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https://www.readbyqxmd.com/read/28911631/new-psychoactive-substances-of-natural-origin-a%C3%A2-brief-review
#1
REVIEW
Ling-Yi Feng, Altansuvd Battulga, Eunyoung Han, Heesun Chung, Jih-Heng Li
Plant-based drugs of abuse are as old as recorded human history. Although traditional addictive substances, such as opium, cannabis and coca, have been controlled by the United Nations anti-drug conventions, many, if not most, natural plants with addictive or abuse liability remain elusive. Therefore, the United Nations Office on Drugs and Crime (UNODC) has warned the emerging threat from new psychoactive substances (NPS), which are mostly derived or modified from the constituents of natural origin. For example, synthetic cannabinoids and synthetic cathinones are derived from the cannabis and khat plant, respectively...
July 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28910664/the-analysis-of-132-novel-psychoactive-substances-in-human-hair-using-a-single-step-extraction-by-tandem-lc-ms
#2
Vassiliki A Boumba, Matthew Di Rago, Melissa Peka, Olaf H Drummer, Dimitri Gerostamoulos
A rapid LC-MS/MS method for the targeted screening of 132 NPS in hair is described. Drugs include cathinones and synthetic cannabinoids, as well as amphetamine-type stimulants, piperazines and other hallucinogenic compounds. This method utilizes hair pulverization in acidified methanol followed by analysis using liquid chromatography coupled with tandem MS. The limit of detection varied from 0.001 to 0.1ng/mg hair among the various analytes. The method was validated in terms of sensitivity, selectivity, repeatability and stability...
September 5, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28904288/alpha-pvp-induces-the-rewarding-effect-via-activating-dopaminergic-neuron
#3
Kyoko Hataoka, Asuka Kaizaki-Mitsumoto, Satoshi Numazawa
A synthetic cathinone, 1-phenyl-2-(1-pyrrolidinyl)-1-pentanone (α-PVP), was occasionally found in the "bath salt" type of designer drugs, as an active ingredient. It has been reported that drivers who consumed α-PVP were in an excited state and incapable of controlling their behavior, causing traffic accidents. Despite its acute excitatory effects, there is no information on the psychological dependency elicited by α-PVP use. The purpose of the present study was to clarify whether the reward pathway is activated with repeated doses of α-PVP in experimental animals...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/28890655/comparison-of-3-derivatization-methods-for-the-analysis-of-amphetamine-related-drugs-in-oral-fluid-by-gas-chromatography-mass-spectrometry
#4
Khaled M Mohamed, Abdulsallam Bakdash
The heptafluorobutyric anhydride (HFBA), pentafluoropropionic anhydride (PFPA), and trifluoroacetic anhydride (TFAA) are compared as derivatizing reagents to use as the optimal method for the analysis of 10 amphetamines and cathinones in oral fluid. The target compounds were amphetamine (AMP), methamphetamine (MA), 4-methylamphetamine, 3,4-methylenedioxyamphetamine (MDA), 3,4-methylenedioxymethamphetamine (MDMA), 3,4-methylenedioxy-N-ethylamphetamine (MDEA), cathinone (CAT), methcathinone, mephedrone, and ephedrine...
2017: Analytical Chemistry Insights
https://www.readbyqxmd.com/read/28886216/identification-of-1-2-3-dihydro-1h-inden-5-yl-2-ethylamino-pentan-1-one-bk-ivp-in-a-seized-drug-exhibit
#5
Audra Curry Yovanovich, John V Goodpaster, Robert E Minto
To circumvent the law by evading regulation and obscuring their identities in routine analyses, numerous substituted cathinones have entered the illicit drug market. These compounds have been coined "bath salts" by users. In the described case, the laboratory received an unknown white powder for controlled substances identification. The sample could not be immediately identified using standard methods and procedures. Ultimately, the structure was elucidated using GC-MS, NMR, FTIR, GC-SPIR, UV, and color tests to be 1-(2,3-dihydro-1H-inden-5-yl)-2-(ethylamino)pentan-1-one (bk-IVP), a cathinone analog with a rarely observed nonoxygenated bicyclic ring system...
September 8, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28885007/stereoselective-differences-between-the-reinforcing-and-motivational-effects-of-cathinone-derived-4-methylmethcathinone-mephedrone-in-self-administering-rats
#6
Helene L Philogene-Khalid, Steven J Simmons, Sunil Nayak, Rose M Martorana, Shu H Su, Yohanka Caro, Brona Ranieri, Kathryn DiFurio, Lili Mo, Taylor A Gentile, Ali Murad, Allen B Reitz, John W Muschamp, Scott M Rawls
Mephedrone (4-methylmethcathinone (4-MMC)) (MEPH) is a new psychoactive substance (NPS) of the synthetic cathinone class. MEPH has a chiral center and exists as two enantiomers (R-,S-MEPH), yet stereospecific effects of MEPH have not been extensively investigated in preclinical assays. Because significant behavioral and neurochemical differences can exist between enantiomers, probing effects of stereochemistry on biological activity enables separation of adverse and therapeutic effects. Our prior work showed that R-MEPH, relative to S-MEPH, produced greater locomotor activation, place preference and facilitation of brain reward thresholds in rodents...
September 8, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28882561/locomotor-and-reinforcing-effects-of-pentedrone-pentylone-and-methylone-in-rats
#7
Mehrak Javadi-Paydar, Jacques D Nguyen, Sophia A Vandewater, Tobin J Dickerson, Michael A Taffe
The broad diversity of synthetic cathinone psychostimulant drugs that are available to users complicates research efforts to provide understanding of health risks. Second generation cathinones pentedrone and pentylone are distinguished from each other by the 3,4-methylenedioxy structural motif (which distinguishes methamphetamine from 3,4-methylenedioxymethamphetamine) and each incorporates the α-alkyl chain motif contained in the transporter-inhibitor cathinones (3,4-methylenedioxypyrovalerone (MDPV), α-pyrrolidinopentiophenone (α-PVP)) but not in the monoamine releasers (mephedrone, methylone)...
September 4, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28878698/synthetic-cathinone-and-cannabinoid-designer-drugs-pose-a-major-risk-for-public-health
#8
REVIEW
Aviv M Weinstein, Paola Rosca, Liana Fattore, Edythe D London
As part of an increasing worldwide use of designer drugs, recent use of compounds containing cathinones and synthetic cannabinoids is especially prevalent. Here, we reviewed current literature on the prevalence, epidemiology, bio-behavioral effects, and detection of these compounds. Gender differences and clinical effects will also be examined. Chronic use of synthetic cathinone compounds can have major effects on the central nervous system and can induce acute psychosis, hypomania, paranoid ideation, and delusions, similar to the effects of other better-known amphetamine-type stimulants...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28873977/one-step-derivatization-extraction-method-for-rapid-analysis-of-eleven-amphetamines-and-cathinones-in-oral-fluid-by-gc-ms
#9
Khaled Mohamed
A simple analytical method was developed for in-matrix derivatization of 11 amphetamine-like molecules. Ethyl chloroformate as the derivatization reagent and ethyl acetate as the extraction solvent were added directly to oral fluid samples at alkaline pH. Samples were analyzed by gas chromatography-mass spectrometry. Ions monitored for quantification were m/z 44, 91 and 116 for amphetamine (AMP); m/z 58, 91 and 130 for methamphetamine (MA); m/z 44, 105 and 116 for 4-methylamphetamine; m/z 44, 116 and 251 for 3,4-methylenedioxyamphetamine; m/z 58, 130 and 265 for 3,4-methylenedioxymethamphetamine (MDMA); m/z 72, 116 and 144 for 3,4-methylenedioxyethylamphetamine; m/z 44, 105 and 116 for cathinone; m/z 58, 105 and 130 for methcathinone; m/z 58, 119 and 130 for mephedrone; m/z 58, 107 and 130 for ephedrine (EPH); m/z 207, 250 and 322 for fenethylline; m/z 48, 92 and 120 for AMP-D5; m/z 62, 92 and 134 for MA-D5; m/z 48, 120 and 256 for MDA-D5; and m/z 62, 134 and 270 for MDMA-D5...
September 1, 2017: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/28868040/novel-psychoactive-substances-recent-progress-on-neuropharmacological-mechanisms-of-action-for-selected-drugs
#10
REVIEW
Zurina Hassan, Oliver G Bosch, Darshan Singh, Suresh Narayanan, B Vicknasingam Kasinather, Erich Seifritz, Johannes Kornhuber, Boris B Quednow, Christian P Müller
A feature of human culture is that we can learn to consume chemical compounds, derived from natural plants or synthetic fabrication, for their psychoactive effects. These drugs change the mental state and/or the behavioral performance of an individual and can be instrumentalized for various purposes. After the emergence of a novel psychoactive substance (NPS) and a period of experimental consumption, personal and medical benefits and harm potential of the NPS can be estimated on evidence base. This may lead to a legal classification of the NPS, which may range from limited medical use, controlled availability up to a complete ban of the drug form publically accepted use...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28866386/effects-of-orally-self-administered-bath-salt-constituent-3-4-methylenedioxypyrovalerone-mdpv-in-mice
#11
Brenda M Gannon, Lauren N Russell, Meet S Modi, Kenner C Rice, William E Fantegrossi
Synthetic cathinones in bath salts products are psychostimulant drugs of abuse, and 3,4-methylenedioxypyrovalerone (MDPV) is a common constituent of these products. Oral MDPV has been show to stimulate locomotor activity but reinforcing, locomotor and appetitive stimulus effects of oral MDPV are unknown. Choice procedures evaluated preference for 0.03, 0.10, 0.30, and 1.00mg/mL MDPV solutions versus 0.10mg/mL quinine solution or water. To verify that oral MDPV produced pharmacological effects, locomotor activity was monitored during and after consumption of water, quinine, or MDPV solutions...
August 4, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28828691/pharmacokinetics-of-mephedrone-and-its-metabolites-in-human-by-lc-ms-ms
#12
Eulàlia Olesti, Magí Farré, Esther Papaseit, Aristotelis Krotonoulas, Mitona Pujadas, Rafael de la Torre, Óscar J Pozo
Mephedrone is a synthetic cathinone consumed as a recreational drug. Recently, it was identified several of its metabolites in vivo in humans but there is little information about its pharmacokinetics in plasma and urine. Although several analytical methods have been proposed for mephedrone quantification in different matrices, none are available for its metabolites. Therefore, the aim of the study was to develop and validate an analytical method using liquid chromatography-tandem mass spectrometry for the quantification of mephedrone, nor-mephedrone, N-succinyl-nor-mephedrone, 1'-dihydro-mephedrone, and 4'-carboxy-mephedrone...
August 21, 2017: AAPS Journal
https://www.readbyqxmd.com/read/28815279/evaluation-of-training-dose-in-male-sprague-dawley-rats-trained-to-discriminate-4-methylmethcathinone
#13
Michael D Berquist, Nathyn A Thompson, Lisa E Baker
RATIONALE: Although the synthetic cathinone 4-methylmethcathinone (4-MMC, mephedrone) has been a subject of intensive research investigation, the pharmacological mechanisms involved in its interoceptive stimulus effects have yet to be fully characterized. OBJECTIVE: The present study employed drug discrimination methods in rats to compare the interoceptive stimulus properties of two different training doses of 4-MMC to other substances with similar pharmacological actions...
August 16, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28813207/examination-of-synthetic-cannabinoid-and-cathinone-use-among-a-drug-using-offender-sample-2013-2015
#14
Kirsten Elin Smith, Amanda M Bunting, Michele Staton, Robert Walker, Sara Shalash, Erin Winston, Kevin Pangburn
Use of novel psychoactive substances (NPS) such as synthetic cannabinoids (e.g., "Spice," "Serenity") and cathinones (e.g., "bath salts") has proliferated in recent years; however, there is a gap in research examining prevalence among offender samples. This study examined demographics, drug use, mental health characteristics, and criminal histories of NPS users compared to non-NPS users within an offender sample entering drug treatment. Using logistic regression analysis, combined 2013-2015 assessment data were examined (N = 8,791)...
August 16, 2017: Journal of Psychoactive Drugs
https://www.readbyqxmd.com/read/28811192/relative-reinforcing-effects-of-second-generation-synthetic-cathinones-acquisition-of-self-administration-and-fixed-ratio-dose-response-curves-in-rats
#15
REVIEW
Brenda M Gannon, Kayla I Galindo, Melson P Mesmin, Agnieszka Sulima, Kenner C Rice, Gregory T Collins
"Bath salts" preparations contain synthetic cathinones which interact with monoamine transporters and function as either monoamine uptake inhibitors or releasers. 3,4-Methylenedioxypyrovalerone (MDPV), 3,4-methylenedioxymethcathinone (methylone), and 4-methylmethcathinone (mephedrone) were three of the most common cathinones (i.e., "first-generation" cathinones); however, after the US Drug Enforcement Administration placed them under Schedule I regulations, they were replaced with structurally related cathinones that were not subject to regulations (i...
August 12, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28811141/the-pharmacokinetic-profile-of-synthetic-cathinones-in-a-pregnancy-model
#16
Lauren G Strange, Kerri Kochelek, Robert Keasling, Stacy D Brown, Brooks B Pond
In recent years, the abuse of synthetic cathinones or 'bath salts' has become a major public health concern. Although these compounds were initially sold legally and labeled "not for human consumption", the 'bath salts' are psychostimulants, with similar structures and pharmacologic mechanisms to cocaine, the amphetamines, and 3,4 methylendioxymethamphetamine (MDMA, Molly, or Ecstasy). The reported use of these substances by women of child-bearing age highlights the necessity of studies seeking to delineate risks of prenatal exposure...
August 12, 2017: Neurotoxicology and Teratology
https://www.readbyqxmd.com/read/28810159/hair-testing-to-assess-both-known-and-unknown-use-of-drugs-amongst-ecstasy-users-in-the-electronic-dance-music-scene
#17
Joseph J Palamar, Alberto Salomone, Enrico Gerace, Daniele Di Corcia, Marco Vincenti, Charles M Cleland
BACKGROUND: Data on both known and unknown drug use in the electronic dance music (EDM) scene is important to inform prevention and harm reduction. While surveys are the most common method of querying drug use, additional biological data can help validate use and detect unknown/unintentional use of drugs such as new psychoactive substances (NPS). We sought to determine the extent of both known and unknown use of various substances in this high-risk scene. METHODS: We hair-tested 90 self-reported past-year ecstasy/MDMA/Molly users attending EDM parties in New York City during the summer of 2016 using UHPLC-MS/MS...
October 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28808405/catha-edulis-forsk-khat-evaluation-of-its-antidepressant-like-activity
#18
Hassan Alfaifi, Siddig Ibrahim Abdelwahab, Syam Mohan, Manal Mohamed Elhassan Taha, Sohier M Syame, Lamiaa A Shaala, Rashad Alsanosy
BACKGROUND: Catha edulis Forsk. (Khat) is traditionally used for treating various disorders. Nevertheless there are no reports of any scientific assessment of its psychopharmacological properties. OBJECTIVE: Therefore, the current study was designed to evaluate the antidepressant-like activity of Khat ethanolic extract using established animal models of depression and stress. MATERIALS AND METHODS: Ninety healthy male albino mice were used in this study...
July 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28777732/body-image-and-eating-disorders-are-common-among-professional-and-amateur-athletes-using-performance-and-image-enhancing-drugs-a-cross-sectional-study
#19
Daria Piacentino, Georgios D Kotzalidis, Livia Longo, Antonio Pavan, Luciano Stivali, Guido Stivali, Stefano Ferracuti, Roberto Brugnoli, Paola Frati, Vittorio Fineschi, Paolo Girardi, Gabriele Sani
The use of performance and image enhancing drugs (PIEDs) is not uncommon in athletes and appears to be associated with several psychopathological disorders of unclear prevalence. In this multicenter, cross-sectional study, we aimed to evaluate the prevalence of body image disorders (BIDs) and eating disorders (EDs) in PIED-using athletes vs. PIED nonusers. We enrolled 84 consecutive professional and amateur athletes training in sport centers in Italy, who underwent semi-structured interviews (SCID-I, SCID-II) and completed the Body Image Concern Inventory (BICI) and the Sick, Control, One, Fat, Food Eating Disorder Screening Test (SCOFF)...
August 4, 2017: Journal of Psychoactive Drugs
https://www.readbyqxmd.com/read/28777688/attitudes-and-beliefs-about-new-psychoactive-substance-use-among-electronic-dance-music-party-attendees
#20
Joseph J Palamar, Patricia Acosta, Charles M Cleland
BACKGROUND: Attitudes and beliefs about drug use have been shown to be robust correlates of use of drugs such as alcohol, marijuana, and cocaine; however, little is known regarding attitudes or beliefs about new psychoactive substances (NPS). We sought to examine attitudes and beliefs about NPS and how they relate to self-reported use in a high-risk population-electronic dance music (EDM) party attendees. METHOD: 1,048 individuals (age 18-40) were surveyed entering EDM parties in New York City in 2016...
August 4, 2017: Substance Use & Misuse
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