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https://www.readbyqxmd.com/read/28822321/neurostimulation-techniques-in-the-treatment-of-cocaine-dependence-a-review-of-the-literature
#1
REVIEW
Fady Rachid
OBJECTIVE: Cocaine use disorder is a very common condition that represents a substantial public health problem, and no effective pharmacological or psychological therapies have been identified to date. Urgent therapeutic alternatives are therefore needed such as neurostimulation techniques. The purpose of this review is to describe and discuss studies that have evaluated the safety and efficacy of these techniques for the treatment of cocaine dependence. METHODS: The electronic literature on repetitive transcranial magnetic stimulation, theta-burst stimulation, deep transcranial magnetic stimulation, transcranial direct current stimulation, magnetic seizure therapy, electroconvulsive therapy, cranial electro-stimulation, and deep brain stimulation in the treatment of cocaine addiction were reviewed...
August 10, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28821652/calpain-grip-signaling-in-nucleus-accumbens-core-mediates-the-reconsolidation-of-drug-reward-memory
#2
Jie Liang, Jia-Li Li, Ying Han, Yi-Xiao Luo, Yan-Xue Xue, Yàn Zhang, Yán Zhang, Li-Bo Zhang, Man-Li Chen, Lin Lu, Jie Shi
Exposure to drug-paired cues causes drug memories to be in a destabilized state, and interfering with memory reconsolidation can inhibit relapse. Calpain, a calcium-dependent neutral cysteine protease, is involved in synaptic plasticity and the formation of long-term fear memory. However, the role of calpain in the reconsolidation of drug reward memory is still unknown. In the present study, using conditioned place preference (CPP) model, we found that exposure to drug-paired contextual stimuli induced the activation of calpain and decreased the expression of glutamate receptor interacting protein 1 (GRIP1) in the nucleus accumbens (NAc) core but not shell of male rats...
August 14, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28806585/relationship-between-craving-and-plasma-leptin-concentrations-in-patients-with-cocaine-addiction
#3
Giovanni Martinotti, Chiara Montemitro, Gaia Baroni, Sara Andreoli, Flaminia Alimonti, Marco Di Nicola, Federico Tonioni, Lorenzo Leggio, Massimo di Giannantonio, Luigi Janiri
BACKGROUND: There is robust evidence indicating an overlap between neurobiological circuitry and pathways that regulate addictions and those that regulate appetite and food intake. Rodent work suggests a role of the appetitive peptide leptin in cocaine-seeking behaviours. The goal of this study was to investigate the possible relationship between plasma leptin concentrations and cocaine craving and use in patients seeking treatment for cocaine dependence. METHODS: Patients (N=43) with a DSM-IV diagnosis of cocaine dependence were studied before starting detoxification (baseline; T0) and then again 14days after (T1; only those patients who abstained from cocaine during the study)...
August 5, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28803849/characteristics-of-ethanol-induced-behavioral-sensitization-in-rats-molecular-mediators-and-cross-sensitization-between-ethanol-and-cocaine
#4
Shijie Xu, Ung Gu Kang
Repeated exposure to drugs of abuse can induce a progressive increase in locomotor activity, known as behavioral sensitization. However, little is known about behavioral sensitization to ethanol. We examined whether ethanol could induce behavioral sensitization and investigated several molecular changes accompanying sensitization. We also assessed whether "cross-sensitization" occurred between ethanol and cocaine, another abused drug. Ethanol-induced sensitization was examined in rats after ethanol treatment (0...
August 10, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28799890/country-wide-distance-training-for-delivery-of-screening-and-brief-intervention-for-problematic-substance-use-a-pilot-evaluation-of-participant-experiences-and-patient-outcomes
#5
Ana Paula Leal Carneiro, Maria Lucia Oliveira Souza-Formigoni
BACKGROUND: In this study, we evaluated if the 120-hour distance-learning (DL) course SUPERA (an acronym in Portuguese meaning: System for detection of excessive use or dependence on psychoactive substances: brief Intervention, social reinsertion and follow-up) was an effective way to train health professionals and social workers to apply screening and brief intervention (SBI) for patients with substance use disorders. METHODS: In the first phase, 2,420 health professionals or social workers, who had completed the course, answered an online survey about their use of the SBI...
August 11, 2017: Substance Abuse
https://www.readbyqxmd.com/read/28792219/novel-diarylurea-based-allosteric-modulators-of-the-cannabinoid-cb1-receptor-evaluation-of-importance-of-6-pyrrolidinylpyridinyl-substitution
#6
Thuy Nguyen, Nadezhda German, Ann M Decker, Tiffany L Langston, Thomas F Gamage, Charlotte E Farquhar, Jun-Xu Li, Jenny L Wiley, Brian F Thomas, Yanan Zhang
Allosteric modulators of the cannabinoid CB1 receptor have recently been reported as an alternative approach to modulate the CB1 receptor for therapeutic benefits. In this study, we report the design and synthesis of a series of diarylureas derived from PSNCBAM-1 (2). Similar to 2, these diarylureas dose-dependently inhibited CP55,940-induced intracellular calcium mobilization and [(35)S]GTP-γ-S binding while enhancing [(3)H]CP55,940 binding to the CB1 receptor. Structure-activity relationship studies revealed that the pyridinyl ring of 2 could be replaced by other aromatic rings and the pyrrolidinyl ring is not required for CB1 allosteric modulation...
August 18, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28767015/dependency-traits-relationship-power-and-health-risks-in-women-receiving-sexually-transmitted-infection-clinic-services
#7
Eric G Benotsch, Ashlee N Sawyer, Aaron M Martin, Elizabeth S Allen, Christopher D Nettles, Doug Richardson, Cornelis A Rietmeijer
In prior research, having traits consistent with a personality disorder has been shown to be related to substance use and high-risk sexual activity; however, few studies have examined relationships between dependency traits and health-jeopardizing behaviors. Individuals with traits consistent with dependent personality disorder may be more likely to be in a primary relationship characterized by unhealthy conditions, including physical abuse from a partner, low assertiveness in sexual situations, and partner infidelity...
July 2017: Behavioral Medicine
https://www.readbyqxmd.com/read/28763779/prefrontal-glx-and-gaba-concentrations-and-impulsivity-in-cigarette-smokers-and-smoking-polysubstance-users
#8
Mieke H J Schulte, Anne Marije Kaag, Reinout W Wiers, Lianne Schmaal, Wim van den Brink, Liesbeth Reneman, Judith R Homberg, Guido A van Wingen, Anna E Goudriaan
Glutamate and GABA play an important role in substance dependence. However, it remains unclear whether this holds true for different substance use disorders and how this is related to risk-related traits such as impulsivity. We, therefore, compared Glx (as a proxy measure for glutamate) and GABA concentrations in the dorsal anterior cingulate cortex (dACC) of 48 male cigarette smokers, 61 male smoking polysubstance users, and 90 male healthy controls, and investigated the relationship with self-reported impulsivity and substance use...
July 25, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28762183/novel-nanoformulation-to-mitigate-co-effects-of-drugs-of-abuse-and-hiv-1-infection-towards-the-treatment-of-neuroaids
#9
Rahul Dev Jayant, Venkata S R Atluri, Sneham Tiwari, Sudheesh Pilakka-Kanthikeel, Ajeet Kaushik, Adriana Yndart, Madhavan Nair
Drug abuse (e.g., methamphetamine-Meth or cocaine-Coc) is one of the major risk factors for becoming infected with HIV-1, and studies show that in combination, drug abuse and HIV-1 lead to significantly greater damage to CNS. To overcome these issues, we have developed a novel nanoformulation (NF) for drug-abusing population infected with HIV-1. In this work, a novel approach was developed for the co-encapsulation of Nelfinavir (Nel) and Rimcazole (Rico) using layer-by-layer (LbL) assembled magnetic nanoformulation for the cure of neuroAIDS...
July 31, 2017: Journal of Neurovirology
https://www.readbyqxmd.com/read/28756181/effects-of-escitalopram-and-imipramine-on-cocaine-reward-and-drug-seeking-behaviors-in-a-rat-model-of-depression
#10
Joanna Jastrzębska, Małgorzata Frankowska, Agata Suder, Karolina Wydra, Ewa Nowak, Małgorzata Filip, Edmund Przegaliński
Depression and substance-abuse (e.g., use of cocaine) are disorders with a high frequency of comorbidity. In the present study, we combined bilateral olfactory bulbectomy (OBX), an animal model of depression, with intravenous cocaine self-administration and extinction/reinstatement in rats to investigate the effects of two antidepressant drugs, escitalopram (ESC) and imipramine (IMI), with the goal of determining whether these drugs altered cocaine-induced rewarding and seeking behaviors. Acutely administered ESC (2...
July 26, 2017: Brain Research
https://www.readbyqxmd.com/read/28749523/questionnaire-of-core-beliefs-related-to-drug-use-and-craving-for-assessment-of-relapse-risk
#11
José Miguel Martínez-González, Raquel Vilar López, Oscar Lozano-Rojas, Antonio Verdejo-García
This study was aimed at designing a questionnaire for the assessment of addiction-related core beliefs and craving. The sample comprised 215 patients (85.8% males and 14.2% females) in treatment for dependence to alcohol (40%), cocaine (36.3%) and cannabis (23.7%). Descriptive statistics were used to characterize the sample. Variance, regression and factorial analyses were conducted to study the questionnaire structure and its relation with variables such as abstinence and craving. Items about drug-related beliefs yielded a four-factor structure: what patient think that they could not do without drug use, lack of withdrawal, conditions required to use drugs again, and use of drugs as the only way to feel good...
July 12, 2017: Adicciones
https://www.readbyqxmd.com/read/28739213/association-between-substance-use-disorder-and-polygenic-liability-to-schizophrenia
#12
Sarah M Hartz, Amy C Horton, Mary Oehlert, Caitlin E Carey, Arpana Agrawal, Ryan Bogdan, Li-Shiun Chen, Dana B Hancock, Eric O Johnson, Carlos N Pato, Michele T Pato, John P Rice, Laura J Bierut
BACKGROUND: There are high levels of comorbidity between schizophrenia and substance use disorder, but little is known about the genetic etiology of this comorbidity. METHODS: We tested the hypothesis that shared genetic liability contributes to the high rates of comorbidity between schizophrenia and substance use disorder. To do this, polygenic risk scores for schizophrenia derived from a large meta-analysis by the Psychiatric Genomics Consortium were computed in three substance use disorder datasets: the Collaborative Genetic Study of Nicotine Dependence (ascertained for tobacco use disorder; n = 918 cases; 988 control subjects), the Collaborative Study on the Genetics of Alcoholism (ascertained for alcohol use disorder; n = 643 cases; 384 control subjects), and the Family Study of Cocaine Dependence (ascertained for cocaine use disorder; n = 210 cases; 317 control subjects)...
June 6, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/28730282/blockade-of-%C3%AE-2-adrenergic-receptors-in-prelimbic-cortex-impact-on-cocaine-self-administration-in-adult-spontaneously-hypertensive-rats-following-adolescent-atomoxetine-treatment
#13
Britahny M Baskin, Bríd Á Nic Dhonnchadha, Linda P Dwoskin, Kathleen M Kantak
RATIONALE: Research with the spontaneously hypertensive rat (SHR) model of attention deficit/hyperactivity disorder demonstrated that chronic methylphenidate treatment during adolescence increased cocaine self-administration established during adulthood under a progressive ratio (PR) schedule. Compared to vehicle, chronic atomoxetine treatment during adolescence failed to increase cocaine self-administration under a PR schedule in adult SHR. OBJECTIVES: We determined if enhanced noradrenergic transmission at α2-adrenergic receptors within prefrontal cortex contributes to this neutral effect of adolescent atomoxetine treatment in adult SHR...
July 20, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28729221/sensitivity-to-cocaine-in-adult-mice-is-due-to-interplay-between-genetic-makeup-early-environment-and-later-experience
#14
Matteo Di Segni, Diego Andolina, Alessandra Coassin, Alessandra Accoto, Alessandra Luchetti, Tiziana Pascucci, Carla Luzi, Anna Rita Lizzi, Francesca R D'Amato, Rossella Ventura
Although early aversive postnatal events are known to increase the risk to develop psychiatric disorders later in life, rarely they determine alone the nature and outcome of the psychopathology, indicating that interaction with genetic factors is crucial for expression of psychopathologies in adulthood. Moreover, it has been suggested that early life experiences could have negative consequences or confer adaptive value in different individuals. Here we suggest that resilience or vulnerability to adult cocaine sensitivity depends on a "triple interaction" between genetic makeup x early environment x later experience...
July 17, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28727662/paraphilic-thoughts-behaviors-and-sex-addiction-in-a-sample-of-persons-who-use-drugs-a-cross-sectional-study
#15
Jales Clemente, Sandra Cristina Pillon, Jair de Jesus Mari, Claudio Jeronimo da Silva, Paulo Roberto Henrique Santana, Alessandra Diehl
OBJECTIVE: The aim of this study was to evaluate the prevalence of paraphilic thoughts/behaviors (including paraphilic disorders) with and without sexual addiction and sexual-related conditions in a sample of substance disorder patients. METHODS: This was a cross-sectional study of substance-dependent individuals who sought outpatient treatment in São Paulo, Brazil. Data included sociodemographic information, drug of choice, responses to questions about sexual behavior, and to the following standardized questionnaires: (a) Sexual Addiction Screening Test, and (b) Childhood Trauma Questionnaire...
July 19, 2017: Journal of Addiction Medicine
https://www.readbyqxmd.com/read/28726801/accumbens-mechanisms-for-cued-sucrose-seeking
#16
Ana-Clara Bobadilla, Constanza Garcia-Keller, Jasper A Heinsbroek, Michael D Scofield, Victoria Chareunsouk, Cara Monforton, Peter W Kalivas
Many studies support a perspective that addictive drugs usurp brain circuits used by natural rewards, especially for the dopamine-dependent reinforcing qualities of both drugs and natural rewards. Reinstated drug seeking in animal models of relapse relies on glutamate spillover from cortical terminals synapsing in the nucleus accumbens core (NAcore) to stimulate metabotropic glutamate receptor5 (mGluR5) on neuronal nitric oxide synthase (nNOS) interneurons. Contrasting the release of dopamine that is shared by sucrose and drugs of abuse, reinstated sucrose seeking does not induce glutamate spillover...
July 20, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28726800/role-of-nicotinamide-n-methyltransferase-in-dorsal-striatum-in-cocaine-place-preference
#17
Li Luo, Fei-Fei Shang, Hailei Long, Linhong Jiang, Ruiming Zhu, Qian Zhao, Hui Gu, Jueying Kong, Wei Xu, Yinglan Zhao, Xiaobo Cen
Nicotinamide N-methyltransferase (NNMT) transfers the methyl from S-adenosyl-L-methionine (SAM) to nicotinamide (NA) to produce S-adenosyl-L-homocysteine (SAH) and 1-methylnicotinamide (MeN). NNMT has been implicated in a variety of diseases; however, the role of NNMT in drug addiction is largely unknown. Here, we found that the expression of Nnmt was significantly upregulated in the dorsal striatum (DS) of cocaine-conditioned mice. Cocaine significantly decreased SAM/SAH ratio levels in the DS, which was accompanied with the decreased activities of Rac1 and RhoA...
July 20, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28725939/escalated-cocaine-binges-in-rats-enduring-effects-of-social-defeat-stress-or-intra-vta-crf
#18
Michael Z Leonard, Joseph F DeBold, Klaus A Miczek
RATIONALE: Exposure to intermittent social defeat stress elicits corticotropin releasing factor (CRF) release into the VTA and induces long-term modulation of mesocorticolimbic dopamine activity in rats. These adaptations are associated with an intense cocaine-taking phenotype, which is prevented by CRF receptor antagonists. OBJECTIVE: The present studies examine whether infusion of CRF into the VTA is sufficient to escalate cocaine-taking behavior, in the absence of social defeat experience...
July 18, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28724038/sexual-addiction-in-drug-addicts-the-impact-of-drug-of-choice-and-poly-addiction
#19
Nelson Antonio, Alessandra Diehl, Marcelo Niel, Sandra Pillon, Lilian Ratto, Maria Carolina Pinheiro, Dartiu Silveira, Thais Zelia Otani, Victor Otani, Quirino Cordeiro, Ricardo Ushida
Objective: To compare the risk of comorbid sexual addiction in a sample of individuals with a diagnosis of substance dependence, stratifying the sample by drug of choice as well as by mono versus polysubstance addiction. Method: All data were collected at Santa Casa de São Paulo, Brazil. The study sample comprised all alcohol or drug dependents admitted to the Addiction Treatment Unit between November 2013 and August 2014. A generalized linear model with a binomial distribution was performed to compare the odds of having a Sexual Addiction Screening Test (SAST) score greater than 6 points in the subgroups analyzed...
May 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/28720520/neural-systems-mediating-the-inhibition-of-cocaine-seeking-behaviors
#20
REVIEW
Victória A Ewald, Ryan T LaLumiere
Over the past decades, research has targeted the neurobiology regulating cocaine-seeking behaviors, largely in the hopes of identifying potential targets for the treatment of cocaine addiction. Although much of this work has focused on those systems driving cocaine seeking, recently, studies examining the inhibition of cocaine-related behaviors have made significant progress in uncovering the neural systems that attenuate cocaine seeking. Such systems include the infralimbic cortex, nucleus accumbens shell, and hypothalamus...
July 15, 2017: Pharmacology, Biochemistry, and Behavior
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