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Evelyne Bougie, Dafna E Kohen
BACKGROUND: Although rates of daily smoking among Inuit have been decreasing since 1991, Inuit are still much more likely to smoke relative to the Canadian population as a whole. However, little population-based empirical research has identified characteristics associated with cigarette use among this population. DATA AND METHODS: Based on data from the 2012 Aboriginal Peoples Survey, sex-specific logistic regression analyses, informed by an Inuit social determinants of health framework, described associations between current smoking and selected socio-demographic characteristics among Inuit men and women aged 18 or older who resided in Inuit Nunangat...
March 21, 2018: Health Reports
Alexa A Lopez, Ryan Redner, Allison N Kurti, Diana R Keith, Andrea C Villanti, Cassandra A Stanton, Diann E Gaalema, Janice Y Bunn, Nathan J Doogan, Antonio Cepeda-Benito, Megan E Roberts, Stephen T Higgins
This study examined prevalence and correlates of using cigarettes, e-cigarettes, and other tobacco/nicotine delivery products in a U.S. national sample of women of reproductive age. Weighted data were obtained from women aged 15-44 years who were not currently pregnant in the first wave of the Population Assessment of Health and Tobacco (PATH, 2013-2014) study (N = 12,848). 20.1% of women were current cigarette smokers, 5.9% current e-cigarette users, 4.9% current cigar smokers, and 6.5% current hookah users...
March 17, 2018: Preventive Medicine
Hitendra S Solanki, Remya Raja, Alex Zhavoronkov, Ivan V Ozerov, Artem V Artemov, Jayshree Advani, Aneesha Radhakrishnan, Niraj Babu, Vinuth N Puttamallesh, Nazia Syed, Vishalakshi Nanjappa, Tejaswini Subbannayya, Nandini A Sahasrabuddhe, Arun H Patil, T S Keshava Prasad, Daria Gaykalova, Xiaofei Chang, Rachana Sathyendran, Premendu Prakash Mathur, Annapoorni Rangarajan, David Sidransky, Akhilesh Pandey, Evgeny Izumchenko, Harsha Gowda, Aditi Chatterjee
EGFR-based targeted therapies have shown limited success in smokers. Identification of alternate signaling mechanism(s) leading to TKI resistance in smokers is critically important. We observed increased resistance to erlotinib in H358 NSCLC (non-small cell lung carcinoma) cells chronically exposed to cigarette smoke (H358-S) compared to parental cells. SILAC-based mass-spectrometry approach was used to study altered signaling in H358-S cell line. Importantly, among the top phosphosites in H358-S cells we observed hyperphosphorylation of EGFR (Y1197) and non-receptor tyrosine kinase FAK (Y576/577)...
January 2018: Oncoscience
D Thorne, M Hollings, A Seymour, J Adamson, A Dalrymple, M Ballantyne, M Gaca
There is a growing consensus that e-cigarettes hold the potential for reducing the harm associated with cigarette smoking. Recently published studies have reported in vitro testing of e-cigarettes, demonstrating reduced toxicological and biological effects. Few studies however have reported the use of e-cigarettes under extreme testing conditions. To assess the full mutagenic potential of a commercially available electronic-cigarette (Vype ePen), this study investigated the delivery of aerosol under extreme conditions, using a scaled-down 35 mm plate Ames bacterial reverse mutagenicity assay...
April 2018: Mutation Research
Jiemin Ma, Rebecca L Siegel, Eric J Jacobs, Ahmedin Jemal
INTRODUCTION: Contemporary state-specific estimates of mortality caused by cigarette smoking are important for tobacco control advocacy and healthcare planning in the U.S., but are currently lacking. METHODS: The population-attributable fraction (i.e., proportion of deaths in the population caused by smoking), number of deaths, and number of years of potential life lost because of active cigarette smoking were estimated for each state based on state-specific smoking prevalence data from the 2014 Behavioral Risk Factor Surveillance System, recently updated relative risks of smoking, and numbers of deaths from smoking-attributable diseases...
March 15, 2018: American Journal of Preventive Medicine
Erin S Rogers, Steven S Fu, Paul Krebs, Siamak Noorbaloochi, Sean M Nugent, Amy Gravely, Scott E Sherman
INTRODUCTION: Veterans with a mental health diagnosis have high rates of tobacco use but encounter low rates of treatment from providers. This study tested whether a proactive tobacco treatment approach increases treatment engagement and abstinence rates in Department of Veterans Affairs mental health patients. STUDY DESIGN: RCT. SETTING/PARTICIPANTS: The study was performed from 2013 to 2017 and analyses were conducted in 2017. Investigators used the electronic medical record at four Veterans Administration facilities to identify patients documented as current smokers and who had a mental health clinic visit in the past 12 months...
March 15, 2018: American Journal of Preventive Medicine
Vaideesh Parasaram, Nasim Nosoudi, Aniqa Chowdhury, Naren Vyavahare
mphysema is characterized by degradation of lung alveoli that leads to poor airflow in lungs. Irreversible elastic fiber degradation by matrix metalloproteinases (MMPs) and reactive oxygen species (ROS) activity leads to loss of elasticity and drives the progression of this disease. We investigated if a polyphenol, pentagalloyl glucose (PGG) can increase elastin production in pulmonary fibroblasts. We also studied the effect of PGG treatment in reducing MMP activity and ROS levels in cells. We exposed rat pulmonary fibroblasts to two different types of inflammatory environments i...
March 14, 2018: Biochemical and Biophysical Research Communications
Mohammed Q Al Rifaiy, Osama A Qutub, Mohammed N Alasqah, Zeyad H Al-Sowygh, Sameer A Mokeem, Ali Alrahlah
BACKGROUND: There are no studies that have assessed the effectiveness of antimicrobial photodynamic therapy (aPDT) in reducing peri-implant inflammatory response in individuals vaping electronic cigarettes (e-cigs). This study explored the effectiveness of aPDT as an adjunct to mechanical debridement (MD) in the treatment of peri-implant mucositis (p-iM) in individuals vaping e-cigs. METHODS: Vaping individuals with p-iM were divided into 2 groups: (a) Group-I: receiving MD with aPDT (test group); and (b) Group-II: MD only (control group)...
March 14, 2018: Photodiagnosis and Photodynamic Therapy
William V Lechner, Cara M Murphy, Suzanne M Colby, Tim Janssen, Michelle L Rogers, Kristina M Jackson
INTRODUCTION: Cognitive susceptibility to cigarette smoking has been demonstrated to predict future cigarette initiation in adolescents. Examining this construct prior to tobacco product initiation may provide useful information on the differential risk of individuals initiating cigarette vs. e-cigarette products. Additionally, examining how susceptibility and tobacco product use relate to perceived harm cognitions will increase understanding of risk predisposition among adolescents. METHOD: Data were taken from a longitudinal study of middle school students (n = 1023; age = 12...
March 6, 2018: Addictive Behaviors
Zachary T Bitzer, Reema Goel, Samantha M Reilly, Ryan J Elias, Alexey Silakov, Jonathan Foulds, Joshua Muscat, John P Richie
BACKGROUND: Flavoring chemicals, or flavorants, have been used in electronic cigarettes (e-cigarettes) since their inception; however, little is known about their toxicological effects. Free radicals present in e-cigarette aerosols have been shown to induce oxidative stress resulting in damage to proliferation, survival, and inflammation pathways in the cell. Aerosols generated from e-liquid solvents alone contain high levels of free radicals but few studies have looked at how these toxins are modulated by flavorants...
March 13, 2018: Free Radical Biology & Medicine
Ashley N Dowd, Courtney A Motschman, Stephen T Tiffany
Introduction: Craving may represent core motivational processes in tobacco dependence, but there is no psychometrically evaluated measure of craving for e-cigarettes (vaping craving). This research developed and validated a brief measure of vaping craving. Methods: The measure was evaluated in two studies. In Study 1, a 42-item questionnaire assessing a wide range of vaping craving content was administered to 209 current e-cigarette users. In Study 2, a 10-item questionnaire derived from Study 1 results was administered to 224 current e-cigarette users...
March 12, 2018: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
Kristen Emory, Francisco O Buchting, Dennis R Trinidad, Lisa Vera, Sherry L Emery
Background: LGBT populations use tobacco at disparately higher rates nationwide, compared to national averages. The tobacco industry has a history targeting LGBT with marketing efforts, likely contributing to this disparity. This study explores whether exposure to tobacco content on traditional and social media is associated with tobacco use among LGBT and non-LGBT. Methods: This study reports results from LGBT (N=1,092) and non-LGBT (N=16,430) respondents to a 2013 nationally representative cross-sectional online survey of US adults (N=17,522)...
March 12, 2018: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
Grace Kong, Karissa E Kuguru, Suchitra Krishnan-Sarin
Purpose of Review: This study aims to review the recent (2012-2017) available gender difference data on e-cigarette use among adolescents. Recent Findings: E-cigarettes are the most commonly used tobacco product among adolescents, and recent study findings showed that e-cigarette use can lead to cigarette smoking. However, gender differences in e-cigarette use among adolescents are relatively unknown. Summary: We used the search terms "adolescents" and "e-cigarettes" on PubMed and identified 652 articles...
December 2017: Current Addiction Reports
Israel Agaku, Satomi Odani, Constantine Vardavas, Linda Neff
BACKGROUND: We investigated tobacco-related self-identity and risk perceptions among adolescent tobacco users. METHODS: Data were analyzed for 20 675 US sixth- to 12th-graders from the 2016 National Youth Tobacco Survey. Students who reported past-30-day use of a specific tobacco product or ≥2 products but denied having used "any tobacco product" in the past 30 days were classified as not self-identifying as tobacco users. Tobacco product harm perceptions were further assessed across products...
March 15, 2018: Pediatrics
Bjoern Titz, Ulrike Kogel, Florian Martin, Walter K Schlage, Yang Xiang, Catherine Nury, Sophie Dijon, Karine Baumer, Dariusz Peric, David Bornand, Remi Dulize, Blaine Phillips, Patrice Leroy, Gregory Vuillaume, Stefan Lebrun, Ashraf Elamin, Emmanuel Guedj, Keyur Trivedi, Nikolai V Ivanov, Patrick Vanscheeuwijck, Manuel C Peitsch, Julia Hoeng
Modified risk tobacco products (MRTPs) have the potential to reduce smoking-related health risks. The Carbon Heated Tobacco Product 1.2 (CHTP1.2) is a potential MRTP that uses a pressed carbon heat source to generate an aerosol by heating tobacco. Here, we report the results from the systems toxicology arm of a 90-day rat inhalation study (OECD test guideline 413) to assess the effects of CHTP1.2 aerosol compared with cigarette smoke (CS). Transcriptomics, proteomics, and lipidomics analyses complemented the standard endpoints...
March 12, 2018: Food and Chemical Toxicology
Samane Zare, Mehdi Nemati, Yuqing Zheng
OBJECTIVE: Systematic review of research examining consumer preference for the main electronic cigarette (e-cigarette) attributes namely flavor, nicotine strength, and type. METHOD: A systematic search of peer-reviewed articles resulted in a pool of 12,933 articles. We included only articles that meet all the selection criteria: (1) peer-reviewed, (2) written in English, and (3) addressed consumer preference for one or more of the e-cigarette attributes including flavor, strength, and type...
2018: PloS One
Pieter Van Dessel, Colin Tucker Smith, Jan De Houwer
Graphic warnings (GWs) on cigarette packs are widely used internationally with the aim of reducing smoking behavior. In the current study, we investigated whether GWs influence implicit evaluations of smoking, a potential moderator of smoking behavior, as measured with an Implicit Association Test (IAT). Results showed that viewing a GW did not produce more negative implicit evaluations of smoking for daily smokers, occasional smokers, or non-smokers, compared to viewing a text-only warning. If anything, effects were in the direction of evaluations of smoking being more positive after certain participants (i...
2018: PloS One
Kristy Marynak, Andrea Gentzke, Teresa W Wang, Linda Neff, Brian A King
Electronic cigarettes (e-cigarettes) are the most commonly used tobacco product among U.S. middle and high school students (1). Exposure to e-cigarette advertisements is associated with higher odds of current e-cigarette use among middle and high school students (2-4). To assess patterns of self-reported exposure to four e-cigarette advertising sources (retail stores, the Internet, television, and newspapers and magazines), CDC analyzed data from the 2014, 2015, and 2016 National Youth Tobacco Surveys (NYTSs)...
March 16, 2018: MMWR. Morbidity and Mortality Weekly Report
Evgeny J Chumin, Joaquín Goñi, Meredith E Halcomb, Timothy C Durazzo, Mario Džemidžić, Karmen K Yoder
BACKGROUND: Diffusion weighted imaging (DWI) has been widely used to investigate the integrity of white matter (WM; indexed by fractional anisotropy, FA) in alcohol dependence and cigarette smoking. These disorders are highly comorbid, yet cigarette use has often not been adequately controlled in neuroimaging studies of alcohol dependent populations. In addition, information on white matter deficits in currently drinking, nontreatment-seeking (NTS) individuals with alcohol dependence is limited...
March 15, 2018: Alcoholism, Clinical and Experimental Research
Ziyad Ben Taleb, Mohammad Ebrahimi Kalan
No abstract text is available yet for this article.
March 14, 2018: Tobacco Control
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