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https://www.readbyqxmd.com/read/28934595/copd-alters-immune-cell-composition-and-immune-checkpoint-inhibitor-efficacy-in-nsclc
#1
Nicholas M Mark, Julia Kargl, Stephanie E Busch, Grace H Y Yang, Heather E Metz, Huajia Zhang, Jesse J Hubbard, Sudhakar N J Pipavath, David K Madtes, A McGarry Houghton
RATIONALE: Chronic obstructive pulmonary disease (COPD) and non-small cell lung cancer (NSCLC) are interrelated diseases with substantial mortality; the pathogenesis of both involves aberrant immune functioning. OBJECTIVE: To profile the immune cell composition and function in patients with NSCLC and describe the effect of COPD on lung and tumor microenvironments. METHODS: We profiled resected lung and tumor tissue using flow cytometry and T-cell receptor sequencing in patients with and without COPD from a prospective cohort of patients undergoing resection of NSCLC...
September 21, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28934249/variability-in-objective-and-subjective-measures-affects-baseline-values-in-studies-of-patients-with-copd
#2
Wayne H Anderson, Jae Wook Ha, David J Couper, Wanda K O'Neal, R Graham Barr, Eugene R Bleecker, Elizabeth E Carretta, Christopher B Cooper, Claire M Doerschuk, M Bradley Drummond, MeiLan K Han, Nadia N Hansel, Victor Kim, Eric C Kleerup, Fernando J Martinez, Stephen I Rennard, Donald Tashkin, Prescott G Woodruff, Robert Paine, Jeffrey L Curtis, Richard E Kanner
RATIONALE: Understanding the reliability and repeatability of clinical measurements used in the diagnosis, treatment and monitoring of disease progression is of critical importance across all disciplines of clinical practice and in clinical trials to assess therapeutic efficacy and safety. OBJECTIVES: Our goal is to understand normal variability for assessing true changes in health status and to more accurately utilize this data to differentiate disease characteristics and outcomes...
2017: PloS One
https://www.readbyqxmd.com/read/28934079/direct-marketing-promotion-and-electronic-cigarette-use-among-us-adults-national-adult-tobacco-survey-2013-2014
#3
Hongying Dai, Jianqiang Hao
INTRODUCTION: The use of electronic cigarettes (e-cigarettes) among US adults has increased since 2007. The objective of this study was to investigate the prevalence of direct marketing promotion of e-cigarettes and its association with e-cigarette use among US adults. METHODS: We used using data from the 2013-2014 National Adult Tobacco Survey (NATS) to estimate prevalence of e-cigarette promotions received by mail or email. Multinomial logistic regression was used to examine the associations between e-cigarette promotions and the prevalence and frequency of e-cigarette use among US adults...
September 21, 2017: Preventing Chronic Disease
https://www.readbyqxmd.com/read/28933362/male-infertility-the-effect-of-natural-antioxidants-and-phytocompounds-on-seminal-oxidative-stress
#4
REVIEW
Malik Adewoyin, Muhammad Ibrahim, Ramli Roszaman, Muhammad Lokman Md Isa, Nur Aizura Mat Alewi, Ainin Azwani Abdul Rafa, Mohd Nur Nasyriq Anuar
Defective sperm function has been identified as the most common cause of infertility. The objective of this study was to review recent findings on the effects of various antioxidants on male fertility. High amounts of poly unsaturated fatty acid are found in the mammalian spermatozoa membranes, thereby making them susceptible to lipid peroxidation. Although, free radicals and reactive oxygen species (ROS) play major roles in reproduction, they are strongly associated with oxidative stress. Furthermore, factors such as obesity, inflammation, pollutants and cigarette smoking are negatively correlated with spermatogenesis...
March 1, 2017: Diseases (Basel)
https://www.readbyqxmd.com/read/28932027/influence-of-legislations-and-news-on-indian-internet-search-query-patterns-of-e-cigarettes
#5
Rooban Thavarajah, Anusa Arunachalam Mohandoss, Kannan Ranganathan, Srinivas Kondalsamy-Chennakesavan
BACKGROUND: There is a paucity of data on the use of electronic nicotine delivery systems (ENDS) in India. In addition, the Indian internet search pattern for ENDS has not been studied. We aimed to address this lacuna. Moreover, the influence of the tobacco legislations and news pieces on such search volume is not known. Given the fact that ENDS could cause oral lesions, these data are pertinent to dentists. METHODS: Using a time series analysis, we examined the effect of tobacco-related legislations and news pieces on total search volume (TSV) from September 1, 2012, to August 31, 2016...
May 2017: Journal of Oral and Maxillofacial Pathology: JOMFP
https://www.readbyqxmd.com/read/28931527/sympathomimetic-effects-of-acute-e-cigarette-use-role-of-nicotine-and-non-nicotine-constituents
#6
Roya S Moheimani, May Bhetraratana, Kacey M Peters, Benjamin K Yang, Fen Yin, Jeffrey Gornbein, Jesus A Araujo, Holly R Middlekauff
BACKGROUND: Chronic electronic (e) cigarette users have increased resting cardiac sympathetic nerve activity and increased susceptibility to oxidative stress. The purpose of the present study is to determine the role of nicotine versus non-nicotine constituents in e-cigarette emissions in causing these pathologies in otherwise healthy humans. METHODS AND RESULTS: Thirty-three healthy volunteers who were not current e-cigarette or tobacco cigarette smokers were studied...
September 20, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28930715/cigarette-smoking-attenuates-kidney-protection-by-angiotensin-converting-enzyme-inhibition-in-nondiabetic-chronic-kidney-disease
#7
Bethany Roehm, Jan Simoni, Jessica Pruszynski, Donald E Wesson
BACKGROUND: Cigarette smoking exacerbates the estimated glomerular filtration rate (eGFR) decline in nondiabetic chronic kidney disease (CKD) despite the kidney protection that is achieved by angiotensin converting enzyme inhibition (ACEI). Whether smoking cessation restores ACEI-related kidney protection is not known. METHODS: This 5-year, prospective, prevention trial recruited 108 smokers and 108 nonsmokers with stage-2 nondiabetic CKD with primary hypertension and urine albumin-to-creatinine ratio (Ualb) >200 mg/g...
September 21, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28930436/development-of-a-cigarette-tobacco-filler-standard-reference-material
#8
Lane C Sander, Jeanita S Pritchett, Yasmine C Daniels, Laura J Wood, Brian E Lang, Stephen A Wise, James H Yen, Tricia L Johnson, Matthew J Walters, Tracy Phillips, Matthew R Holman, Grace E Lee, Joseph G Lisko, Brian Lane, Liza Valentin-Blasini, Clifford Watson
A new tobacco filler Standard Reference Material (SRM) has been issued by the National Institute of Standards and Technology (NIST) in September 2016 with certified and reference mass fraction values for nicotine, N-nitrosonornicotine, 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone, and volatiles. The constituents have been determined by multiple analytical methods with measurements at NIST and at the Centers for Disease Control and Prevention, and with confirmatory measurements by commercial laboratories. This effort highlights the development of the first SRM for reduced nicotine and reduced tobacco-specific nitrosamines with certified values for composition...
September 20, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28928940/comparison-of-color-discrimination-in-chronic-heavy-smokers-and-healthy-subjects
#9
Thiago Monteiro de Paiva Fernandes, Natanael Antonio Dos Santos
Background: Cigarette smoke is probably the most significant source of exposure to toxic chemicals for humans, involving health-damaging components, such as nicotine, hydrogen cyanide and formaldehyde. The aim of the present study was to assess the influence of chronic heavy smoking on color discrimination (CD). Methods: All subjects were free of any neuropsychiatric disorder, identifiable ocular disease and had normal acuity. No abnormalities were detected in the fundoscopic examination and in the optical coherence tomography exam...
2017: F1000Research
https://www.readbyqxmd.com/read/28928313/youth-tobacco-use-in-south-east-asia-implications-for-tobacco-epidemic-and-options-for-its-control-in-the-region
#10
REVIEW
Manju Rani, Thaksaphon Thamarangsi, Naveen Agarwal
Nearly half of all male population and two in every five females in the WHO South-East Asia Region (SEAR) consume some form of tobacco. Preventing initiation among adolescents is critical for overall tobacco control. We assessed the trends in youth tobacco use and policies in SEAR. Data are used from school-based youth (Global Youth Tobacco Survey and global school student-based health survey) and adult (Global Adult Tobacco Survey, STEPS) tobacco surveys and the WHO Framework of Convention of Tobacco Control (FCTC) implementation database...
September 2017: Indian Journal of Public Health
https://www.readbyqxmd.com/read/28927583/differences-in-decision-making-as-a-function-of-drug-of-choice
#11
REVIEW
Joshua L Gowin, Matthew E Sloan, Vijay A Ramchandani, Martin P Paulus, Scott D Lane
Poor decision-making is a central feature of all substance use disorders (SUD), but substances vary in the legal and health consequences associated with their use. For example, while the negative health consequences associated with cigarette smoking are often years away, the consequences of heroin abuse can be fatal in mere hours. It remains unclear if users of these substances show decision-making patterns that differ with the relative riskiness of their drug of choice. To address this question, we reviewed studies that compared decision-making of individuals using different substances...
September 16, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28927321/do-current-and-former-cigarette-smokers-have-an-attentional-bias-for-e-cigarette-cues
#12
Kirsten Lochbuehler, E Paul Wileyto, Kathy Z Tang, Melissa Mercincavage, Joseph N Cappella, Andrew A Strasser
The similarity of e-cigarettes to tobacco cigarettes with regard to shape and usage raises the question of whether e-cigarette cues have the same incentive motivational properties as tobacco cigarette cues. The objective of the present study was to examine whether e-cigarette cues capture and hold smokers' and former smokers' attention and whether the attentional focus is associated with subsequent craving for tobacco cigarettes. It was also examined whether device type (cigalike or mod) moderated this relationship...
September 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28922371/the-association-between-cigarette-smoking-and-inflammation-the-genetic-epidemiology-network-of-arteriopathy-genoa-study
#13
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/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
#14
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/28917867/nanocrystalline-cellulose-isolated-from-discarded-cigarette-filters
#15
Segun A Ogundare, Vashen Moodley, Werner E van Zyl
We report the isolation of nanocrystalline cellulose (NCC) produced from discarded cigarette filters (DCF). The DCF were processed into cellulose via ethanolic extraction, hypochlorite bleaching, alkaline deacetylation, and then converted into NCC by sulfuric acid hydrolysis. The morphological structures of the isolated NCC established with TEM showed that the nanocrystals were needle-like with a mean length of 143nm. FEGSEM showed the morphological transition of the micro-sized DCF to self-assembled NCC while EDX revealed the presence of Ti (as TiO2) in DCF, which was retained in the NCC...
November 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28917098/can-attitudes-about-smoking-impact-cigarette-cravings
#16
Lauren Bertin, Samara Lipsky, Joel Erblich
Cigarette cravings, especially those in response to environmental stressors and other smoking-related triggers (e.g., passing by a favorite smoking spot), are important contributors to smoking behavior and relapse. Previous studies have demonstrated significant individual differences in such cravings. This study explores the possibility that attitudes about smoking can influence the experience of cigarette craving. Consistent with classical theories of the links between cognition and motivation, we predicted that smokers who exhibit more favorable attitudes towards smoking would have greater cravings...
September 8, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28915519/-e-cigarettes-on-everyone-s-lips-current-representative-data-on-use-among-adolescents-and-adults
#17
Sven Schneider, Tatiana Görig, Laura Schilling, Katharina Diehl
Background International data suggest an increase in e-cigarette use. However, there are still significant deficits in the reporting of its current prevalence. The present study reports representative data on e-cigarette use that make it possible to differentiate users both by the nicotine content of the e-cigarette liquids being used and by their smoking status. Methods and material The underlying data are taken from the National Cancer Aid Monitoring (NCAM). In its first wave, 3000 persons aged between 14 and 45 were interviewed by telephone...
September 15, 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28915478/studying-the-interactive-effects-of-menthol-and-nicotine-among-youth-an-examination-using-e-cigarettes
#18
Suchitra Krishnan-Sarin, Barry G Green, Grace Kong, Dana A Cavallo, Peter Jatlow, Ralitza Gueorguieva, Eugenia Buta, Stephanie S O'Malley
BACKGROUND: Tobacco products containing menthol are widely used by youth. We used e-cigarettes to conduct an experimental evaluation of the independent and interactive effects of menthol and nicotine among youth. PROCEDURES: Pilot chemosensory experiments with fourteen e-cigarette users identified low (barely perceptible, 0.5%) and high (similar to commercial e-liquid, 3.5%) menthol concentrations. Sixty e-cigarette users were randomized to a nicotine concentration (0mg/ml, 6mg/ml, 12mg/ml) and participated in 3 laboratory sessions...
August 31, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28914220/-leading-cause-of-death-in-young-dutch-people-the-cigarette
#19
C M M Reep-van den Bergh, P P M Harteloh, E A Croes
OBJECTIVE: To investigate the impact of smoking on premature death in the Netherlands and the difference between causes of death for smokers and non-smokers. DESIGN: Observational cohort study. METHOD: Data on smoking behaviour were obtained from 40,000 people who participated in the CBS (Statistics Netherlands) health survey between 2001-2006. These data were linked to data on death and cause of death for the 10 years following this questionnaire...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28912826/can-yesterday-s-smoking-research-inform-today-s-shiftwork-research-epistemological-consequences-for-exposures-and-doses-due-to-circadian-disruption-at-and-off-work
#20
Thomas C Erren, Philip Lewis
In 1950, landmark epidemiology studies by Wynder & Graham and Doll & Hill contributed to identifying smoking as a potent carcinogen. In 2007, IARC classified shiftwork involving circadian disruption (CD) as probably carcinogenic; however, epidemiological evidence in regards to the carcinogenicity of shiftwork that involves nightwork is conflicting. We hypothesize that shiftwork research is lacking chronobiological and methodological rigor and that lessons can be learned from comparison with smoking research...
2017: Journal of Occupational Medicine and Toxicology
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