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Psychostimulant

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https://www.readbyqxmd.com/read/28917981/intranasal-insulin-treatment-alleviates-methamphetamine-induced-anxiety-like-behavior-and-neuroinflammation
#1
Elmira Beirami, Shahrbanoo Oryan, Seyedeh Masoumeh Seyedhoseini Tamijani, Abolhassan Ahmadiani, Leila Dargahi
Insulin, as a peptide hormone, has recently gained attention for its pro-cognitive, anti-inflammatory and neuroprotective effects in the central nervous system (CNS). Most studies have indicated anxiogenic and neuroinflammatory effects of methamphetamine (MA) and other psychostimulants, even after periods of abstinence. The present study aimed to examine whether intranasal (IN) insulin treatment with high CNS bioavailability and minimal systemic side effects, can reverse the anxiety-like behavior and neuroinflammation induced by repeated MA administration...
September 13, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28917948/effects-of-methamphetamine-on-alloparental-behavior-in-male-and-female-prairie-voles
#2
Adam N Perry, Richard J Ortiz, Keziah R Hernandez, Bruce S Cushing
Psychostimulant abuse is associated with a variety of impairments in social functioning, including an increased frequency of depression and aggression and deficits in social cognition. Psychostimulants reduce social investigation in rats and mice; however, it is less clear how other forms of social behavior (e.g., prosocial behavior) are affected. Females are also generally more sensitive to the effects of psychostimulants on locomotion and stereotyped behavior, which suggests that females might also display greater disruption of prosocial behavior...
September 13, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28910210/gender-differences-in-nonprescribed-psychostimulant-use-in-young-adults
#3
Tess E Smith, Alan D DeSantis, Michelle M Martel
BACKGROUND: In order to better understand the recent rise in nonprescribed use of psychostimulants on college campuses, motives, outcomes, and acceptability of nonprescribed psychostimulants have been evaluated. Despite knowledge that students use nonprescribed medical stimulants for improved academic performance and recreational use, gender differences in these motives have not been examined, despite the fact that the social construction of gender may well affect motives for use. OBJECTIVES: The goal of the present study was to examine gender differences in motives, outcomes, and acceptability of nonprescribed psychostimulant use...
September 14, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28910196/effect-of-alpinia-galanga-on-mental-alertness-and-sustained-attention-with-or-without-caffeine-a-randomized-placebo-controlled-study
#4
Shalini Srivastava, Mark Mennemeier, Surekha Pimple
OBJECTIVE: Although Alpinia galanga has been reported to improve cognitive performance in animals, it has not been thoroughly studied for its potential psychostimulant effect in humans. A randomized, double-dummy, double-blind, placebo-controlled cross-over study was conducted to determine the effect of A galanga on mental alertness and sustained attention in comparison with caffeine and placebo in participants with a habitual caffeine intake. METHODS: Fifty-nine participants (18-40 years and body mass index of ≥18...
September 14, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28910145/the-clinical-pharmacokinetics-of-amphetamines-utilized-in-the-treatment-of-attention-deficit-hyperactivity-disorder
#5
John S Markowitz, Kennerly S Patrick
Amphetamine (AMP), an indirectly acting psychostimulant approved for the treatment of attention-deficit/hyperactivity disorder (ADHD) in children, adolescents, and adults, is among the most long-standing therapeutic agents in all of clinical psychopharmacology. This review focuses on AMP absorption, metabolism, and elimination brought to bear on comparative pharmacokinetics in its various formulations. A comprehensive search of the published literature was conducted using MEDLINE (PubMed) and Google Scholar databases through April 2017 to retrieve all pertinent in vitro and human studies for review and synthesis...
September 14, 2017: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/28906602/addressing-diagnosis-and-treatment-gaps-in-adults-with-attention-deficit-hyperactivity-disorder
#6
Rakesh Jain, Saundra Jain, C Brendan Montano
Attention-deficit/hyperactivity disorder (ADHD) was originally defined in children but is now recognized to persist into adulthood for some patients. Despite this recognition, adult ADHD remains underdiagnosed. This narrative review describes the negative impact of ADHD across multiple functional domains, diagnostic guidelines for adult ADHD and its clinical features, the importance of screening tools and clinical interviews to help evaluate adults for ADHD, and adult ADHD treatment options. Diagnostic guidelines for ADHD now incorporate adult-specific symptoms and behavioral manifestations, which may aid in diagnosing adult ADHD...
September 7, 2017: Primary Care Companion to CNS Disorders
https://www.readbyqxmd.com/read/28905997/children-with-neurodevelopmental-disorders-and-disabilities-a-population-based-study-of-healthcare-service-utilization-using-administrative-data
#7
Rubab G Arim, Anton R Miller, Anne Guèvremont, Lucyna M Lach, Jamie C Brehaut, Dafna E Kohen
AIM: The aim of this study was to identify children with neurodevelopmental disorders and disabilities (NDD/D) and compare their healthcare service utilization to children without NDD/D using provincial linked administrative data. METHOD: The sample included children aged 6 to 10 years (n=183 041), who were registered with the British Columbia Medical Services Plan. Diagnostic information was used for the identification and classification of NDD/D in six functional domains...
September 14, 2017: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/28905875/structural-and-functional-characterization-of-the-interaction-of-snapin-with-the-dopamine-transporter-differential-modulation-of-psychostimulant-actions
#8
Amaia M Erdozain, Stéphanie De Gois, Véronique Bernard, Victor Gorgievski, Nicolas Pietrancosta, Sylvie Dumas, Carlos E Macedo, Peter Vanhoutte, Jorge E Ortega, J Javier Meana, Eleni T Tzavara, Vincent Vialou, Bruno Giros
The importance of dopamine (DA) neurotransmission is emphasized by its direct implication in several neurological and psychiatric disorders. The DA transporter (DAT), target of psychostimulant drugs, is the key protein that regulates spatial and temporal activity of DA in the synaptic cleft via the rapid reuptake of DA into the presynaptic terminal. There is strong evidence suggesting that DAT-interacting proteins may play a role in its function and regulation. Performing a yeast-2-hybrid screening, we identified snapin, a SNARE-associated protein implicated in synaptic transmission, as a new binding partner of the carboxyl terminal of DAT...
September 14, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28895757/intoxications-in-the-strida-project-involving-a-panorama-of-psychostimulant-pyrovalerone-derivatives-mdpv-copycats
#9
Olof Beck, Matilda Bäckberg, Patrick Signell, Anders Helander
CONTEXT: An increasing number of new psychoactive substances (NPS) of different chemical classes have become available through marketing and sale over the Internet. This report from the Swedish STRIDA project presents the prevalence, laboratory results, and clinical features in intoxications involving 11 stimulant pyrovalerone NPS derivatives over a 5-year period. STUDY DESIGN: Case series of consecutive patients with admitted or suspected intake of NPS presenting to Swedish hospitals for emergency treatment from January 2011 to March 2016...
September 12, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28895043/effects-of-long-term-caffeine-consumption-on-the-adenosine-a1-receptor-in-the-rat-brain-an-in-vivo-pet-study-with-18-f-cpfpx
#10
Danje Nabbi-Schroeter, David Elmenhorst, Angela Oskamp, Stefanie Laskowski, Andreas Bauer, Tina Kroll
PURPOSE: Caffeine, a nonselective antagonist of adenosine receptors, is the most popular psychostimulant worldwide. Recently, a protective role of moderate chronic caffeine consumption against neurodegenerative diseases such as Alzheimer's and Parkinson's disease has been discussed. Thus, aim of the present study was an in vivo investigation of effects of long-term caffeine consumption on the adenosine A1 receptor (A1AR) in the rat brain. PROCEDURES: Sixteen adult, male rats underwent five positron emission tomography (PET) scans with the highly selective A1AR radioligand [(18)F]CPFPX in order to determine A1AR availability...
September 11, 2017: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/28894302/g%C3%AE-%C3%AE-subunit-activation-promotes-dopamine-efflux-through-the-dopamine-transporter
#11
J Garcia-Olivares, T Baust, S Harris, P Hamilton, A Galli, S G Amara, G E Torres
The dopamine transporter (DAT) is an important regulator of brain dopamine (DA) homeostasis, controlling the intensity and duration of DA signaling. DAT is the target for psychostimulants-like cocaine and amphetamine-and plays an important role in neuropsychiatric disorders, including attention-deficit hyperactivity disorder and drug addiction. Thus, a thorough understanding of the mechanisms that regulate DAT function is necessary for the development of clinical interventions to treat DA-related brain disorders...
September 12, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28893054/effect-of-methylphenidate-on-orthodontic-tooth-movement-and-histological-features-of-bone-tissue-in-rats-an-experimental-study
#12
Hossein Aghili, Soghra Yassaei, Shokouh Taghipour Zahir, Rahele Arjmandi
INTRODUCTION: Methylphenidate is a psychostimulant drug, which is commonly used by children and teenagers. This age group receives most orthodontic treatment. Effect of this drug on tooth movement is unknown. AIM: The aim of this study was to evaluate the effect of methylphenidate on orthodontic tooth movement and histological features of bone tissue in rats. MATERIALS AND METHODS: Forty-two Wistar rats (male) were selected and divided to three groups, randomly (n=14)...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28892721/glial-and-neuroinflammatory-targets-for-treating-substance-use-disorders
#13
REVIEW
Ryan K Bachtell, Jermaine D Jones, Keith G Heinzerling, Patrick M Beardsley, Sandra D Comer
BACKGROUND: The plenary session at the 2016 Behavior, Biology and Chemistry: Translational Research in Addiction Conference focused on glia as potential players in the development, persistence and treatment of substance use disorders. Glia partake in various functions that are important for healthy brain activity. Drugs of abuse alter glial cell activity producing several perturbations in brain function that are thought to contribute to behavioral changes associated with substance use disorders...
August 31, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28882561/locomotor-and-reinforcing-effects-of-pentedrone-pentylone-and-methylone-in-rats
#14
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/28881029/prosaas-derived-peptides-are-regulated-by-cocaine-and-are-required-for-sensitization-to-the-locomotor-effects-of-cocaine
#15
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/28879800/acute-caffeine-ingestion-affects-surround-suppression-of-perceived-contrast
#16
Bao N Nguyen, Sui-Ann Hew, John Ly, Hee-Young Shin, Jessica C Wong, Emily Yeung, Allison M McKendrick
Caffeine is a widely used psychostimulant that is associated with increased acetylcholine levels in mammalian brain and acetycholinesterase antagonism. Acetylcholine, a neuromodulator, plays an important role in the processing of visual information. One key example in human vision, thought to at least partly involve cholinergic neuromodulation, is perceptual surround suppression of contrast, whereby the perceived contrast of a pattern is altered by the presence of a neighbouring pattern. Perceptual surround suppression is weaker with pharmacological administration of donepezil (a centrally-acting acetylcholine enzyme inhibitor) in healthy human observers...
August 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28878626/map-kinase-phosphatase-3-mkp3-preserves-norepinephrine-transporter-activity-by-modulating-erk1-2-kinase-mediated-gene-expression
#17
Ole V Mortensen, Mads B Larsen, Susan G Amara
The norepinephrine transporter (NET) mediates the clearance of norepinephrine (NE) from the extracellular space and is a target of therapeutic antidepressants and psychostimulants. Previously we identified a MAP kinase phosphatase 3 (MKP3), as an important modulator of protein kinase C (PKC) mediated internalization of the related dopamine transporter (DAT). Here we show that MKP3 decreases PKC-mediated down regulation of NET expressed in PC12 cells. We demonstrate that this process involves a PKC-stimulated decrease of NET surface expression that is dependent on dynamin...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28870635/cannabidiol-inhibits-priming-induced-reinstatement-of-methamphetamine-in-rem-sleep-deprived-rats
#18
Saeideh Karimi-Haghighi, Abbas Haghparast
Methamphetamine (METH) is a widely abused and a severely addictive psychostimulant. Relapse is the main cause of concern when treating addiction. It could manifest after a long period of abstinence. Previous studies showed that there is a strong connection between sleep impairment and relapse. Also, it has been reported that cannabidiol might be a potential treatment for drug craving and relapse. In this study, we used conditioned place preference (CPP) to investigate whether Cannabidiol (CBD), a phytocannabinoid, can prevent METH-induced reinstatement in Rapid Eye Movement Sleep Deprived (RSD) rats...
September 1, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28866386/effects-of-orally-self-administered-bath-salt-constituent-3-4-methylenedioxypyrovalerone-mdpv-in-mice
#19
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/28865391/discriminative-stimulus-and-locomotor-effects-of-para-substituted-and-benzofuran-analogs-of-amphetamine
#20
Sean B Dolan, Michael J Forster, Michael B Gatch
Novel psychoactive substances have maintained a prominent role in the global drug culture, despite increased regulation by governing bodies. Novel compounds continue to become available on the market, often in "Ecstasy" or "Molly" formulations in lieu of MDMA, at a much faster rate than they can be properly characterized. The current study aimed to investigate the discriminative stimulus and locomotor effects of three putatively entactogenic compounds that have become increasingly prevalent on the drug market: 5-(2-aminopropyl)-benzofuran (5-APB), 6-(2-aminopropryl)-2,3-dihydrobenzofuran (6-APDB), and 4-fluoroamphetamine (4-FA)...
August 24, 2017: Drug and Alcohol Dependence
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