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Amphetamine typed stimulants

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https://www.readbyqxmd.com/read/29051727/syvn1-an-erad-e3-ubiquitin-ligase-is-involved-in-gabaa%C3%AE-1-degradation-associated-with-methamphetamine-induced-conditioned-place-preference
#1
Dong-Liang Jiao, Yan Chen, Yao Liu, Yun-Yue Ju, Jian-Dong Long, Jiang Du, Chang-Xi Yu, Yu-Jun Wang, Min Zhao, Jing-Gen Liu
Abuse of methamphetamine (METH), a powerful addictive amphetamine-type stimulants (ATS), is becoming a global public health problem. The gamma-aminobutyric acid (GABA)ergic system plays a critical role in METH use disorders. By using rat METH conditioned place preference (CPP) model, we previously demonstrated that METH-associated rewarding memory formation was associated with the reduction of GABAAα1 expression in the dorsal straitum (Dstr), however, the underlying mechanism was unclear. In the present study, we found that METH-induced CPP formation was accompanied by a significant increase in the expression of Synovial apoptosis inhibitor 1 (SYVN1), an endoplasmic reticulum (ER)-associated degradation (ERAD) E3 ubiquitin ligase, in the Dstr...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29037791/effect-of-optogenetic-modulation-on-entopeduncular-input-affects-thalamic-discharge-and-behavior-in-an-aav2-%C3%AE-synuclein-induced-hemiparkinson-rat-model
#2
Hyeong Cheol Moon, So Yoon Won, Eung Gook Kim, Hyong Kyu Kim, Chul Bum Cho, Young Seok Park
OBJECTIVE: Neuromodulation of the globus pallidus internus(GPi) alleviates Parkinson's disease symptoms. The primate GPi is homologous to the rat entopeduncular nucleus (EP). The aim of the present study was to determine if optogenetic modulation of the EP could alter parkinsonian behavior or thalamic discharge in a hemiparkinson rat model. METHODS: We injected an adeno-associated virus type-2 expressing α-synuclein (AAV2-α-syn) into the substantia nigra pars compacta (SNc) of the right hemisphere and confirmed parkinsonian behavior using an amphetamine-induced rotation test...
October 14, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/29029537/the-synergistic-effect-of-dual-use-of-amphetamine-type-stimulants-and-ketamine-on-drug-induced-psychotic-symptoms-in-chinese-synthetic-drug-users
#3
Xue-Bing Liu, Yao Zhang, Xu-Yi Wang, Wei Hao
The use of amphetamine-type stimulants (ATS) and ketamine is of particular clinical concern because of its associated psychotic symptoms. In Chinese clinical practice, ATS and ketamine are commonly used simultaneously, but very few studies have reported the symptom profile of users who use both drugs. This study determined whether the combined use of ATS and ketamine is associated with more psychotic symptoms than either ATS or ketamine alone. According to drug use characteristics, 375 Chinese synthetic drug users were categorized into 2 pairs of comparison groups: ATS-only (n=125) vs...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28993742/development-and-validation-of-the-amphetamine-type-stimulants-motive-questionnaire-in-a-clinical-population
#4
Daniela Thurn, Emmanuel Kuntsche, Jennifer Anna Weber, Jörg Wolstein
Approximately 35.7 million people world-wide use amphetamine-type stimulants (ATS) leading to a high demand for effective treatment. Understanding the motives behind ATS use is a necessary basis for preventive and therapeutic treatment. The objective of this study is to develop the Amphetamine-Type stimulants Motive Questionnaire (AMQ) and to confirm its construct and concurrent validity in respect to the first and the latest month of ATS use based on answers of 233 patients with ATS disorders (74.2% male; mean age: 31...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28978251/intermolecular-interactions-between-dna-and-methamphetamine-amphetamine-ecstasy-and-their-major-metabolites
#5
Arthur F V F Reis, Igor L P Gonçalves, Abel F G Neto, Alberdan S Santos, Kamil Kuca, Eugenie Nepovimova, Antonio M J C Neto
In this work we carried out a theoretical investigation regarding amphetamine-type stimulants, which can cause central nervous system degeneration, interacting with human DNA. Theseinclude amphetamine, methamphetamine,3,4-Methylenedioxymethamphetamine (also known as ecstasy), as well as their main metabolites. The studies were performed through molecular docking and molecular dynamics simulations, where molecular interactions of the receptor-ligand systems, along with their physical-chemical energies, were reported...
October 5, 2017: Journal of Biomolecular Structure & Dynamics
https://www.readbyqxmd.com/read/28957720/application-of-gas-chromatography-tandem-mass-spectrometry-for-the-determination-of-amphetamine-type-stimulants-in-blood-and-urine
#6
Mateusz Kacper Woźniak, Marek Wiergowski, Justyna Aszyk, Paweł Kubica, Jacek Namieśnik, Marek Biziuk
Amphetamine, methamphetamine, phentermine, 3,4-methylenedioxyamphetamine (MDA), 3,4-methylenedioxymethamphetamine (MDMA), and 3,4-methylenedioxy-N-ethylamphetamine (MDEA) are the most popular amphetamine-type stimulants. The use of these substances is a serious societal problem worldwide. In this study, a method based on gas chromatography-tandem mass spectrometry (GC-MS/MS) with simple and rapid liquid-liquid extraction (LLE) and derivatization was developed and validated for the simultaneous determination of the six aforementioned amphetamine derivatives in blood and urine...
September 18, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28942374/toxicological-findings-in-suspected-drug-impaired-drivers-in-norway-trends-during-1990-2015
#7
Anja Valen, Stig Tore Bogstrand, Vigdis Vindenes, Hallvard Gjerde
This study describes trends in drug use among drivers suspected of driving under the influence of drugs, apprehended by the police in Norway during 1990-2015. Chromatographically determined toxicological findings in blood samples were retrospectively investigated. Drug findings above defined cut-off concentrations were considered positive; hence making the annual prevalence comparable during the 26 years studied. Blood samples from 112,348 drivers were included, of which 63% were positive for drugs; 43% had combined drug with alcohol or other drugs...
September 15, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28922649/determination-of-74-new-psychoactive-substances-in-serum-using-automated-in-line-solid-phase-extraction-liquid-chromatography-tandem-mass-spectrometry
#8
Sabrina Lehmann, Tobias Kieliba, Justus Beike, Mario Thevis, Katja Mercer-Chalmers-Bender
A detailed description is given of the development and validation of a fully automated in-line solid-phase extraction-liquid chromatography-tandem mass spectrometry (SPE-LC-MS/MS) method capable of detecting 90 central-stimulating new psychoactive substances (NPS) and 5 conventional amphetamine-type stimulants (amphetamine, 3,4-methylenedioxy-methamphetamine (MDMA), 3,4-methylenedioxy-amphetamine (MDA), 3,4-methylenedioxy-N-ethyl-amphetamine (MDEA), methamphetamine) in serum. The aim was to apply the validated method to forensic samples...
October 1, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28912087/endocannabinoid-mechanism-in-amphetamine-type-stimulant-use-disorders-a-short-review
#9
REVIEW
Hang Su, Min Zhao
Recent evidence shows that the endocannabinoid system is involved in amphetamine-type stimulants (ATS) use disorders. To elucidate the role of the endocannabinoid system in ATS addiction, we reviewed results of studies using cannabinoid receptor agonists, antagonists as well as knockout model. The endocannabinoid system seems to play a role in reinstatement and relapse of ATS addiction and ATS-induced psychiatric symptoms. The molecular mechanisms of this system remains unclear, the association with dopamine system in nucleus accumbens is most likely involved...
September 11, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
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
#10
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...
October 2017: Forensic Science International
https://www.readbyqxmd.com/read/28901213/hiv-prevalence-and-correlated-factors-of-female-sex-workers-and-male-clients-in-a-border-region-of-yunnan-province-china
#11
Jing Zhu, Rui Yuan, Dan Hu, Zhibin Zhu, Ning Wang, Bei Wang
Female sex workers (FSWs) and their male clients are vulnerable to HIV infection and serve as a bridge in HIV transmission from the high-risk population to the general, low-risk population. To examine the factors of FSWs and male clients that correlate with the prevalence of HIV infection in the Chinese-Vietnamese border region, a cross-sectional survey was conducted in 2014 in the Hekou county of the Yunnan province of China. We performed a questionnaire survey to collect data on demographics, sexual behavior, and drug use...
January 1, 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/28881029/prosaas-derived-peptides-are-regulated-by-cocaine-and-are-required-for-sensitization-to-the-locomotor-effects-of-cocaine
#12
Iryna Berezniuk, Ramona M Rodriguiz, Michael L Zee, David J Marcus, John Pintar, Daniel J Morgan, William C Wetsel, Lloyd D Fricker
To identify neuropeptides that are regulated by cocaine, we used a quantitative peptidomic technique to examine the relative levels of neuropeptides in several regions of mouse brain following daily intraperitoneal administration of 10 mg/kg cocaine or saline for seven days. A total of 102 distinct peptides were identified in one or more of the following brain regions: nucleus accumbens, caudate putamen, frontal cortex, and ventral tegmental area. None of the peptides detected in the caudate putamen or frontal cortex were altered by cocaine administration...
September 7, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28878698/synthetic-cathinone-and-cannabinoid-designer-drugs-pose-a-major-risk-for-public-health
#13
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/28870232/hiv-treatment-cascade-among-female-entertainment-and-sex-workers-in-cambodia-impact-of-amphetamine-use-and-an-hiv-prevention-program
#14
Sokunny Muth, Aynar Len, Jennifer L Evans, Maly Phou, Sophal Chhit, Yuthea Neak, Song Ngak, Ellen S Stein, Adam W Carrico, Lisa Maher, Kimberly Page
BACKGROUND: HIV prevalence remains high in Cambodia among female entertainment and sex workers (FESW), and amphetamine-type stimulant (ATS) use significantly increases risk of infection. A successful continuum of care (CoC) is key to effective clinical care and prevention. This study aimed to describe the HIV CoC in HIV-positive FESW. We examined CoC outcomes among HIV-positive FESW participating in the Cambodia Integrated HIV and Drug Prevention Implementation (CIPI) study, being implemented in ten provinces...
September 5, 2017: Addiction Science & Clinical Practice
https://www.readbyqxmd.com/read/28815276/determination-of-89-drugs-and-other-micropollutants-in-unfiltered-wastewater-and-freshwater-by-lc-ms-ms-an-alternative-sample-preparation-approach
#15
Alexandros G Asimakopoulos, Pranav Kannan, Sean Higgins, Kurunthachalam Kannan
A liquid chromatography-triple quadrupole-tandem mass spectrometry (LC-qQq-MS/MS) method was developed for simultaneous determination of 89 legal neuropsychiatric pharmaceuticals and illicit drugs (both parent compounds and metabolites) and other micropollutants in unfiltered wastewater and freshwater. The target chemicals fall under the classes of amphetamine-type stimulants, cocaine compounds, opiates and opioids, benzodiazepines, lysergic compounds, antipsychotics, anesthetics, antiepileptics, antidepressants, sympathomimetics, cannabinoids, blood thinners, antihistamines, β-blockers, caffeine derivatives, nicotine derivatives, z-drugs, new designer drugs, and Alzheimer medications...
August 16, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28813419/vaccine-driven-pharmacodynamic-dissection-and-mitigation-of-fenethylline-psychoactivity
#16
Cody J Wenthur, Bin Zhou, Kim D Janda
Fenethylline, also known by the trade name Captagon, is a synthetic psychoactive stimulant that has recently been linked to a substance-use disorder and 'pharmacoterrorism' in the Middle East. Although fenethylline shares a common phenethylamine core with other amphetamine-type stimulants, it also incorporates a covalently linked xanthine moiety into its parent structure. These independently active pharmacophores are liberated during metabolism, resulting in the release of a structurally diverse chemical mixture into the central nervous system...
August 24, 2017: Nature
https://www.readbyqxmd.com/read/28807495/the-colorful-spectrum-of-tourette-syndrome-and-its-medical-surgical-and-behavioral-therapies
#17
Jan Roth
Tourette syndrome (TS) is a common neuropsychiatric disorder, more common in males than females, with onset before age 18. TS is characterized by multiple motor tics and one or more vocal/phonic tics, persisting for more than a year. Tics are unvoluntary, abrupt, rapid, repetitive, but non-rhythmic movements or sounds (vocalizations). They are preceded by an inner urge. Tics can be temporarily suppressed, but this leads to a powerful re-emergence. The performance of tics results in immediate but transient relief...
August 10, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28777172/narcolepsy-and-other-central-hypersomnias
#18
Yves Dauvilliers, Lucie Barateau
PURPOSE OF REVIEW: This article focuses on the clinical presentation, pathophysiology, diagnosis, differential diagnosis, and management of narcolepsy type 1 and narcolepsy type 2, idiopathic hypersomnia, Kleine-Levin syndrome, and other central disorders of hypersomnolence, as defined in the International Classification of Sleep Disorders, Third Edition (ICSD-3). RECENT FINDINGS: In ICSD-3, the names of some central disorders of hypersomnolence have been changed: narcolepsy with cataplexy and narcolepsy without cataplexy have been renamed narcolepsy type 1 and narcolepsy type 2, respectively...
August 2017: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/28765380/high-expenditure-pharmaceutical-use-among-children-in-medicaid
#19
Eyal Cohen, Matt Hall, Ruth Lopert, Brian Bruen, Lisa J Chamberlain, Naomi Bardach, Jennifer Gedney, Bonnie T Zima, Jay G Berry
BACKGROUND AND OBJECTIVES: Medication use may be a target for quality improvement, cost containment, and research. We aimed to identify medication classes associated with the highest expenditures among pediatric Medicaid enrollees and to characterize the demographic, clinical, and health service use of children prescribed these medications. METHODS: Retrospective, cross-sectional study of 3 271 081 Medicaid-enrolled children. Outpatient medication spending among high-expenditure medication classes, defined as the 10 most expensive among 261 mutually exclusive medication classes, was determined by using transaction prices paid to pharmacies by Medicaid agencies and managed care plans among prescriptions filled and dispensed in 2013...
September 2017: Pediatrics
https://www.readbyqxmd.com/read/28755886/pharmacological-profile-of-mephedrone-analogs-and-related-new-psychoactive-substances
#20
REVIEW
Dino Luethi, Karolina E Kolaczynska, Luca Docci, Stephan Krähenbühl, Marius C Hoener, Matthias E Liechti
BACKGROUND: Mephedrone is a synthetic cathinone and one of the most popular recreationally used new psychoactive substances. The aim of the present study was to characterize the in vitro pharmacology of novel analogs of mephedrone and related newly emerged designer stimulants. METHODS: We determined norepinephrine, dopamine, and serotonin transporter inhibition potencies and monoamine release in transporter-transfected human embryonic kidney 293 cells. We also assessed monoamine receptor and transporter binding affinities...
July 26, 2017: Neuropharmacology
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