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https://www.readbyqxmd.com/read/28730160/epigenetic-interactions-between-alcohol-and-cannabinergic-effects-focus-on-histone-modification-and-dna-methylation
#1
Tiyash Parira, Alejandra Laverde, Marisela Agudelo
Epigenetic studies have led to a more profound understanding of the mechanisms involved in chronic conditions. In the case of alcohol addiction, according to the National Institute on Alcohol Abuse and Alcoholism, 16 million adults suffer from Alcohol Use Disorders (AUDs). Even though therapeutic interventions like behavioral therapy and medications to prevent relapse are currently available, no robust cure exists, which stems from the lack of understanding the mechanisms of action of alcohol and the lack of development of precision medicine approaches to treat AUDs...
April 2017: Journal of Alcoholism and Drug Dependence
https://www.readbyqxmd.com/read/28727662/paraphilic-thoughts-behaviors-and-sex-addiction-in-a-sample-of-persons-who-use-drugs-a-cross-sectional-study
#2
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/28726525/working-memory-capacity-and-addiction-treatment-outcomes-in-adolescents
#3
Jon M Houck, Sarah W Feldstein Ewing
BACKGROUND: Brief addiction treatments including motivational interviewing (MI) have shown promise with adolescents, but the factors that influence treatment efficacy in this population remain unknown. One candidate is working memory, the ability to hold a fact or thought in mind. This is relevant, as in therapy, a client must maintain and manipulate ideas while working with a clinician. Working memory depends upon brain structures and functions that change markedly during neurodevelopment and that can be negatively impacted by substance use...
July 20, 2017: American Journal of Drug and Alcohol Abuse
https://www.readbyqxmd.com/read/28726252/central-amygdala-relaxin-3-rxfp3-signalling-modulates-alcohol-seeking-in-rats
#4
Leigh C Walker, Hanna E Kastman, Elena Krstew, Andrew L Gundlach, Andrew J Lawrence
BACKGROUND AND PURPOSE: Alcohol use disorders are a leading cause of preventable deaths worldwide and stress is a major trigger of relapse. The neuropeptide relaxin-3 and its cognate receptor, relaxin family peptide receptor 3 (RXFP3), modulate stress-induced relapse to alcohol seeking in rats and while the bed nucleus of the stria terminalis has been implicated in this regard, the central nucleus of the amygdala (CeA) also receives a relaxin-3 innervation and CeA neurons densely express RXFP3 mRNA...
July 20, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28725285/free-will-black-swans-and-addiction
#5
Ted Fenton, Reinout W Wiers
The current dominant perspective on addiction as a brain disease has been challenged recently by Marc Lewis, who argued that the brain-changes related to addiction are similar to everyday changes of the brain. From this alternative perspective, addictions are bad habits that can be broken, provided that people are motivated to change. In that case, autonomous choice or "free will" can overcome bad influences from genes and or environments and brain-changes related to addiction. Even though we concur with Lewis that there are issues with the brain disease perspective, we also argue that pointing to black swans can be important, that is: there can be severe cases where addiction indeed tips over into the category of brain disease, but obviously that does not prove that every case of addiction falls into the disease category, that all swans are black...
2017: Neuroethics
https://www.readbyqxmd.com/read/28724038/sexual-addiction-in-drug-addicts-the-impact-of-drug-of-choice-and-poly-addiction
#6
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/28721822/opioid-antagonists-for-pharmacological-treatment-of-gambling-disorder-are-they-relevant
#7
Caroline Victorri-Vigneau, Andrew Spiers, Pascal Caillet, Mélanie Bruneau, Gaëlle Challet-Bouju, Marie Grall-Bronnec
Background To date, no drugs have been approved for gambling disorder. Numerous publications have described the value of opioid antagonists. Indeed, the mesocorticolimbic dopaminergic pathway has been suggested as the underlying cause of reward-seeking behaviour, and it is modulated by the opioid system. Objective This study aims to evaluate the relevance of opioid antagonists for treating GD. Method A systematic literature review was conducted. A search of the PubMed electronic database, PsycINFO and the Cochrane Systematic Review Database without any limits was performed...
July 18, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28720860/altered-hippocampal-volume-and-functional-connectivity-in-males-with-internet-gaming-disorder-comparing-to-those-with-alcohol-use-disorder
#8
Eun Jin Yoon, Jung-Seok Choi, Heejung Kim, Bo Kyung Sohn, Hee Yeon Jung, Jun-Young Lee, Dai-Jin Kim, Sun-Won Park, Yu Kyeong Kim
Internet gaming disorder (IGD) has been conceptualized as a behavioral addiction and shares clinical, neuropsychological, and personality characteristics with alcohol use disorder (AUD), but IGD dose not entail brain exposure to toxic agents, which renders it different from AUD. To achieve a clear understanding of the neurobiological features of IGD, we aimed to identify morphological and functional changes in IGD and compare them with those in AUD. Individuals with IGD showed larger volume in the hippocampus/amygdala and precuneus than healthy controls (HCs)...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28715440/transcriptional-profiling-of-the-rat-nucleus-accumbens-after-modest-or-high-alcohol-exposure
#9
Julia Morud, Arghavan Ashouri, Erik Larsson, Mia Ericson, Bo Söderpalm
Alcohol use disorder is a chronic relapsing brain disorder and a global health issue. Prolonged high alcohol consumption increases the risk for dependence development, a complex state that includes progressive alterations in brain function. The molecular mechanisms behind these changes remain to be fully disclosed, but several genes show altered expression in various regions of the rat brain even after modest alcohol exposure. The present study utilizes whole-transcriptome sequencing (RNA-seq) to investigate expression changes in the brain nucleus accumbens (NAc), an area of particular interest in addictive disorders, of alcohol consuming rats...
2017: PloS One
https://www.readbyqxmd.com/read/28714806/loss-of-control-over-the-ethanol-consumption-differential-transcriptional-regulation-in-prefrontal-cortex
#10
Carolina de Paiva Lima, Daniel Almeida da Silva E Silva, Samara Damasceno, Andrea Frozino Ribeiro, Cristiane S Rocha, Alexandre H Berenguer de Matos, Diego Correia, Roseli Boerngen-Lacerda, Ana Lúcia Brunialti Godard
Alcohol use disorder (AUD) is a complex multifactorial disease with heritability of ∼50% and corresponds to the state in which the body triggers a reinforcement or reward compulsive behavior due to ethanol consumption, even when faced with negative consequences. Although several studies have shown the impact of high ethanol intake on the prefrontal cortex (PFC) gene expression, few have addressed the relationship between the patterns of gene expression underlying the compulsive behaviour associated with relapsing...
July 17, 2017: Journal of Neurogenetics
https://www.readbyqxmd.com/read/28713877/the-impact-of-limited-housing-opportunities-on-formerly-incarcerated-people-in-the-context-of-addiction-recovery
#11
Dina Chavira, Leonard Jason
BACKGROUND: Formerly incarcerated individuals with substance use disorders encounter numerous obstacles following incarceration that threaten their sobriety. Obtaining safe and stable housing is a notoriously difficult task resulting in precarious housing that can increase the likelihood of relapse. The current study examined the relationship between substance use and 11 housing settings in a sample of 211 formerly incarcerated individuals with a history of substance abuse to identify the housing characteristics with the highest risk of use...
2017: J Addict Behav Ther
https://www.readbyqxmd.com/read/28708935/testing-the-nicotine-dependence-measure-mftq-for-adolescent-smokers-a-multinational-investigation
#12
Alexander V Prokhorov, Georges E Khalil, Dawn W Foster, Salma K Marani, Michele Guindani, Jose P Espada, Maria T Gonzálvez, Bulat Idrisov, Artur Galimov, Monika Arora, Abha Tewari, Richard Isralowitz, Punyarat Lapvongwatana, Natkamol Chansatitporn, Xinguang Chen, Hong Zheng, Steve Sussman
BACKGROUND AND OBJECTIVES: As a measure of nicotine dependence among adolescent smokers, the modified Fagerström Tolerance Questionnaire (mFTQ; seven items), has been successfully used in the United States (USA). Nonetheless, the validity and reliability of mFTQ at the international level is still needed. The current study is the first to test the validity and reliability of mFTQ in four countries: Thailand, Spain, the USA, and Russia. METHODS: In a cross-sectional survey, mFTQ, risk factors of nicotine dependence, and sociodemographic characteristics were assessed...
July 14, 2017: American Journal on Addictions
https://www.readbyqxmd.com/read/28702262/hemispheric-asymmetry-of-development-due-to-drug-exposure
#13
Harold W Gordon
BACKGROUND: A previous survey of the literature of fMRI brain activation for two risk factors, impulsivity and craving, for addiction were lateralized to the right and left hemispheres respectively. Most articles reported these findings without consideration of how lateral asymmetries might be relevant to understanding the underlying factors leading to addiction. OBJECTIVE: The current survey is intended to extend these observations by demonstrating hemispheric asymmetry of development due to pre-natal or adolescent/adult exposure to drugs of abuse...
2017: Journal of Systems and Integrative Neuroscience
https://www.readbyqxmd.com/read/28696413/genome-wide-meta-analysis-of-copy-number-variations-with-alcohol-dependence
#14
A Sulovari, Z Liu, Z Zhu, D Li
Genetic association studies and meta-analyses of alcohol dependence (AD) have reported AD-associated single nucleotide polymorphisms (SNPs). These SNPs collectively account for a small portion of estimated heritability in AD. Recent genome-wide copy number variation (CNV) studies have identified CNVs associated with AD and substance dependence, suggesting that a portion of the missing heritability is explained by CNV. We applied PennCNV and QuantiSNP CNV calling algorithms to identify consensus CNVs in five AD cohorts of European and African origins...
July 11, 2017: Pharmacogenomics Journal
https://www.readbyqxmd.com/read/28693881/outcome-evaluation-of-an-integrated-treatment-for-comorbid-alcohol-and-nicotine-addiction-an-exploratory-study
#15
Ines Giorgi, Elena Fiabane, Giovanni Vittadini, Stefania Anastasi, Antonella Benvenuto, Alberto Malovini, Antonella Balestrino, Piero Ceriana
No abstract text is available yet for this article.
August 2017: Archives of Psychiatric Nursing
https://www.readbyqxmd.com/read/28692954/process-variables-predicting-changes-in-adolescent-alcohol-consumption-and-mental-health-symptoms-following-personality-targeted-interventions
#16
Maeve O'Leary-Barrett, Robert O Pihl, Patricia J Conrod
OBJECTIVE: This study aims to identify key process variables that are associated with changes in alcohol consumption and mental health symptoms over 12months following personality-targeted interventions in youth. METHOD: 154 high-risk youth (aged 12-13years) in 7 Montreal high schools were identified using the Substance Use Risk Profile Scale and participated in personality-matched interventions. Preliminary process variables were identified using a combination of psychotherapy process variables and youth-generated (qualitative) feedback immediately post-intervention...
July 4, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28692420/use-of-a-smartphone-recovery-tool-for-latinos-with-co-occurring-alcohol-and-other-drug-disorders-and-mental-disorders
#17
Jordana Muroff, Winslow Robinson, Deborah Chassler, Luz M López, Erika Gaitan, Lena Lundgren, Claudia Guauque, Susan Dargon-Hart, Emily Stewart, Diliana Dejesus, Kimberly Johnson, Klaren Pe-Romashko, David H Gustafson
OBJECTIVE: Addressing alcohol and other drug disorders (AOD) and other mental disorders (MD) among adult Hispanics/Latinos is of critical concern being one of the fastest growing ethnic groups with a disproportionate rate of disease, mental disorders, and poverty. Although improvement in outcomes is associated with sustained participation in ongoing treatment for co-occurring AOD/MD, continuing care is rare for these chronic conditions, especially for Latinos with more limited access to culturally and linguistically competent services...
July 10, 2017: Journal of Dual Diagnosis
https://www.readbyqxmd.com/read/28687200/ceftriaxone-reduces-alcohol-intake-in-outbred-rats-while-upregulating-xct-in-the-nucleus-accumbens-core
#18
Bethany A Stennett, Jan C Frankowski, Joanna Peris, Lori A Knackstedt
Alcohol addiction is a chronic disease characterized by an inability to regulate drinking. A critical brain region involved in alcohol consumption is the nucleus accumbens (NA). Glutamate transmission in this region regulates alcohol consumption and relapse to alcohol-seeking. Across multiple alcohol-administration rodent models, basal extracellular glutamate levels are increased in the NA during early withdrawal. Glutamate transporter 1 (GLT-1) and system xC-, containing the subunit xCT, regulate NA glutamate levels...
July 4, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28686988/prevalence-correlates-comorbidity-and-treatment-of-electronic-nicotine-delivery-system-use-in-the-united-states
#19
S Patricia Chou, Tulshi D Saha, Haitao Zhang, W June Ruan, Boji Huang, Bridget F Grant, Carlos Blanco, Wilson Compton
INTRODUCTION: This study presents nationally representative data on the prevalence, correlates, psychiatric comorbidity and treatment (including pharmacological and nonpharmacological) among electronic nicotine delivery system (ENDS) users. METHODS: Face-to-face interviews in the National Epidemiologic Survey on Alcohol and Related Conditions-III. RESULTS: Prevalences of 12-month and lifetime ENDS use were 3.8% (SE=0.14) and 5.4% (SE=0.17)...
June 24, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28683884/-the-group-connected-bike-to-help-fight-addiction
#20
Amandine Petit, Vanessa Risler
As part of the individualised management of patients with an addiction, a relapse prevention strategy for people dependent on alcohol or with bulimia has been developed by Sainte-Anne general hospital. Nursing support based on the use of a connected bike with virtual riding software recreates an environment which is considerably enriched on a social, motor and cognitive level.
July 2017: Soins. Psychiatrie
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