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https://www.readbyqxmd.com/read/28545091/correction-distinct-epigenetic-effects-of-tobacco-smoking-in-whole-blood-and-among-leukocyte-subtypes
#1
Dan Su, Xuting Wang, Michelle R Campbell, Devin K Porter, Gary S Pittman, Brian D Bennett, Ma Wan, Neal A Englert, Christopher L Crowl, Ryan C Gimple, Kelly N Adamski, Zhiqing Huang, Susan K Murphy, Douglas A Bell
[This corrects the article DOI: 10.1371/journal.pone.0166486.].
2017: PloS One
https://www.readbyqxmd.com/read/28545057/characteristics-and-predictors-of-oral-cancer-knowledge-in-a-predominantly-african-american-community
#2
Nosayaba Osazuwa-Peters, Eric Adjei Boakye, Adnan S Hussaini, Nanthiya Sujijantarat, Rajan N Ganesh, Matthew Snider, Devin Thompson, Mark A Varvares
PURPOSE: To characterize smoking and alcohol use, and to describe predictors of oral cancer knowledge among a predominantly African-American population. METHODS: A cross-sectional study was conducted between September, 2013 among drag racers and fans in East St. Louis. Oral cancer knowledge was derived from combining questionnaire items to form knowledge score. Covariates examined included age, sex, race, marital status, education status, income level, insurance status, tobacco and alcohol use...
2017: PloS One
https://www.readbyqxmd.com/read/28544367/the-diverging-trajectories-of-cannabis-and-tobacco-policies-in-the-united-states-reasons-and-possible-implications
#3
Wayne Hall, Lynn T Kozlowski
AIM: To examine briefly the (i) rationales for two policy proposals in the United States to make it mandatory for cigarettes to contain very low levels of nicotine and to legalize cannabis for recreational use by adults; and (ii) possible lessons that participants in each policy debate may learn from each other. METHOD: We briefly describe the diverging policies towards cannabis and tobacco in the United States, explain and critically analyse their rationales and discuss possible policy lessons...
May 22, 2017: Addiction
https://www.readbyqxmd.com/read/28543436/prenatal-environmental-tobacco-smoke-exposure-increases-allergic-asthma-risk-with-methylation-changes-in-mice
#4
Sonja Christensen, Zeina Jaffar, Elizabeth Cole, Virginia Porter, Maria Ferrini, Britten Postma, Kent E Pinkerton, Mihi Yang, Yang Jee Kim, Luke Montrose, Kevan Roberts, Andrij Holian, Yoon Hee Cho
Allergic asthma remains an inadequately understood disease. In utero exposure to environmental tobacco smoke (ETS) has been identified as an environmental exposure that can increase an individual's asthma risk. To improve our understanding of asthma onset and development, we examined the effect of in utero ETS exposure on allergic disease susceptibility in an asthmatic phenotype using a house dust mite (HDM) allergen-induced murine model. Pregnant C57BL/6 mice were exposed to either filtered air or ETS during gestation, and their offspring were further exposed to HDM at 6-7 weeks old to induce allergic inflammation...
May 25, 2017: Environmental and Molecular Mutagenesis
https://www.readbyqxmd.com/read/28542511/association-of-cyp2a6-activity-with-lung-cancer-incidence-in-smokers-the-multiethnic-cohort-study
#5
Sungshim L Park, Sharon E Murphy, Lynne R Wilkens, Daniel O Stram, Stephen S Hecht, Loïc Le Marchand
While smoking is the primary cause of lung cancer, only 11-24% of smokers develop the malignancy over their lifetime. The primary addictive agent in tobacco smoke is nicotine and variation in nicotine metabolism may influence the smoking levels of an individual. Therefore, inter-individual variation in lung cancer risk among smokers may be due in part to differences in the activity of enzymes involved in nicotine metabolism. In most smokers, cytochrome P450 2A6 (CYP2A6)-catalyzed C-oxidation accounts for >75% of nicotine metabolism, and the activity of this enzyme has been shown to correlate with the amount of nicotine and carcinogens drawn from cigarettes...
2017: PloS One
https://www.readbyqxmd.com/read/28542301/electronic-cigarette-aerosols-suppress-cellular-antioxidant-defenses-and-induce-significant-oxidative-dna-damage
#6
Vengatesh Ganapathy, Jimmy Manyanga, Lacy Brame, Dehra McGuire, Balaji Sadhasivam, Evan Floyd, David A Rubenstein, Ilangovan Ramachandran, Theodore Wagener, Lurdes Queimado
BACKGROUND: Electronic cigarette (EC) aerosols contain unique compounds in addition to toxicants and carcinogens traditionally found in tobacco smoke. Studies are warranted to understand the public health risks of ECs. OBJECTIVE: The aim of this study was to determine the genotoxicity and the mechanisms induced by EC aerosol extracts on human oral and lung epithelial cells. METHODS: Cells were exposed to EC aerosol or mainstream smoke extracts and DNA damage was measured using the primer anchored DNA damage detection assay (q-PADDA) and 8-oxo-dG ELISA assay...
2017: PloS One
https://www.readbyqxmd.com/read/28542166/indoor-secondhand-tobacco-smoke-and-risk-of-under-five-mortality-in-23-sub-saharan-africa-countries-a-population-based-study-and-meta-analysis
#7
Patrick Opiyo Owili, Miriam Adoyo Muga, Wen-Chi Pan, Hsien-Wen Kuo
BACKGROUND: Inhalation of secondhand smoke from tobacco results in serious health outcomes among under-five children, and yet, few studies have assessed its effect on under-five mortality. We investigated the association between frequency of exposure to household tobacco smoke and risk of under-five mortality in sub-Saharan Africa (SSA). METHODS: Demographic Health Survey data of under-five children from 23 SSA countries (n = 787,484) were used. Cox proportional hazard models described the association between exposure to tobacco smoke and the risk of under-five mortality in each country, with age as the time-to-event indicator...
2017: PloS One
https://www.readbyqxmd.com/read/28542122/announcement-world-no-tobacco-day-may-31-2017
#8
(no author information available yet)
Each year, the global tobacco epidemic kills an estimated 6 million persons worldwide, including 600,000 who die from secondhand smoke exposure. If current trends continue, it is estimated that by 2030 tobacco use will result in approximately 8 million deaths worldwide annually; an estimated 80% of these preventable deaths will occur in low- and middle-income countries (1).
May 26, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28542119/current-tobacco-smoking-and-desire-to-quit-smoking-among-students-aged-13-15-years-global-youth-tobacco-survey-61-countries-2012-2015
#9
René A Arrazola, Indu B Ahluwalia, Eugene Pun, Isabel Garcia de Quevedo, Stephen Babb, Brian S Armour
Tobacco use is the world's leading cause of preventable morbidity and mortality, resulting in nearly 6 million deaths each year (1). Smoked tobacco products, such as cigarettes and cigars, are the most common form of tobacco consumed worldwide (2), and most tobacco smokers begin smoking during adolescence (3). The health benefits of quitting are greater for persons who stop smoking at earlier ages; however, quitting smoking at any age has health benefits (4). CDC used the Global Youth Tobacco Survey (GYTS) data from 61 countries across the six World Health Organization (WHO) regions from 2012 to 2015 to examine the prevalence of current tobacco smoking and desire to quit smoking among students aged 13-15 years...
May 26, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28541869/teaming-up-for-asthma-control-epr-3-compliant-school-program-in-missouri-is-effective-and-cost-efficient
#10
Benjamin Francisco, Tammy Rood, Rebekah Nevel, Paul Foreman, Sherri Homan
INTRODUCTION: Teaming Up for Asthma Control (TUAC) is a work force development intervention to improve asthma control among children by increasing the competency of school nurses and delivering guideline-based education. We hypothesized that the knowledge and skills of participating school nurses would improve and that this change would positively affect students' asthma health and reduce health care utilization cost. METHODS: Asthma education for school nurses was provided online in a pretest/posttest format or in instructor-led groups...
May 25, 2017: Preventing Chronic Disease
https://www.readbyqxmd.com/read/28537368/the-relationship-between-maternal-smoking-during-pregnancy-and-parental-reported-experience-of-dental-caries-in-indigenous-australian-children
#11
C Claudia, X Ju, G Mejia, L Jamieson
Objective: This study aimed to test the association between maternal smoking during pregnancy and parental-reported experience of dental caries in Indigenous Australian children. Methods: Data were from the Longitudinal Study of Indigenous Children (LSIC); a population-based cohort study in Australia. Participants were 1,687 Indigenous Australian children aged 5 or less. Biological, social and behavioural variables were tested using log-linear modelling with binomial regression to determine the association with parental-reported experience of dental caries...
December 2016: Community Dental Health
https://www.readbyqxmd.com/read/28536194/wild-tobacco-genomes-reveal-the-evolution-of-nicotine-biosynthesis
#12
Shuqing Xu, Thomas Brockmöller, Aura Navarro-Quezada, Heiner Kuhl, Klaus Gase, Zhihao Ling, Wenwu Zhou, Christoph Kreitzer, Mario Stanke, Haibao Tang, Eric Lyons, Priyanka Pandey, Shree P Pandey, Bernd Timmermann, Emmanuel Gaquerel, Ian T Baldwin
Nicotine, the signature alkaloid of Nicotiana species responsible for the addictive properties of human tobacco smoking, functions as a defensive neurotoxin against attacking herbivores. However, the evolution of the genetic features that contributed to the assembly of the nicotine biosynthetic pathway remains unknown. We sequenced and assembled genomes of two wild tobaccos, Nicotiana attenuata (2.5 Gb) and Nicotiana obtusifolia (1.5 Gb), two ecological models for investigating adaptive traits in nature. We show that after the Solanaceae whole-genome triplication event, a repertoire of rapidly expanding transposable elements (TEs) bloated these Nicotiana genomes, promoted expression divergences among duplicated genes, and contributed to the evolution of herbivory-induced signaling and defenses, including nicotine biosynthesis...
May 23, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28535209/aromatic-dna-adducts-and-breast-cancer-risk-a-case-cohort-study-within-the-epic-spain
#13
Antonio Agudo, Marco Peluso, Armelle Munnia, Leila Luján-Barroso, Aurelio Barricarte, Pilar Amiano, Carmen Navarro, María-José Sánchez, J Ramón Quirós, Eva Ardanaz, Nerea Larrañaga, María-José Tormo, María-Dolores Chirlaque, Miguel Rodríguez-Barranco, Emilio Sánchez-Cantalejo, Filippo Cellai, Catalina Bonet, Núria Sala, Carlos A González
Epidemiologic evidence linking environmental exposure to polycyclic aromatic hydrocarbons (PAH) with breast cancer is limited. Measurement of DNA adducts formed by aromatic compounds, including PAH, has been carried in breast tissue samples and white blood cells from women with breast cancer and different kinds of controls. However, these studies provide inconsistent results and bias cannot be ruled out. During the 7-year follow-up period, 305 women were diagnosed with first primary breast cancer in the EPIC-Spain cohort, and were compared with a sample of 149 women without breast cancer at recruitment, using a case-cohort approach...
May 23, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28533733/tobacco-smoke-exposure-reduces-paraoxonase-activity-in-a-murine-model
#14
Robert M Reed, Saif M Borgan, Michael Eberlein, Monica Goldklang, Joshua Lewis, Michael Miller, Mohamad Navab, Bo S Kim
AIM: To demonstrate a direct inhibitory effect of cigarette smoke exposure on paraoxonase 1 activity in a murine in vivo model. METHODS: At 8 weeks old, we randomized 10 C57/bl6 mice to an environment consisting of either filtered air or cigarette smoke for 6 months. Smoke exposure (7 hours per day, 5 days per week) was standardized using a model TE-10 smoking machine and adjusted to maintain constant sidestream and mainstream smoke. After 6 months of exposure, we assessed differences in lung air space, cholesterol, lipid, and lipoprotein profiles, as well as paraoxonase activity in mice exposed to cigarette smoke extract compared to unexposed control mice...
March 2017: International Journal of Biomedical Science: IJBS
https://www.readbyqxmd.com/read/28533133/current-active-and-passive-smoking-among-adults-living-with-same-sex-partners-in-spain
#15
Jaime Perales, Irene Checa, Begoña Espejo
OBJECTIVE: To assess the association between current active and passive tobacco smoking and living with a same-sex partner in Spain. METHODS: We analysed data from two cross-sectional national surveys of the Spanish population 15 years and older (2011-Encuesta Nacional de Salud en España and 2014-Encuesta Europea de Salud en España). Analyses included only people living with their partner. Associations were calculated using multiple logistic regressions adjusting for gender, social class and age...
May 19, 2017: Gaceta Sanitaria
https://www.readbyqxmd.com/read/28532576/-tobacco-and-plastic-surgery-an-absolute-contraindication
#16
C Matusiak, A De Runz, H Maschino, M Brix, E Simon, F Claudot
INTRODUCTION: Smoking increases perioperative risk regarding wound healing, infection rate and failure of microsurgical procedures. There is no present consensus about plastic and aesthetic surgical indications concerning smoking patients. The aim of our study is to analyze French plastic surgeons practices concerning smokers. METHOD: A questionnaire was send by e-mail to French plastic surgeons in order to evaluate their own operative indications: patient information about smoking dangers, pre- and postoperative delay of smoking cessation, type of intervention carried out, smoking cessation supports, use of screening test and smoking limit associated to surgery refusing were studied...
May 19, 2017: Annales de Chirurgie Plastique et Esthétique
https://www.readbyqxmd.com/read/28532414/association-between-body-mass-index-and-firmicutes-bacteroidetes-ratio-in-an-adult-ukrainian-population
#17
Alexander Koliada, Ganna Syzenko, Vladislav Moseiko, Liudmyla Budovska, Kostiantyn Puchkov, Vyacheslav Perederiy, Yuriy Gavalko, Andriy Dorofeyev, Maryana Romanenko, Sergiy Tkach, Lyudmila Sineok, Oleh Lushchak, Alexander Vaiserman
BACKGROUND: Metagenomic studies confirm that obesity is associated with a composition of gut microbiota. There are some controversies, however, about the composition of gut microbial communities in obese individuals in different populations. To examine the association between body mass index and microbiota composition in Ukrainian population, fecal concentrations of Bacteroidetes, Firmicutes, Actinobacteria and Firmicutes/Bacteroidetes (F/B) ratio were analyzed in 61 adult individuals...
May 22, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28531246/heat-not-burn-tobacco-cigarettes-smoke-by-any-other-name
#18
Reto Auer, Nicolas Concha-Lozano, Isabelle Jacot-Sadowski, Jacques Cornuz, Aurélie Berthet
No abstract text is available yet for this article.
May 22, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/28528972/brand-variation-in-oxidant-production-in-mainstream-cigarette-smoke-carbonyls-and-free-radicals
#19
Samantha M Reilly, Reema Goel, Neil Trushin, Ryan J Elias, Jonathan Foulds, Joshua Muscat, Jason Liao, John P Richie
Oxidative stress/damage resulting from exposure to cigarette smoke plays a critical role in the development of tobacco-caused diseases. Carbonyls and free radicals are two major classes of oxidants in tobacco smoke. There is little information on the combined delivery of these oxidants across different cigarette brands; thus, we set out to measure and compare their levels in mainstream smoke from popular US cigarettes. Mainstream smoke from 28 different cigarette brands produced by smoking (FTC protocol) was analyzed for five important, abundant carbonyls, and levels were compared to previously determined free radical for the same brands...
May 18, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28528524/a-novel-public-health-approach-to-measuring-tobacco-cessation-needs-among-cancer-survivors-in-alaska
#20
J Michael Underwood, Samantha J Hyde-Rolland, Julia Thorsness, Sherri L Stewart
Cancer survivors who continue to smoke have poorer response to treatment, higher risk for future cancers and lower survival rates than those who quit tobacco after diagnosis. Despite the increased risk for negative health outcomes, tobacco use among Alaskan cancer survivors is 19%, among the highest in the nation. To characterize and address tobacco cessation needs among cancer survivors who called a quit line for help in quitting tobacco, Alaska's Comprehensive Cancer Control program initiated a novel partnership with the state's Tobacco Quit Line...
May 20, 2017: Journal of Community Health
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