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https://www.readbyqxmd.com/read/27911749/casting-a-wide-net-role-of-perineuronal-nets-in-neural-plasticity
#1
Barbara A Sorg, Sabina Berretta, Jordan M Blacktop, James W Fawcett, Hiroshi Kitagawa, Jessica C F Kwok, Marta Miquel
Perineuronal nets (PNNs) are unique extracellular matrix structures that wrap around certain neurons in the CNS during development and control plasticity in the adult CNS. They appear to contribute to a wide range of diseases/disorders of the brain, are involved in recovery from spinal cord injury, and are altered during aging, learning and memory, and after exposure to drugs of abuse. Here the focus is on how a major component of PNNs, chondroitin sulfate proteoglycans, control plasticity, and on the role of PNNs in memory in normal aging, in a tauopathy model of Alzheimer's disease, and in drug addiction...
November 9, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27909991/the-role-of-orexins-hypocretins-in-alcohol-use-and-abuse
#2
Leigh C Walker, Andrew J Lawrence
Addiction is a chronic relapsing disorder characterized by compulsive drug seeking and drug taking despite negative consequences. Alcohol abuse and addiction have major social and economic consequences and cause significant morbidity and mortality worldwide. Currently available therapeutics are inadequate, outlining the need for alternative treatments. Detailed knowledge of the neurocircuitry and brain chemistry responsible for aberrant behavior patterns should enable the development of novel pharmacotherapies to treat addiction...
December 2, 2016: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/27907848/fatal-and-non-fatal-overdose-after-narcology-hospital-discharge-among-russians-living-with-hiv-aids-who-inject-drugs
#3
Alexander Y Walley, Debbie M Cheng, Emily K Quinn, Elena Blokhina, Natalia Gnatienko, Christine E Chaisson, Evgeny Krupitsky, Philip O Coffin, Jeffrey H Samet
OBJECTIVES: Among Russians living with HIV/AIDS who inject drugs, we examined the incidence of fatal and non-fatal overdoses following discharge from a narcology hospital and the associations with more advanced HIV infection. DESIGN: Prospective cohort study of data collected at baseline, 3 and 6 months from HIV-infected patients with a history of injection drug use who were not treated with anti-retroviral therapy. Participants were recruited between 2012-2014 from a narcology (addiction) hospital in St...
November 28, 2016: International Journal on Drug Policy
https://www.readbyqxmd.com/read/27903793/the-serotonin-5-ht2c-receptor-and-the-non-addictive-nature-of-classic-hallucinogens
#4
REVIEW
Clinton E Canal, Kevin S Murnane
Classic hallucinogens share pharmacology as serotonin 5-HT2A, 5-HT2B, and 5-HT2C receptor agonists. Unique among most other Schedule 1 drugs, they are generally non-addictive and can be effective tools in the treatment of addiction. Mechanisms underlying these attributes are largely unknown. However, many preclinical studies show that 5-HT2C agonists counteract the addictive effects of drugs from several classes, suggesting this pharmacological property of classic hallucinogens may be significant. Drawing from a comprehensive analysis of preclinical behavior, neuroanatomy, and neurochemistry studies, this review builds rationale for this hypothesis, and also proposes a testable, neurobiological framework...
November 15, 2016: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/27902847/food-deprivation-facilitates-reinstatement-of-morphine-induced-conditioned-place-preference-role-of-intra-accumbal-dopamine-d2-like-receptors-in-associating-reinstatement-of-morphine-cpp-with-stress
#5
Fatemeh Sadeghzadeh, Vahab Babapour, Abbas Haghparast
The high rate of relapse to drug use is one of the main problems in the treatment of addiction. Stress plays the essential role in drug abuse and relapse; nevertheless, little is known about the mechanisms underlying stress and relapse. Accordingly, the effects of intra-accumbal administration of Sulpiride, as a dopamine D2-like receptor antagonist, on an ineffective morphine dose+food deprivation(FD)- and morphine priming-induced reinstatement of conditioned place preference (CPP). 104 adult male albino Wistar rats weighing 200-280g were bilaterally implanted by cannula into the nucleus accumbens (NAc)...
November 30, 2016: Synapse
https://www.readbyqxmd.com/read/27899120/violence-narratives-of-mexican-women-treated-in-mutual-aid-residential-centers-for-addiction-treatment
#6
Ignacio Lozano-Verduzco, Martha Romero-Mendoza, Rodrigo Marín-Navarrete
BACKGROUND: Violence against women is a social and public health issue in Mexico. The aim of this article is to explore violence among an understudied group of women, who attended Mutual-Aid Residential Centers for Addiction Treatment and experienced stigma both as women and addicts. These centers are particular kind of addiction treatment services that stem from 12-step philosophy, but that have been found to manipulate said philosophy and exercise extreme forms of psychological and physical violence...
November 30, 2016: Substance Abuse Treatment, Prevention, and Policy
https://www.readbyqxmd.com/read/27898683/mortality-in-hiv-infected-alcohol-and-drug-users-in-st-petersburg-russia
#7
Nadia S Fairbairn, Alexander Y Walley, Debbie M Cheng, Emily Quinn, Carly Bridden, Christine Chaisson, Elena Blokhina, Dmitry Lioznov, Evgeny Krupitsky, Anita Raj, Jeffrey H Samet
In Russia, up to half of premature deaths are attributed to hazardous drinking. The respective roles of alcohol and drug use in premature death among people with HIV in Russia have not been described. Criminalization and stigmatization of substance use in Russia may also contribute to mortality. We explored whether alcohol, drug use and risk environment factors are associated with short-term mortality in HIV-infected Russians who use substances. Secondary analyses were conducted using prospective data collected at baseline, 6 and 12-months from HIV-infected people who use substances recruited between 2007-2010 from addiction and HIV care settings in a single urban setting of St...
2016: PloS One
https://www.readbyqxmd.com/read/27898134/quality-pain-care-for-older-adults-in-an-era-of-suspicion-and-scrutiny
#8
Barbara St Marie, Paul Arnstein
In two decades, the pendulum has swung from focusing on the undertreatment of pain by prescribers who fail to use medically necessary opioid agents to an intense focus on overprescribing opioid medications and the harms they cause. Within these two extremes rests the older adult with pain and in need of safe and effective care. Today, health care providers are practicing in an era of scrutiny, with new guidelines and regulations superseding their compassion and clinical judgment about the best treatment options when older adults have pain across the care continuum...
December 1, 2016: Journal of Gerontological Nursing
https://www.readbyqxmd.com/read/27898133/opioid-misuse-abuse-and-quality-persistent-pain-management-in-older-adults
#9
Yu-Ping Chang, Peggy Compton
The United States is amid an epidemic of prescription opioid drug abuse, bringing with it not only high rates of overdose, but growing rates of heroin abuse and addiction. Liberal opioid drug prescribing on the part of well-meaning clinicians has in part fueled this epidemic, being correlated to opioid death and addiction treatment admission rates. Misuse and abuse of prescription opioid drugs is greatest among young adults (ages 18 to 25); however, the fastest growing age group for opioid drug misuse/abuse is older (ages 50 to 64)...
December 1, 2016: Journal of Gerontological Nursing
https://www.readbyqxmd.com/read/27895520/effectiveness-of-social-work-intervention-with-a-systematic-approach-to-improve-general-health-in-opioid-addicts-in-addiction-treatment-centers
#10
Ghoncheh Raheb, Esmat Khaleghi, Amir Moghanibashi-Mansourieh, Ali Farhoudian, Robab Teymouri
PURPOSE: This study takes a systematic approach to investigate the effect of social work intervention aimed at increasing general health among opioid addicts in addiction treatment centers. PATIENTS AND METHODS: This is an experimental plan (pretest to posttest with a control group); the study sample included 60 patients with drug dependencies undergoing treatment in addiction treatment centers. These patients were randomly assigned as case (30) and control (30) groups...
2016: Psychology Research and Behavior Management
https://www.readbyqxmd.com/read/27894158/craving-behavioral-intervention-for-internet-gaming-disorder-remediation-of-functional-connectivity-of-the-ventral-striatum
#11
Jin-Tao Zhang, Shan-Shan Ma, Chiang-Shan R Li, Lu Liu, Cui-Cui Xia, Jing Lan, Ling-Jiao Wang, Ben Liu, Yuan-Wei Yao, Xiao-Yi Fang
Psychobehavioral intervention is an effective treatment of Internet addiction, including Internet gaming disorder (IGD). However, the neural mechanisms underlying its efficacy remain unclear. Cortical-ventral striatum (VS) circuitry is a common target of psychobehavioral interventions in drug addiction, and cortical-VS dysfunction has been reported in IGD; hence, the primary aim of the study was to investigate how the VS circuitry responds to psychobehavioral interventions in IGD. In a cross-sectional study, we examined resting-state functional connectivity of the VS in 74 IGD subjects (IGDs) and 41 healthy controls (HCs)...
November 28, 2016: Addiction Biology
https://www.readbyqxmd.com/read/27889489/the-drug-candidate-adx71441-is-a-novel-potent-and-selective-positive-allosteric-modulator-of-the-gabab-receptor-with-a-potential-for-treatment-of-anxiety-pain-and-spasticity
#12
Mikhail Kalinichev, Françoise Girard, Hasnaà Haddouk, Mélanie Rouillier, Eric Riguet, Isabelle Royer-Urios, Vincent Mutel, Robert Lütjens, Sonia Poli
Positive allosteric modulation of the GABAB receptor is a promising alternative to direct activation of the receptor as a therapeutic approach for treatment of addiction, chronic pain, anxiety, epilepsy, autism, Fragile X syndrome, and psychosis. Here we describe in vitro and in vivo characterization of a novel, potent and selective GABAB positive allosteric modulator (PAM) N-(5-(4-(4-chloro-3-fluorobenzyl)-6-methoxy-3,5-dioxo-4,5-dihydro-1,2,4-triazin-2(3H)-yl)-2-fluorophenyl)acetamide (ADX71441). In vitro, Schild plot and reversibility tests at the target confirmed PAM properties of the compound...
November 23, 2016: Neuropharmacology
https://www.readbyqxmd.com/read/27888525/breaking-sad-unleashing-the-breakthrough-potential-of-ketamine-s-rapid-antidepressant-effects
#13
David Feifel
Preclinical Research The surprising results of a small clinical trial on the effects of low dose ketamine, a 65-year old anesthetic drug that is also used off-label for chronic pain and recreationally as a club drug, in eight depressed subjects unleashed the most significant advance in antidepressant drug development in decades. That study and subsequent ones have demonstrated that low dose, infused ketamine is able to induce a remission of depression in patients who have failed conventional medications, within 24 h...
November 26, 2016: Drug Development Research
https://www.readbyqxmd.com/read/27886657/receipt-of-addiction-treatment-as-a-consequence-of-a-brief-intervention-for-drug-use-in-primary-care-a-randomized-trial
#14
Theresa W Kim, Judith Bernstein, Debbie M Cheng, Christine Lloyd-Travaglini, Jeffrey H Samet, Tibor P Palfai, Richard Saitz
BACKGROUND AND AIMS: Screening, brief intervention and 'referral to treatment' programs have been widely promoted as US federal policy. Little is known about the efficacy of the RT component (referral to treatment) of brief intervention for motivating patients with unhealthy drug use identified by screening to use addiction treatment. This study aimed to compare receipt of addiction treatment following two types of brief intervention for drug use vs a no-intervention control group among primary care patients screening positive for drug use...
November 25, 2016: Addiction
https://www.readbyqxmd.com/read/27884551/resting-state-abnormalities-in-heroin-dependent-individuals
#15
REVIEW
Niki Pandria, Leda Kovatsi, Ana B Vivas, Panagiotis D Bamidis
Drug addiction is a major health problem worldwide. Recent neuroimaging studies have shed light into the underlying mechanisms of drug addiction as well as its consequences to the human brain. The most vulnerable, to heroin addiction, brain regions have been reported to be specific prefrontal, parietal, occipital, and temporal regions, as well as, some subcortical regions. The brain regions involved are usually linked with reward, motivation/drive, memory/learning, inhibition as well as emotional control and seem to form circuits that interact with each other...
November 21, 2016: Neuroscience
https://www.readbyqxmd.com/read/27882998/dopamine-and-opioid-neurotransmission-in-behavioral-addictions-a-comparative-pet-study-in-pathological-gambling-and-binge-eating
#16
Joonas Majuri, Juho Joutsa, Jarkko Johansson, Valerie Voon, Kati Alakurtti, Riitta Parkkola, Tuuli Lahti, Hannu Alho, Jussi Hirvonen, Eveliina Arponen, Sarita Forsback, Valtteri Kaasinen
Although behavioral addictions share many clinical features with drug addictions, they show strikingly large variation in their behavioral phenotypes (such as in uncontrollable gambling or eating). Neurotransmitter function in behavioral addictions is poorly understood but has important implications in understanding its relationship with substance use disorders and underlying mechanisms of therapeutic efficacy. Here, we compare opioid and dopamine function between two behavioral addiction phenotypes: pathological gambling (PG) and binge eating disorder (BED)...
November 24, 2016: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27882203/effectiveness-of-emotion-regulation-training-on-the-reduction-of-craving-in-drug-abusers
#17
Hamed Choopan, Seyed Mohammad Kalantarkousheh, Yousef Aazami, Younes Doostian, Ali Farhoudian, Omid Massah
BACKGROUND: Emotion regulation appears to provide individuals with a doubled ability to avoid drug relapse and assists with the control of temptation to reuse, which is a type of tendency-avoidance conflict. The present study aims to investigate the effect of Gross model-based emotion regulation training on the reduction of craving beliefs in drug-addicted people. METHODS: The present study was a quasi-experimental design. This was a pre- and post-test design that consisted of control and experimental groups...
April 2016: Addiction & Health
https://www.readbyqxmd.com/read/27882069/hepatitis-c-and-g-virus-infection-prevalence-among-hemodialysis-patients-and-associated-risk-factors-in-the-hormozgan-province-of-southern-iran
#18
Ali Kargar Kheirabad, Fahime Bahri, Mohammad Kargar, Iman Ghasemzadeh
BACKGROUND: Infection with blood-borne viruses including hepatitis C (HCV) and hepatitis G (HGV) viruses is a substantial health problem. Varying prevalences of these infections in different studies reflect the role of predisposing risk factors in different countries or even different regions of a country. OBJECTIVES: The objective of the present survey was to assess the prevalences of HCV and HGV virus infections among hemodialysis (HD) patients in Bandar Abbas, Hormozgan, Iran, 2015...
October 2016: Hepatitis Monthly
https://www.readbyqxmd.com/read/27878808/interventions-for-tobacco-use-cessation-in-people-in-treatment-for-or-recovery-from-substance-use-disorders
#19
REVIEW
Dorie Apollonio, Rose Philipps, Lisa Bero
BACKGROUND: Smoking rates in people with alcohol and other drug dependencies are two to four times those of the general population. Concurrent treatment of tobacco dependence has been limited due to concern that these interventions are not successful in this population or that recovery from other addictions could be compromised if tobacco cessation was combined with other drug dependency treatment. OBJECTIVES: To evaluate whether interventions for tobacco cessation are associated with tobacco abstinence for people in concurrent treatment for or in recovery from alcohol and other drug dependence...
November 23, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27876048/an-integrated-approach-to-care-attracts-people-living-with-hiv-who-use-illicit-drugs-in-an-urban-centre-with-a-concentrated-hiv-epidemic
#20
S Fernando, R McNeil, K Closson, H Samji, S Kirkland, C Strike, R Baltzer Turje, W Zhang, R S Hogg, S Parashar
BACKGROUND: People living with HIV (PLHIV) who are also marginalized by social and structural inequities often face barriers to accessing and adhering to HIV treatment and care. The Dr. Peter Centre (DPC) is a non-profit integrated care facility with a supervised injection room that serves PLHIV experiencing multiple barriers to social and health services in Vancouver, Canada. This study examines whether the DPC is successful in drawing in PLHIV with complex health issues, including addiction...
November 22, 2016: Harm Reduction Journal
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