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https://www.readbyqxmd.com/read/27900531/accidental-cannabis-poisoning-in-the-elderly
#1
Anja Zupan Mežnar, Miran Brvar, Gregor Kralj, Dragan Kovačič
There are two main varieties of Cannabis sativa plant, namely, hemp which is cultivated for fiber and seeds and contains low amounts of psychoactive cannabinoids and the other which is cultivated for the drug cannabis or marijuana. Increasing popularity of hemp food products and alleged beneficial effects of cannabinoids in the drug variety of cannabis might lead to confusion in the lay population and unintentional ingestion of marijuana, as described in this case report. During a workshop on the use of hemp for medicinal purposes, there was a degustation of various hemp food products including also cookies that were brought by one of the attendees...
November 29, 2016: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/27899215/toxicology-in-international-drug-control-prioritizing-the-most-harmful-persistent-and-prevalent-substances
#2
Susan C Ifeagwu, Martin Raithelhuber, Conor Crean, Dimitri Gerostamoulos, Heesun Chung, Justice N Tettey
The nature of the global drugs market has evolved rapidly and has become more complex with the emergence of new psychoactive substances (NPS), some of which have been associated with increased abuse, hospital emergency admissions and sometimes fatalities. NPS are characterized by geographic heterogeneity, with some only transient in nature and others not satisfying the criteria for harm required for international control. Consequently, a pragmatic response of the international community is to prioritize the most harmful, persistent and prevalent substances for action - an objective, which is hampered by the paucity of data on harms...
November 20, 2016: Forensic Science International
https://www.readbyqxmd.com/read/27895323/elevated-cyp2c19-expression-is-associated-with-depressive-symptoms-and-hippocampal-homeostasis-impairment
#3
M M Jukić, N Opel, J Ström, T Carrillo-Roa, S Miksys, M Novalen, A Renblom, S C Sim, E M Peñas-Lledó, P Courtet, A Llerena, B T Baune, D J de Quervain, A Papassotiropoulos, R F Tyndale, E B Binder, U Dannlowski, M Ingelman-Sundberg
The polymorphic CYP2C19 enzyme metabolizes psychoactive compounds and is expressed in the adult liver and fetal brain. Previously, we demonstrated that the absence of CYP2C19 is associated with lower levels of depressive symptoms in 1472 Swedes. Conversely, transgenic mice carrying the human CYP2C19 gene (2C19TG) have shown an anxious phenotype and decrease in hippocampal volume and adult neurogenesis. The aims of this study were to: (1) examine whether the 2C19TG findings could be translated to humans, (2) evaluate the usefulness of the 2C19TG strain as a tool for preclinical screening of new antidepressants and (3) provide an insight into the molecular underpinnings of the 2C19TG phenotype...
November 29, 2016: Molecular Psychiatry
https://www.readbyqxmd.com/read/27890676/combined-in-vitro-and-in-silico-approaches-to-the-assessment-of-stimulant-properties-of-novel-psychoactive-substances-the-case-of-the-benzofuran-5-mapb
#4
Michelle A Sahai, Colin Davidson, George Khelashvili, Vincenzo Barrese, Neelakshi Dutta, Harel Weinstein, Jolanta Opacka-Juffry
Novel psychoactive substances (NPS) are increasingly prevalent world-wide although their pharmacological characteristics are largely unknown; those with stimulant properties, due to interactions with the dopamine transporter (DAT), have addictive potential which their users may not realise. We evaluated the binding of 1-(1-benzofuran-5-yl)-N-methylpropan-2-amine (5-MAPB) to rat striatal DAT by means of quantitative autoradiography with [(125)I]RTI-121, and the effects of 5-MAPB on electrically-evoked dopamine efflux by fast-cyclic voltammetry in rat brain slices...
November 24, 2016: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/27889115/new-psychoactive-substances-are-there-any-good-options-for-regulating-new-psychoactive-substances
#5
Peter Reuter, Bryce Pardo
Advances in chemistry, technology, and globalization have contributed to the rapid development and diffusion of NPS (new psychoactive substances), creating perhaps the most serious challenge to the century-old international drug control system and to national systems. Very little is known about the effects of these substances which fall outside of national and international controls. The predominant response to the flood of NPS has been the development of more expeditious methods of prohibiting a new chemical entity...
November 23, 2016: International Journal on Drug Policy
https://www.readbyqxmd.com/read/27886007/sleep-wake-profile-in-dementia-with-lewy-bodies-alzheimer-s-disease-and-normal-aging
#6
Annachiara Cagnin, Federica Fragiacomo, Giulia Camporese, Matteo Turco, Cinzia Bussè, Mario Ermani, Sara Montagnese
BACKGROUND: Alterations of the sleep-wake cycle are common features of neurodegenerative dementia. OBJECTIVES: To study differences in sleep-wake profiles in dementia with Lewy bodies (DLB), Alzheimer's disease (AD), and healthy controls. METHODS: 30 DLB and 32 AD patients, and 33 healthy elderly participants were studied. Patients were evaluated for global cognitive impairment, extrapyramidal signs, fluctuations of attention, and behavioral disorders...
November 19, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27884725/endocannabinoid-system-in-sexual-motivational-processes-is-it-a-novel-therapeutic-horizon
#7
REVIEW
Renata Androvicova, Jiri Horacek, Tibor Stark, Filippo Drago, Vincenzo Micale
The endocannabinoid system (ECS), which is composed of the cannabinoid receptors types 1 and 2 (CB1 and CB2) for marijuana's psychoactive ingredient Δ(9)-tetrahydrocannabinol (Δ(9)-THC), the endogenous ligands (AEA and 2-AG) and the enzymatic systems involved in their biosynthesis and degradation, recently emerged as important modulator of emotional and non-emotional behaviors. For centuries, in addition to its recreational actions, several contradictory claims regarding the effects of Cannabis use in sexual functioning and behavior (e...
November 21, 2016: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/27884504/a-critical-examination-of-the-definition-of-psychoactive-effect-in-australian-drug-legislation
#8
Monica J Barratt, Kate Seear, Kari Lancaster
As the number of new 'psychoactive substances' detected globally has risen exponentially, the policy response of assessing and prohibiting each new substance individually has become increasingly unworkable. In an attempt to disrupt the availability of new as-yet-unscheduled substances, Ireland (2010), Poland (2011), Romania (2012), New Zealand (2013), Australia (2015) and the United Kingdom (2016) have enacted generic or blanket ban legislation that prohibits all 'psychoactive substances' that are not already regulated or belong to exempt categories...
November 21, 2016: International Journal on Drug Policy
https://www.readbyqxmd.com/read/27881618/simultaneous-screening-and-quantification-of-basic-neutral-and-acidic-drugs-in-blood-using-uplc-qtof-ms
#9
Sergei Bidny, Kim Gago, Phuong Chung, Desdemona Albertyn, Daniel Pasin
An analytical method using ultra performance liquid chromatography (UPLC) quadrupole time-of-flight mass spectrometry (QTOF-MS) was developed and validated for the targeted toxicological screening and quantification of commonly used pharmaceuticals and drugs of abuse in postmortem blood using 100 µL sample. It screens for more than 185 drugs and metabolites and quantifies more than 90 drugs. The selected compounds include classes of pharmaceuticals and drugs of abuse such as: antidepressants, antipsychotics, analgesics (including narcotic analgesics), anti-inflammatory drugs, benzodiazepines, beta-blockers, amphetamines, new psychoactive substances (NPS), cocaine and metabolites...
November 22, 2016: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/27879006/allosteric-modulation-an-alternate-approach-targeting-the-cannabinoid-cb1-receptor
#10
REVIEW
Thuy Nguyen, Jun-Xu Li, Brian F Thomas, Jenny L Wiley, Terry P Kenakin, Yanan Zhang
The cannabinoid CB1 receptor is a G protein coupled receptor and plays an important role in many biological processes and physiological functions. A variety of CB1 receptor agonists and antagonists, including endocannabinoids, phytocannabinoids, and synthetic cannabinoids, have been discovered or developed over the past 20 years. In 2005, it was discovered that the CB1 receptor contains allosteric site(s) that can be recognized by small molecules or allosteric modulators. A number of CB1 receptor allosteric modulators, both positive and negative, have since been reported and importantly, they display pharmacological characteristics that are distinct from those of orthosteric agonists and antagonists...
November 23, 2016: Medicinal Research Reviews
https://www.readbyqxmd.com/read/27876129/metabolic-syndrome-a-truly-psychosomatic-disorder-a-global-hypothesis
#11
Shrikant Madhukar Ghike
Exact cause of the metabolic syndrome [MS], a global epidemic, is still unclear. Man has same fundamental needs to live as animals but modern man's life-style compels him to acquire certainty of resources for all his needs in a complex social network. Today money has become the sole life essential need. Contrarily none of the animals needs to earn money. Brain is also an organ of the human body with a unique thought process to define logical actions to achieve a person's goals. This way life is a flow of desires followed by logical actions...
December 2016: Medical Hypotheses
https://www.readbyqxmd.com/read/27874182/synthesis-and-analysis-of-glucuronic-acid-conjugated-metabolites-of-4-bromo-2-5-dimethoxyphenethylamine
#12
Tatsuyuki Kanamori, Tadashi Yamamuro, Kenji Kuwayama, Kenji Tsujikawa, Yuko T Iwata, Hiroyuki Inoue
In the study reported here, two glucuronic acid-conjugated metabolites of 4-bromo-2,5-dimethoxyphenethylamine (2C-B)-a ring-substituted psychoactive phenethylamine-were chemically synthesized for the first time and a method for analyzing them in urine was developed. β-D-Glucuronide of 4-bromo-2,5-dimethoxyphenylethylalcohol was successfully synthesized using methyl 2,3,4-tri-Ο-acetyl-1-O-(trichloroacetimidoyl)-α-D-glucuronate as a glucuronyl donor and boron trifluoride diethylether complex as a Lewis acid catalyst...
November 22, 2016: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/27871332/the-prevalence-of-novel-psychoactive-substances-nps-use-in-non-clinical-populations-a-systematic-review-protocol
#13
Salma M Khaled, Elizabeth Hughes, Dan Bressington, Monica Zolezzi, Ahmed Radwan, Ashish Badnapurkar, Richard Gray
BACKGROUND: Novel psychoactive substances (NPS) are new narcotic or psychotropic drugs that are not controlled by the United Nations drug convention that may pose a serious public health threat due to their wide availability for purchase on the internet and in so called "head shops." Yet, the extent of their global use remains largely unknown. The aim of this study is to conduct a systematic review of the prevalence of NPS use in non-clinical populations. METHODS: This is a systematic review of observational studies...
November 21, 2016: Systematic Reviews
https://www.readbyqxmd.com/read/27871157/synthetic-cannabinoid-induced-immunosuppression-augments-cerebellar-dysfunction-in-tetanus-toxin-treated-mice
#14
Jaesuk Yun, Sun Mi Gu, Tac-Hyung Lee, Yun Jeong Song, Seonhwa Seong, Young-Hoon Kim, Hye Jin Cha, Kyoung Moon Han, Jisoon Shin, Hokyung Oh, Kikyung Jung, Chiyoung Ahn, Hye-Kyung Park, Hyung Soo Kim
Synthetic cannabinoids are one of most abused new psychoactive substances. The recreational use of abused drug has aroused serious concerns about the consequences of these drugs on infection. However, the effects of synthetic cannabinoid on resistance to tetanus toxin are not fully understood yet. In the present study, we aimed to determine if the administration of synthetic cannabinoids increase the susceptibility to tetanus toxin-induced motor behavioral deficit and functional changes in cerebellar neurons in mice...
November 25, 2016: Biomolecules & Therapeutics
https://www.readbyqxmd.com/read/27870477/ascending-single-dose-double-blind-placebo-controlled-safety-study-of-noribogaine-in-opioid-dependent-patients
#15
Paul Glue, Gavin Cape, Donna Tunnicliff, Michelle Lockhart, Fred Lam, Noelyn Hung, C Tak Hung, Sarah Harland, Jane Devane, R S Crockett, John Howes, Borje Darpo, Meijian Zhou, Holger Weis, Lawrence Friedhoff
Ibogaine is a psychoactive substance that may reduce opioid withdrawal symptoms. This was the first clinical trial of noribogaine, ibogaine's active metabolite, in patients established on methadone opioid substitution therapy (OST). In this randomized, double-blind, placebo-controlled single ascending-dose study, we evaluated the safety, tolerability, and pharmacokinetics of noribogaine in 27 patients seeking to discontinue methadone OST who had been switched to morphine during the previous week. Noribogaine doses were 60, 120, or 180 mg (n = 6/dose level) or matching placebo (n = 3/dose level)...
November 2016: Clinical Pharmacology in Drug Development
https://www.readbyqxmd.com/read/27866918/-children-and-adolescents-anxiety-disorders
#16
H Denis, A Baghdadli
Anxiety disorders were long underestimated in children by healthcare professionals, but they are now better diagnosed. They account for the most frequent psychiatric diagnosis between 6 and 18 years of age, with differences in prevalence or risk factors related to the clinical forms. Different clinical subtypes of anxiety disorders are detailed in this article: separation anxiety, specific phobia, generalized anxiety, social anxiety, panic disorder, post-traumatic stress syndrome, and obsessional-compulsive disorder...
November 17, 2016: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/27866486/the-effects-of-cannabis-use-on-salience-attribution-a-systematic-review
#17
Surapi Bhairavi Wijayendran, Aisling O'Neill, Sagnik Bhattacharyya
OBJECTIVE: The relationship between cannabis use and the onset of psychosis is well established. Aberrant salience processing is widely thought to underpin many of these symptoms. Literature explicitly investigating the relationship between aberrant salience processing and cannabis use is scarce; with those few studies finding that acute tetrahydrocannabinol (THC) administration (the main psychoactive component of cannabis) can result in abnormal salience processing in healthy cohorts, mirroring that observed in psychosis...
November 21, 2016: Acta Neuropsychiatrica
https://www.readbyqxmd.com/read/27866061/patterns-of-drugs-poisons-in-southern-area-of-south-korea-in-2014
#18
Eunmi Kim, Yonghoon Park, Hongil Ha, Heesun Chung
The southern area of South Korea consists of three parts; Busan, Ulsan and Gyeongsangnam-do. Busan Institute of National Forensic Service (NFS) performed about 50,000 cases throughout the southern area in 2014, occupying over 15% of total cases covered by NFS. In this study, patterns of drugs and poisons in the southern area of South Korea were investigated. The investigation was carried out by the laboratory information management system of NFS between January and December of 2014. As results, a total of 606 autopsy cases were performed by Busan Institute of NFS in 2014...
November 9, 2016: Forensic Science International
https://www.readbyqxmd.com/read/27865421/cannabidiol-cbd-induces-functional-tregs-in-response-to-low-level-t-cell-activation
#19
Saphala Dhital, John V Stokes, Nogi Park, Keun Seok Seo, Barbara L F Kaplan
Many effects of the non-psychoactive cannabinoid, cannabidiol (CBD), have been described in immune responses induced by strong immunological stimuli. It has also been shown that CBD enhances IL-2 production in response to low-level T cell stimulation. Since IL-2, in combination with TGF-β1, are critical for Treg induction, we hypothesized that CBD would induce CD4(+)CD25(+)FOXP3(+) Tregs in response to low-level stimulation. Low-level T cell stimulation conditions were established based on minimal CD25 expression in CD4(+) cells using suboptimal PMA/Io (4nM/0...
November 9, 2016: Cellular Immunology
https://www.readbyqxmd.com/read/27865152/psychoactive-medications-and-disengagement-from-office-based-opioid-treatment-obot-with-buprenorphine
#20
Zoe M Weinstein, Debbie M Cheng, Emily Quinn, David Hui, Hyunjoong Kim, Gabriela Gryczynski, Jeffrey H Samet
BACKGROUND: The prevalence of psychoactive medications (PAMs) use in patients enrolled in Office Based Opioid Treatment (OBOT) and its association with engagement in this care is largely unknown. OBJECTIVE: To describe the use of PAMs, including those medications with emerging evidence of misuse ("emerging PAMs" - gabapentin, clonidine and promethazine) among patients on buprenorphine, and its association with disengagement from OBOT. METHODS: This is a retrospective cohort study of adults on buprenorphine from January 2002 to February 2014...
November 5, 2016: Drug and Alcohol Dependence
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