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https://www.readbyqxmd.com/read/29143193/cigarette-demand-among-smokers-with-elevated-depressive-symptoms-an-experimental-comparison-with-low-depressive-symptoms
#1
Roberto Secades-Villa, Sara Weidberg, Alba González-Roz, Derek D Reed, José R Fernández-Hermida
RATIONALE: Individuals with depression smoke more than smokers without depression. Research has shown that cigarette demand is a useful tool for quantifying tobacco reinforcement and supposes a clinical predictor of treatment outcomes. Despite previous studies examining the relative reinforcing efficacy of nicotine among different populations of smokers, to date, no study has assessed cigarette demand among individuals with elevated depressive symptoms. OBJECTIVE: The aim of this study was to compare cigarette demand among samples of smokers with low and elevated depressive symptoms...
November 15, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/29139190/a-man-before-his-time-russell-s-insights-into-nicotine-smoking-treatment-and-curbing-the-smoking-problem
#2
Ann McNeill, Debbie Robson
BACKGROUND AND AIMS: This narrative review aimed to provide a brief overview of five key research 'classics' produced by the innovative and radical thought leader, Professor Michael Anthony Hamilton Russell (1932-2009), drawing upon his other work wherever feasible. METHODS: Narrative review. From more than 250 publications, we selected papers we considered seminal texts, published in 1971, 1976, 1978, 1979 and 1991. RESULTS: Russell was among the first researchers to explain that smoking was a dependence disorder caused by the drug nicotine decades before this was recognized formally...
November 15, 2017: Addiction
https://www.readbyqxmd.com/read/29137583/the-effect-of-intensive-care-unit-admission-on-smokers-attitudes-and-their-likelihood-of-quitting-smoking
#3
C M Polmear, H Nathan, S Bates, C French, J Odisho, E Skinner, A Karahalios, F McGain
We sought to estimate the proportion of patients admitted to a metropolitan intensive care unit (ICU) who were current smokers, and the relationships between ICU survivors who smoked and smoking cessation and/or reduction six months post-ICU discharge. We conducted a prospective cohort study at a metropolitan level III ICU in Melbourne, Victoria. One hundred consecutive patients who met the inclusion criteria were included in the study. Inclusion criteria consisted of patients who were smokers at time of ICU admission, had an ICU length of stay greater than one day, survived to ICU discharge, and provided written informed consent...
November 2017: Anaesthesia and Intensive Care
https://www.readbyqxmd.com/read/29137427/association-of-opioid-receptor-mu-1-oprm1-a118g-polymorphism-rs1799971-with-nicotine-dependence
#4
Xiangyi Kong, Hao Deng, Theodore Alston, Yanguo Kong, Jingping Wang
Background and Object: Whether opioid-receptor mu 1 (OPRM1) A118G polymorphism (rs1799971) is associated with nicotine dependence is controversial. We analyzed the combined results from published studies of this possibility. Methods: Literature reviews were performed according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Web of Science, Chinese National Science Infrastructure (CNKI), PubMed, Embase and Google Scholar database searches using MeSH terms were conducted to find all relevant researches up to October 2016...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29135964/the-killer-of-socrates-coniine-and-related-alkaloids-in-the-plant-kingdom
#5
REVIEW
Hannu Hotti, Heiko Rischer
Coniine, a polyketide-derived alkaloid, is poisonous to humans and animals. It is a nicotinic acetylcholine receptor antagonist, which leads to inhibition of the nervous system, eventually causing death by suffocation in mammals. Coniine's most famous victim is Socrates who was sentenced to death by poison chalice containing poison hemlock in 399 BC. In chemistry, coniine holds two historical records: It is the first alkaloid the chemical structure of which was established (in 1881), and that was chemically synthesized (in 1886)...
November 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29134961/the-impact-of-combinations-of-alcohol-nicotine-and-cannabis-on-dynamic-brain-connectivity
#6
Victor M Vergara, Barbara J Weiland, Kent Hutchison, Vince D Calhoun
Alcohol, nicotine and cannabis are among the most commonly used drugs. A prolonged and combined use of these substances can alter normal brain wiring in different ways depending on the consumed cocktail mixture. Brain connectivity alterations and their change with time can be assessed using functional magnetic resonance imaging (fMRI) because of its spatial and temporal content. Here, we estimated dynamic functional network connectivity (dFNC) as derived from fMRI data to investigate the effects of single or combined use of alcohol, nicotine and cannabis...
November 14, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29133020/-the-fight-against-smoking-the-need-to-consider-behavioral-dependence
#7
REVIEW
C Guillaumin, T Urban
The prevalence of smoking in France remains very high compared to other developed Western countries. The management of smoking in smokers is often limited to nicotinic substitution, whether medicated or linked to the use of electronic cigarettes or varenicline and advices more or less reliable or helpful. This strategy of aiding smoking cessation, if isolated, leads to a high number of failures. It is therefore necessary to consider behavioral dependence, in the broad sense in three aspects, "behavioral" (the motor Gestures), cognitive (thoughts) and emotional (emotions)...
November 10, 2017: Revue de Pneumologie Clinique
https://www.readbyqxmd.com/read/29130427/reduction-of-anxiety-sensitivity-in-relation-to-nicotine-withdrawal-symptoms-during-smoking-cessation-an-examination-among-successful-quitters
#8
Jafar Bakhshaie, Michael J Zvolensky, Kirsten J Langdon, Adam M Leventhal, Norman B Schmidt
Anxiety sensitivity has been implicated as a potential risk factor for post-quit withdrawal symptoms. The present study examined relations between the extent of change in anxiety sensitivity and the course of nicotine withdrawal symptoms experienced during the initial two weeks of a quit attempt among treatment-seeking smokers. The sample consisted of 29 adult daily smokers (34% female; Mage = 47.7, SD = 13.1) who successfully quit and maintained their abstinence. After adjusting for the effects of gender, treatment condition, use of nicotine replacement therapy, nicotine dependence, alcohol use problems, baseline levels of anxiety sensitivity, and reductions in negative affect, greater reductions in anxiety sensitivity were related to faster decreases in withdrawal symptoms...
November 13, 2017: Cognitive Behaviour Therapy
https://www.readbyqxmd.com/read/29129555/nicotine-delivery-efficiency-of-first-and-second-generation-e-cigarettes-and-its-impact-on-relief-of-craving-during-the-acute-phase-of-use
#9
Tobias Rüther, Dieter Hagedorn, Konstantin Schiela, Thomas Schettgen, Helga Osiander-Fuchs, Wolfgang Schober
Knowledge about the change in blood nicotine concentrations during the first five minutes (acute phase) of e-cigarette vaping is important to determine whether the used product has a dependence potential or may be an efficient nicotine replacement product. To address this issue, we monitored blood nicotine levels during the acute phase in volunteers using disposable cigalikes (CLs) and a tank model (TM) and compared them with blood nicotine levels in subjects using a tobacco cigarette (TC). In parallel, heart rate changes were continually measured and withdrawal symptoms and craving were assessed with the Questionnaire on Smoking Urges before and immediately after the vaping/smoking sessions...
October 28, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29129316/functional-consequences-of-chrna7-copy-number-alterations-in-induced-pluripotent-stem-cells-and-neural-progenitor-cells
#10
Madelyn A Gillentine, Jiani Yin, Aleksandar Bajic, Ping Zhang, Steven Cummock, Jean J Kim, Christian P Schaaf
Copy-number variants (CNVs) of chromosome 15q13.3 manifest clinically as neuropsychiatric disorders with variable expressivity. CHRNA7, encoding for the α7 nicotinic acetylcholine receptor (nAChR), has been suggested as a candidate gene for the phenotypes observed. Here, we used induced pluripotent stem cells (iPSCs) and neural progenitor cells (NPCs) derived from individuals with heterozygous 15q13.3 deletions and heterozygous 15q13.3 duplications to investigate the CHRNA7-dependent molecular consequences of the respective CNVs...
November 4, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/29126755/-cannabis-and-lung-what-we-know-and-everything-we-don-t-know-yet
#11
REVIEW
T Urban, J Hureaux
Cannabis use increased sharply from 2010 to 2014 in France. Cannabis is often consumed with tobacco, although the use of marijuana is developing. Tobacco and cannabis smoke have many common characteristics in terms of irritants, carcinogens and carbon monoxide. They also differentiate by their dependence mechanisms, with nicotine and its receptors for tobacco and tetra-hydro-cannabinol (THC) and its specific receptors for cannabis. Chronic inhalation (700,000 daily users in France) over a long period most likely increases the relative risk of bronchial cancer...
November 7, 2017: Revue de Pneumologie Clinique
https://www.readbyqxmd.com/read/29126126/exposure-to-point-of-sale-marketing-of-cigarettes-and-e-cigarettes-as-predictors-of-smoking-cessation-behaviors
#12
Dale S Mantey, Keryn E Pasch, Alexandra Loukas, Cheryl L Perry
Introduction: Cue-reactivity theory suggests smoking-related visual cues such as point-of-sale (POS) marketing (e.g., advertising, product displays) may undermine cessation attempts by causing an increase in nicotine cravings among users. This study examined the relationship between recall of exposure to POS marketing and subsequent cessation behaviors among young adult cigarette smokers. Methods: Participants included 813 18-29 year old (m=21.1, sd=2.70) current cigarette smokers attending 24 Texas colleges...
November 6, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/29126121/the-relationship-between-neighborhood-disorder-and-barriers-to-cessation-in-a-sample-of-impoverished-inner-city-smokers-in-baltimore-maryland-usa
#13
Carl Latkin, Ryan D Kennedy, Melissa Davey-Rothwell, Tuo-Yen Tseng, Lauren Czaplicki, Anirudh Baddela, Catie Edwards, Geetanjali Chander, Meghan Bridgid Moran, Amy Knowlton
Introduction: Economic disparities in rates of smoking have been well documented in many countries. These disparities exist on an individual and geographic or neighborhood level. This cross-sectional study examined the relationship between neighborhood physical and social disorder and barriers to smoking cessation among an impoverished urban sample. Methods: A sample of current smokers were recruited through street outreach, posted advertisements, and word of mouth from impoverished neighborhoods in Baltimore, Maryland, USA for a study of psychosocial factors and smoking behaviors...
November 8, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/29123362/lessons-from-practice-designing-tools-to-facilitate-individualized-support-for-quitting-smoking
#14
Arpita Bhattacharya, Roger Vilardaga, Julie A Kientz, Sean A Munson
Many health care providers, with a variety of trainings, counsel clients on quitting smoking on a day-to-day basis. In their clinical practice, they draw from and adapt guidelines and research-based strategies to fit individual client situations and challenges. Designers of technologies to support quitting smoking can learn from these real world practices to create tools that better adapt to individual differences. We present findings from interviews with 28 providers with diverse experiences in smoking cessation counselling...
2017: ACM Transactions on Computer-human Interaction: a Publication of the Association for Computing Machinery
https://www.readbyqxmd.com/read/29121272/chronic-cigarette-smoking-associates-directly-and-indirectly-with-self-reported-olfactory-alterations-analysis-of-the-2011-2014-national-health-and-nutrition-examination-survey-nhanes
#15
Sarah-Grace Glennon, Tania Huedo-Medina, Shristi Rawal, Howard J Hoffman, Mark D Litt, Valerie B Duffy
Introduction: Population-based studies show inconsistent effects of cigarette smoking on olfactory function. We aimed to identify direct and indirect associations between measures of smoking exposure/nicotine dependence and altered olfaction in a nationally-representative sample of adults. Methods: NHANES 2011-2014 (n=7,418) participants (mean age=57.8±12.2 years) self-reported olfaction and related health and demographic risks. Affirmative answers to three questions defined altered olfaction (olfactory problems in past year; worse ability since age 25; phantom smells)...
November 7, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/29117635/evaluation-of-the-influence-of-three-newly-developed-bispyridinium-anti-nicotinic-compounds-mb408-mb442-mb444-on-the-efficacy-of-antidotal-treatment-of-nerve-agent-poisoning-in-mice
#16
Jiri Kassa, Christopher M Timperley, Mike Bird, Rebecca L Williams, A Christopher Green, John E H Tattersall
The influence of three newly-developed bispyridinium antinicotinic compounds (the non-oximes MB408, MB442 and MB444) on the therapeutic efficacy of a standard antidotal treatment (atropine in combination with an oxime) of acute poisoning by the organophosphorus nerve agents tabun and soman was studied in mice. The therapeutic efficacy of atropine in combination with an oxime with or without one of the bispyridinium non-oximes was evaluated by determination of the LD50 values of the nerve agents and measurement of the survival time after supralethal poisoning...
November 8, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29117550/microrna-regulation-of-nachr-expression-and-nicotine-dependent-behavior-in-c-%C3%A2-elegans
#17
Manish Rauthan, Jianke Gong, Jinzhi Liu, Zhaoyu Li, Seth A Wescott, Jianfeng Liu, X Z Shawn Xu
Chronic exposure to nicotine upregulates nicotinic acetylcholine receptors (nAChRs), and such upregulation is critical for the development of nicotine dependence in humans and animal models. However, how nicotine upregulates nAChRs is not well understood. Here, we identify a key role for microRNA in regulating nicotine-dependent behavior by modulating nAChR expression in C. elegans. We show that the nAChR gene acr-19 and alg-1, a key Argonaute-family member in the microRNA machinery, are specifically required for nicotine withdrawal response following chronic nicotine treatment...
November 7, 2017: Cell Reports
https://www.readbyqxmd.com/read/29117064/electroacupuncture-pretreatment-attenuates-acute-lung-injury-through-%C3%AE-7-nicotinic-acetylcholine-receptor-mediated-inhibition-of-hmgb1-release-in-rats-after-cardiopulmonary-bypass
#18
Zhankui Wang, Lei Hou, Hao Yang, Jiaxi Ge, Shaocheng Wang, Weitian Tian, Xiangrui Wang, Zhongwei Yang
Acute lung injury is a common complication after cardiopulmonary bypass (CPB). α7 nicotinic acetylcholine receptors (α7nAChR) and α7nAChR-dependent cholinergic signaling are implicated in suppressing the release of high mobility group box 1 (HMGB1) and reducing the inflammatory response. A previous study has shown the electroacupuncture (EA) pretreatment induces tolerance against lung injury. However, the role of EA in CPB is poorly understood. This study employed EA and a rat model of CPB to determine whether EA was associated with CPB-induced lung injury...
November 7, 2017: Shock
https://www.readbyqxmd.com/read/29114204/acute-ethanol-administration-upregulates-synaptic-%C3%AE-4-subunit-of-neuronal-nicotinic-acetylcholine-receptors-within-the-nucleus-accumbens-and-amygdala
#19
Josephine R Tarren, Henry A Lester, Arnauld Belmer, Selena E Bartlett
Alcohol and nicotine are two of the most frequently abused drugs, with their comorbidity well described. Previous data show that chronic exposure to nicotine upregulates high-affinity nicotinic acetylcholine receptors (nAChRs) in several brain areas. Effects of ethanol on specific brain nAChR subtypes within the mesolimbic dopaminergic (DA) pathway may be a key element in the comorbidity of ethanol and nicotine. However, it is unknown how alcohol affects the abundance of these receptor proteins. In the present study, we measured the effect of acute binge ethanol on nAChR α4 subunit levels in the prefrontal cortex (PFC), nucleus accumbens (NAc), ventral tegmental area (VTA), and amygdala (Amg) by western blot analysis using a knock-in mouse line, generated with a normally functioning α4 nAChR subunit tagged with yellow fluorescent protein (YFP)...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29114105/neuregulin-3-signaling-mediates-nicotine-dependent-synaptic-plasticity-in-the-orbitofrontal-cortex-and-cognition
#20
Luyi Zhou, Miranda L Fisher, Robert D Cole, Thomas J Gould, Vinay Parikh, Pavel I Ortinski, Jill R Turner
Neuregulin 3 (NRG3) and ErbB4 have been linked to nicotine addiction; however, the neuronal mechanisms and behavioral consequences of NRG3-ErbB4 sensitivity to nicotine remain elusive. Recent literature suggests that relapse to smoking is due to a lack of impulsive control, which is thought to be due to altered functioning within the orbitofrontal cortex (OFC). Therefore, we examined circuitry changes within this structure following nicotine application. We report that nicotine controls synaptic plasticity in the OFC through NRG3/ErbB4-dependent regulation of GABAergic inhibition...
November 7, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
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