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Methamphetamine addiction

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https://www.readbyqxmd.com/read/28645061/the-neurochemical-consequences-of-methamphetamine-self-administration-in-male-and-female-rats
#1
Andrew Johansen, Lisa M McFadden
BACKGROUND: Methamphetamine (METH) is an addictive substance that is used in both males and females. Few preclinical studies have focused on understanding sex-differences in the neurochemical consequences of contingent METH. The purpose of the current study was to investigate potential sex-differences in the neurochemical consequences of METH self-administration. METHODS: Male and female adult rats were given extended access to METH or saline self-administration for 7d...
June 6, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28621212/methamphetamine-causes-neurotoxicity-by-promoting-polarization-of-macrophages-and-inflammatory-response
#2
X Li, F Wu, L Xue, B Wang, J Li, Y Chen, T Chen
Macrophages, especially their activation state, are closely related to the progression of neurotoxicity. Classically activated macrophages (M1) are proinflammatory effectors, while alternatively activated macrophages (M2) exhibit anti-inflammatory properties. As a powerful addictive psychostimulant drug, coupled with its neurotoxicity, methamphetamine (Meth) abuse may lead to long-lasting abnormalities in the neuronal system. The present study investigated the effect of Meth at subtoxic concentration on macrophage activation state and its underlying toxicity to neuronal cells...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/28601731/methamphetamine-alcohol-interactions-in-murine-models-of-sequential-and-simultaneous-oral-drug-taking
#3
Elissa K Fultz, Douglas L Martin, Courtney N Hudson, Tod E Kippin, Karen K Szumlinski
BACKGROUND: A high degree of co-morbidity exists between methamphetamine (MA) addiction and alcohol use disorders and both sequential and simultaneous MA-alcohol mixing increases risk for co-abuse. As little preclinical work has focused on the biobehavioral interactions between MA and alcohol within the context of drug-taking behavior, we employed simple murine models of voluntary oral drug consumption to examine how prior histories of either MA- or alcohol-taking influence the intake of the other drug...
May 24, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28589263/assessment-of-tolerance-to-the-effects-of-methamphetamine-on-daytime-and-nighttime-activity-evaluated-with-actigraphy-in-rhesus-monkeys
#4
Laís F Berro, Monica L Andersen, Leonard L Howell
RATIONALE: Methamphetamine is one of the most largely consumed illicit drugs, and its use is associated with abuse liability and several adverse health effects, such as sleep impairment. Importantly, sleep quality can influence addiction treatment outcomes. Evidence suggests that tolerance can develop to the sleep-disrupting effects of stimulant drugs. OBJECTIVE: The aim of the present study was to investigate the development of tolerance to the actigraphy-based sleep-disrupting and stimulant effects of methamphetamine self-administration in rhesus monkeys...
June 7, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28584929/steep-effort-discounting-of-a-preferred-reward-over-a-freely-available-option-in-prolonged-methamphetamine-withdrawal-in-male-rats
#5
Andrew B Thompson, Julian Gerson, Alexandra Stolyarova, Amador Bugarin, Evan E Hart, J David Jentsch, Alicia Izquierdo
RATIONALE: Drug addiction can be described as aberrant allocation of effort toward acquiring drug, despite associated costs. It is unclear if this behavioral pattern results from an overvaluation of reward or to an altered sensitivity to costs. OBJECTIVE: Present experiments assessed reward sensitivity and effortful choice in rats following 1 week of withdrawal from methamphetamine (mAMPH). METHODS: Rats were treated with either saline or an escalating dose mAMPH regimen, then tested after a week without the drug...
June 6, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28583866/effects-of-chronic-cocaine-morphine-and-methamphetamine-on-the-mobility-immobility-and-stereotyped-behaviors-in-crayfish
#6
Adebobola Imeh-Nathaniel, Natalia Rincon, Vasiliki Bessie Orfanakos, Leanne Brechtel, Leah Wormack, Erika Richardson, Robert Huber, Thomas I Nathaniel
The worth of crayfish as a model system for studies of addiction was not previously recognized because a drug-reward phenomenon had not been documented in this model system. In our previous experiments, we demonstrate that the crayfish natural reward pathways are sensitive to human drugs of abuse. This finding supports crayfish as a suitable model to characterize specific behaviors that are relevant in drug addiction research, and the current study builds on our previous findings. The aim of the present study was to investigate unconditioned neurobehavioral effects of repeated treatment regimens using cocaine, morphine, and methamphetamine for three consecutive days...
June 3, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28570298/the-effect-of-litter-separation-on-methamphetamine-conditioned-place-preference-in-post-partum-dams
#7
Candace R Lewis, Allison N Baker, Paulette Fennig, Phoebe Conrad, Lyndsay Hess, Ryan M Bastle, M Foster Olive
Methamphetamine (METH) abuse among women has recently increased to levels comparable to those observed in men. Although studies using animal models of addiction have begun to include more female subjects, examination of the effects of drugs of abuse on post-partum females is currently lacking. This is especially important in light of the significant hormonal and neurobiological changes that accompany pregnancy and rearing experiences. Furthermore, stress in a known factor in addiction vulnerability and the post-partum experience in the clinical population can be highly stressful...
May 31, 2017: Behavioural Pharmacology
https://www.readbyqxmd.com/read/28551495/capsular-specific-igm-enhances-complement-mediated-phagocytosis-and-killing-of-cryptococcus-neoformans-by-methamphetamine-treated-j774-16-macrophage-like-cells
#8
Lilit Aslanyan, Vaibhav V Ekhar, Carlos M DeLeon-Rodriguez, Luis R Martinez
Methamphetamine (METH) is a powerful and highly addictive stimulant that affects the central nervous system of users in the United States and worldwide, and its consumption is associated to the acquisition of HIV and AIDS-related infections. METH enhances cryptococcosis in mice, an opportunistic infection caused by the encapsulated fungus Cryptococcus neoformans. Due to its ability to survive within macrophages, C. neoformans is an ideal model to study pathogen-macrophage interactions. METH abrogates normal macrophage function, which might contribute to the higher rate and more rapid progression of infections in drug abusers...
May 25, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28539999/assessment-of-executive-functions-in-methamphetamine-addicted-individuals-emphasis-on-duration-of-addiction-and-abstinence
#9
Majid Farhadian, Malahat Akbarfahimi, Peyman Hassani Abharian, Seyedeh Golaleh Hosseini, Susan Shokri
INTRODUCTION: Several studies have conducted on impairments of executive functions in individuals with methamphetamine addiction; however, only a few have investigated the relationship between executive functions and duration of addiction or abstinence. This study was designed to assess the executive functions in methamphetamine-addicted individuals in relation to the duration of addiction or abstinence. METHODS: A total of 161 subjects aged between 20 and 45 years were categorized into three subgroups: currently abusing (n=41), abstinent (n=60), and control healthy individuals (n=60)...
March 2017: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/28530453/two-case-studies-illustrating-a-shared-decision-making-approach-to-illicit-methamphetamine-use-and-breastfeeding
#10
Julie Blandthorn, Katie James, Ellen Bowman, Yvonne Bonomo, Lisa H Amir
Crystal methamphetamine (MA) is a potent psycho-stimulant that is increasingly used worldwide. It is highly addictive, is often made in clandestine laboratories, and can cause serious health issues in adults. Health professionals caring for women in the perinatal period must counsel women about the health risks to infants if they are exposed to MA in breast milk. Most guidelines recommend that women who have current or recent MA use do not breastfeed. This article explores approaches to breastfeeding advice in the context of MA use...
May 22, 2017: Breastfeeding Medicine: the Official Journal of the Academy of Breastfeeding Medicine
https://www.readbyqxmd.com/read/28493273/use-of-amphetamine-type-stimulants-in-the-islamic-republic-of-iran-2004-2015-a-review
#11
REVIEW
Behrang Shadloo, Masoumeh Amin-Esmaeili, Minoo Haft-Baradaran, Alireza Noroozi, Reza Ghorban-Jahromi, Afarin Rahimi-Movaghar
Amphetamine-type stimulants (ATS) are the second most commonly used illicit drugs in the world, after cannabis. The production of ATS has increased worldwide, including in the Middle East. This review aims to assess ATS use in the Islamic Republic of Iran. PubMed, Scientific Information Database (a national database) and Iranian Center for Addiction Studies were searched. The review included studies on the general population, university and high school students, other specific populations, and drug users. The result show that self-reported methamphetamine and ecstasy use in 2016 was < 1% in the general population and university and high-school students, but the prevalence was higher in certain groups...
May 1, 2017: Eastern Mediterranean Health Journal, la Revue de Santé de la Méditerranée Orientale
https://www.readbyqxmd.com/read/28476409/differential-behavioral-effects-of-nicotine-in-adult-male-and-female-rats-with-a-history-of-prenatal-methamphetamine-exposure
#12
Boyd Rorabaugh, Sarah Seeley, Mary Evans, Christina Marengo, Manoranjan D'Souza
The goal of the current study was to assess the effects of prenatal methamphetamine (MA)/saline exposure on nicotine-induced stimulant and aversive effects in both male and female adult rats. The aversive effects of nicotine were assessed using the nicotine-induced conditioned taste aversion model (0.4mg/kg, base), while the stimulant effects of nicotine were measured by assessing changes in spontaneous locomotor activity after subcutaneous administration of different doses of nicotine (0, 0.1 & 0.4mg/kg, base)...
May 2, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28476274/correlates-of-three-year-outpatient-medical-care-use-among-rural-stimulant-users
#13
Michael A Cucciare, Xiaotong Han, Christine Timko, Nickolas Zaller, Kristina M Kennedy, Brenda M Booth
Outpatient medical care (OMC) settings are a care context in which effective management of unhealthy substance use can occur. However, no studies have documented rates of OMC use and characteristics of OMC use among rural substance users. This study sought to examine the rates and frequency of OMC use in a sample of rural drug users over a three-year period. We also explored characteristics of participants associated with use of OMCs over time. Data were collected from June 2005 to September 2007 from a natural history study of 710 stimulant users living in rural communities...
June 2017: Journal of Substance Abuse Treatment
https://www.readbyqxmd.com/read/28455125/relapse-to-cocaine-seeking-in-an-invertebrate
#14
Akua O Amaning-Kwarteng, Aman Asif-Malik, Yue Pei, Juan J Canales
Addiction is characterised by cycles of compulsive drug taking, periods of abstinence and episodes of relapse. The extinction/reinstatement paradigm has been extensively used in rodents to model human relapse and explore underlying mechanisms and therapeutics. However, relapse to drug seeking behaviour has not been previously demonstrated in invertebrates. Here, we used a cocaine conditioned place preference (CPP) paradigm in the flatworm, planarian, followed by extinction and reinstatement of drug seeking...
April 25, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28448903/violence-trauma-and-living-with-hiv-longitudinal-predictors-of-initiating-crystal-methamphetamine-injection-among-sex-workers
#15
Elena Argento, Steffanie A Strathdee, Shira Goldenberg, Melissa Braschel, Julio Montaner, Kate Shannon
BACKGROUND: Despite rapid increases in crystal methamphetamine (CM) use worldwide and established gendered patterns of use, empirical research on CM injection initiation among sex workers is limited. Given the wide range of harms associated with CM, alongside stimulant effects including sexual dis-inhibition and prolonged awake-ness, this study aimed to longitudinally investigate socio-structural predictors of initiating CM injection among sex workers in Vancouver, Canada. METHODS: Data (2010-2014) were drawn from a community-based cohort of women sex workers: AESHA (An Evaluation of Sex Workers Health Access)...
April 19, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28444486/on-the-necessity-of-translational-cognitive-neurotoxicological-research-in-methamphetamine-abuse-and-addiction
#16
EDITORIAL
Ann-Kathrin Stock, Christian Beste
No abstract text is available yet for this article.
April 25, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28421529/suppression-of-methamphetamine-self-administration-by-ketamine-pre-treatment-is-absent-in-the-methylazoxymethanol-mam-rat-model-of-schizophrenia
#17
Jana Ruda-Kucerova, Zuzana Babinska, Tibor Stark, Vincenzo Micale
Ketamine may prove to be a potential candidate in treating the widespread drug addiction/substance abuse epidemic among patients with schizophrenia. Clinical studies have shown ketamine to reduce cocaine and heroin cravings. However, the use of ketamine remains controversial as it may exacerbate the symptoms of schizophrenia. Therefore, the aim of this study is to characterize the effects of ketamine on drug addiction in schizophrenia using the methylazoxymethanol (MAM) acetate rat model on operant IV methamphetamine (METH) self-administration...
April 18, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28410525/high-frequency-repetitive-transcranial-magnetic-stimulation-of-the-left-dorsolateral-prefrontal-cortex-for-methamphetamine-use-disorders-a-randomised-clinical-trial
#18
Hang Su, Na Zhong, Hong Gan, Jijun Wang, Hui Han, Tianzhen Chen, Xiaotong Li, Xiaolu Ruan, Youwei Zhu, Haifeng Jiang, Min Zhao
BACKGROUND: Repetitive transcranial magnetic stimulation (rTMS) is a brain stimulation and modulation electrophysiological technique, it can change cortical excitability of target brain region, modulate neuron plasticity and brain connections. Previous researches indicated that rTMS could reduce cue-induced craving in drug addiction. OBJECTIVE: In this study, we employed real and sham rTMS of the left dorsolateral prefrontal cortex (DLPFC) to test whether it could reduce cue-induced craving for methamphetamine (MA) and influence cognitive function in a randomised clinical trial...
March 29, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28400844/effects-of-electroacupuncture-on-methamphetamine-induced-behavioral-changes-in-mice
#19
Tsung-Jung Ho, Chiang-Wen Lee, Zi-Yun Lu, Hsien-Yuan Lane, Ming-Horng Tsai, Ing-Kang Ho, Chieh-Liang Huang, Yao-Chang Chiang
Methamphetamine (METH) is a major drug of abuse worldwide, and no efficient therapeutic strategies for treating METH addiction are currently available. Continuous METH use can cause behavioral upregulation or psychosis. The dopaminergic pathways, particularly the neural circuitry from the ventral tegmental area to the nucleus accumbens (NAc), have a critical role in this behavioral stage. Acupuncture has been used for treating diseases in China for more than 2000 years. According to a World Health Organization report, acupuncture can be used to treat several functional disorders, including substance abuse...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28387990/cdh13-and-adipoq-gene-knockout-alter-instrumental-and-pavlovian-drug-conditioning
#20
C P King, L Militello, A Hart, C L St Pierre, E Leung, C L Versaggi, N Roberson, J Catlin, A A Palmer, J B Richards, P J Meyer
Genome-wide association studies in humans have suggested that variants of the cadherin-13 (CDH13) gene are associated with substance use disorder, subjective response to amphetamine, and attention deficit hyperactivity disorder. To examine the role of the Cdh13 and its peptide ligand adiponectin (AdipoQ) in addiction-related behaviors, we assessed Cdh13 knockout (KO) rats and AdipoQ KO mice using intravenous cocaine self-administration and conditioned place preference (CPP) paradigms. During intravenous cocaine self-administration, male Cdh13 heterozygous (+/-) and KO (-/-) rats showed increased cue-induced reinstatement compared with wild-type (WT) rats when presented with a cocaine-paired stimulus, whereas female Cdh13 rats showed no differences across genotype...
April 7, 2017: Genes, Brain, and Behavior
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