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https://www.readbyqxmd.com/read/28922778/circulating-folate-vitamin-b6-and-methionine-in-relation-to-lung-cancer-risk-in-the-lung-cancer-cohort-consortium-lc3
#1
Anouar Fanidi, David C Muller, Jian-Min Yuan, Victoria L Stevens, Stephanie J Weinstein, Demetrius Albanes, Ross Prentice, Cynthia A Thomsen, Mary Pettinger, Qiuyin Cai, William J Blot, Jie Wu, Alan A Arslan, Anne Zeleniuch-Jacquotte, Marjorie L McCullough, Loic Le Marchand, Lynne R Wilkens, Christopher A Haiman, Xuehong Zhang, Jiali Han, Meir J Stampfer, Stephanie A Smith-Warner, Edward Giovannucci, Graham G Giles, Allison M Hodge, Gianluca Severi, Mikael Johansson, Kjell Grankvist, Arnulf Langhammer, Steinar Krokstad, Marit Næss, Renwei Wang, Yu-Tang Gao, Lesley M Butler, Woon-Puay Koh, Xiao-Ou Shu, Yong-Bing Xiang, Honglan Li, Wei Zheng, Qing Lan, Kala Visvanathan, Judith Hoffman Bolton, Per Magne Ueland, Øivind Midttun, Arve Ulvik, Neil E Caporaso, Mark Purdue, Regina G Ziegler, Neal D Freedman, Julie E Buring, I-Min Lee, Howard D Sesso, J Michael Gaziano, Jonas Manjer, Ulrika Ericson, Caroline Relton, Paul Brennan, Mattias Johansson
Background: Circulating concentrations of B vitamins and factors related to one-carbon metabolism have been found to be strongly inversely associated with lung cancer risk in the European Prospective Investigation into Cancer and Nutrition (EPIC) study. The extent to which these associations are present in other study populations is unknown. Methods: Within 20 prospective cohorts from the National Cancer Institute Cohort Consortium, a nested case-control study was designed including 5364 incident lung cancer case patients and 5364 control subjects who were individually matched to case patients by age, sex, cohort, and smoking status...
January 1, 2018: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28922651/evaluating-the-effect-of-smoking-cessation-treatment-on-a-complex-dynamical-system
#2
Korkut Bekiroglu, Michael A Russell, Constantino M Lagoa, Stephanie T Lanza, Megan E Piper
OBJECTIVE: To understand the dynamic relations among tobacco withdrawal symptoms to inform the development of effective smoking cessation treatments. Dynamical system models from control engineering are introduced and utilized to evaluate complex treatment effects. We demonstrate how dynamical models can be used to examine how distinct withdrawal-related processes are related over time and how treatment influences these relations. METHOD: Intensive longitudinal data from a randomized placebo-controlled smoking cessation trial (N=1504) are used to estimate a dynamical model of withdrawal-related processes including momentary craving, negative affect, quitting self-efficacy, and cessation fatigue for each of six treatment conditions (nicotine patch, nicotine lozenge, bupropion, patch + lozenge, bupropion + lozenge, and placebo)...
August 25, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28922483/molecular-basis-of-oral-squamous-cell-carcinoma-in-young-patients-is-it-any-different-from-older-patients
#3
REVIEW
Sara Ferreira Dos Santos Costa, Peter A Brennan, Ricardo Santiago Gomez, Eduardo Rodrigues Fregnani, Alan Roger Santos-Silva, Manoela Domingues Martins, Gilberto de Castro-Junior, Siavash Rahimi, Felipe Paiva Fonseca
Oral squamous cell carcinoma (OSCC) is the commonest subtype of oral cancer, mainly affecting older patients. It used to be a rare disease among individuals younger than 40 years, but recently increased incidences in this age group are being reported worldwide. The pathogenesis of OSCC affecting young patients remains controversial and the well known etiological factors for oral cancer, tobacco and alcohol use, are believed to play a minor role in the carcinogenesis of the neoplasm, suggesting that the etiology and the molecular basis of OSCC may differ between younger and older patients...
September 18, 2017: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/28922371/the-association-between-cigarette-smoking-and-inflammation-the-genetic-epidemiology-network-of-arteriopathy-genoa-study
#4
Martin Tibuakuu, Daisuke Kamimura, Sina Kianoush, Andrew P DeFilippis, Mahmoud Al Rifai, Lindsay M Reynolds, Wendy B White, Kenneth R Butler, Thomas H Mosley, Stephen T Turner, Iftikhar J Kullo, Michael E Hall, Michael J Blaha
To inform the study and regulation of emerging tobacco products, we sought to identify sensitive biomarkers of tobacco-induced subclinical cardiovascular damage by testing the cross-sectional associations of smoking with 17 biomarkers of inflammation in 2,702 GENOA study participants belonging to sibships ascertained on the basis of hypertension. Cigarette smoking was assessed by status, intensity (number of cigarettes per day), burden (pack-years of smoking), and time since quitting. We modeled biomarkers as geometric mean (GM) ratios using generalized estimating equations (GEE)...
2017: PloS One
https://www.readbyqxmd.com/read/28922195/dispositional-mindful-attention-in-relation-to-negative-affect-tobacco-withdrawal-and-expired-carbon-monoxide-on-and-after-quit-day
#5
Daniel J Paulus, Kirsten J Langdon, David W Wetter, Michael J Zvolensky
BACKGROUND: Mindfulness (or "Mindful Attention") has been described as the presence or absence of attention to, and awareness of, what is occurring in the present moment. Among smokers, greater mindfulness is associated with greater effect stability and reduced cue-induced craving. While studies have shown that mindfulness is associated with other smoking-related factors such as reduced withdrawal symptoms using cross-sectional data, relatively little is known about the associations between baseline mindful attention and future abstinence-related effect/withdrawal...
September 15, 2017: Journal of Addiction Medicine
https://www.readbyqxmd.com/read/28921771/iron-deficiency-stress-can-induce-mxnas1-protein-expression-to-facilitate-iron-redistribution-in-malus-xiaojinensis
#6
Chaohua Sun, Mudan Yuan, Longmei Zhai, Duyue Li, Xinzhong Zhang, Ting Wu, Xuefeng Xu, Yi Wang, Zhenhai Han
Iron (Fe) is a vital trace element in plants and deficiency of this element in apple trees can reduce fruit quality. Nicotianamine (NA) is known to play an important role in Fe transport and endogenous hormone balance. In the present study, we investigated the role of a nicotianamine synthase 1 gene (MxNas1) in an apple species, Malus xiaojinensis, that has an Fe-efficient genotype than other apple species and ecotypes. To characterize the response of M. xiaojinensis to Fe-deficiency, we used quantitative Q-PCR to determine the level of expression of MxNas1 and western blot to measure protein levels...
September 16, 2017: Plant Biology
https://www.readbyqxmd.com/read/28921760/genome-wide-association-study-of-a-nicotine-metabolism-biomarker-in-african-american-smokers-impact-of-chromosome-19-genetic-influences
#7
Meghan J Chenoweth, Jennifer J Ware, Andy Z X Zhu, Christopher B Cole, Lisa Sanderson Cox, Nikki Nollen, Jasjit S Ahluwalia, Neal L Benowitz, Robert A Schnoll, Larry W Hawk, Paul M Cinciripini, Tony P George, Caryn Lerman, Joanne Knight, Rachel F Tyndale
BACKGROUND AND AIMS: The activity of CYP2A6, the major nicotine-inactivating enzyme, is measurable in smokers using the nicotine metabolite ratio (NMR; 3'hydroxycotinine/cotinine). Due to its role in nicotine clearance, the NMR is associated with smoking behaviours and response to pharmacotherapies. The NMR is highly heritable (~80%), and on average lower in African Americans (AA) versus Whites. We previously identified several reduce and loss-of-function CYP2A6 variants common in individuals of African descent...
September 16, 2017: Addiction
https://www.readbyqxmd.com/read/28921304/expression-and-purification-of-an-fgf9-fusion-protein-in-e-coli-and-the-effects-of-the-fgf9-subfamily-on-human-hepatocellular-carcinoma-cell-proliferation-and-migration
#8
Shen Wang, Haipeng Lin, Tiantian Zhao, Sisi Huang, David G Fernig, Nuo Xu, Fenfang Wu, Mi Zhou, Chao Jiang, Haishan Tian
Fibroblast growth factor (FGF) 9 has oncogenic activity and plays an important role in the development of ovarian, lung, prostate, and gastric cancers. In the present study, with the aim of reducing the cost of utilizing growth factors in cancer research, a simple and efficient method for the preparation of recombinant human (rh)FGF9 in Escherichia coli was established. The rhFGF9 fusion protein (6 × His-TEV-rhFGF9) and the native protein released by tobacco etch virus (TEV) protease were obtained using a Ni-NTA system, with > 95% purity...
September 18, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28921050/characterization-of-ccstop1-a-c2h2-type-transcription-factor-regulates-al-tolerance-gene-in-pigeonpea
#9
Abhijit Arun Daspute, Yuriko Kobayashi, Sanjib Kumar Panda, Bashasab Fakrudin, Yasufumi Kobayashi, Mutsutomo Tokizawa, Satoshi Iuchi, Arbind Kumar Choudhary, Yoshiharu Y Yamamoto, Hiroyuki Koyama
Al-responsive citrate-transporting CcMATE1 function and its regulation by CcSTOP1 were analyzed using NtSTOP1 -KD tobacco- and pigeonpea hairy roots, respectively, CcSTOP1 binding sequence of CcMATE1 showed similarity with AtALMT1 promoter. The molecular mechanisms of Aluminum (Al) tolerance in pigeonpea (Cajanus cajan) were characterized to provide information for molecular breeding. Al-inducible citrate excretion was associated with the expression of MULTIDRUGS AND TOXIC COMPOUNDS EXCLUSION (CcMATE1), which encodes a citrate transporter...
September 18, 2017: Planta
https://www.readbyqxmd.com/read/28920521/implementing-evidence-based-smoking-cessation-treatment-in-psychosocial-care-units-caps-in-brazil
#10
João Mauricio Castaldelli-Maia, Nilson R da Silva, Marta Rd Campos, Helena F Moura, Gustavo Zabert, Beatriz M Champagne, Katherine E Kemper, J Taylor Hays
BACKGROUND: The prevalence of smoking among mental health and addiction (MHA) patients is 3 times higher than it is in the general population, yet this patient population has received little help to combat smoking. Considering this, psychosocial care centers (CAPS - Centros de Atenção Psicossocial) are strategic locations for integrating tobacco dependence treatment (TDT) into existing treatment activities. METHODS: Our team provided an 8-hour training package to the staff of CAPS that have not been providing specialized TDT for smokers...
September 1, 2017: International Journal of Social Psychiatry
https://www.readbyqxmd.com/read/28920112/implant-and-endodontic-treatment-selection-are-influenced-by-patients-demographic-characteristics-insurance-status-and-medical-history-a-retrospective-cohort-study
#11
Georgios S Chatzopoulos, Larry F Wolff
OBJECTIVE: The aim of this study was to examine any potential association between demographic characteristics, socioeconomic status, dental insurance, and medical and tobacco history between patients that received endodontic treatment or extraction and implant treatment in a university dental clinic. METHOD AND MATERIALS: Dental charts of patients who received root canal treatment and implant therapy were retrieved from the University of Minnesota School of Dentistry records...
2017: Quintessence International
https://www.readbyqxmd.com/read/28919978/controlled-substance-agreements-for-opioids-in-a-primary-care-practice
#12
Lindsey M Philpot, Priya Ramar, Muhamad Y Elrashidi, Raphael Mwangi, Frederick North, Jon O Ebbert
BACKGROUND: Opioids are widely prescribed for chronic non cancer pain (CNCP). Controlled substance agreements (CSAs) are intended to increase adherence and mitigate risk with opioid prescribing. We evaluated the demographic characteristics of and opioid dosing for patients with CNCP enrolled in CSAs in a primary care practice. METHODS: We conducted a retrospective cohort study of 1066 patients enrolled in CSAs between May 9, 2013 and August 15, 2016 for CNCP in a Midwest primary care practice...
2017: Journal of Pharmaceutical Policy and Practice
https://www.readbyqxmd.com/read/28919445/cognitive-effects-of-labeled-addictolytic-medications
#13
REVIEW
Camille Noélie Pujol, Cecilia Paasche, Vincent Laprevote, Benoit Trojak, Pierre Vidailhet, Elisabeth Bacon, Laurence Lalanne
INTRODUCTION: Alcohol, tobacco, and illegal drug usage is pervasive throughout the world, and abuse of these substances is a major contributor to the global disease burden. Many pharmacotherapies have been developed over the last 50years to target addictive disorders. While the efficacy of these pharmacotherapies is largely recognized, their cognitive impact is less known. However, all substance abuse disorders are known to promote cognitive disorders like executive dysfunction and memory impairment...
September 14, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28919072/assessment-of-nicotine-withdrawal-induced-changes-in-sucrose-preference-in-mice
#14
Y Alkhlaif, D Bagdas, A Jackson, A J Park, M I Damaj
Anhedonia, induced by nicotine withdrawal, may serve as an important affective sign that reinforces tobacco use and smoking relapse rates in humans. Animal models provide a way to investigate the underlying neurobiological factors involved in the decrease in responding for positive affective stimuli during nicotine withdrawal and may aid in drug development for nicotine dependence. Thus, we explored the use of the sucrose preference test to measure nicotine withdrawal-induced reduction in response for positive affective stimuli in mice...
September 15, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28918668/current-status-and-future-prospects-for-the-development-of-substance-abuse-vaccines
#15
Thomas R Kosten, Daryl Shorter, David Heekin
Substance use disorders (SUD) are a significant threat to both individual and public health. To date, SUD pharmacotherapy has focused primarily on agonist medications (i.e., nicotine replacement therapy for tobacco use disorder; methadone and buprenorphine for opioid use disorder), antagonist medications (i.e., naltrexone for opioid use disorder), and aversive therapy (i.e., disulfiram for alcohol use disorder). Pharmacotherapeutic approaches utilizing an immunological framework for medication development represent an important focus of study for treatment of these illnesses...
September 18, 2017: Expert Review of Vaccines
https://www.readbyqxmd.com/read/28918457/effects-of-menthol-and-its-interaction-with-nicotine-conditioned-cue-on-nicotine-seeking-behavior-in-rats
#16
Erin Harrison, Lisa Biswas, Ramachandram Avusula, Meiyu Zhang, Yongzhen Gong, Xiu Liu
RATIONALE: Increasing clinical evidence suggests that menthol, a significant flavoring additive in tobacco products, may contribute to smoking and nicotine dependence. Relapse to smoking behavior presents a formidable challenge for the treatment of tobacco addiction. An unresolved issue is whether the mentholation of tobacco products precipitates relapse to tobacco use in abstinent smokers. OBJECTIVES: The present study examined the effects of menthol on the perseverance and relapse of nicotine-seeking behavior in rats...
September 16, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28918239/cigarette-smoking-quit-rates-among-adults-with-and-without-alcohol-use-disorders-and-heavy-alcohol-use-2002-2015-a-representative-sample-of-the-united-states-population
#17
Andrea H Weinberger, Misato Gbedemah, Renee D Goodwin
BACKGROUND: While the overall smoking quit rate has increased over time, it is not known whether the quit rate has also increased among persons with alcohol use disorders (AUDs) or heavy alcohol use (HAU). The current study examined quit rates among adults with and without AUDs and HAU over a 12-year period in a representative sample of US adults. METHODS: Data were drawn from the National Household Survey on Drug Use, an annual cross-sectional study of US persons...
August 5, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28917537/hbcag-produced-in-transgenic-tobacco-triggers-th1-and-th2-response-when-intramuscularly-delivered
#18
Marcin Pyrski, Anna Rugowska, Kamil Robert Wierzbiński, Anna Kasprzyk, Maria Bogusiewicz, Piotr Bociąg, Sławomir Samardakiewicz, Marcin Czyż, Maciej Kurpisz, Tomasz Pniewski
Hepatitis B core Antigen (HBcAg) assembled into Capsid-Like Particles (CLPs) is investigated as a therapeutic vaccine in treatment of chronic hepatitis B (CHB) and in diagnostic tests or as a carrier for various epitopes. While the expression of HBcAg has been thoroughly clarified in E. coli and yeast, it has also been investigated in other expression systems. Stably transformed tobacco expressed HBcAg at a level of 110-250µg/g fresh weight, therefore in view of its large leaf biomass it offers a production platform comparable with transient expression systems regarding the final yield of HBcAg...
September 13, 2017: Vaccine
https://www.readbyqxmd.com/read/28917193/high-c-reactive-protein-levels-are-associated-with-depressive-symptoms-in-schizophrenia
#19
M Faugere, J-A Micoulaud-Franchi, C Faget-Agius, C Lançon, M Cermolacce, R Richieri
BACKGROUND: Depressive symptoms are frequently associated with schizophrenia symptoms. C - Reactive protein (CRP), a marker of chronic inflammation, had been found elevated in patients with schizophrenia and in patients with depressive symptoms. However, the association between CRP level and depressive symptoms has been poorly investigated in patients with schizophrenia. The only study conducted found an association between high CRP levels and antidepressant consumption, but not with depressive symptoms investigated with the Calgary Depression Rating Scale for Schizophrenia (CDSS)...
September 8, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28917142/reactions-of-tobacco-genotypes-with-different-antioxidant-capacities-to-powdery-mildew-and-tobacco-mosaic-virus-infections
#20
Gábor Gullner, Csilla Juhász, Adél Németh, Balázs Barna
The interactions of powdery mildew (Golovinomyces orontii) and Tobacco mosaic virus (TMV) with tobacco lines having down or upregulated antioxidants were investigated. Xanthi-nc, its salicylic acid-deficient NahG mutant, a paraquat-sensitive Samsun (PS) and its paraquat tolerant (PT) mutant were used. Cell membrane damage caused by H2O2 was significantly higher in NahG than Xanthi, whereas it was lower in PT than in PS. Leakage of ions from PT was reduced by the powdery mildew infection. On the other hand TMV inoculation led to a 6-fold and 2-fold elevation of ion leakage from hypersensitive resistant NahG and Xanthi leaves, respectively, whereas ion leakage increased slightly from susceptible PS leaves...
September 8, 2017: Plant Physiology and Biochemistry: PPB
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