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Möller C, Virzi J, Chang YJ, Keidel A, Chao MR, Hu CW, Cooke MS. DNA modifications: Biomarkers for the exposome? ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2024; 108:104449. [PMID: 38636743 DOI: 10.1016/j.etap.2024.104449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 03/25/2024] [Accepted: 04/12/2024] [Indexed: 04/20/2024]
Abstract
The concept of the exposome is the encompassing of all the environmental exposures, both exogenous and endogenous, across the life course. Many, if not all, of these exposures can result in the generation of reactive species, and/or the modulation of cellular processes, that can lead to a breadth of modifications of DNA, the nature of which may be used to infer their origin. Because of their role in cell function, such modifications have been associated with various major human diseases, including cancer, and so their assessment is crucial. Historically, most methods have been able to only measure one or a few DNA modifications at a time, limiting the information available. With the development of DNA adductomics, which aims to determine the totality of DNA modifications, a far more comprehensive picture of the DNA adduct burden can be gained. Importantly, DNA adductomics can facilitate a "top-down" investigative approach whereby patterns of adducts may be used to trace and identify the originating exposure source. This, together with other 'omic approaches, represents a major tool for unraveling the complexities of the exposome and hence allow a better a understanding of the environmental origins of disease.
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Affiliation(s)
- Carolina Möller
- Oxidative Stress Group, Department of Molecular Biosciences, University of South Florida, Tampa, FL 33620, USA.
| | - Jazmine Virzi
- Oxidative Stress Group, Department of Molecular Biosciences, University of South Florida, Tampa, FL 33620, USA
| | - Yuan-Jhe Chang
- Department of Occupational Safety and Health, Chung Shan Medical University, Taichung 402, Taiwan
| | - Alexandra Keidel
- Oxidative Stress Group, Department of Molecular Biosciences, University of South Florida, Tampa, FL 33620, USA
| | - Mu-Rong Chao
- Department of Occupational Safety and Health, Chung Shan Medical University, Taichung 402, Taiwan; Department of Occupational Medicine, Chung Shan Medical University Hospital, Taichung 402, Taiwan
| | - Chiung-Wen Hu
- Department of Public Health, Chung Shan Medical University, Taichung 402, Taiwan
| | - Marcus S Cooke
- Oxidative Stress Group, Department of Molecular Biosciences, University of South Florida, Tampa, FL 33620, USA; College of Public Health, University of South Florida, Tampa, FL 33620, USA; Cancer Biology and Evolution Program, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA.
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Le HHTC, Ngo HKT, Hieu LS, Sly PD, Phung D, Le An P, Vinh NN, Dang TN, Thuong DTH, Thanh HN, Thai PK. Indoor air pollution is associated with respiratory symptoms in children in urban Vietnam. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 917:170556. [PMID: 38296088 DOI: 10.1016/j.scitotenv.2024.170556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 01/07/2024] [Accepted: 01/27/2024] [Indexed: 02/05/2024]
Abstract
Exposure to indoor air pollution (IAP) is a leading environmental risk for respiratory diseases. We investigated the relationship between respiratory symptoms and polluting indoor activities such as smoking, cooking and contact with pets among children in Ho Chi Minh City (HCMC), Vietnam. A cross-sectional survey applied a multistage sampling method in 24 randomly selected secondary schools across the city. Approximately 15,000 students completed self-administrated questionnaires on risk factors and respiratory health outcomes within the preceding 12 months. Data were analyzed using a multivariable logistic regression model with robust standard errors. Wheeze was the most common respiratory symptom (39.5 %) reported, followed by sneezing and runny nose (28.3 %). A small percentage of students self-reported asthma (8.6 %). Approximately 56 % of participants lived with family members who smoked. A positive association between exposure to indoor secondhand smoke and respiratory symptoms was observed, with adjusted odds ratios (aOR) of 1.41 (95 % CI: 1.25-1.60, p < 0.001) for wheezing and 1.64 (95 % CI: 1.43-1.87, p < 0.001) for sneezing and runny nose, respectively. Using an open stove fuelled by coal, wood, or kerosene for cooking was associated with wheeze (aOR: 1.36, CI 95 %: 1.10-1.68, p = 0.01) and sneezing and runny nose (aOR: 1.36, CI 95 %: 1.09-1.69, p = 0.01). In the present study, IAP was associated with adverse health outcomes, as evidenced by an increase in respiratory symptoms reported within the previous 12 months.
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Affiliation(s)
- Hong H T C Le
- Children's Health and Environment Program, Child Health Research Centre, The University of Queensland, Australia
| | - Hieu K T Ngo
- Faculty of Public Health, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh, Viet Nam
| | - Le Sy Hieu
- Faculty of Public Health, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh, Viet Nam
| | - Peter D Sly
- Children's Health and Environment Program, Child Health Research Centre, The University of Queensland, Australia
| | - Dung Phung
- School of Public Health, The University of Queensland, Australia
| | - Pham Le An
- Centre for the Training of Family Medicine, Faculty of Medicine, University of Medicine and Pharmacy at Ho Chi Minh City, Viet Nam; Science and Technology Department, University of Medicine and Pharmacy at Ho Chi Minh City, Viet Nam.
| | - Nguyen Nhu Vinh
- Centre for the Training of Family Medicine, Faculty of Medicine, University of Medicine and Pharmacy at Ho Chi Minh City, Viet Nam
| | - Tran Ngoc Dang
- Faculty of Public Health, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh, Viet Nam
| | - Do Thi Hoai Thuong
- Science and Technology Department, University of Medicine and Pharmacy at Ho Chi Minh City, Viet Nam
| | - Huynh Ngoc Thanh
- Faculty of Public Health, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh, Viet Nam
| | - Phong K Thai
- Queensland Alliance for Environmental Health Sciences (QAEHS), The University of Queensland, Australia
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Lehtovirta M, Pahkala K, Rovio SP, Magnussen CG, Laitinen TT, Niinikoski H, Lagström H, Viikari JSA, Rönnemaa T, Jula A, Ala-Korpela M, Raitakari OT. Association of tobacco smoke exposure with metabolic profile from childhood to early adulthood: the Special Turku Coronary Risk Factor Intervention Project. Eur J Prev Cardiol 2024; 31:103-115. [PMID: 37655930 DOI: 10.1093/eurjpc/zwad285] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 08/04/2023] [Accepted: 08/29/2023] [Indexed: 09/02/2023]
Abstract
AIMS To investigate the associations between passive tobacco smoke exposure and daily smoking with a comprehensive metabolic profile, measured repeatedly from childhood to adulthood. METHODS AND RESULTS Study cohort was derived from the Special Turku Coronary Risk Factor Intervention Project (STRIP). Smoking status was obtained by questionnaire, while serum cotinine concentrations were measured using gas chromatography. Metabolic measures were quantified by nuclear magnetic resonance metabolomics at 9 (n = 539), 11 (n = 536), 13 (n = 525), 15 (n = 488), 17 (n = 455), and 19 (n = 409) years. Association of passive tobacco smoke exposure with metabolic profile compared participants who reported less-than-weekly smoking and had serum cotinine concentration <1 ng/mL (no exposure) with those whose cotinine concentration was ≥10 ng/mL (passive tobacco smoke exposure). Associations of daily smoking with metabolic profile in adolescence were analysed by comparing participants reporting daily smoking with those reporting no tobacco use and having serum cotinine concentrations <1 ng/mL. Passive tobacco smoke exposure was directly associated with the serum ratio of monounsaturated fatty acids to total fatty acids [β = 0.34 standard deviation (SD), (0.17-0.51), P < 0.0001] and inversely associated with the serum ratios of polyunsaturated fatty acids. Exposure to passive tobacco smoke was directly associated with very-low-density lipoprotein particle size [β = 0.28 SD, (0.12-0.45), P = 0.001] and inversely associated with HDL particle size {β = -0.21 SD, [-0.34 to -0.07], P = 0.003}. Daily smokers exhibited a similar metabolic profile to those exposed to passive tobacco smoke. These results persisted after adjusting for body mass index, STRIP study group allocation, dietary target score, pubertal status, and parental socio-economic status. CONCLUSION Both passive and active tobacco smoke exposures during childhood and adolescence are detrimentally associated with circulating metabolic measures indicative of increased cardio-metabolic risk.
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Affiliation(s)
- Miia Lehtovirta
- Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Kiinamyllynkatu 10, Turku FI-20520, Finland
- Centre for Population Health Research, Turku University Hospital, University of Turku, Turku, Finland
| | - Katja Pahkala
- Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Kiinamyllynkatu 10, Turku FI-20520, Finland
- Centre for Population Health Research, Turku University Hospital, University of Turku, Turku, Finland
- Paavo Nurmi Centre, Unit for Health and Physical Activity, University of Turku, Turku, Finland
| | - Suvi P Rovio
- Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Kiinamyllynkatu 10, Turku FI-20520, Finland
- Centre for Population Health Research, Turku University Hospital, University of Turku, Turku, Finland
| | - Costan G Magnussen
- Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Kiinamyllynkatu 10, Turku FI-20520, Finland
- Centre for Population Health Research, Turku University Hospital, University of Turku, Turku, Finland
- Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
| | - Tomi T Laitinen
- Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Kiinamyllynkatu 10, Turku FI-20520, Finland
- Centre for Population Health Research, Turku University Hospital, University of Turku, Turku, Finland
- Paavo Nurmi Centre, Unit for Health and Physical Activity, University of Turku, Turku, Finland
| | - Harri Niinikoski
- Centre for Population Health Research, Turku University Hospital, University of Turku, Turku, Finland
- Department of Pediatrics and Adolescent Medicine, Turku University Hospital, University of Turku, Turku, Finland
| | - Hanna Lagström
- Centre for Population Health Research, Turku University Hospital, University of Turku, Turku, Finland
- Department of Public Health, Turku University Hospital, University of Turku, Turku, Finland
| | - Jorma S A Viikari
- Division of Medicine, Turku University Hospital, Turku, Finland
- Department of Medicine, University of Turku, Turku, Finland
| | - Tapani Rönnemaa
- Division of Medicine, Turku University Hospital, Turku, Finland
- Department of Medicine, University of Turku, Turku, Finland
| | - Antti Jula
- Department of Chronic Disease Prevention, Institute for Health and Welfare, Turku, Finland
| | - Mika Ala-Korpela
- Systems Epidemiology, Research Unit of Population Health, Faculty of Medicine, University of Oulu & Biocenter Oulu, Oulu, Finland
- NMR Metabolomics Laboratory, School of Pharmacy, University of Eastern Finland, Kuopio, Finland
| | - Olli T Raitakari
- Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Kiinamyllynkatu 10, Turku FI-20520, Finland
- Centre for Population Health Research, Turku University Hospital, University of Turku, Turku, Finland
- Department of Clinical Physiology and Nuclear Medicine, Turku University Hospital, Turku, Finland
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Ye H, Yang X, Hanna F. The Impact of Prenatal Environmental Tobacco Smoking (ETS) and Exposure on Chinese Children: A Systematic Review. CHILDREN (BASEL, SWITZERLAND) 2023; 10:1354. [PMID: 37628353 PMCID: PMC10453662 DOI: 10.3390/children10081354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 07/28/2023] [Accepted: 08/04/2023] [Indexed: 08/27/2023]
Abstract
Background: There is considerable evidence to support the association between exposure to environmental tobacco smoke (ETS) and children's burden of disease. However, the literature on the health outcomes of prenatal ETS exposure among Chinese children has not yet been comprehensively reviewed. Objective: This systematic review examines the currently available evidence and identifies gaps for further research on the health consequences of prenatal ETS exposure on Chinese children. Methods: Following the JBI systematic-scoping review methodological framework, we conducted a computer-aided search of three electronic databases-PubMed, EBSCOhost, and ProQuest to include studies from January 2011 to May 2023 that addressed the health outcomes of Chinese children whose mothers were exposed to ETS at any stage of pregnancy. Furthermore, a methodological quality assessment of the selected articles was conducted using JBI critical appraisal checklists. Results: A total of 30 articles were reviewed, including eleven high-quality studies and nineteen moderate-quality studies. Five main themes, including hypertension, fetal and children's development, behavioural disorders, respiratory outcomes, and "other health outcomes", were encompassed. The majority of the studies showed a positive link between prenatal ETS exposure and an increased risk of preterm birth, and moderate risk of fetal growth restriction. A few studies explored other potential adverse outcomes of ETS, including hypertension, respiratory morbidity, lung function, and asthma in children. Conclusions: The currently available evidence on prenatal ETS exposure in Chinese children has unveiled a wide range of health outcomes, including preterm birth, fetal development, behavioural disorders, and much more. However, Chinese studies in this area are still lacking and a gap still exists in relation to the strength of association between prenatal ETS exposure and some health risks. Efficient anti-smoking policies and smoking cessation programs should be developed to promote maternal and child health. Further research is also needed to provide better evidence in this field.
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Affiliation(s)
| | | | - Fahad Hanna
- Public Health Program, Department of Health and Education, Torrens University Australia, Melbourne, VIC 3000, Australia; (H.Y.); (X.Y.)
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Robin RC, Noosorn N. A harm reduction model for environmental tobacco smoke exposure among Bangladeshi rural household children: A modified Delphi technique approach. PLoS One 2023; 18:e0276424. [PMID: 36795709 PMCID: PMC9934442 DOI: 10.1371/journal.pone.0276424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Accepted: 09/13/2022] [Indexed: 02/17/2023] Open
Abstract
This paper aimed to develop a harm reduction model to reduce exposure to environmental tobacco smoke among children of rural households in Bangladesh. A mixed-methods exploratory sequential design has been applied, and data has been collated from six randomly selected villages of Munshigonj district, Bangladesh. The research was divided into three phases. In the first phase, the problem was identified through key informant interviews and a cross-sectional study. In the second phase, the model was developed by focus group discussion, and in the third phase, the model was evaluated through the modified Delphi technique. The data was analyzed by thematic analysis and multivariate logistic regression in phase one, qualitative content analysis for phase two, and descriptive statistics in phase three. The key informant interviews showed attitude toward environmental tobacco smoke, lack of awareness, inadequate knowledge as a reason and smoke-free rules, religious beliefs, social norms, and social awareness as preclusion of environmental tobacco smoke. The cross-sectional study detected that households with no smoker (OR 0.006, 95% CI 0.002-0.021), high implantation of smoke-free household rules (OR 0.005, 95% CI 0.001-0.058), moderate (OR 0.045, 95% CI 0.004-0.461) to strong (OR 0.023, 95% CI 0.002-0.224) influence of social norm and culture along with neutral (OR 0.024, 95% CI 0.001-0.510) and positive (OR 0.029, 95% CI 0.001-0.561) peer pressure had been significantly associated with environmental tobacco smoke exposure. The final components of the harm reduction model consist of a smoke-free household, social norms and culture, peer support, social awareness and religious practice identified by the FGDs and modified Delphi technique.
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Affiliation(s)
- Rishad Choudhury Robin
- Faculty of Public Health, Naresuan University, Phitsanulok, Thailand
- Shomman Foundation, Dhaka, Bangladesh
| | - Narongsak Noosorn
- Faculty of Public Health, Naresuan University, Phitsanulok, Thailand
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Merianos AL, Mahabee-Gittens EM, Stone TM, Jandarov RA, Wang L, Bhandari D, Blount BC, Matt GE. Distinguishing Exposure to Secondhand and Thirdhand Tobacco Smoke among U.S. Children Using Machine Learning: NHANES 2013-2016. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:2042-2053. [PMID: 36705578 PMCID: PMC10230650 DOI: 10.1021/acs.est.2c08121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
While the thirdhand smoke (THS) residue from tobacco smoke has been recognized as a distinct public health hazard, there are currently no gold standard biomarkers to differentiate THS from secondhand smoke (SHS) exposure. This study used machine learning algorithms to assess which combinations of biomarkers and reported tobacco smoke exposure measures best differentiate children into three groups: no/minimal tobacco smoke exposure (NEG); predominant THS exposure (TEG); and mixed SHS and THS exposure (MEG). Participants were 4485 nonsmoking 3-17-year-olds from the National Health and Nutrition Examination Survey 2013-2016. We fitted and tested random forest models, and the majority (76%) of children were classified in NEG, 16% were classified in TEG, and 8% were classified in MEG. The final classification model based on reported exposure, biomarker, and biomarker ratio variables had a prediction accuracy of 95%. This final model had prediction accuracies of 100% for NEG, 88% for TEG, followed by 71% for MEG. The most important predictors were the reported number of household smokers, serum cotinine, serum hydroxycotinine, and urinary 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanol (NNAL). In the absence of validated biomarkers specific to THS, comprehensive biomarker and questionnaire data for tobacco smoke exposure can distinguish children exposed to SHS and THS with high accuracy.
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Affiliation(s)
- Ashley L. Merianos
- School of Human Services, University of Cincinnati, P.O. Box 210068, Cincinnati OH, 45221, USA
| | - E. Melinda Mahabee-Gittens
- Division of Emergency Medicine, Cincinnati Children’s Hospital Medical Center, University of Cincinnati College of Medicine, 3333 Burnet Avenue, MLC 2008, Cincinnati, OH, 45229, USA
| | - Timothy M. Stone
- Division of Biostatistics and Bioinformatics, Department of Environmental and Public Health Sciences, College of Medicine, University of Cincinnati, Kettering Lab Building, 160 Panzeca Way, Cincinnati, OH, 45267-0056, USA
| | - Roman A. Jandarov
- Division of Biostatistics and Bioinformatics, Department of Environmental and Public Health Sciences, College of Medicine, University of Cincinnati, Kettering Lab Building, 160 Panzeca Way, Cincinnati, OH, 45267-0056, USA
| | - Lanqing Wang
- Tobacco and Volatiles Branch, Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Hwy NE, Atlanta, GA, 30341, USA
| | - Deepak Bhandari
- Tobacco and Volatiles Branch, Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Hwy NE, Atlanta, GA, 30341, USA
| | - Benjamin C. Blount
- Tobacco and Volatiles Branch, Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Hwy NE, Atlanta, GA, 30341, USA
| | - Georg E. Matt
- Department of Psychology, College of Sciences, San Diego State University, 9245 Sky Park Court, Suite 225, San Diego, CA, 92123, USA
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Merianos AL, Jandarov RA, Mahabee-Gittens EM. Carcinogenic and tobacco smoke-derived particulate matter biomarker uptake and associated healthcare patterns among children. Pediatr Res 2023; 93:143-153. [PMID: 35383260 PMCID: PMC9535039 DOI: 10.1038/s41390-022-02031-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 12/10/2021] [Accepted: 12/14/2021] [Indexed: 02/05/2023]
Abstract
BACKGROUND The objective was to assess the associations of child tobacco smoke exposure (TSE) biomarkers (urinary cotinine, NNAL, and nicotelline N-oxides) and parent-reported smoking and child TSE patterns with total hospital visits, pediatric emergency department (PED) visits, urgent care (UC), revisits, and hospital admissions among 0-9-year-olds. METHODS A convenience sample of PED/UC patients (N = 242) who presented to a large, US children's hospital who had baseline urine samples assayed for the TSE biomarkers of interest were included. Biomarker levels were log-transformed, and linear and Poisson regression models were built. RESULTS The geometric means of child cotinine, creatinine-adjusted NNAL, and N-oxide levels were 11.2 ng/ml, 30.9 pg/mg creatinine, and 24.1 pg/ml, respectively. The mean (SD) number of daily cigarettes smoked by parents was 10.2 (6.1) cigarettes. Each one-unit increase in log-NNAL levels was associated with an increase in total UC visits (aRR = 1.68, 95% CI = 1.18-2.39) among 0-9-year-olds, while controlling for the covariates. Each one-unit increase in child log-NNAL/cotinine ratio (×103) values was associated with an increase in total hospital visits (aRR = 1.39, 95% CI = 1.10-1.75) and UC visits (aRR = 1.56, 95% CI = 1.14-2.13) over 6 months. CONCLUSION Systematic screening for child TSE should be conducted during all hospital visits. The comprehensive assessment of TSE biomarkers should be considered to objectively measure young children's exposure. IMPACT Higher levels of cotinine, a widely used tobacco smoke exposure biomarker, have been associated with higher healthcare utilization patterns among children. Less is known on the associations of carcinogenic and tobacco smoke-derived particulate matter biomarker uptake with child healthcare utilization patterns. This study assessed the associations of several biomarkers with healthcare utilization patterns among pediatric emergency department patients ages 0-9 years who lived with tobacco smokers. Higher urinary NNAL biomarker levels, in individual and ratio form with cotinine, increased children's risk for urgent care visits over 6 months. Higher parent-reported cumulative child tobacco smoke exposure increased children's risk for hospital admissions.
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Affiliation(s)
- Ashley L Merianos
- University of Cincinnati, School of Human Services, Cincinnati, OH, USA.
| | - Roman A Jandarov
- University of Cincinnati, College of Medicine, Department of Environmental and Public Health Sciences, Division of Biostatistics and Bioinformatics, Cincinnati, OH, USA
| | - E Melinda Mahabee-Gittens
- Cincinnati Children's Hospital Medical Center, Division of Emergency Medicine, University of Cincinnati, College of Medicine, Cincinnati, OH, USA
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Zhong Q, Li Y, Mei X, Li J, Huang Y. Assessment of passive human exposure to tobacco smoke by environmental and biological monitoring in different public places in Wuhan, central China. Int J Hyg Environ Health 2022; 244:114008. [PMID: 35870316 DOI: 10.1016/j.ijheh.2022.114008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 07/08/2022] [Accepted: 07/13/2022] [Indexed: 12/01/2022]
Abstract
Passive exposure to tobacco smoke is a global public health problem, while there are few data on public place monitoring and general population exposure assessment in central China. This study aimed to examine the levels of airborne nicotine (n = 256) in ten kinds of different public places in Wuhan, central China, and assess short-term and long-term smoke exposure in 340 non-smokers aged 18-67 who worked in these public places using tobacco biomarkers [i.e., cotinine and 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanol (NNAL), respectively]. The highest median concentration of airborne nicotine (17.0 μg/m3) was observed in internet cafes, approximately 304-fold of the lowest value found in nurseries (55.9 ng/m3). Among the other studied public places, restaurants had the highest median concentrations (ng/m3) of airborne nicotine (3,120), followed by subway stations (810), hotels (624), government officess (286), middle schools (269), health institutions (268), public institutions (190), and primary schools (140). Urinary cotinine and NNAL were found in almost all the participants, and the highest concentrations were found in non-smokers from the internet cafes [specific gravity (SG)-corrected urinary median concentrations: 23.1 ng/mL, geometric mean (GM): 24.1 ng/mL, range: 0.62-1679 ng/mL] for cotinine and 104 pg/mL (GM: 97.6 pg/mL, range: 32.3-236 pg/mL) for NNAL, respectively]. Urinary cotinine concentrations in male non-smokers (median: 2.02 ng/mL) were significantly higher than those in female non-smokers (1.44) (P < 0.01). Participants aged 18-27 were detected with the highest urinary cotinine and NNAL concentrations. Urinary cotinine and NNAL concentrations were significantly correlated with daily and monthly working hours, respectively. Besides, a positive correlation was observed between log-transformed urinary concentrations of cotinine and NNAL (r = 0.32, P < 0.001). This is the first time to report matched data on airborne nicotine and urinary cotinine/NNAL among employees in different public places. This study demonstrated ubiquitous exposure to environmental tobacco smoke in the studied public places.
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Affiliation(s)
- Qing Zhong
- Institute of Health Education, Wuhan Centers for Disease Control and Prevention, Wuhan, Hubei, 430024, PR China
| | - Yilin Li
- Institute of Health Education, Wuhan Centers for Disease Control and Prevention, Wuhan, Hubei, 430024, PR China
| | - Xin Mei
- Institute of Health Education, Wuhan Centers for Disease Control and Prevention, Wuhan, Hubei, 430024, PR China
| | - Junlin Li
- Institute of Health Education, Wuhan Centers for Disease Control and Prevention, Wuhan, Hubei, 430024, PR China.
| | - Yuanxia Huang
- Institute of Health Education, Wuhan Centers for Disease Control and Prevention, Wuhan, Hubei, 430024, PR China.
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Zhang C, Lam K, Hicks P, Hicks M, Brennan L, Buka I, Hicks A. Unintentional Tobacco Smoke Exposure in Children. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19127076. [PMID: 35742325 PMCID: PMC9222355 DOI: 10.3390/ijerph19127076] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Revised: 06/07/2022] [Accepted: 06/08/2022] [Indexed: 02/04/2023]
Abstract
Secondhand smoke (SHS) exposure increases the prevalence and severity of sinopulmonary diseases in children. The primary source of SHS exposure in children is through adults who live in the same house; however, the level of exposure may vary based on the adult smoking habits at home. This prospective cross-sectional study in Alberta, Canada, investigated the relationship between self-reported caregiver smoking, location, outdoor temperature and children’s’ urine cotinine: creatinine ratio (CCR), a marker of nicotine metabolism. Participants aged 0−9 were recruited from the Child Health Clinics at the Misericordia Community Hospital in Edmonton, Alberta, from 8 January to 24 February 2016 and 30 June to 18 August 2016. Participant CCR levels were compared to caregiver-reported smoking location and environmental factors such as temperature and season. Of the 233 participants who reported smoking status, 21% reported smoking, in keeping with local smoking rates. More participants smoked indoors during the winter than the summer; however, some families limited indoor smoking to a garage. Of the 133 parent−child dyads who provided smoking information and a child urine sample, 18 had an elevated cotinine:creatinine ratio, suggestive of significant tobacco smoke exposure, 15 of whom were from homes that reported smoking. Age < 1 year and number of cigarettes smoked in the home weekly were risks for significant exposure while season, outdoor temperature and smoking location in the home did not reach significance. Smokers should be counseled to protect children, particularly infants, from exposure by limiting the number of cigarettes smoked and isolating smoking to outside the home. Segregated areas such as a garage may provide a useful harm mitigation strategy for indoor smokers, provided the garage does not share ventilation or is not in close proximity to high-traffic areas of the home.
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Affiliation(s)
- Caseng Zhang
- Faculty of Health Sciences, McMaster University, Hamilton, ON L8S 3L8, Canada;
| | - Kaden Lam
- Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada;
| | - Patrick Hicks
- Faculty of Kinesiology, Sport, and Recreation, University of Alberta, Edmonton, AB T6G 2H9, Canada;
| | - Matt Hicks
- Department of Pediatrics, University of Alberta, Edmonton, AB T6G 2H9, Canada; (M.H.); (L.B.); (I.B.)
| | - Lesley Brennan
- Department of Pediatrics, University of Alberta, Edmonton, AB T6G 2H9, Canada; (M.H.); (L.B.); (I.B.)
| | - Irena Buka
- Department of Pediatrics, University of Alberta, Edmonton, AB T6G 2H9, Canada; (M.H.); (L.B.); (I.B.)
| | - Anne Hicks
- Department of Pediatrics, University of Alberta, Edmonton, AB T6G 2H9, Canada; (M.H.); (L.B.); (I.B.)
- Correspondence: ; Tel.: +1-780-248-5650
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Odutola MK, van Leeuwen MT, Turner J, Bruinsma F, Seymour JF, Prince HM, Milliken ST, Trotman J, Verner E, Tiley C, Roncolato F, Underhill CR, Opat SS, Harvey M, Hertzberg M, Benke G, Giles GG, Vajdic CM. Associations between Smoking and Alcohol and Follicular Lymphoma Incidence and Survival: A Family-Based Case-Control Study in Australia. Cancers (Basel) 2022; 14:cancers14112710. [PMID: 35681690 PMCID: PMC9179256 DOI: 10.3390/cancers14112710] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 05/16/2022] [Accepted: 05/27/2022] [Indexed: 12/10/2022] Open
Abstract
The association between smoking and alcohol consumption and follicular lymphoma (FL) incidence and clinical outcome is uncertain. We conducted a population-based family case-control study (709 cases: 490 controls) in Australia. We assessed lifetime history of smoking and recent alcohol consumption and followed-up cases (median = 83 months). We examined associations with FL risk using unconditional logistic regression and with all-cause and FL-specific mortality of cases using Cox regression. FL risk was associated with ever smoking (OR = 1.38, 95%CI = 1.08−1.74), former smoking (OR = 1.36, 95%CI = 1.05−1.77), smoking initiation before age 17 (OR = 1.47, 95%CI = 1.06−2.05), the highest categories of cigarettes smoked per day (OR = 1.44, 95%CI = 1.04−2.01), smoking duration (OR = 1.53, 95%CI = 1.07−2.18) and pack-years (OR = 1.56, 95%CI = 1.10−2.22). For never smokers, FL risk increased for those exposed indoors to >2 smokers during childhood (OR = 1.84, 95%CI = 1.11−3.04). For cases, current smoking and the highest categories of smoking duration and lifetime cigarette exposure were associated with elevated all-cause mortality. The hazard ratio for current smoking and FL-specific mortality was 2.97 (95%CI = 0.91−9.72). We found no association between recent alcohol consumption and FL risk, all-cause or FL-specific mortality. Our study showed consistent evidence of an association between smoking and increased FL risk and possibly also FL-specific mortality. Strengthening anti-smoking policies and interventions may reduce the population burden of FL.
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Affiliation(s)
- Michael K. Odutola
- Centre for Big Data Research in Health, University of New South Wales, Sydney 2052, Australia; (M.K.O.); (M.T.v.L.)
| | - Marina T. van Leeuwen
- Centre for Big Data Research in Health, University of New South Wales, Sydney 2052, Australia; (M.K.O.); (M.T.v.L.)
| | - Jennifer Turner
- Department of Anatomical Pathology, Douglass Hanly Moir Pathology, Macquarie Park 2113, Australia;
- Department of Clinical Medicine, Faculty of Medicine, Health and Human Science, Macquarie University, North Ryde 2109, Australia
| | - Fiona Bruinsma
- Cancer Epidemiology Division, Cancer Council Victoria, Melbourne 3004, Australia; (F.B.); (G.G.G.)
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, University of Melbourne, Parkville 3010, Australia
| | - John F. Seymour
- Royal Melbourne Hospital, Melbourne 3052, Australia;
- Peter MacCallum Cancer Centre, University of Melbourne, Parkville 3010, Australia;
| | - Henry M. Prince
- Peter MacCallum Cancer Centre, University of Melbourne, Parkville 3010, Australia;
- Epworth Healthcare, Richmond 3121, Australia
| | - Samuel T. Milliken
- St. Vincent’s Hospital, Sydney 2010, Australia;
- University of New South Wales, Sydney 2052, Australia; (F.R.); (M.H.)
| | - Judith Trotman
- Concord Repatriation General Hospital, Concord 2139, Australia; (J.T.); (E.V.)
- Faculty of Medicine and Health, University of Sydney, Concord 2139, Australia
| | - Emma Verner
- Concord Repatriation General Hospital, Concord 2139, Australia; (J.T.); (E.V.)
- Faculty of Medicine and Health, University of Sydney, Concord 2139, Australia
| | - Campbell Tiley
- Gosford Hospital, Gosford 2250, Australia;
- School of Medicine and Public Health, The University of Newcastle, Newcastle 2308, Australia
| | - Fernando Roncolato
- University of New South Wales, Sydney 2052, Australia; (F.R.); (M.H.)
- St. George Hospital, Kogarah 2217, Australia
| | - Craig R. Underhill
- Rural Medical School, Albury 2640, Australia;
- Border Medical Oncology Research Unit, Albury 2640, Australia
| | - Stephen S. Opat
- Clinical Haematology, Monash Health and Monash University, Clayton 3168, Australia;
| | - Michael Harvey
- Liverpool Hospital, Liverpool 2170, Australia;
- Western Sydney University, Sydney 2000, Australia
| | - Mark Hertzberg
- University of New South Wales, Sydney 2052, Australia; (F.R.); (M.H.)
- Department of Haematology, Prince of Wales Hospital, Sydney 2031, Australia
| | - Geza Benke
- School of Public Health and Preventive Medicine, Monash University, Melbourne 3004, Australia;
| | - Graham G. Giles
- Cancer Epidemiology Division, Cancer Council Victoria, Melbourne 3004, Australia; (F.B.); (G.G.G.)
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, University of Melbourne, Parkville 3010, Australia
- Precision Medicine, School of Clinical Sciences at Monash Health, Monash University, Clayton 3168, Australia
| | - Claire M. Vajdic
- Centre for Big Data Research in Health, University of New South Wales, Sydney 2052, Australia; (M.K.O.); (M.T.v.L.)
- Kirby Institute, University of New South Wales, Sydney 2052, Australia
- Correspondence:
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11
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Kuang H, Feng J, Li Z, Tan J, Zhu W, Lin S, Pang Q, Ye Y, Fan R. Volatile organic compounds from second-hand smoke may increase susceptibility of children through oxidative stress damage. ENVIRONMENTAL RESEARCH 2022; 207:112227. [PMID: 34666018 DOI: 10.1016/j.envres.2021.112227] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 10/11/2021] [Accepted: 10/14/2021] [Indexed: 06/13/2023]
Abstract
Although humans are generally exposed to second-hand smoke (SHS), volatile organic compounds (VOCs) exposure derived from SHS and its health hazard to non-smokers are rarely investigated. Thus, we examined the effects of SHS on VOCs exposure and oxidative stress damage via a passive smoking simulation experiment in 6 children and 7 adults. To further validate the studied urinary VOC metabolites as biomarkers for passive smoking, 259 children were recruited. The levels of 8-hydroxy-2'-deoxyguanosine (8-OHdG), malonaldehyde (MDA), trans-3'-hydroxycotinine (OH-Cot) and 31 VOC metabolites in urine were determined. The results showed that the geomean concentrations of 17 VOC metabolites in urine of children were 26.5%-138% higher than those of adults after passive smoking. The levels of urinary 8-OHdG, MDA and OH-Cot increased by 24.6%, 18.8% and 600% in children, but only 1.25%, 10.3% and 116% in adults, respectively. Therefore, children are more vulnerable to SHS than adults. After exposure to SHS, the levels of 8 urinary VOC metabolites of benzene, acrylonitrile, 1-bromopropane, propylene oxide, toluene, methyl methacrylate and cyanide increased by 60.9%-538% within 23 h. These 8 VOC metabolites were also significantly associated with 8-OHdG or MDA in urine (p < 0.01). Therefore, exposure to VOCs caused by SHS increases body oxidative stress damage. OH-Cot level higher than 2.00 μg/g Cr can be used as a threshold of passive smoking. The levels of urinary s-benzylmercapturic acid (BMA) and s-phenylmercapturic acid (PMA) in children increased by 494% and 728% within 6 h after passive smoking, respectively. Population validation study indicated that BMA and PMA levels were significantly elevated in children exposed to SHS. Therefore, in addition to OH-Cot, urinary BMA and PMA are potentially useful short-term biomarkers of passive smoking. Future studies should focus on the differences in VOC metabolism and detoxification mechanisms between children and adults.
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Affiliation(s)
- Hongxuan Kuang
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring and Guangdong Provincial Engineering Technology Research Center for Drug and Food Biological Resources Processing and Comprehensive Utilization, School of Life Sciences, South China Normal University, Guangzhou, 510631, China; State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, Ministry of Ecology and Environment, South China Institute of Environmental Sciences, Guangzhou, 510655, China
| | - Jianglu Feng
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring and Guangdong Provincial Engineering Technology Research Center for Drug and Food Biological Resources Processing and Comprehensive Utilization, School of Life Sciences, South China Normal University, Guangzhou, 510631, China
| | - Zhilin Li
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring and Guangdong Provincial Engineering Technology Research Center for Drug and Food Biological Resources Processing and Comprehensive Utilization, School of Life Sciences, South China Normal University, Guangzhou, 510631, China
| | - Jianhua Tan
- Guangzhou Quality Supervision and Testing Institute, Guangzhou, 511447, China
| | - Wangqi Zhu
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring and Guangdong Provincial Engineering Technology Research Center for Drug and Food Biological Resources Processing and Comprehensive Utilization, School of Life Sciences, South China Normal University, Guangzhou, 510631, China
| | - Shengjie Lin
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring and Guangdong Provincial Engineering Technology Research Center for Drug and Food Biological Resources Processing and Comprehensive Utilization, School of Life Sciences, South China Normal University, Guangzhou, 510631, China
| | - Qihua Pang
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring and Guangdong Provincial Engineering Technology Research Center for Drug and Food Biological Resources Processing and Comprehensive Utilization, School of Life Sciences, South China Normal University, Guangzhou, 510631, China
| | - Yufeng Ye
- Guangzhou Panyu Central Hospital, Guangzhou, 511486, China
| | - Ruifang Fan
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring and Guangdong Provincial Engineering Technology Research Center for Drug and Food Biological Resources Processing and Comprehensive Utilization, School of Life Sciences, South China Normal University, Guangzhou, 510631, China; Guangzhou Panyu Central Hospital, Guangzhou, 511486, China.
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12
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Pham C, Vryer R, O’Hely M, Mansell T, Burgner D, Collier F, Symeonides C, Tang MLK, Vuillermin P, Gray L, Saffery R, Ponsonby AL. Shortened Infant Telomere Length Is Associated with Attention Deficit/Hyperactivity Disorder Symptoms in Children at Age Two Years: A Birth Cohort Study. Int J Mol Sci 2022; 23:ijms23094601. [PMID: 35562991 PMCID: PMC9104809 DOI: 10.3390/ijms23094601] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 04/11/2022] [Accepted: 04/14/2022] [Indexed: 12/13/2022] Open
Abstract
Environmental factors can accelerate telomere length (TL) attrition. Shortened TL is linked to attention deficit/hyperactivity disorder (ADHD) symptoms in school-aged children. The onset of ADHD occurs as early as preschool-age, but the TL-ADHD association in younger children is unknown. We investigated associations between infant TL and ADHD symptoms in children and assessed environmental factors as potential confounders and/or mediators of this association. Relative TL was measured by quantitative polymerase chain reaction in cord and 12-month blood in the birth cohort study, the Barwon Infant Study. Early life environmental factors collected antenatally to two years were used to measure confounding. ADHD symptoms at age two years were evaluated by the Child Behavior Checklist Attention Problems (AP) and the Attention Deficit/Hyperactivity Problems (ADHP). Associations between early life environmental factors on TL or ADHD symptoms were assessed using multivariable regression models adjusted for relevant factors. Telomere length at 12 months (TL12), but not at birth, was inversely associated with AP (β = −0.56; 95% CI (−1.13, 0.006); p = 0.05) and ADHP (β = −0.66; 95% CI (−1.11, −0.21); p = 0.004). Infant secondhand smoke exposure at one month was independently associated with shorter TL12 and also higher ADHD symptoms. Further work is needed to elucidate the mechanisms that influence TL attrition and early neurodevelopment.
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Affiliation(s)
- Cindy Pham
- Murdoch Children’s Research Institute, Royal Children’s Hospital, Parkville, VIC 3052, Australia; (C.P.); (R.V.); (M.O.); (T.M.); (D.B.); (C.S.); (M.L.K.T.); (P.V.); (R.S.)
- Florey Institute of Neuroscience and Mental Health, University of Melbourne, Parkville, VIC 3052, Australia
- Melbourne School of Population and Global Health, University of Melbourne, Parkville, VIC 3052, Australia
- Child Health Research Unit, Barwon Health, Geelong, VIC 3220, Australia; (F.C.); (L.G.)
| | - Regan Vryer
- Murdoch Children’s Research Institute, Royal Children’s Hospital, Parkville, VIC 3052, Australia; (C.P.); (R.V.); (M.O.); (T.M.); (D.B.); (C.S.); (M.L.K.T.); (P.V.); (R.S.)
- Child Health Research Unit, Barwon Health, Geelong, VIC 3220, Australia; (F.C.); (L.G.)
- Department of Paediatrics, University of Melbourne, Parkville, VIC 3052, Australia
| | - Martin O’Hely
- Murdoch Children’s Research Institute, Royal Children’s Hospital, Parkville, VIC 3052, Australia; (C.P.); (R.V.); (M.O.); (T.M.); (D.B.); (C.S.); (M.L.K.T.); (P.V.); (R.S.)
- Child Health Research Unit, Barwon Health, Geelong, VIC 3220, Australia; (F.C.); (L.G.)
- School of Medicine, Deakin University, Geelong, VIC 3220, Australia
| | - Toby Mansell
- Murdoch Children’s Research Institute, Royal Children’s Hospital, Parkville, VIC 3052, Australia; (C.P.); (R.V.); (M.O.); (T.M.); (D.B.); (C.S.); (M.L.K.T.); (P.V.); (R.S.)
- Child Health Research Unit, Barwon Health, Geelong, VIC 3220, Australia; (F.C.); (L.G.)
- Department of Paediatrics, University of Melbourne, Parkville, VIC 3052, Australia
| | - David Burgner
- Murdoch Children’s Research Institute, Royal Children’s Hospital, Parkville, VIC 3052, Australia; (C.P.); (R.V.); (M.O.); (T.M.); (D.B.); (C.S.); (M.L.K.T.); (P.V.); (R.S.)
- Child Health Research Unit, Barwon Health, Geelong, VIC 3220, Australia; (F.C.); (L.G.)
- Department of Paediatrics, University of Melbourne, Parkville, VIC 3052, Australia
| | - Fiona Collier
- Child Health Research Unit, Barwon Health, Geelong, VIC 3220, Australia; (F.C.); (L.G.)
- School of Medicine, Deakin University, Geelong, VIC 3220, Australia
| | - Christos Symeonides
- Murdoch Children’s Research Institute, Royal Children’s Hospital, Parkville, VIC 3052, Australia; (C.P.); (R.V.); (M.O.); (T.M.); (D.B.); (C.S.); (M.L.K.T.); (P.V.); (R.S.)
- Department of Paediatrics, University of Melbourne, Parkville, VIC 3052, Australia
| | - Mimi L. K. Tang
- Murdoch Children’s Research Institute, Royal Children’s Hospital, Parkville, VIC 3052, Australia; (C.P.); (R.V.); (M.O.); (T.M.); (D.B.); (C.S.); (M.L.K.T.); (P.V.); (R.S.)
- Department of Paediatrics, University of Melbourne, Parkville, VIC 3052, Australia
| | - Peter Vuillermin
- Murdoch Children’s Research Institute, Royal Children’s Hospital, Parkville, VIC 3052, Australia; (C.P.); (R.V.); (M.O.); (T.M.); (D.B.); (C.S.); (M.L.K.T.); (P.V.); (R.S.)
- Child Health Research Unit, Barwon Health, Geelong, VIC 3220, Australia; (F.C.); (L.G.)
- School of Medicine, Deakin University, Geelong, VIC 3220, Australia
| | - Lawrence Gray
- Child Health Research Unit, Barwon Health, Geelong, VIC 3220, Australia; (F.C.); (L.G.)
- School of Medicine, Deakin University, Geelong, VIC 3220, Australia
| | - Richard Saffery
- Murdoch Children’s Research Institute, Royal Children’s Hospital, Parkville, VIC 3052, Australia; (C.P.); (R.V.); (M.O.); (T.M.); (D.B.); (C.S.); (M.L.K.T.); (P.V.); (R.S.)
- Child Health Research Unit, Barwon Health, Geelong, VIC 3220, Australia; (F.C.); (L.G.)
- Department of Paediatrics, University of Melbourne, Parkville, VIC 3052, Australia
| | - Anne-Louise Ponsonby
- Murdoch Children’s Research Institute, Royal Children’s Hospital, Parkville, VIC 3052, Australia; (C.P.); (R.V.); (M.O.); (T.M.); (D.B.); (C.S.); (M.L.K.T.); (P.V.); (R.S.)
- Florey Institute of Neuroscience and Mental Health, University of Melbourne, Parkville, VIC 3052, Australia
- Melbourne School of Population and Global Health, University of Melbourne, Parkville, VIC 3052, Australia
- Child Health Research Unit, Barwon Health, Geelong, VIC 3220, Australia; (F.C.); (L.G.)
- Correspondence:
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13
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Wei M, Wang P, Wan Y, Jiang Y, Song W, He Z, Wang Q. Urinary parabens and their derivatives associated with oxidative stress biomarkers in children from South and Central China: Repeated measures. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 817:152639. [PMID: 34971688 DOI: 10.1016/j.scitotenv.2021.152639] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Revised: 11/18/2021] [Accepted: 12/19/2021] [Indexed: 05/27/2023]
Abstract
Previous studies implied that elevated exposure to parabens may result in increased oxidative stress. However, the association between exposure to paraben derivatives and oxidative stress biomarkers in children has been rarely studied. This study examined the associations between exposure to paraben derivatives and oxidative stress biomarkers in Chinese children. Nine targeted compounds of parabens and their derivatives including methyl paraben (MeP), ethyl paraben (EtP), propyl paraben (PrP), butyl paraben (BuP), p-hydrox4ybenzoic acid (p-HB), 3,4-dihydroxy benzoic acid (3,4-DHB), benzoic acid, methyl 3,4-dihydroxybenzoate (rOH-MeP), and ethyl 3,4-dihydroxybenzoate (rOH-EtP) were detected in urine collected from 139 children from South and Central China. Additionally, 8-hydroxy-2'-deoxyguanosine (8-OHdG), 8-hydroxyguanosine (8-OHG), and 4-hydroxy-2-nonenal mercapturic acid (HNE-MA) were measured as oxidative stress biomarkers. All targeted compounds (except for BuP) were frequently detected in urine (detection frequencies ranged 80.8%-100%). Linear mixed effects model revealed that all targeted compounds (with detection frequencies >50%), except for EtP, were significantly associated with an increase in 8-OHdG. rOH-EtP was found to be significantly associated with 8-OHG (β = 0.12; 95% confidence interval [95% CI]: 0.08, 0.16) positively. In addition, PrP and benzoic acid were associated with elevated levels of HNE-MA. Weighted quantile sum regression revealed that co-exposure to the targeted compounds was positively associated with 8-OHdG (β = 0.17; 95% CI: 0.12, 0.22), 8-OHG (β = 0.14; 95% CI: 0.10, 0.18), and HNE-MA (β = 0.43; 95% CI: 0.27, 0.59); rOH-EtP and benzoic acid were the major contributors for the combined effects on oxidative stress of nucleic acids and lipid, respectively. Our findings provide new evidence for the effects of exposure to paraben derivatives on nucleic acid oxidative damage and lipid peroxidation in children.
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Affiliation(s)
- Muhong Wei
- MOE Key Lab of Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, PR China
| | - Pei Wang
- Institute of Environmental Health, Wuhan Centers for Disease Control and Prevention, Wuhan, Hubei 430024, PR China
| | - Yanjian Wan
- Institute of Environmental Health, Wuhan Centers for Disease Control and Prevention, Wuhan, Hubei 430024, PR China.
| | - Ying Jiang
- Nanshan District Centers for Disease Control and Prevention, Shenzhen, Guangdong 518054, PR China
| | - Wenjing Song
- MOE Key Lab of Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, PR China
| | - Zhenyu He
- Institute of Environmental Health, Wuhan Centers for Disease Control and Prevention, Wuhan, Hubei 430024, PR China
| | - Qi Wang
- MOE Key Lab of Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, PR China.
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14
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Chang YJ, Muthukumaran RB, Chen JL, Chang HY, Hung YC, Hu CW, Chao MR. Simultaneous determination of areca nut- and tobacco-specific alkaloids in saliva by LC-MS/MS: Distribution and transformation of alkaloids in oral cavity. JOURNAL OF HAZARDOUS MATERIALS 2022; 426:128116. [PMID: 34968842 DOI: 10.1016/j.jhazmat.2021.128116] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 12/13/2021] [Accepted: 12/16/2021] [Indexed: 06/14/2023]
Abstract
Areca nut and tobacco are frequently used in combination. Cigarette smoking and betel quid (BQ) chewing habits impose greater oral cancer risk than either habit alone. Saliva is a better noninvasive diagnostic material as it is in direct contact with oral mucosa and cancerous lesions. This study describes the application of isotope-dilution LC-MS/MS for simultaneous quantitation of five areca nut-specific alkaloids (ASAs) and three tobacco-specific alkaloids (TSAs) in human saliva. With this method, we demonstrate that the distribution of ASAs vary significantly in smokers who chew BQ habitually, due to the hydrolysis of ASAs and metabolic activity in the oral cavity. The alkaline condition formed due to slaked lime in BQ, plays an important role in the distribution of ASAs and TSAs, by catalyzing the hydrolysis of ester forms of ASAs to their respective carboxylic acid forms besides facilitating the TSA (i.e., nicotine) absorption in the oral cavity. Moreover, our results reveal that oral mucosa rather than saliva contributes to the metabolism of ASAs at oral cavity. Less than 2.1% of ASAs were metabolized by saliva, as determined by in vitro test. Our findings may provide a better insight into the pathobiology of oral carcinogenesis due to BQ chewing.
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Affiliation(s)
- Yuan-Jhe Chang
- Department of Occupational Safety and Health, Chung Shan Medical University, Taichung 402, Taiwan; Department of Medical Research, Chung Shan Medical University Hospital, Taichung 402, Taiwan
| | | | - Jian-Lian Chen
- School of Pharmacy, China Medical University, Taichung 404, Taiwan
| | - Hsin-Yi Chang
- Department of Public Health, Chung Shan Medical University, Taichung 402, Taiwan
| | - Yu-Cheng Hung
- Department of Public Health, Chung Shan Medical University, Taichung 402, Taiwan
| | - Chiung-Wen Hu
- Department of Public Health, Chung Shan Medical University, Taichung 402, Taiwan.
| | - Mu-Rong Chao
- Department of Occupational Safety and Health, Chung Shan Medical University, Taichung 402, Taiwan; Department of Occupational Medicine, Chung Shan Medical University Hospital, Taichung 402, Taiwan.
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15
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Liu H, Chen H. The effects of thirdhand smoke on reproductive health. J Appl Toxicol 2021; 42:172-179. [PMID: 34462936 DOI: 10.1002/jat.4227] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 07/26/2021] [Accepted: 07/28/2021] [Indexed: 12/20/2022]
Abstract
Tobacco smoke is an environmental pollutant that can cause follicle destruction and oocyte dysfunction. Thirdhand smoke (THS) is residual tobacco smoke existing in the environment long after cigarettes have been extinguished, which can react with other environmental compounds to produce secondary pollutants. THS contains a variety of toxic and harmful chemicals, such as nicotine and 1-(N-methyl-N-nitrosamino)-1-(3-pyridinyl)-4-butanal (NNA), a logical biomarker of THS exposure. The health hazards of THS exposure and its components have been researched in recent years. In this review, we have summarized research progress on the effects of THS exposure on organs in mice and humans especially on the reproductive system. This review may help evaluate the health risks of THS, in particular reproduction and offspring health. We hope this review will guide public health education on the dangers of THS exposure and promotion of healthy living habits.
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Affiliation(s)
- Huage Liu
- Institute of Reproductive Medicine, Nantong University, Nantong, China
| | - Hao Chen
- Institute of Reproductive Medicine, Nantong University, Nantong, China
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16
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You HS, Lee JW, Kim YS, Kim Y, Lee HC, Hwang JY, Yang W, Kang HT. Association between Second-hand Smoke Exposure and Urinary NNAL Level in Korean Adolescents. J Korean Med Sci 2021; 36:e82. [PMID: 33821591 PMCID: PMC8021977 DOI: 10.3346/jkms.2021.36.e82] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Accepted: 01/13/2021] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND The 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanol (NNAL) is a metabolite of tobacco-specific lung carcinogen that can be found in both smokers and non-smokers. Particularly, NNAL levels of children with a history of exposure to second-hand smoke (SHS) are higher than those of adults. Thus, we aimed to investigate the association between SHS exposure and urine NNAL levels in Korean adolescents. METHODS This cross-sectional study used data from the Korea National Health and Nutrition Examination Survey VII. Overall, 648 never-smoking adolescents (425 boys and 223 girls) aged 12 to 18 were included in this study. Logistic regression analyses identified the relationship between SHS exposure and elevated urine NNAL levels. RESULTS The mean urine NNAL levels of the no exposure and exposure group in boys were 1.39 and 2.26 ng/mL, respectively, whereas they were 1.01 and 2.45 ng/mL in girls, respectively (P < 0.001). Among the adolescents exposed to SHS, the confounder-adjusted odds ratio (95% confidence intervals) for elevated urine NNAL levels according to exposure area as overall, home, and public area were 2.68 (1.58-4.53), 31.02 (9.46-101.74), and 1.89 (1.12-3.17) in boys; and 6.50 (3.22-13.11), 20.09 (7.08-57.04), and 3.94 (1.98-7.77) in girls, respectively. CONCLUSION SHS exposure was significantly associated with elevated urine NNAL levels in Korean adolescents, particularly in female adolescents and in those with home exposure. These findings remind us of the need to protect adolescents from SHS.
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Affiliation(s)
- Hyo Sun You
- Department of Family Medicine, Chungbuk National University Hospital, Cheongju, Korea
| | - Jae Woo Lee
- Department of Family Medicine, Chungbuk National University Hospital, Cheongju, Korea
| | - Ye Seul Kim
- Department of Family Medicine, Chungbuk National University Hospital, Cheongju, Korea
| | - Yonghwan Kim
- Department of Family Medicine, Chungbuk National University Hospital, Cheongju, Korea
| | - Hyeong Cheol Lee
- Department of Family Medicine, Chungbuk National University Hospital, Cheongju, Korea
| | - Jin Young Hwang
- Department of Family Medicine, Chungbuk National University Hospital, Cheongju, Korea
| | - Woojung Yang
- Department of Family Medicine, Chungbuk National University Hospital, Cheongju, Korea
| | - Hee Taik Kang
- Department of Family Medicine, Chungbuk National University Hospital, Cheongju, Korea
- Department of Family Medicine, Chungbuk National University College of Medicine, Cheongju, Korea.
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Chao MR, Evans MD, Hu CW, Ji Y, Møller P, Rossner P, Cooke MS. Biomarkers of nucleic acid oxidation - A summary state-of-the-art. Redox Biol 2021; 42:101872. [PMID: 33579665 PMCID: PMC8113048 DOI: 10.1016/j.redox.2021.101872] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/12/2021] [Accepted: 01/15/2021] [Indexed: 12/12/2022] Open
Abstract
Oxidatively generated damage to DNA has been implicated in the pathogenesis of a wide variety of diseases. Increasingly, interest is also focusing upon the effects of damage to the other nucleic acids, RNA and the (2′-deoxy-)ribonucleotide pools, and evidence is growing that these too may have an important role in disease. LC-MS/MS has the ability to provide absolute quantification of specific biomarkers, such as 8-oxo-7,8-dihydro-2′-deoxyGuo (8-oxodG), in both nuclear and mitochondrial DNA, and 8-oxoGuo in RNA. However, significant quantities of tissue are needed, limiting its use in human biomonitoring studies. In contrast, the comet assay requires much less material, and as little as 5 μL of blood may be used, offering a minimally invasive means of assessing oxidative stress in vivo, but this is restricted to nuclear DNA damage only. Urine is an ideal matrix in which to non-invasively study nucleic acid-derived biomarkers of oxidative stress, and considerable progress has been made towards robustly validating these measurements, not least through the efforts of the European Standards Committee on Urinary (DNA) Lesion Analysis. For urine, LC-MS/MS is considered the gold standard approach, and although there have been improvements to the ELISA methodology, this is largely limited to 8-oxodG. Emerging DNA adductomics approaches, which either comprehensively assess the totality of adducts in DNA, or map DNA damage across the nuclear and mitochondrial genomes, offer the potential to considerably advance our understanding of the mechanistic role of oxidatively damaged nucleic acids in disease. Oxidatively damaged nucleic acids are implicated in the pathogenesis of disease. LC-MS/MS, comet assay and ELISA are often used to study oxidatively damaged DNA. Urinary oxidatively damaged nucleic acids non-invasively reflect oxidative stress. DNA adductomics will aid understanding the role of ROS damaged DNA in disease.
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Affiliation(s)
- Mu-Rong Chao
- Department of Occupational Safety and Health, Chung Shan Medical University, Taichung, 402, Taiwan; Department of Occupational Medicine, Chung Shan Medical University Hospital, Taichung, 402, Taiwan
| | - Mark D Evans
- Leicester School of Allied Health Sciences, Faculty of Health & Life Sciences, De Montfort University, The Gateway, Leicester, LE1 9BH, United Kingdom
| | - Chiung-Wen Hu
- Department of Public Health, Chung Shan Medical University, Taichung, 402, Taiwan
| | - Yunhee Ji
- Department of Environmental Health Sciences, Florida International University, Miami, FL, 33199, USA
| | - Peter Møller
- Section of Environmental Health, Department of Public Health, University of Copenhagen, Øster Farimagsgade 5A, DK, 1014, Copenhagen K, Denmark
| | - Pavel Rossner
- Department of Nanotoxicology and Molecular Epidemiology, Institute of Experimental Medicine of the CAS, 142 20, Prague, Czech Republic
| | - Marcus S Cooke
- Oxidative Stress Group, Department of Cell Biology, Microbiology and Molecular Biology, University of South Florida, Tampa, FL, 33620, USA.
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18
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Wang Y, Huang Z, Luo D, Tian L, Hu M, Xiao S. Respiratory Symptoms and Urinary Cotinine Levels in Pre-school Children Exposed to Environmental Tobacco Smoke. Front Public Health 2021; 8:587193. [PMID: 33575238 PMCID: PMC7870985 DOI: 10.3389/fpubh.2020.587193] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Accepted: 12/03/2020] [Indexed: 11/13/2022] Open
Abstract
Objective: Preschool children exposed to environmental tobacco smoke (ETS) are at risk of developing adverse respiratory health effects. The present study aimed to investigate the relationship between the effects of cigarette-smoking caregivers on respiratory symptoms and urinary cotinine (UC) levels in children. Methods: A cross-sectional study consisting of 543 children (aged between 5 and 6 years) from 5 kindergartens in central China was conducted using a structured questionnaire. We also analyzed UC levels to investigate the relationship between respiratory symptoms and ETS exposure. We further performed logistic regression analyses to establish the relationship between respiratory symptoms (coughing, rhinorrhea, and sneezing) and UC levels. Results: A total of 71 (13.08%) children had a history of hospital admission with respiratory illnesses including bronchitis and pneumonia over the last 6 months. In addition, 102 (18.78%) children presented coughing symptoms, 114 (20.99%) experienced rhinorrhea and 79 (14.55%) presented sneezing symptoms over the last 6 months. After adjusting the confounders, odds ratio (OR) indicated that the number of cigarettes smoked by a caregiver was associated with coughing (OR = 11.02; 95% CI, 3.72-33.66), rhinorrhea (OR = 41.83; 95% CI, 5.58-313.05) and sneezing (OR = 4.71; 95% CI, 1.33-16.48). Furthermore, UC levels in children with coughing, rhinorrhea and sneezing were significantly higher than in children without respiratory symptoms (P = 0.002, P < 0.001, P < 0.001, respectively). Conclusions: This study reveals that children exposed to ETS have higher levels of UC. Compared with caregiver who non-smoked live with children, smoked cigarettes were highly risk of developing respiratory illnesses in children. Notably, the higher the UC levels the greater the respiratory risk. Our results also signify that UC can be used as an indicator of ETS exposure to inform caregivers of the associated risks, and inform efforts to reduce related effects.
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Affiliation(s)
- Yun Wang
- Department of Social Medicine and Health Management, School of Public Health, Central South University, Hunan, China
- School of Nursing, Anhui College of Traditional Chinese Medical, Anhui, China
| | - Zhiqiang Huang
- Hunan Academy of Inspection and Quarantine, Hunan, China
| | - Dan Luo
- Department of Social Medicine and Health Management, School of Public Health, Central South University, Hunan, China
| | - Lang Tian
- Department of Pediatrics, The Third Xiangya Hospital of Central South University, Hunan, China
| | - Mi Hu
- Department of Social Medicine and Health Management, School of Public Health, Central South University, Hunan, China
| | - Shuiyuan Xiao
- Department of Social Medicine and Health Management, School of Public Health, Central South University, Hunan, China
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19
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Alkotob SS, Cannedy C, Harter K, Movassagh H, Paudel B, Prunicki M, Sampath V, Schikowski T, Smith E, Zhao Q, Traidl‐Hoffmann C, Nadeau KC. Advances and novel developments in environmental influences on the development of atopic diseases. Allergy 2020; 75:3077-3086. [PMID: 33037680 DOI: 10.1111/all.14624] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 10/05/2020] [Accepted: 10/05/2020] [Indexed: 12/12/2022]
Abstract
Although genetic factors play a role in the etiology of atopic disease, the rapid increases in the prevalence of these diseases over the last few decades suggest that environmental, rather than genetic factors are the driving force behind the increasing prevalence. In modern societies, there is increased time spent indoors, use of antibiotics, and consumption of processed foods and decreased contact with farm animals and pets, which limit exposure to environmental allergens, infectious parasitic worms, and microbes. The lack of exposure to these factors is thought to prevent proper education and training of the immune system. Increased industrialization and urbanization have brought about increases in organic and inorganic pollutants. In addition, Caesarian birth, birth order, increased use of soaps and detergents, tobacco smoke exposure and psychosomatic factors are other factors that have been associated with increased rate of allergic diseases. Here, we review current knowledge on the environmental factors that have been shown to affect the development of allergic diseases and the recent developments in the field.
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Affiliation(s)
- Shifaa Suhayl Alkotob
- Sean N. Parker Center for Allergy and Asthma Research at Stanford University and Division of Pulmonary and Critical Care Medicine Department of Medicine Stanford University Stanford CA USA
| | - Cade Cannedy
- Sean N. Parker Center for Allergy and Asthma Research at Stanford University and Division of Pulmonary and Critical Care Medicine Department of Medicine Stanford University Stanford CA USA
| | - Katharina Harter
- Chair and Institute of Environmental Medicine UNIKA‐TTechnical University of Munich and Helmholtz Zentrum München Augsburg Germany
| | - Hesam Movassagh
- Sean N. Parker Center for Allergy and Asthma Research at Stanford University and Division of Pulmonary and Critical Care Medicine Department of Medicine Stanford University Stanford CA USA
| | - Bibek Paudel
- Sean N. Parker Center for Allergy and Asthma Research at Stanford University and Division of Pulmonary and Critical Care Medicine Department of Medicine Stanford University Stanford CA USA
| | - Mary Prunicki
- Sean N. Parker Center for Allergy and Asthma Research at Stanford University and Division of Pulmonary and Critical Care Medicine Department of Medicine Stanford University Stanford CA USA
| | - Vanitha Sampath
- Sean N. Parker Center for Allergy and Asthma Research at Stanford University and Division of Pulmonary and Critical Care Medicine Department of Medicine Stanford University Stanford CA USA
| | - Tamara Schikowski
- IUF‐Leibniz Institute for Environmental Medicine Duesseldorf Germany
| | - Eric Smith
- Sean N. Parker Center for Allergy and Asthma Research at Stanford University and Division of Pulmonary and Critical Care Medicine Department of Medicine Stanford University Stanford CA USA
| | - Qi Zhao
- IUF‐Leibniz Institute for Environmental Medicine Duesseldorf Germany
| | - Claudia Traidl‐Hoffmann
- Chair and Institute of Environmental Medicine UNIKA‐TTechnical University of Munich and Helmholtz Zentrum München Augsburg Germany
- CK‐CARE Christine Kühne Center for Allergy Research and Education Davos Switzerland
| | - Kari C. Nadeau
- Sean N. Parker Center for Allergy and Asthma Research at Stanford University and Division of Pulmonary and Critical Care Medicine Department of Medicine Stanford University Stanford CA USA
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20
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Brown TJ, Gentry S, Bauld L, Boyle EM, Clarke P, Hardeman W, Holland R, Naughton F, Orton S, Ussher M, Notley C. Systematic Review of Behaviour Change Techniques within Interventions to Reduce Environmental Tobacco Smoke Exposure for Children. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:E7731. [PMID: 33105823 PMCID: PMC7660048 DOI: 10.3390/ijerph17217731] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 10/05/2020] [Accepted: 10/19/2020] [Indexed: 11/16/2022]
Abstract
Children are particularly vulnerable to environmental tobacco smoke (ETS). There is no routine support to reduce ETS in the home. We systematically reviewed trials to reduce ETS in children in order to identify intervention characteristics and behaviour change techniques (BCTs) to inform future interventions. We searched Medline, EMBASE, CINAHL, PsycINFO, ERIC, Cochrane Central Register of Controlled Trials, and Cochrane Tobacco Addiction Group Specialised Register from January 2017 to June 2020 to update an existing systematic review. We included controlled trials to reduce parent/caregiver smoking or ETS in children <12 years that demonstrated a statistically significant benefit, in comparison to less intensive interventions or usual care. We extracted trial characteristics; and BCTs using Behaviour Change Technique Taxonomy v1. We defined "promising" BCTs as those present in at least 25% of effective interventions. Data synthesis was narrative. We included 16 trials, of which eight were at low risk of bias. All trials used counselling in combination with self-help or other supporting materials. We identified 13 "promising" BCTs centred on education, setting goals and planning, or support to reach goals. Interventions to reduce ETS in children should incorporate effective BCTs and consider counselling and self-help as mechanisms of delivery.
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Affiliation(s)
- Tracey J. Brown
- Norwich Medical School, University of East Anglia, Norwich NR4 7TJ, UK; (S.G.); (P.C.); (C.N.)
| | - Sarah Gentry
- Norwich Medical School, University of East Anglia, Norwich NR4 7TJ, UK; (S.G.); (P.C.); (C.N.)
| | - Linda Bauld
- Usher Institute and SPECTRUM Consortium, College of Medicine and Veterinary Medicine, University of Edinburgh, Edinburgh EH8 9AG, UK;
| | - Elaine M. Boyle
- Department of Health Sciences, University of Leicester, Leicester LE1 7RH, UK;
| | - Paul Clarke
- Norwich Medical School, University of East Anglia, Norwich NR4 7TJ, UK; (S.G.); (P.C.); (C.N.)
- Neonatal Intensive Care Unit, Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich NR4 7UY, UK
| | - Wendy Hardeman
- School of Health Sciences, University of East Anglia, Norwich NR4 7TJ, UK; (W.H.); (F.N.)
| | - Richard Holland
- Leicester Medical School, University of Leicester, Leicester LE1 7HA, UK;
| | - Felix Naughton
- School of Health Sciences, University of East Anglia, Norwich NR4 7TJ, UK; (W.H.); (F.N.)
| | - Sophie Orton
- Division of Primary Care, University of Nottingham, Nottingham NG7 2RD, UK;
| | - Michael Ussher
- Population Health Research Institute, St George’s, University of London, London SW17 0RE, UK;
- Institute for Social Marketing and Health, University of Stirling, Stirling FK9 4LA, UK
| | - Caitlin Notley
- Norwich Medical School, University of East Anglia, Norwich NR4 7TJ, UK; (S.G.); (P.C.); (C.N.)
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21
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Lin J, Lin W, Yin Z, Fu X, Mai D, Fu S, Zhang JJ, Gong J, Feng N, He L. Respiratory health effects of residential individual and cumulative risk factors in children living in two cities of the Pearl River Delta Region, China. J Thorac Dis 2020; 12:6342-6355. [PMID: 33209473 PMCID: PMC7656417 DOI: 10.21037/jtd.2020.03.92] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Background Indoor environment is complex, with many factors potentially interacting with each other to affect health. However, previous studies have usually focused on effect of a single factor. Assessment of the combined effects of multiple factors can help with understanding the overall health risk. Methods A cross-sectional study was conducted among 2,306 school children in Guangzhou and Shenzhen. Questionnaire data on respiratory symptoms and diseases were collected along with sociodemographic and residential environmental information. A subset of children (N=987) were measured for their lung function. A random forest algorithm was applied to screen the top-ranked indoor environmental exposure variables and to form a composite index for cumulative risk of indoor pollution (CRIP). Logistic regressions were conducted to analyze the independent effect of single indoor environmental risk factors and the combined effect of CRIP on children’s respiratory health. Multiple linear regressions were used to examine the independent and combined effects of indoor environmental exposure on lung function. Results We found that home dampness and molds as well as environmental tobacco smoke (ETS) were significantly and independently associated with increased prevalence of children’s respiratory symptoms and diseases and with reduced lung function. A higher CRIP level was significantly associated with increased risk of cough with cold (OR =1.37, 95% CI: 1.05–1.79) and wheeze (OR =2.71, 95% CI: 1.16–6.34). A higher CRIP level was also associated with reduced lung function measured as FVC, FEV1, PEF, FEF25%, FEF25–75% and VC. Conclusions In children living in the subtropical region of the Pearl River Delta, home dampness and the presence of mold as well as ETS were individual risk factors for children’s respiratory health. The composite CRIP index was associated with respiratory symptoms and lung function, suggesting the utility of this index for predicting the combined effects of multiple risk factors.
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Affiliation(s)
- Jianqing Lin
- Department of Occupational and Environmental Health, School of Public Health, Sun Yat-Sen University, Guangzhou 510080, China
| | - Weiwei Lin
- Department of Occupational and Environmental Health, School of Public Health, Sun Yat-Sen University, Guangzhou 510080, China
| | - Zixuan Yin
- Key Laboratory for Urban Habitat Environmental Science and Technology, School of Environment and Energy, Peking University Shenzhen Graduate School, Shenzhen 518055, China
| | - Xi Fu
- Department of Occupational and Environmental Health, School of Public Health, Sun Yat-Sen University, Guangzhou 510080, China
| | - Dejian Mai
- Department of Occupational and Environmental Health, School of Public Health, Sun Yat-Sen University, Guangzhou 510080, China
| | - Shaojie Fu
- Department of Occupational and Environmental Health, School of Public Health, Sun Yat-Sen University, Guangzhou 510080, China
| | - Junfeng Jim Zhang
- Nicholas School of Environment & Duke Global Health Institute, Duke University, Durham, USA.,Duke Kunshan University, Kunshan 215316, China.,Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510120, China
| | - Jicheng Gong
- Beijing Innovation Center for Engineering Science and Advanced Technology, State Key Joint Laboratory for Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, and Center for Environment and Health, Peking University, Beijing 100871, China
| | - Ning Feng
- Key Laboratory for Urban Habitat Environmental Science and Technology, School of Environment and Energy, Peking University Shenzhen Graduate School, Shenzhen 518055, China
| | - Lingyan He
- Key Laboratory for Urban Habitat Environmental Science and Technology, School of Environment and Energy, Peking University Shenzhen Graduate School, Shenzhen 518055, China
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22
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Robin RC, Noosorn N, Alif SM. Secondhand Smoking Among Children in Rural Households: A Community Based Cross-Sectional Study in Bangladesh. Osong Public Health Res Perspect 2020; 11:201-208. [PMID: 32864311 PMCID: PMC7442452 DOI: 10.24171/j.phrp.2020.11.4.09] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Objectives This study aimed to determine the factors associated with reducing exposure to secondhand smoke among children in households of rural Bangladesh. Methods A cross-sectional study of 410 smokers and non-smokers, in 6 villages of Munshigonj district was conducted. Data were collected randomly using a self-administrative questionnaire. Differences between variables were assessed using Chi-square or Fisher's exact test (as appropriate). Univariate and multivariate logistic regression models were used to investigate associations. All results were presented as unadjusted and adjusted odds ratios with a 95% confidence interval. The level of statistical significance was reached when p < 0.05. Results A smoker in the household was determined to be a risk factor associated with exposure of other household members to secondhand smoke (p < 0.001). Higher education, strict implementation of household smoke-free rules, a higher influence of social norms and culture, as well as moderate knowledge on exposure to secondhand smoke were considered as preventive factors associated with exposure of others in the home to secondhand smoke. Conclusion Exposure to secondhand smoke is an extensive and preventable risk factor for children, and reducing exposure to secondhand smoke will have a largely positive effect in the community. An effective public health intervention model may reduce secondhand smoking.
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Affiliation(s)
- Rishad Choudhury Robin
- Department of Community Health, Faculty of Public Health, Naresuan University, Phitsanulok, Thailand
| | - Narongsak Noosorn
- Faculty of Public Health, Naresuan University, Phitsanulok, Thailand
| | - Sheikh Mohammad Alif
- epartment of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
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23
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Wang SY, Wang YF, Pan CC, Sun JW. Serum level and clinical significance of vitamin E in children with allergic rhinitis. BMC Pediatr 2020; 20:362. [PMID: 32736611 PMCID: PMC7394685 DOI: 10.1186/s12887-020-02248-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Accepted: 07/15/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Allergic rhinitis (AR) is one of the most prevalent allergic diseases in children. This study aimed to investigate the association between serum concentrations of vitamin E and AR to determine if the vitamin E level is correlated with the occurrence and severity of AR. METHODS A total of 113 children were enrolled in this cross-sectional study. Sixty-five children in the outpatient group were diagnosed with AR, and 48 healthy children were recruited as controls. All subjects underwent serum vitamin E (adjusted for total cholesterol and triglycerides) measurements. Serum to total IgE (tIgE), the five most common allergen-specific IgE (sIgE) levels and skin prick test (SPT) were measured in children with AR. The severity of AR was assessed with the nasal symptoms score, and the situation of exposure to passive smoking were inquired. RESULTS Serum vitamin E levels were significantly lower in the AR group than in the normal children (P < 0.001). A significant negative correlation was observed between serum vitamin E levels and sIgE as well as the SPT grade. Serum vitamin E levels were also inversely related to the nasal symptoms score; however, statistical significance was not found. CONCLUSIONS A significantly lower vitamin E level was found in children with AR. Lower serum vitamin E levels may have correlation with the occurrence of AR in children. However, serum vitamin E levels were not statistically correlated with the severity of AR.
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Affiliation(s)
- Shi-Yi Wang
- Department of Otorhinolaryngology-Head and Neck Surgery, The First Affiliated Hospital of University of Science and Technology of China, No. 17 Lujiang Road, Hefei, Anhui Province, 230001, People's Republic of China.,Department of Otolaryngology-Head and Neck Surgery, Anhui Provincial Hospital Affiliated Anhui Medical University, No. 17 Lujiang Road, Hefei, Anhui Province, 230001, People's Republic of China.,Department of Otolaryngology-Head and Neck Surgery, Affiliated Hospital of Yangzhou University, No. 368 Hanjiang Middle Road, Yangzhou, Jiangsu Province, 225001, People's Republic of China
| | - Yin-Feng Wang
- Department of Otorhinolaryngology-Head and Neck Surgery, The First Affiliated Hospital of University of Science and Technology of China, No. 17 Lujiang Road, Hefei, Anhui Province, 230001, People's Republic of China.,Department of Otolaryngology-Head and Neck Surgery, Anhui Provincial Hospital Affiliated Anhui Medical University, No. 17 Lujiang Road, Hefei, Anhui Province, 230001, People's Republic of China
| | - Chun-Chen Pan
- Department of Otorhinolaryngology-Head and Neck Surgery, The First Affiliated Hospital of University of Science and Technology of China, No. 17 Lujiang Road, Hefei, Anhui Province, 230001, People's Republic of China. .,Department of Otolaryngology-Head and Neck Surgery, Anhui Provincial Hospital Affiliated Anhui Medical University, No. 17 Lujiang Road, Hefei, Anhui Province, 230001, People's Republic of China.
| | - Jing-Wu Sun
- Department of Otorhinolaryngology-Head and Neck Surgery, The First Affiliated Hospital of University of Science and Technology of China, No. 17 Lujiang Road, Hefei, Anhui Province, 230001, People's Republic of China. .,Department of Otolaryngology-Head and Neck Surgery, Anhui Provincial Hospital Affiliated Anhui Medical University, No. 17 Lujiang Road, Hefei, Anhui Province, 230001, People's Republic of China.
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24
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Antonucci A, Vitali M, Martellucci S, Mattei V, Protano C. A Cross-Sectional Study on Benzene Exposure in Pediatric Age and Parental Smoking Habits at Home. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:E5469. [PMID: 32751222 PMCID: PMC7432498 DOI: 10.3390/ijerph17155469] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 07/24/2020] [Accepted: 07/27/2020] [Indexed: 12/15/2022]
Abstract
After the introduction of the smoke-free legislation, household smoking has become the major source of environmental tobacco smoke (ETS) exposure for children. In our previous research, we found a strong association between urinary unmodified benzene (u-UB) levels and passive smoking exposure related to the home smoking policies (HSP). The aim of the study is to further investigate the impacts of several factors on ETS-exposure in childhood by using u-UB as tobacco-related carcinogen biomarker of exposure. Two cross-sectional studies were performed on the same target population of our previous research, in summer and winter season of the years 2017 and 2018, respectively. A questionnaire and a head space-solid phase micro-extraction/gas chromatography-mass spectrometry (HS-SPME/GC-MS) analytical method were used as investigative procedures. The improvement found in smoking habits, when compared to our previous surveys, reduced the levels of u-UB in children. However, significant differences related to the high number of smokers and smoked cigarettes, in total and at home, still persist. These differences are more relevant in the winter season. Finally, the only effective way for making homes completely smokefree is to develop public health policies for encouraging people to quit or drastically reduce smoking.
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Affiliation(s)
- Arianna Antonucci
- Department of Public Health and Infectious Diseases, “Sapienza” University of Rome, 00185 Rome, Italy; (M.V.); (C.P.)
| | - Matteo Vitali
- Department of Public Health and Infectious Diseases, “Sapienza” University of Rome, 00185 Rome, Italy; (M.V.); (C.P.)
| | - Stefano Martellucci
- Biomedicine and Advanced Technologies Rieti Center, “Sabina Universitas”, 02100 Rieti, Italy; (S.M.); (V.M.)
| | - Vincenzo Mattei
- Biomedicine and Advanced Technologies Rieti Center, “Sabina Universitas”, 02100 Rieti, Italy; (S.M.); (V.M.)
| | - Carmela Protano
- Department of Public Health and Infectious Diseases, “Sapienza” University of Rome, 00185 Rome, Italy; (M.V.); (C.P.)
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25
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Xiao Y, Chen S, Zhang G, Li Z, Xiao H, Chen C, He C, Zhang R, Yang X. Simple and rapid nicotine analysis using a disposable silica nanochannel-assisted electrochemiluminescence sensor. Analyst 2020; 145:4806-4814. [PMID: 32588848 DOI: 10.1039/d0an00588f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Nicotine analysis is essential to medicine, toxicology and the tobacco industry. However, no simple, portable and disposable method was developed to meet their demands. Here, we report a simple, rapid and disposable silica nanochannel (SAN)-based electrochemiluminescence (ECL) sensor for nicotine analysis by simply assembling a SAN electrode with a paper cover. The sensing principle of the disposable sensor is based on the size exclusion effect and charge selectivity, which obviously prolong the sensor service time. We find that the sensor exhibits good specificity to nicotine, and most of the complex matrices are unlikely to impact the detection. The performance of the disposable sensor in cigarettes, e-cigarettes, nicotine gums, and lozenges is fully validated, showing satisfactory linearity, sensitivity (a limit of detection of 27.82 nM), and accuracy (a recovery between 96.00% and 106.51%). The disposable sensor can be potentially applied for on-site nicotine analysis.
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Affiliation(s)
- Yi Xiao
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Department of Pharmacy, School of Medicine, Hunan Normal University, Changsha 410013, Hunan, China. and Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Hunan Normal University), Ministry of Education, China
| | - Suhua Chen
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Department of Pharmacy, School of Medicine, Hunan Normal University, Changsha 410013, Hunan, China. and Hunan Provincial Maternal and Child Health Care Hospital, Changsha 410008, Hunan, China
| | - Guocan Zhang
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Department of Pharmacy, School of Medicine, Hunan Normal University, Changsha 410013, Hunan, China.
| | - Zhimao Li
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Department of Pharmacy, School of Medicine, Hunan Normal University, Changsha 410013, Hunan, China.
| | - Han Xiao
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Department of Pharmacy, School of Medicine, Hunan Normal University, Changsha 410013, Hunan, China.
| | - Chuanpin Chen
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan 410013, China
| | - Chunlian He
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Department of Pharmacy, School of Medicine, Hunan Normal University, Changsha 410013, Hunan, China.
| | - Ran Zhang
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Department of Pharmacy, School of Medicine, Hunan Normal University, Changsha 410013, Hunan, China.
| | - Xiaoping Yang
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Department of Pharmacy, School of Medicine, Hunan Normal University, Changsha 410013, Hunan, China.
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26
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Alomari MA, Alzoubi KH, Khabour OF. Differences in oxidative stress profile in adolescents smoking waterpipe versus cigarettes: The Irbid TRY Project. Physiol Rep 2020. [PMCID: PMC7484827 DOI: 10.14814/phy2.14512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Affiliation(s)
- Mahmoud A. Alomari
- Department of Physical Education Qatar University Doha Qatar
- Division of Physical Therapy Department of Rehabilitation Sciences Jordan University of Science and Technology Irbid Jordan
| | - Karem H. Alzoubi
- Department of Clinical Pharmacy Jordan University of Science and Technology Irbid Jordan
| | - Omar F. Khabour
- Department of Medical Laboratory Sciences Jordan University of Science and Technology Irbid Jordan
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Sun MC, Frédéric JDS. Knowledge of secondhand smoke and behaviour towards its exposure among teachers in Mauritius. Tob Prev Cessat 2020; 6:32. [PMID: 33033786 PMCID: PMC7537475 DOI: 10.18332/tpc/120940] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 04/17/2020] [Accepted: 04/21/2020] [Indexed: 11/24/2022]
Abstract
INTRODUCTION A literature review has revealed an absence of studies investigating the knowledge and behaviour of teachers towards secondhand smoke (SHS). This study was thus designed with the following objectives: 1) Assess the knowledge of SHS among primary school teachers, 2) Determine their behaviour towards SHS, and 3) Identify any relationship between knowledge and behaviour of participants. METHODS A national cross-sectional study was conducted among a representative sample from 28 primary schools in all four educational zones of Mauritius in 2017. A self-administered questionnaire was used to collect data from primary school teachers. Data analysis was performed on 389 questionnaires. RESULTS The mean knowledge score was found to be 28.9 (SD=4.8), which is just above the threshold score (>27) for good knowledge. Less than two-thirds of the participants (63.2%) were in the 'good knowledge' category. The mean behaviour score was found to be 26.6 (SD=6.8), which is situated in the range for 'satisfactory behaviour' in terms of avoiding SHS. Pearson correlation testing revealed a significant association between knowledge of SHS and behaviour towards exposure to SHS. CONCLUSIONS This study showed that nearly two-thirds of teachers had good knowledge of the health dangers of SHS and applied this knowledge in their behaviour by keeping away from cigarette smoke.
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Affiliation(s)
- Marie Chan Sun
- Department of Medicine, Faculty of Science, University of Mauritius, Réduit, Mauritius
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28
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McGrath-Morrow SA, Gorzkowski J, Groner JA, Rule AM, Wilson K, Tanski SE, Collaco JM, Klein JD. The Effects of Nicotine on Development. Pediatrics 2020; 145:peds.2019-1346. [PMID: 32047098 PMCID: PMC7049940 DOI: 10.1542/peds.2019-1346] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/05/2019] [Indexed: 01/08/2023] Open
Abstract
Recently, there has been a significant increase in the use of noncombustible nicotine-containing products, including electronic cigarettes (e-cigarettes). Of increasing popularity are e-cigarettes that can deliver high doses of nicotine over short periods of time. These devices have led to a rise in nicotine addiction in adolescent users who were nonsmokers. Use of noncombustible nicotine products by pregnant mothers is also increasing and can expose the developing fetus to nicotine, a known teratogen. In addition, young children are frequently exposed to secondhand and thirdhand nicotine aerosols generated by e-cigarettes, with little understanding of the effects these exposures can have on health. With the advent of these new nicotine-delivery systems, many concerns have arisen regarding the short- and long-term health effects of nicotine on childhood health during all stages of development. Although health studies on nicotine exposure alone are limited, educating policy makers and health care providers on the potential health effects of noncombustible nicotine is needed because public acceptance of these products has become so widespread. Most studies evaluating the effects of nicotine on health have been undertaken in the context of smoke exposure. Nevertheless, in vitro and in vivo preclinical studies strongly indicate that nicotine exposure alone can adversely affect the nervous, respiratory, immune, and cardiovascular systems, particularly when exposure occurs during critical developmental periods. In this review, we have included both preclinical and clinical studies to identify age-related health effects of nicotine exposure alone, examining the mechanisms underlying these effects.
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Affiliation(s)
- Sharon A. McGrath-Morrow
- Julius B. Richmond Center of Excellence, American Academy of Pediatrics, Itasca, Illinois;,Eudowood Division of Pediatric Respiratory Sciences, Department of Pediatrics, School of Medicine and
| | - Julie Gorzkowski
- Julius B. Richmond Center of Excellence, American Academy of Pediatrics, Itasca, Illinois
| | - Judith A. Groner
- Julius B. Richmond Center of Excellence, American Academy of Pediatrics, Itasca, Illinois;,Department of Pediatrics, Nationwide Children’s Hospital, Columbus, Ohio
| | - Ana M. Rule
- Julius B. Richmond Center of Excellence, American Academy of Pediatrics, Itasca, Illinois;,Department of Environmental Health and Engineering, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland
| | - Karen Wilson
- Julius B. Richmond Center of Excellence, American Academy of Pediatrics, Itasca, Illinois;,Department of Pediatrics, Icahn School of Medicine at Mount Sinai and Kravis Children’s Hospital, New York, New York
| | - Susanne E. Tanski
- Julius B. Richmond Center of Excellence, American Academy of Pediatrics, Itasca, Illinois;,Department of Pediatrics, Geisel School of Medicine, Dartmouth College, Lebanon, New Hampshire; and
| | - Joseph M. Collaco
- Julius B. Richmond Center of Excellence, American Academy of Pediatrics, Itasca, Illinois;,Eudowood Division of Pediatric Respiratory Sciences, Department of Pediatrics, School of Medicine and
| | - Jonathan D. Klein
- Julius B. Richmond Center of Excellence, American Academy of Pediatrics, Itasca, Illinois;,Department of Pediatrics, University of Illinois at Chicago, Chicago, Illinois
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Dietary phytochemicals as the potential protectors against carcinogenesis and their role in cancer chemoprevention. Clin Exp Med 2020; 20:173-190. [PMID: 32016615 DOI: 10.1007/s10238-020-00611-w] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Accepted: 01/27/2020] [Indexed: 02/06/2023]
Abstract
Health-threatening consequences of carcinogen exposure are mediated via occurrence of electrophiles or reactive oxygen species. As a result, the accumulation of biomolecular damage leads to the cancer initiation, promotion or progression. Accordingly, there is an association between lifestyle factors including inappropriate diet or carcinogen formation during food processing, mainstream, second or third-hand tobacco smoke and other environmental or occupational carcinogens and malignant transformation. Nevertheless, increasing evidence supports the protective effects of naturally occurring phytochemicals against carcinogen exposure as well as carcinogenesis in general. Isolated phytochemicals or their mixtures present in the whole plant food demonstrate efficacy against malignancy induced by carcinogens widely spread in our environment. Phytochemicals also minimize the generation of carcinogenic substances during the processing of meat and meat products. Based on numerous data, selected phytochemicals or plant foods should be highly recommended to become a stable and regular part of the diet as the protectors against carcinogenesis.
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Liu H, Liu Z, Meng L, Fu X, Hou Y. Toxic effects of 1-(N-methyl-N-nitrosamino)-1-(3-pyridinyl)-4-butanal on the reproduction of female mice. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 183:109544. [PMID: 31400720 DOI: 10.1016/j.ecoenv.2019.109544] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 07/30/2019] [Accepted: 08/04/2019] [Indexed: 06/10/2023]
Abstract
Cigarette smoke can affect female reproductive health by causing follicle destruction and oocyte dysfunction. Third-hand smoke has received increasing attention as a public health issue. However, the effects of third-hand smoke on the female reproductive system, particularly the ovaries, remain unclear. 1-(N-methyl-N-nitrosamino)-1-(3-pyridinyl)-4-butanal (NNA) can be used as a biomarker of third-hand smoke. We studied the in vivo toxic effects of NNA on mice ovaries and offspring development. Three-week-old premature female mice were exposed to NNA at two different concentrations (0.075 μg/kg and 0.15 μg/kg body weight) and tap water (blank control) and diluted dimethylsulfoxide (solvent control) for 30 days. We found that oral administration of NNA (0.075 μg/kg and 0.15 μg/kg) significantly reduced ovary weight (the 0.15 μg/kg group was reduced to 18.69% ± 0.89%) and ovarian follicle number (reduced by about 30%) (p < 0.05). Consumption of 0.15 μg/kg NNA reduced the survival rate of superovulated oocytes from 91.36% to 60.55% (p < 0.05). In addition, treated female mice in each group were mated with normal male mice to observe the effects of NNA on the F1 offspring, and during mating and lactation, all groups were given tap water. Two different concentrations of NNA exposure also significantly reduced body weight and impaired ear opening, tooth eruption and eye opening in F1 offspring, especially those exposed to 0.15 μg/kg NNA (p < 0.05). Our study suggested that NNA exposure had toxic effects on the reproductive health of female mice and their offspring. The results obtained may help evaluate the risks of third-hand smoke to women's reproductive health and to the health of their offspring.
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Affiliation(s)
- Huage Liu
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Yuanmingyuan West Rd 2, Haidian District, 100193 Beijing, China
| | - Zhiqiang Liu
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Yuanmingyuan West Rd 2, Haidian District, 100193 Beijing, China
| | - Lin Meng
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Yuanmingyuan West Rd 2, Haidian District, 100193 Beijing, China
| | - Xiangwei Fu
- Key Laboratory of Animal Genetics, Breeding and Reproduction, Ministry of Agriculture and National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Yuanmingyuan West Rd 2, Haidian District, 100193 Beijing, China
| | - Yunpeng Hou
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Yuanmingyuan West Rd 2, Haidian District, 100193 Beijing, China.
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Jain RB. Concentrations of urine cotinine and hydroxycotinine among US children, adolescents, and adults: data from NHANES 2013–2014. Biomarkers 2019; 24:757-763. [DOI: 10.1080/1354750x.2019.1684563] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Abstract
Thirdhand smoke (THS), the residual tobacco smoke remaining in the environment after tobacco has been smoked, represents a hidden and underestimated public health hazard. Evidence supports its widespread presence in indoor environments. Exposure to secondhand smoke (SHS), a precursor of THS, has been well documented as a risk factor for human cancers, especially lung cancer. However, the concept of THS as a distinct entity that poses health risks for small children has developed only recently and the associations of THS with cancer risk and other chronic diseases are poorly understood due to limited numbers of studies to date. In this perspective, we mainly summarize all published studies on the genotoxicity and carcinogenic potential of THS exposure. These studies begin to fill the knowledge gap in our understanding of cancer risk of THS. Accumulating data from existing and future studies will help reduce the tobacco-related cancer incidence through changes in lifestyle and tobacco control policies.
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Bono R, Bellisario V, Tassinari R, Squillacioti G, Manetta T, Bugiani M, Migliore E, Piccioni P. Bisphenol A, Tobacco Smoke, and Age as Predictors of Oxidative Stress in Children and Adolescents. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16112025. [PMID: 31174388 PMCID: PMC6604009 DOI: 10.3390/ijerph16112025] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 06/04/2019] [Accepted: 06/05/2019] [Indexed: 12/30/2022]
Abstract
OBJECTIVES The purpose of this study was to investigate bisphenol A (BPA) and its role in the induction of oxidative stress and confirm the same for tobacco smoke. METHODS A total of 223 young, healthy students (7-19 years old) were recruited in Chivasso, Italy. A spot of urine of each subject was analyzed to quantify BPA, cotinine, and 15F2t-isoprostane. RESULTS BPA showed a slight increase of concentration proportional with increasing age, even though the 11-14 years age group had slightly lower results, inducing a V-shape. The same trend was observed for 15F2t-isoprostane and cotinine. The result of piecewise linear robust regression shows a break point of the effect of BPA on 15F2t-isoprostane at 6 ng/mg CREA (p < 0.001). At higher levels, 15F2t-isoprostane shows an exponential increase by more than threefold for each one-log unit of BPA. An increase of oxidative stress due to BPA was observed, but only from 6 ng/mg of CREA up. Passive tobacco smoke is also able to induce an increase in oxidative stress. CONCLUSION Prevention against BPA and passive tobacco smoke represents an important tool for promoting the highest health standard.
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Affiliation(s)
- Roberto Bono
- Department of Public Health and Pediatrics, University of Turin, 10126 Turin, Italy.
| | - Valeria Bellisario
- Department of Public Health and Pediatrics, University of Turin, 10126 Turin, Italy.
| | - Roberta Tassinari
- Department of Public Health and Pediatrics, University of Turin, 10126 Turin, Italy.
| | - Giulia Squillacioti
- Department of Public Health and Pediatrics, University of Turin, 10126 Turin, Italy.
| | - Tilde Manetta
- Department of Public Health and Pediatrics, University of Turin, 10126 Turin, Italy.
| | - Massimiliano Bugiani
- Consultant of OMP (observatory of professional diseases) of the Turin Court Prosecutor's Office, Turin 10100, Italy.
| | - Enrica Migliore
- Cancer Epidemiology, AOU Città della Salute e della Scienza di Torino, Turin 10126, Italy.
| | - Pavilio Piccioni
- Unit of Pneumology and Tisiology, National Health Service (ASL TO2), Torino 10100, Italy.
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