-herbal-products-using-dart-tof-ms-and-lc-qtof-ms-as-nontargeted-screening-methods
#12
Katherine N Moore, Demetra Garvin, Brian F Thomas, Megan Grabenauer
Synthetic cannabinoids are sprayed onto plant material and smoked for their marijuana-like effects. Clandestine manufacturers modify synthetic cannabinoid structures by creating closely related analogs. Forensic laboratories are tasked with detection of these analog compounds, but targeted analytical methods are often thwarted by the structural modifications. Here, direct analysis in real time coupled to accurate mass time-of-flight mass spectrometry (DART-TOF-MS) in combination with liquid chromatography quadruple time-of-flight mass spectrometry (LC-QTOF-MS) are presented as a screening and nontargeted confirmation method, respectively...
June 9, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28597570/pharmaco-toxicological-effects-of-the-novel-third-generation-fluorinate-synthetic-cannabinoids-5f-adbinaca-ab-fubinaca-and-sts-135-in-mice-in-vitro-and-in-vivo-studies
#13
Isabella Canazza, Andrea Ossato, Fabrizio Vincenzi, Adolfo Gregori, Fabiana Di Rosa, Federica Nigro, Alessandro Rimessi, Paolo Pinton, Katia Varani, Pier Andrea Borea, Matteo Marti
INTRODUCTION: 5F-ADBINACA, AB-FUBINACA, and STS-135 are 3 novel third-generation fluorinate synthetic cannabinoids that are illegally marketed as incense, herbal preparations, or research chemicals for their psychoactive cannabis-like effects. METHODS: The present study aims at investigating the in vitro and in vivo pharmacological activity of 5F-ADBINACA, AB-FUBINACA, and STS-135 in male CD-1 mice, comparing their in vivo effects with those caused by the administration of Δ(9) -THC and JWH-018...
June 9, 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/28595208/atrial-fibrillation-following-synthetic-cannabinoid-abuse
#14
Tolga Han Efe, Mehmet Ali Felekoglu, Tolga Çimen, Mehmet Doğan
Marijuana and its synthetic forms, called synthetic cannabinoids (SCs), are used as recreational drugs. Bonzai is a kind of SC. Adverse cardiovascular events have been reported with abuse of marijuana and SCs, including arrhythmia, myocardial infarction, and sudden cardiac death. Presently described is a case of a 23-year-old, previously healthy man, who was admitted to the emergency department with atrial fibrillation after Bonzai abuse. Sinus rhythm was restored during observation.
June 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28583800/analysis-of-natural-product-regulation-of-cannabinoid-receptors-in-the-treatment-of-human-disease
#15
REVIEW
S Badal, K N Smith, R Rajnarayanan
The organized tightly regulated signaling relays engaged by the cannabinoid receptors (CBs) and their ligands, G proteins and other effectors, together constitute the endocannabinoid system (ECS). This system governs many biological functions including cell proliferation, regulation of ion transport and neuronal messaging. This review will firstly examine the physiology of the ECS, briefly discussing some anomalies in the relay of the ECS signaling as these are consequently linked to maladies of global concern including neurological disorders, cardiovascular disease and cancer...
June 2, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28582498/microorganism-design-for-heterologous-biosynthesis-of-cannabinoids
#16
Carvalho Ângela, Esben Halkjær Hansen, Oliver Kayser, Simon Carlsen, Felix Stehle
During the last decade the use of medical Cannabis has expanded globally and legislation is getting more liberal in many countries, facilitating the research on cannabinoids. The unique interaction of cannabinoids with the human endocannabinoid system make these compounds an interesting target to be studied as a therapeutic agent for the treatment of several medical conditions. However, currently there are important limitations in the study, production and use of cannabinoids as pharmaceutical drugs. Besides the main constituent tetrahydrocannabinolic acid, the structurally related compound cannabidiol is of high interest as drug candidate...
June 4, 2017: FEMS Yeast Research
https://www.readbyqxmd.com/read/28578250/increased-in-synthetic-cannabinoids-related-harms-results-from-a-longitudinal-web-based-content-analysis
#17
Francois R Lamy, Raminta Daniulaityte, Ramzi W Nahhas, Monica J Barratt, Alan G Smith, Amit Sheth, Silvia S Martins, Edward W Boyer, Robert G Carlson
BACKGROUND: Synthetic Cannabinoid Receptor Agonists (SCRA), also known as "K2" or "Spice," have drawn considerable attention due to their potential of abuse and harmful consequences. More research is needed to understand user experiences of SCRA-related effects. We use semi-automated information processing techniques through eDrugTrends platform to examine SCRA-related effects and their variations through a longitudinal content analysis of web-forum data. METHOD: English language posts from three drug-focused web-forums were extracted and analyzed between January 1st 2008 and September 30th 2015...
June 1, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28574245/synthesis-and-pharmacological-profiling-of-the-metabolites-of-synthetic-cannabinoid-drugs-apica-sts-135-adb-pinaca-and-5f-adb-pinaca
#18
Mitchell Longworth, Mark Connor, Samuel D Banister, Michael Kassiou
Synthetic cannabinoids (SCs) containing a 1-pentyl-1-H substituted indole or indazole have found abuse around the world and are associated with an array of serious side effects. These compounds are known to undergo extensive Phase 1 metabolism after ingestion with little understanding whether these metabolites are contributing to the cannabimimetic activity of the drugs. This work presents the synthesis and pharmacological characterization of the major metabolites of two high concern SCs; APICA and ADB-PINACA...
June 2, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28561272/cannabinoid-cb1-cb2-receptor-agonists-attenuate-hyperactivity-and-body-weight-loss-in-a-rat-model-of-activity-based-anorexia
#19
Maria Scherma, Valentina Satta, Roberto Collu, Maria Francesca Boi, Paolo Usai, Walter Fratta, Paola Fadda
BACKGROUND AND PURPOSE: Anorexia nervosa (AN) is a serious psychiatric condition characterized by excessive body weight loss and disturbed perceptions of body shape and size, often associated with excessive physical activity. There is currently no effective drug-related therapy of this disease and this leads to high relapse rate. Clinical data suggest that a promising therapy to treat and reduce reoccurrence of AN may be based on the use of drugs that target the endocannabinoid (EC) system, which appears dysregulated in AN patients...
May 31, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28560823/identification-and-quantification-of-predominant-metabolites-of-synthetic-cannabinoid-mab-chminaca-in-an-authentic-human-urine-specimen
#20
Koutaro Hasegawa, Kayoko Minakata, Kunio Gonmori, Hideki Nozawa, Itaru Yamagishi, Kanako Watanabe, Osamu Suzuki
An autopsy case in which the cause of death was judged as drug poisoning by two synthetic cannabinoids, including MAB-CHMINACA, was experienced. Although unchanged MAB-CHMINACA could be detected from solid tissues, blood and stomach contents in the case, the compound could not be detected from the urine specimen. In this article, we obtained six kinds of reference standards of MAB-CHMINACA metabolites from a commercial source. The MAB-CHMINACA metabolites from the urine specimen of the abuser were extracted by a QuEChERS method including dispersive solid-phase extraction, and analyzed by liquid chromatography-tandem mass spectrometry with or without hydrolysis with β-glucuronidase...
May 30, 2017: Drug Testing and Analysis
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