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Behavioral addictions

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https://www.readbyqxmd.com/read/28339890/pennsylvania-state-core-competencies-for-education-on-opioids-and-addiction
#1
Michael A Ashburn, Rachel L Levine
Objective.:  The objective of this project was to develop core competencies for education on opioids and addiction to be used in all Pennsylvania medical schools. Methods.:  The Pennsylvania Physician General created a task force that was responsible for the creation of the core competencies. A literature review was completed, and a survey of graduating medical students was conducted. The task force then developed, reviewed, and approved the core competencies...
March 2, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28339662/hiv-1-proteins-influence-novelty-seeking-behavior-and-alter-region-specific-transcriptional-responses-to-chronic-nicotine-treatment-in-hiv-1tg-rats
#2
Zhongli Yang, Tanseli Nesil, Taylor Wingo, Sulie L Chang, Ming D Li
Introduction: Clinical studies suggest that HIV-1-infected patients are more likely to use or abuse addictive drugs than is the general population. We hypothesized that HIV-1 proteins impact novelty-seeking behavior and enhance the transcriptional response to nicotine in genes implicated in both novelty-seeking behavior and drug addiction. Methods: We assessed the effects of HIV-1 proteins on novelty-seeking behavior by comparing baseline activity differences of HIV-1Tg and F344 control rats in the open-field test...
February 17, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28339439/dezocine-antagonizes-morphine-analgesia-upon-simultaneous-administration-in-rodent-models-of-acute-nociception
#3
Na-Na Li, Ya-Qin Huang, Ling-Er Huang, Shao-Hui Guo, Maxwell R Shen, Chen-Ling Guo, Sheng-Mei Zhu, Yong-Xing Yao
BACKGROUND: Dezocine is a powerful analgesic that can be less addictive than morphine, yet how the two drugs interact in vivo is poorly understood. Here we administered dezocine alone or in combination with morphine to different acute nociception paradigms to explore the interactions of the 2 drugs upon co-administration. OBJECTIVE: To evaluate how dezocine interacts with morphine in different acute nociception paradigms. STUDY DESIGN: Laboratory animal study...
March 2017: Pain Physician
https://www.readbyqxmd.com/read/28332625/brain-anatomy-alterations-associated-with-social-networking-site-sns-addiction
#4
Qinghua He, Ofir Turel, Antoine Bechara
This study relies on knowledge regarding the neuroplasticity of dual-system components that govern addiction and excessive behavior and suggests that alterations in the grey matter volumes, i.e., brain morphology, of specific regions of interest are associated with technology-related addictions. Using voxel based morphometry (VBM) applied to structural Magnetic Resonance Imaging (MRI) scans of twenty social network site (SNS) users with varying degrees of SNS addiction, we show that SNS addiction is associated with a presumably more efficient impulsive brain system, manifested through reduced grey matter volumes in the amygdala bilaterally (but not with structural differences in the Nucleus Accumbens)...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28330787/acute-impact-of-caffeinated-alcoholic-beverages-on-cognition-a-systematic-review
#5
REVIEW
Laurence Lalanne, Pierre-Eric Lutz, François Paille
INTRODUCTION: Energy drinks are popular beverages that are supposed to counteract sleepiness, increase energy, maintain alertness and reduce symptoms of hangover. Cognitive enhancing seems to be related to many compounds such as caffeine, taurine and vitamins. Currently, users mostly combine psychostimulant effects of energy drinks to counteract sedative effects of alcohol. However, recent literature suggests that this combination conducts to feel less intoxicated but still impaired. The goal of the present article is to review cognitive impact and subjective awareness in case of caffeinated alcoholic beverage (CAB) intoxication...
March 19, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28328110/comorbidity-of-internet-gaming-disorder-and-alcohol-use-disorder-a-focus-on-clinical-characteristics-and-gaming-patterns
#6
Euihyeon Na, Hyeseon Lee, Inyoung Choi, Dai-Jin Kim
BACKGROUND AND OBJECTIVES: Although Internet gaming disorder (IGD), which has been considered as a behavioral addiction in DSM-5, shares core features with alcohol use disorder (AUD), there has been minimal research on the clinical implications of the comorbidity between IGD and AUD. The purpose of this study is to investigate clinical psychopathologies and Internet game usage patterns of IGD, AUD, and their comorbid status. METHODS: Participants (n = 1819) completed a cross-sectional web-based survey...
March 22, 2017: American Journal on Addictions
https://www.readbyqxmd.com/read/28326026/pre-clinical-studies-with-d-penicillamine-as-a-novel-pharmacological-strategy-to-treat-alcoholism-updated-evidences
#7
REVIEW
Alejandro Orrico, Lucía Martí-Prats, María J Cano-Cebrián, Luis Granero, Ana Polache, Teodoro Zornoza
Ethanol, as other drugs of abuse, is able to activate the ventral tegmental area dopamine (VTA-DA) neurons leading to positively motivational alcohol-seeking behavior and use, and, ultimately to ethanol addiction. In the last decades, the involvement of brain-derived acetaldehyde (ACD) in the ethanol actions in the mesolimbic pathway has been widely demonstrated. Consistent published results have provided a mechanistic support to the use of ACD inactivating agents to block the motivational and reinforcing properties of ethanol...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28325710/no-evidence-of-compensatory-drug-use-risk-behavior-among-heroin-users-after-receiving-take-home-naloxone
#8
Jermaine D Jones, Aimee Campbell, Verena E Metz, Sandra D Comer
INTRODUCTION: Some fear that distribution of naloxone to persons at risk of experiencing an opioid overdose may reduce the perceived negative consequences of drug use, leading to riskier patterns of use. This study assessed whether participation in naloxone/overdose training altered drug use frequency, quantity or severity among heroin users in and out of treatment. METHODS: Clinical interviews were performed assessing patterns of heroin and other drug use prior to, and at multiple timepoints after overdose education and naloxone training...
March 9, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28324454/reward-circuitry-in-addiction
#9
REVIEW
Sarah Cooper, A J Robison, Michelle S Mazei-Robison
Understanding the brain circuitry that underlies reward is critical to improve treatment for many common health issues, including obesity, depression, and addiction. Here we focus on insights into the organization and function of reward circuitry and its synaptic and structural adaptations in response to cocaine exposure. While the importance of certain circuits, such as the mesocorticolimbic dopamine pathway, are well established in drug reward, recent studies using genetics-based tools have revealed functional changes throughout the reward circuitry that contribute to different facets of addiction, such as relapse and craving...
March 21, 2017: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/28322980/role-of-perineuronal-nets-in-the-anterior-dorsal-lateral-hypothalamic-area-in-the-acquisition-of-cocaine-induced-conditioned-place-preference-and-self-administration
#10
Jordan M Blacktop, Ryan P Todd, Barbara A Sorg
Addiction involves drug-induced neuroplasticity in the circuitry of motivated behavior, which includes the medial forebrain bundle and the lateral hypothalamic area. Emerging at the forefront of neuroplasticity regulation are specialized extracellular matrix (ECM) structures that form perineuronal nets (PNNs) around certain neurons, mainly parvalbumin positive (PV(+)), fast-spiking interneurons (FSINs), making them a promising target for the regulation of drug-induced neuroplasticity. Despite the emerging significance of PNNs in drug-induced neuroplasticity and the well-established role of the lateral hypothalamic area (LHA) in reward, reinforcement, and motivation, very little is known about how PNN-expressing neurons control drug-seeking behavior...
March 17, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28322978/delta-opioid-receptor-antagonism-leads-to-excessive-ethanol-consumption-in-mice-with-enhanced-activity-of-the-endogenous-opioid-system
#11
Piotr Poznanski, Anna Lesniak, Michal Korostynski, Klaudia Szklarczyk, Marzena Lazarczyk, Piotr Religa, Magdalena Bujalska-Zadrozny, Bogdan Sadowski, Mariusz Sacharczuk
The opioid system modulates the central reinforcing effects of ethanol and participates in the etiology of addiction. However, the pharmacotherapy of ethanol dependence targeted on the opioid system is little effective and varies due to individual patients' sensitivity. In the present study, we used two mouse lines with high (HA) and low (LA) activity of the endogenous opioid system to analyze the effect of opioid receptor blockade on ethanol drinking behavior. We found that LA and HA lines characterized by divergent magnitudes of swim stress-induced analgesia also differ in ethanol intake and preference...
March 18, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28322866/decreased-anxiety-voluntary-ethanol-intake-and-ethanol-induced-cpp-acquisition-following-activation-of-the-metabotropic-glutamate-receptor-8-mglur8
#12
Amine Bahi
Metabotropic glutamate receptors (mGluRs) are important modulators of excitatory neurotransmission, and have been implicated in addiction to alcohol and anxiety-related behaviors. However, the behavioral consequence and contribution of individual subtypes are not known yet. This study determined the effects of mGluR8 activation on anxiety-like behavior, voluntary ethanol intake and ethanol-induced conditioned reward. To this aim, anxiety and spontaneous behavior were measured in C57BL/6J mice using the elevated plus maze (EPM), open field (OF) and light-dark box (LDB) tests after systemic injection of the selective mGluR8 agonist (S)-3,4-dicarboxyphenylglycine ((S)-3,4-DCPG)...
March 17, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28319850/methylation-of-hpa-axis-related-genes-in-men-with-hypersexual-disorder
#13
Jussi Jokinen, Adrian E Boström, Andreas Chatzittofis, Diana M Ciuculete, Katarina Görts Öberg, John N Flanagan, Stefan Arver, Helgi B Schiöth
Hypersexual Disorder (HD) defined as non-paraphilic sexual desire disorder with components of compulsivity, impulsivity and behavioral addiction, and proposed as a diagnosis in the DSM 5, shares some overlapping features with substance use disorder including common neurotransmitter systems and dysregulated hypothalamic-pituitary-adrenal (HPA) axis function. In this study, comprising 67 HD male patients and 39 male healthy volunteers, we aimed to identify HPA-axis coupled CpG-sites, in which modifications of the epigenetic profile are associated with hypersexuality...
March 10, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28315693/central-glp-1-receptor-activation-modulates-cocaine-evoked-phasic-dopamine-signaling-in-the-nucleus-accumbens-core
#14
Samantha M Fortin, Mitchell F Roitman
Drugs of abuse increase the frequency and magnitude of brief (1-3s), high concentration (phasic) dopamine release events in terminal regions. These are thought to be a critical part of drug reinforcement and ultimately the development of addiction. Recently, metabolic regulatory peptides, including the satiety signal glucagon-like peptide-1 (GLP-1), have been shown to modulate cocaine reward-driven behavior and sustained dopamine levels after cocaine administration. Here, we use fast-scan cyclic voltammetry (FSCV) to explore GLP-1 receptor (GLP-1R) modulation of dynamic dopamine release in the nucleus accumbens (NAc) during cocaine administration...
March 15, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28315265/sigma-1-receptor-and-ion-channel-dynamics-in-cancer
#15
Olivier Soriani, Raphaël Rapetti-Mauss
SigmaR1 is a multitasking chaperone protein which has mainly been studied in CNS physiological and pathophysiological processes such as pain, memory, neurodegenerative diseases (amyotrophic lateral sclerosis , Parkinson's and Alzheimer's diseases, retinal neurodegeneration ), stroke and addiction . Strikingly, G-protein and ion channels are the main client protein fami lies of this atypical chaperone and the recent advances that have been performed for the last 10 years demonstrate that SigmaR1 is principally activated following tissue injury and disease development to promote cell survival...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28314129/crack-cocaine-inhalation-induces-schizophrenia-like-symptoms-and-molecular-alterations-in-mice-prefrontal-cortex
#16
Lorena Bianchine Areal, Alice Laschuk Herlinger, Fabrício Souza Pelição, Cristina Martins-Silva, Rita Gomes Wanderley Pires
Crack cocaine (crack) addiction represents a major social and health burden, especially seeing as users are more prone to engage in criminal and violent acts. Crack users show a higher prevalence of psychiatric comorbidities - particularly antisocial personality disorders - when compared to powder cocaine users. They also develop cognitive deficits related mainly to executive functions, including working memory. It is noteworthy that stimulant drugs can induce psychotic states, which appear to mimic some symptoms of schizophrenia among users...
March 6, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28303373/viral-mediated-overexpression-of-the-myelin-transcription-factor-1-myt1-in-the-dentate-gyrus-attenuates-anxiety-and-ethanol-related-behaviors-in-rats
#17
Amine Bahi, Jean-Luc Dreyer
RATIONALE: Myelin Transcription Factor 1 (MyT1), a member of the Zinc Finger gene family, plays a fundamental role in the nervous system. Recent research has suggested that this transcription factor is associated with the pathophysiology of psychiatric disorders including addiction, schizophrenia, and depression. However, the role of MyT1 in anxiety- and ethanol-related behaviors is still unknown. OBJECTIVES: We evaluated the effects of lentiviral-mediated overexpression of MyT1 in the dentate gyrus (DG) on anxiety- and ethanol-related behaviors in rats...
March 16, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28302862/arresting-the-development-of-addiction-the-role-of-%C3%AE-arrestin2-in-drug-abuse
#18
Kirsten A Porter-Stransky, David Weinshenker
The protein β-arrestin2 (βarr2) directly interacts with receptors and signaling pathways that mediate the behavioral effects of drugs of abuse, making it a prime candidate for therapeutic interventions. βarr2 drives desensitization and internalization of G protein-coupled receptors, including dopamine, opioid, and cannabinoid receptors, and can also trigger G protein-independent intracellular signaling. βarr2 mediates several drug-induced behaviors, but the relationship is complex and dependent on the type of behavior (e...
March 16, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28302577/methamphetamine-effects-on-the-brain-gut-and-immune-system
#19
REVIEW
Monica D Prakash, Kathy Tangalakis, Juliana Antonipillai, Lily Stojanovska, Kulmira Nurgali, Vasso Apostolopoulos
Methamphetamine (METH) is a powerful central nervous system stimulant which elevates mood, alertness, energy levels and concentration in the short-term. However, chronic use and/or at higher doses METH use often results in psychosis, depression, delusions and violent behavior. METH was formerly used to treat conditions such as obesity and attention deficit hyperactivity disorder, but now is primarily used recreationally. Its addictive nature has led to METH abuse becoming a global problem. At a cellular level, METH exerts a myriad of effects on the central and peripheral nervous systems, immune system and the gastrointestinal system...
March 13, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28301969/the-internet-s-effect-on-personality-traits-an-important-casualty-of-the-internet-addiction-paradigm
#20
Elias Aboujaoude
Background and aims The "Internet addiction" paradigm has been criticized for several shortcomings, including inattention to specific online behaviors, not distinguishing the Internet from other media, insufficient focus on comorbidities, and definitions that do not take into account the constant access now possible. The paradigm's biggest casualty, however, may be that it has diverted attention away from subtle personality changes that seem to occur online, including in users who cannot be considered "addicted" under any definition...
March 17, 2017: Journal of Behavioral Addictions
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