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Fisher SC, Romitti PA, Tracy M, Howley MM, Jabs EW, Browne ML. Associations between maternal periconceptional alcohol consumption and risk of omphalocele among offspring, National Birth Defects Prevention Study, 1997-2011. Prev Med 2024; 180:107891. [PMID: 38342385 DOI: 10.1016/j.ypmed.2024.107891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 02/07/2024] [Accepted: 02/08/2024] [Indexed: 02/13/2024]
Abstract
OBJECTIVE Previous studies of alcohol consumption during pregnancy and omphalocele have produced mixed results. We updated an earlier analysis of National Birth Defects Prevention Study (NBDPS) data, adding six years of participants, to examine associations between maternal alcohol consumption and omphalocele. METHODS NBDPS was a multi-site, population-based case-control study in the United States. Cases were identified from birth defect surveillance programs in 10 states; controls were liveborn infants without a birth defect randomly selected from the same catchment areas. Mothers self-reported alcohol consumption during the periconceptional period (one month before through the third gestational month) via telephone interview. Our study included mothers of 410 omphalocele cases and 11,219 controls with estimated dates of delivery (EDDs) during 1997-2011. We used logistic regression to estimate adjusted odds ratios (AORs) and 95% confidence intervals (CIs) for periconceptional alcohol consumption and omphalocele. We performed a probabilistic bias analysis to evaluate the impact of alcohol exposure misclassification on our results. RESULTS Overall, 44% of case and 38% of control mothers reported periconceptional alcohol consumption; 22% and 17%, respectively, reported binge drinking. Any maternal periconceptional alcohol consumption was associated with modestly increased odds of omphalocele (AOR 1.35, 95% CI 1.09, 1.68), as was binge drinking (AOR 1.47, 95% CI 1.08, 2.01). Our bias analysis yielded estimates further from the null. CONCLUSIONS We observed modest associations between maternal periconceptional alcohol consumption and omphalocele. Based on our bias analysis, studies of alcohol and birth defects not accounting for exposure misclassification may underestimate associations.
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Affiliation(s)
- Sarah C Fisher
- Birth Defects Registry, New York State Department of Health, Albany, NY, United States.
| | - Paul A Romitti
- Department of Epidemiology, College of Public Health, University of Iowa, Iowa City, IA, United States
| | - Melissa Tracy
- Department of Epidemiology and Biostatistics, School of Public Health, University at Albany, Rensselaer, NY, United States
| | - Meredith M Howley
- Birth Defects Registry, New York State Department of Health, Albany, NY, United States
| | - Ethylin Wang Jabs
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States; Department of Genetic Medicine, Johns Hopkins School of Medicine, Baltimore, MD, United States; Department of Clinical Genomics, Mayo Clinic, Rochester, MN, United States
| | - Marilyn L Browne
- Birth Defects Registry, New York State Department of Health, Albany, NY, United States; Department of Epidemiology and Biostatistics, School of Public Health, University at Albany, Rensselaer, NY, United States
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He D, Huang X, Uppal K, Coleman AL, Walker DD, Ritz B, Jones DP, Heck JE. BIOMARKERS OF MATERNAL SMOKING AND THE RISK OF RETINOBLASTOMA IN OFFSPRING. Retina 2023; 43:481-489. [PMID: 36730579 PMCID: PMC9974849 DOI: 10.1097/iae.0000000000003678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
PURPOSE Previous studies examining the risk of retinoblastoma with maternal smoking were inconclusive, likely due in part to the reliance on self-reported maternal smoking. This study uses biomarkers of tobacco smoking in neonatal dried blood spots to investigate associations between maternal smoking and retinoblastoma in offspring. METHODS The authors randomly selected 498 retinoblastoma cases and 895 control subjects born between 1983 and 2011 from a population-based case-control study in California. Maternal pregnancy-related smoking was measured using the following three metrics: provider or self-reported smoking during pregnancy, cotinine, and hydroxycotinine in neonatal blood. The authors used multivariable logistic regression to estimate the effects of maternal tobacco smoking on retinoblastoma. RESULTS Using all metrics (biomarkers or self-report), maternal smoking late in pregnancy or early postpartum was related to retinoblastoma (all types; odds ratio = 1.44, 95% confidence interval: 1.00-2.09). Relying on cotinine or hydroxycotinine to ascertain smoking, maternal smoking was related to unilateral retinoblastoma (odds ratio = 1.66, 95% confidence interval: 1.08-2.57). CONCLUSION The results indicate that maternal smoking during pregnancy may be a risk factor for retinoblastoma, particularly among unilateral cases.
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Affiliation(s)
- Di He
- Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, California
| | - Xiwen Huang
- Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, California
| | - Karan Uppal
- Division of Pulmonary, Allergy, and Critical Care Medicine, Clinical Biomarkers Laboratory, School of Medicine, Emory University, Atlanta, Georgia
| | - Anne L Coleman
- Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, California
- Stein Eye Institute, University of California, Los Angeles, California
| | - Douglas D Walker
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, Georgia
| | - Beate Ritz
- Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, California
| | - Dean P Jones
- Division of Pulmonary, Allergy, and Critical Care Medicine, Clinical Biomarkers Laboratory, School of Medicine, Emory University, Atlanta, Georgia
- Department of Medicine, Emory University, Atlanta, Georgia
| | - Julia E Heck
- Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, California
- College of Health and Public Service, University of North Texas, Denton, Texas; and
- Center for Racial and Ethnic Equity in Health and Society, University of North Texas, Denton, Texas
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Jacobson TA, Kler JS, Bae Y, Chen J, Ladror DT, Iyer R, Nunes DA, Montgomery ND, Pleil JD, Funk WE. A state-of-the-science review and guide for measuring environmental exposure biomarkers in dried blood spots. JOURNAL OF EXPOSURE SCIENCE & ENVIRONMENTAL EPIDEMIOLOGY 2022:10.1038/s41370-022-00460-7. [PMID: 35963945 PMCID: PMC9375076 DOI: 10.1038/s41370-022-00460-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 07/14/2022] [Accepted: 07/21/2022] [Indexed: 05/11/2023]
Abstract
BACKGROUND Dried blood spot (DBS) sampling is a simple, cost-effective, and minimally invasive alternative to venipuncture for measuring exposure biomarkers in public health and epidemiological research. DBS sampling provides advantages in field-based studies conducted in low-resource settings and in studies involving infants and children. In addition, DBS samples are routinely collected from newborns after birth (i.e., newborn dried blood spots, NDBS), with many states in the United States permitting access to archived NDBS samples for research purposes. OBJECTIVES We review the state of the science for analyzing exposure biomarkers in DBS samples, both archived and newly collected, and provide guidance on sample collection, storage, and blood volume requirements associated with individual DBS assays. We discuss recent progress regarding analytical methods, analytical sensitivity, and specificity, sample volume requirements, contamination considerations, estimating extracted blood volumes, assessing stability and analyte recovery, and hematocrit effects. METHODS A systematic search of PubMed (MEDLINE), Embase (Elsevier), and CINAHL (EBSCO) was conducted in March 2022. DBS method development and application studies were divided into three main chemical classes: environmental tobacco smoke, trace elements (including lead, mercury, cadmium, and arsenic), and industrial chemicals (including endocrine-disrupting chemicals and persistent organic pollutants). DBS method development and validation studies were scored on key quality-control and performance parameters by two members of the review team. RESULTS Our search identified 47 published reports related to measuring environmental exposure biomarkers in human DBS samples. A total of 28 reports (37 total studies) were on methods development and validation and 19 reports were primarily the application of previously developed DBS assays. High-performing DBS methods have been developed, validated, and applied for detecting environmental exposures to tobacco smoke, trace elements, and several important endocrine-disrupting chemicals and persistent organic pollutants. Additional work is needed for measuring cadmium, arsenic, inorganic mercury, and bisphenol A in DBS and NDBS samples. SIGNIFICANCE We present an inventory and critical review of available assays for measuring environmental exposure biomarkers in DBS and NDBS samples to help facilitate this sampling medium as an emerging tool for public health (e.g., screening programs, temporal biomonitoring) and environmental epidemiology (e.g., field-based studies).
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Affiliation(s)
- Tyler A Jacobson
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Jasdeep S Kler
- University of Michigan Medical School, Ann Arbor, MI, USA
| | - Yeunook Bae
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Jiexi Chen
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Daniel T Ladror
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Ramsunder Iyer
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Denise A Nunes
- Galter Health Sciences Library, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Nathan D Montgomery
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Joachim D Pleil
- Department of Environmental Sciences and Engineering, Gillings School of Public Health, University of North Carolina, Chapel Hill, NC, USA
| | - William E Funk
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.
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Virgili F, Nenna R, Ben David S, Mancino E, Di Mattia G, Matera L, Petrarca L, Midulla F. E-cigarettes and youth: an unresolved Public Health concern. Ital J Pediatr 2022; 48:97. [PMID: 35701844 PMCID: PMC9194784 DOI: 10.1186/s13052-022-01286-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 05/25/2022] [Indexed: 11/11/2022] Open
Abstract
The use of electronic cigarettes (e-cigarette) and vaping devices started as a potential aid for cessation and reducing the harmful consequences of cigarette smoking, mainly in the adult population. Today e-cigarette use is highly increasing in vulnerable populations, especially young and pregnant women, due to the misconception of its harmless use. Despite the growing acknowledgment in e-cigarette as a potential harmful device, and due to mixed information found concerning its beneficial aid for smokers, along with an insufficient clinical study done in human models, it is important to further evaluate the possible benefits and risks of non-combusting, vaping nicotine or non-nicotine delivery devices. In this review we tried to summarize the latest updated information found in the literature, concentrating mainly in the variety of adverse effects of e-cigarette use and its contribution for recent and future health concerns.
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Affiliation(s)
- Fabrizio Virgili
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Viale Regina Elena 324, 00161, Rome, Italy
| | - Raffaella Nenna
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Viale Regina Elena 324, 00161, Rome, Italy.
| | - Shira Ben David
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Viale Regina Elena 324, 00161, Rome, Italy
| | - Enrica Mancino
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Viale Regina Elena 324, 00161, Rome, Italy
| | - Greta Di Mattia
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Viale Regina Elena 324, 00161, Rome, Italy
| | - Luigi Matera
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Viale Regina Elena 324, 00161, Rome, Italy
| | - Laura Petrarca
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Viale Regina Elena 324, 00161, Rome, Italy
| | - Fabio Midulla
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Viale Regina Elena 324, 00161, Rome, Italy
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Lupo PJ, Petrick LM, Hoang TT, Janitz AE, Marcotte EL, Schraw JM, Arora M, Scheurer ME. Using primary teeth and archived dried spots for exposomic studies in children: Exploring new paths in the environmental epidemiology of pediatric cancer. Bioessays 2021; 43:e2100030. [PMID: 34106479 DOI: 10.1002/bies.202100030] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 05/13/2021] [Accepted: 05/18/2021] [Indexed: 12/14/2022]
Abstract
It is estimated that 300,000 children 0-14 years of age are diagnosed with cancer worldwide each year. While the absolute risk of cancer in children is low, it is the leading cause of death due to disease in children in high-income countries. In spite of this, the etiologies of pediatric cancer are largely unknown. Environmental exposures have long been thought to play an etiologic role. However, to date, there are few well-established environmental risk factors for pediatric malignancies, likely due to technical barriers in collecting biological samples prospectively in pediatric populations for direct measurements. In this review, we propose the use of novel or underutilized biospecimens (dried blood spots and teeth) and molecular approaches for exposure assessment (epigenetics, metabolomics, and somatic mutational profiles). Future epidemiologic studies of pediatric cancer should incorporate novel exposure assessment methodologies, data on molecular features of tumors, and a more complete assessment of gene-environment interactions.
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Affiliation(s)
- Philip J Lupo
- Section of Hematology-Oncology, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, USA
| | - Lauren M Petrick
- The Senator Frank R. Lautenberg Environmental Health Science Laboratory, Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Thanh T Hoang
- Epidemiology Branch, National Institutes of Health, Department of Health and Human Services, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina, USA
| | - Amanda E Janitz
- Department of Biostatistics and Epidemiology, Hudson College of Public Health, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
| | - Erin L Marcotte
- Department of Pediatrics, University of Minnesota, Minneapolis, Minnesota, USA
| | - Jeremy M Schraw
- Section of Hematology-Oncology, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, USA
| | - Manish Arora
- The Senator Frank R. Lautenberg Environmental Health Science Laboratory, Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Michael E Scheurer
- Section of Hematology-Oncology, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, USA
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6
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Barr DB, Kannan K, Cui Y, Merrill L, Petrick LM, Meeker JD, Fennell TR, Faustman EM. The use of dried blood spots for characterizing children's exposure to organic environmental chemicals. ENVIRONMENTAL RESEARCH 2021; 195:110796. [PMID: 33508256 PMCID: PMC7988293 DOI: 10.1016/j.envres.2021.110796] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 01/02/2021] [Accepted: 01/20/2021] [Indexed: 05/05/2023]
Abstract
Biomonitoring is a commonly used tool for exposure assessment of organic environmental chemicals with urine and blood samples being the most commonly used matrices. However, for children's studies, blood samples are often difficult to obtain. Dried blood spots (DBS) represent a potential matrix for blood collection in children that may be used for biomonitoring. DBS are typically collected at birth to screen for several congenital disorders and diseases; many of the states that are required to collect DBS archive these spots for years. If the archived DBS can be accessed by environmental health researchers, they potentially could be analyzed to retrospectively assess exposure in these children. Furthermore, DBS can be collected prospectively in the field from children ranging in age from newborn to school-aged with little concern from parents and minimal risk to the child. Here, we review studies that have evaluated the measurement of organic environmental toxicants in both archived and prospectively collected DBS, and where available, the validation procedures that have been performed to ensure these measurements are comparable to traditional biomonitoring measurements. Among studies thus far, the amount of validation has varied considerably with no studies systematically evaluating all parameters from field collection, shipping and storage contamination and stability to laboratory analysis feasibility. These validation studies are requisite to ensure reliability of the measurement and comparability to more traditional matrices. Thus, we offer some recommendations for validation studies and other considerations before DBS should be adopted as a routine matrix for biomonitoring.
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Affiliation(s)
- Dana Boyd Barr
- Emory University, Rollins School of Public Health, Gangarosa Department of Environmental Health, Atlanta, GA, USA.
| | - Kurunthachalam Kannan
- Department of Pediatrics and Department of Environmental Medicine, New York University School of Medicine, New York, NY, USA
| | - Yuxia Cui
- National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA
| | | | - Lauren M Petrick
- The Senator Frank R. Lautenberg Environmental Health Sciences Laboratory, Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - John D Meeker
- School of Public Health, University of Michigan, Ann Arbor, MI, USA
| | | | - Elaine M Faustman
- University of Washington, School of Public Health, Department of Environmental and Occupational Health, Seattle, WA, USA
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7
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McClendon-Weary B, Putnick DL, Robinson S, Yeung E. Little to Give, Much to Gain-What Can You Do With a Dried Blood Spot? Curr Environ Health Rep 2021; 7:211-221. [PMID: 32851603 DOI: 10.1007/s40572-020-00289-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
PURPOSE OF REVIEW Technological advances have allowed dried blood spots (DBS) to be utilized for various measurements, helpful in population-based studies. The following is a review of the literature highlighting the advantages and disadvantages of DBS and describing their use in multiple areas of research. RECENT FINDINGS DBS can track pollutant exposure to understand their impact on health. DBS can also be used for (epi-)genetic studies, to measure clinical biomarkers, and to monitor drug adherence. Advantages of DBS include being minimally invasive, requiring low blood volume, and being cost-effective to collect, transport, and store. Disadvantages of DBS include the hematocrit effect, which is related to the viscosity of the blood affecting its spread on to the filter paper, causing a major source of error when assessing concentrations, and the possibility of low DNA volume. Numerous uses for DBS make them an important source of biomaterial but they require additional validation for accuracy and reproducibility.
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Affiliation(s)
- Bryttany McClendon-Weary
- Epidemiology Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, 6710B Rockledge Dr, MSC 7004, Bethesda, MD, 20817, USA
| | - Diane L Putnick
- Epidemiology Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, 6710B Rockledge Dr, MSC 7004, Bethesda, MD, 20817, USA
| | - Sonia Robinson
- Epidemiology Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, 6710B Rockledge Dr, MSC 7004, Bethesda, MD, 20817, USA
| | - Edwina Yeung
- Epidemiology Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, 6710B Rockledge Dr, MSC 7004, Bethesda, MD, 20817, USA.
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8
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Benowitz NL, Bernert JT, Foulds J, Hecht SS, Jacob P, Jarvis MJ, Joseph A, Oncken C, Piper ME. Biochemical Verification of Tobacco Use and Abstinence: 2019 Update. Nicotine Tob Res 2020; 22:1086-1097. [PMID: 31570931 DOI: 10.1093/ntr/ntz132] [Citation(s) in RCA: 321] [Impact Index Per Article: 80.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Accepted: 07/31/2019] [Indexed: 12/21/2022]
Abstract
BACKGROUND The changing prevalence and patterns of tobacco use, the advent of novel nicotine delivery devices, and the development of new biomarkers prompted an update of the 2002 Society for Research on Nicotine and Tobacco (SRNT) report on whether and how to apply biomarker verification for tobacco use and abstinence. METHODS The SRNT Treatment Research Network convened a group of investigators with expertise in tobacco biomarkers to update the recommendations of the 2002 SNRT Biochemical Verification Report. RESULTS Biochemical verification of tobacco use and abstinence increases scientific rigor and is recommended in clinical trials of smoking cessation, when feasible. Sources, appropriate biospecimens, cutpoints, time of detection windows and analytic methods for carbon monoxide, cotinine (including over the counter tests), total nicotine equivalents, minor tobacco alkaloids, and 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanol are reviewed, as well as biochemical approaches to distinguishing cigarette smoking from use of electronic nicotine delivery devices (ENDS). CONCLUSIONS Recommendations are provided for whether and how to use biochemical verification of tobacco use and abstinence. Guidelines are provided on which biomarkers to use, which biospecimens to use, optimal cutpoints, time windows to detection, and methodology for biochemical verifications. Use of combinations of biomarkers is recommended for assessment of ENDS use. IMPLICATIONS Biochemical verification increases scientific rigor, but there are drawbacks that need to be assessed to determine whether the benefits of biochemical verification outweigh the costs, including the cost of the assays, the feasibility of sample collection, the ability to draw clear conclusions based on the duration of abstinence, and the variability of the assay within the study population. This paper provides updated recommendations from the 2002 SRNT report on whether and how to use biochemical markers in determining tobacco use and abstinence.
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Affiliation(s)
- Neal L Benowitz
- Division of Clinical Pharmacology and Experimental Therapeutics, Departments of Medicine and Biopharmaceutical Sciences; Center for Tobacco Control Research and Education, University of California San Francisco, San Francisco, CA
| | - John T Bernert
- Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA
| | - Jonathan Foulds
- Departments of Public Health Sciences and Psychiatry, Penn State College of Medicine, Hershey, PA
| | - Stephen S Hecht
- Departments of Laboratory Medicine and Pathology, Pharmacology, and Medicinal Chemistry, University of Minnesota, Masonic Cancer Center, Minneapolis, MN
| | - Peyton Jacob
- Departments of Medicine and Psychiatry, University of California San Francisco, San Francisco, CA
| | - Martin J Jarvis
- Department of Behavioural Science and Health, University College London, London, UK
| | - Anne Joseph
- Department of Medicine, University of Minnesota Medical School, Minneapolis, MN
| | - Cheryl Oncken
- Department of Medicine, University of Connecticut, Farmington, CT
| | - Megan E Piper
- Center for Tobacco Research and Intervention, Department of Medicine, School of Medicine and Public Health, University of Wisconsin, Madison, WI
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Fernandes AG, Santos LN, Pinheiro GP, da Silva Vasconcellos D, de Oliva ST, Fernandes BJ, Couto RD. Urinary Cotinine as a Biomarker of Cigarette Smoke Exposure: A Method to Differentiate Among Active, Second-Hand, and Non-Smoker Circumstances. ACTA ACUST UNITED AC 2020. [DOI: 10.2174/1875318302010010060] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Objective:
To review the literature on the use of urinary cotinine as a biological marker of cigarette smoke exposure.
Methods:
Narrative review of original and review articles on the topic of interest, published in Portuguese or English by June 2018, and selected in the following online databases: PubMed and Virtual Health Library (VHL).
Results:
Urinary cotinine is usually the recommended biomarker to estimate exposure to cigarette smoke, and can be used alone or, preferably, in association with questionnaires. Different analytical techniques can be used to quantify urinary cotinine and are differently performed because of urine sample interfering factors.
Conclusion:
The precise classification of smoking status is essential. It is advisable to use objective measurements regarding smoking habits since self-reported smoking may not always represent the true smoking status of the individual, particularly in groups that are more vulnerable to omitting the information of questionnaries, in addition, it has possible biases of memory. The accurate assessment of smoking is crucial to improve clinical management and counseling for different diseases as well as the establishment of preventive strategies. So, the use of urinary cotinine as a biomarker of cigarette smoke exposure seems to be a suitable assay to distinguish non-smokers from passive and active smokers.
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10
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Lupo PJ, Spector LG. Cancer Progress and Priorities: Childhood Cancer. Cancer Epidemiol Biomarkers Prev 2020; 29:1081-1094. [DOI: 10.1158/1055-9965.epi-19-0941] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 12/18/2019] [Accepted: 03/09/2020] [Indexed: 11/16/2022] Open
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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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Ein-Mor E, Berman T, Barnett-Itzhaki Z, Göen T, Ergaz-Shaltiel Z, Natsheh J, Ben-Chetrit A, Haimov-Kochman R, Calderon-Margalit R. Newborn infant urinary cotinine and birth outcomes in the Jerusalem Environment Mother and Child Cohort Study. Int J Hyg Environ Health 2019; 222:1054-1058. [PMID: 31324382 DOI: 10.1016/j.ijheh.2019.07.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 07/07/2019] [Accepted: 07/11/2019] [Indexed: 11/16/2022]
Abstract
BACKGROUND Environmental tobacco smoke (ETS) exposure during pregnancy can cause preterm delivery and childhood cancer. The aim of this study was to measure ETS exposure in pregnant women and in newborn infants in Israel using urinary cotinine measurements, to assess predictors of ETS exposure in these vulnerable groups, and to assess associations with birth effects (birth weight, birth length, head circumference) in newborn infants. METHODS We analyzed urinary cotinine and creatinine in 265 non-smoking pregnant women and 97 newborns, and analyzed associations with self-reported exposure to ETS, paternal smoking, sociodemographic variables and with birth outcomes (birth weight, birth length, head circumference). RESULTS 37.7% of pregnant women and 29.0% of infants had urinary cotinine concentrations above the level of quantification (LOQ) of 1 μg/L, whereas 63.8% and 50.5%, respectively, had urinary cotinine concentrations above the level of detection (LOD) of 0.5 μg/L. Median unadjusted and creatinine adjusted urinary concentrations of cotinine in pregnant women were 0.7 μg/L, and 0.9 μg/g creatinine, respectively, and in newborn infants were 0.5 μg/L, and 1.3 μg/g creatinine, respectively. We did not find an association between maternal and infant urinary cotinine level. Maternal (but not infant) urinary cotinine was significantly associated with paternal smoking (p < 0.05). Infant (but not maternal) cotinine above the LOQ was negatively associated with birth weight (p < 0.05). CONCLUSIONS In this high socioeconomic cohort, almost a third of newborn infants born to non-smoking mothers had quantifiable levels of urinary cotinine. This is the first study showing that newborns with quantifiable urinary cotinine levels have lower birth weight.
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Affiliation(s)
- Eliana Ein-Mor
- Hadassah-Hebrew University Braun School of Public Health, POB 12272, Jerusalem, 91120, Israel
| | - Tamar Berman
- Public Health Services, Ministry of Health, Jerusalem, Israel; Department of Health Promotion, School of Public Health, Sackler Faculty of Medicine, Tel Aviv University, Tel-Aviv, Israel
| | - Zohar Barnett-Itzhaki
- Public Health Services, Ministry of Health, Jerusalem, Israel; Bioinformatics Department, School of Life and Health Sciences, Jerusalem College of Technology, Jerusalem, Israel.
| | - Thomas Göen
- Institute and Outpatient Clinic of Occupational, Social and Environmental Medicine, Friedrich- Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | | | - Juma Natsheh
- Neonatology Department Hadassah Medical Center, Jerusalem, Israel
| | | | - Ronit Haimov-Kochman
- Department of Obstetrics and Gynecology, Hadassah Hebrew University Medical Center, Jerusalem, Israel
| | - Ronit Calderon-Margalit
- Hadassah-Hebrew University Braun School of Public Health, POB 12272, Jerusalem, 91120, Israel
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Yano Y, Grigoryan H, Schiffman C, Edmands W, Petrick L, Hall K, Whitehead T, Metayer C, Dudoit S, Rappaport S. Untargeted adductomics of Cys34 modifications to human serum albumin in newborn dried blood spots. Anal Bioanal Chem 2019; 411:2351-2362. [PMID: 30783713 PMCID: PMC6461474 DOI: 10.1007/s00216-019-01675-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 12/06/2018] [Accepted: 02/06/2019] [Indexed: 02/06/2023]
Abstract
Metabolism of chemicals from the diet, exposures to xenobiotics, the microbiome, and lifestyle factors (e.g., smoking, alcohol intake) produce electrophiles that react with nucleophilic sites in circulating proteins, notably Cys34 of human serum albumin (HSA). To discover potential risk factors resulting from in utero exposures, we are investigating HSA-Cys34 adducts in archived newborn dried blood spots (DBS) that reflect systemic exposures during the last month of gestation. The workflow includes extraction of proteins from DBS, measurement of hemoglobin (Hb) to normalize for blood volume, addition of methanol to enrich HSA by precipitation of Hb and other interfering proteins, digestion with trypsin, and detection of HSA-Cys34 adducts via nanoflow liquid chromatography-high-resolution mass spectrometry. As proof-of-principle, we applied the method to 49 archived DBS collected from newborns whose mothers either actively smoked during pregnancy or were nonsmokers. Twenty-six HSA-Cys34 adducts were detected, including Cys34 oxidation products, mixed disulfides with low molecular weight thiols (e.g., cysteine, homocysteine, glutathione, cysteinylglycine), and other modifications. Data were normalized with a novel method ("scone") to remove unwanted technical variation arising from HSA digestion, blood volume, DBS age, mass spectrometry analysis, and batch effects. Using an ensemble of linear and nonlinear models, the Cys34 adduct of cyanide was found to consistently discriminate between newborns of smoking and nonsmoking mothers with a mean fold change (smoking/nonsmoking) of 1.31. These results indicate that DBS adductomics is suitable for investigating in utero exposures to reactive chemicals and metabolites that may influence disease risks later in life.
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Affiliation(s)
- Yukiko Yano
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, CA, 94720, USA
| | - Hasmik Grigoryan
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, CA, 94720, USA
| | - Courtney Schiffman
- Division of Biostatistics, School of Public Health, University of California, Berkeley, CA, 94720, USA
| | - William Edmands
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, CA, 94720, USA
| | - Lauren Petrick
- The Senator Frank R. Lautenberg Environmental Health Sciences Laboratory, Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Katie Hall
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, CA, 94720, USA
| | - Todd Whitehead
- Division of Epidemiology, School of Public Health, University of California, Berkeley, CA, 94720, USA
- Center for Integrative Research on Childhood Leukemia and the Environment, University of California, Berkeley, CA, 94720, USA
| | - Catherine Metayer
- Division of Epidemiology, School of Public Health, University of California, Berkeley, CA, 94720, USA
- Center for Integrative Research on Childhood Leukemia and the Environment, University of California, Berkeley, CA, 94720, USA
| | - Sandrine Dudoit
- Division of Biostatistics, School of Public Health, University of California, Berkeley, CA, 94720, USA
| | - Stephen Rappaport
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, CA, 94720, USA.
- Center for Integrative Research on Childhood Leukemia and the Environment, University of California, Berkeley, CA, 94720, USA.
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Abstract
Residual dried blood spots from millions of newborns are being stored and used for research. The state of Michigan proactively developed a broad consent process for research use of newborns' blood spots. However, the extent to which mothers make informed choices about this research is unclear. A descriptive, qualitative study was conducted examining this issue. Twenty-nine observations of the consent process and 20 semistructured interviews were conducted with mothers on the postpartum unit of a large, academic hospital in Michigan. Content analysis of the transcripts was conducted. While most mothers agreed to donate the blood spots (n = 14/20; 70%), findings indicated that most decisions were uninformed (n = 16/20; 80%), as mothers lacked knowledge of biobanking research. Misunderstandings about anonymity, the consenter's credentials, and entity conducting the research seemed to influence decision making. Suggestions for improving the consent process include (1) changing the venue of blood spot education and consent from the postpartum period to the perinatal period, (2) strengthening the depth of information and delivery of information provided about the topic, including ethical and values clarification, and (3) increasing consenter education and training. Implementation may help increase the proportion of informed decisions.
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15
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An on-spot internal standard addition approach for accurately determining colistin A and colistin B in dried blood spots using ultra high-performance liquid chromatography–tandem mass spectrometry. J Pharm Biomed Anal 2017; 145:783-793. [DOI: 10.1016/j.jpba.2017.08.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2017] [Revised: 08/01/2017] [Accepted: 08/02/2017] [Indexed: 12/16/2022]
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Ladror D, Pitt B, Funk W. Quantification of cotinine in dried blood spots as a biomarker of exposure to tobacco smoke. Biomarkers 2017; 23:44-50. [PMID: 28862876 DOI: 10.1080/1354750x.2017.1375558] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
OBJECTIVE We present an ultra-sensitive, minimally-invasive method for quantifying cotinine in dried blood spot (DBS) samples as a biomarker of exposure to tobacco smoke that can be collected using a simple heel or finger prick to obtain blood samples. METHODS Cotinine levels were measured in matched plasma and reconstituted DBS samples from smokers and nonsmokers to evaluate assay parameters. In addition, we applied this new method to finger-prick DBS samples that were collected from infants, children and young adults ages 1-21 to estimate exposure to tobacco smoke. Partitioning of cotinine across red blood cells and haematocrit effects were investigated. RESULTS Cotinine levels measured in matched plasma and reconstituted DBS samples from smokers and nonsmokers were found to be highly correlated (R2=0.94), with 100% sensitivity and 94% specificity to differentiate reported smokers from nonsmokers. With this method, the LOQ is <0.25 ng/mL using a single 3.2 mm punch of a DBS, and haematocrit effects are negligible. CONCLUSIONS This sensitive, high-throughput and minimally-invasive method for quantifying cotinine in DBS samples provides a simple and cost effective means for estimating exposure to tobacco smoke in population based studies, and has particular advantages in studies involving infants and children.
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Affiliation(s)
- Daniel Ladror
- a Department of Preventive Medicine, Feinberg School of Medicine , Northwestern University , Chicago , IL , USA
| | - Bruce Pitt
- b Department of Environmental and Occupational Health, Graduate School of Public Health , University of Pittsburgh , Pittsburgh , PA , USA
| | - William Funk
- a Department of Preventive Medicine, Feinberg School of Medicine , Northwestern University , Chicago , IL , USA
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Huang KH, Chou AK, Jeng SF, Ng S, Hsieh CJ, Chen MH, Chen PC, Hsieh WS. The Impacts of Cord Blood Cotinine and Glutathione-S-Transferase Gene Polymorphisms on Birth Outcome. Pediatr Neonatol 2017; 58:362-369. [PMID: 28216421 DOI: 10.1016/j.pedneo.2016.08.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Revised: 07/29/2016] [Accepted: 08/06/2016] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND This study aimed to investigate the association between cord blood cotinine levels and birth outcome, and to determine whether fetal metabolic gene polymorphisms of glutathione-S-transferase (GST) modulate the effect of environmental tobacco smoke exposure during pregnancy. METHODS This study included 328 maternal and neonatal pairs. Maternal and cord blood cotinine levels were measured using high performance liquid chromatography. The GST T1 (GSTT1) and GST M1 (GSTM1) polymorphisms were examined using the polymerase chain reaction method. The birth outcomes included birth weight, length, and head circumference, and the risks of having low birth weight and being small for gestational age (SGA). RESULTS Cord cotinine level had a dose-dependent impact on the reduction of birth weight, length, and head circumference in newborns. Elevation of cord blood cotinine concentration increased the rate of SGA and low birth weight. The neonates who had GSTT1 or GSTM1 polymorphism were associated with an increased risk of being SGA. A combination of the GSTT1 and GSTM1 null genotype exacerbated the effect of maternal environmental tobacco smoke exposure on SGA more than the presence of either genotype alone (odds ratio=8.90, 95% confidence interval=1.00-79.5). CONCLUSION Cord blood cotinine adversely affects birth outcomes. GSTT1 and GSTM1 null genotype may modify the effect of cord blood cotinine on birth outcomes.
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Affiliation(s)
- Kuan-Han Huang
- Department of Pediatrics, National Taiwan University Children's Hospital and National Taiwan University, College of Medicine, Taipei, Taiwan; Department of Pediatrics, Taichung Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Taichung, Taiwan
| | - An-Kuo Chou
- Department of Pediatrics, National Taiwan University Hospital, Hsinchu Branch, Hsinchu, Taiwan
| | - Suh-Fang Jeng
- School and Graduate Institute of Physical Therapy, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Sharon Ng
- Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University of Singapore, National University Health System, Singapore, Singapore
| | - Chia-Jung Hsieh
- Department of Public Health, Tzu Chi University, Hualien, Taiwan
| | - Mei-Huei Chen
- Department of Pediatrics, National Taiwan University Hospital Yunlin Branch, Yunlin, Taiwan; Institute of Occupational Medicine and Industrial Hygiene, National Taiwan University College of Public Health, Taipei, Taiwan
| | - Pau-Chung Chen
- Institute of Occupational Medicine and Industrial Hygiene, National Taiwan University College of Public Health, Taipei, Taiwan; Department of Public Health, National Taiwan University College of Public Health, Taipei, Taiwan; Department of Environmental and Occupational Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan.
| | - Wu-Shiun Hsieh
- Department of Pediatrics, National Taiwan University Children's Hospital and National Taiwan University, College of Medicine, Taipei, Taiwan; Department of Pediatrics, Cathay General Hospital, Taipei, Taiwan.
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18
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Abstract
PURPOSE OF THE REVIEW The availability of the Children's Health Exposure Assessment Resource funded by the National Institute of Environmental Health Sciences provides new opportunities for exploring the role of tobacco smoke exposure in causing harm to children. RECENT FINDINGS Children of smokers are exposed to nicotine and other harmful tobacco smoke chemicals in utero as well as in their environment. This passive exposure to tobacco smoke has a variety of negative effects on children. In-utero exposure to tobacco smoke causes poor birth outcomes and influences lung, cardiovascular, and brain development, placing children at increased risk of a number of adverse health outcomes later in life, such as obesity, behavioral problems, and cardiovascular disease. Furthermore, most smokers start in their adolescence, an age of increased nicotine addiction risk. Biomarkers of tobacco exposure helps clarify the role tobacco chemicals play in influencing health both in childhood and beyond. Although electronic cigarettes (e-cigarettes) appear to be a nicotine delivery device of reduced harm, it appears to be a gateway to the use of combustible cigarette smoking in adolescents. SUMMARY Pediatric researchers interested in elucidating the role of tobacco smoke exposure in adverse outcomes in children should incorporate biomarkers of tobacco exposure in their studies.
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19
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Ncube CN, Mueller BA. Daughters of Mothers Who Smoke: A Population-based Cohort Study of Maternal Prenatal Tobacco use and Subsequent Prenatal Smoking in Offspring. Paediatr Perinat Epidemiol 2017; 31:14-20. [PMID: 27935093 PMCID: PMC5195902 DOI: 10.1111/ppe.12330] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
BACKGROUND Prenatal exposure to tobacco is associated with adverse health outcomes for the mother and child, and has been associated with an increased risk of tobacco smoking and nicotine dependence in offspring. The objective of this study was to examine the risk of prenatal smoking, among daughters, associated with maternal prenatal smoking. METHODS We used a population-based cohort study design, with linked vital records data of mothers and daughters delivering 1984-96 and 1996-2013, respectively, in Washington State. The exposure of interest was mothers' prenatal smoking (any vs. no smoking at any time during pregnancy), while the outcome was daughters' prenatal smoking (similarly assessed). We used multivariable log-binomial regression to obtain estimates of the relative risk (RR) and 95% confidence interval (CI). RESULTS Daughters exposed to maternal prenatal smoking were more likely to smoke during their pregnancy, compared to unexposed daughters (RR 1.78, 95% CI 1.72, 1.84, adjusted for the year the daughter delivered, her marital status and educational attainment, and the mothers' race/ethnicity). CONCLUSIONS In this relatively young population, we found that daughters exposed to maternal prenatal smoking have an increased risk of smoking later on during their own pregnancy, emphasizing the importance of exposures during the prenatal period. The mechanisms leading to prenatal smoking are multifactorial and likely include behavioural, genetic, epigenetic and environmental factors. An understanding of this risk factor for prenatal smoking may guide health care providers to better target smoking cessation interventions to at-risk populations.
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Affiliation(s)
- Collette N. Ncube
- Department of Epidemiology, School of Public Health, University of
Washington, 1959 NE Pacific Street, Health Sciences Building, Seattle, WA
98195-7236
| | - Beth A. Mueller
- Department of Epidemiology, School of Public Health, University of
Washington, 1959 NE Pacific Street, Health Sciences Building, Seattle, WA
98195-7236,Public Health Sciences Division, Fred Hutchinson Cancer Research
Center, PO Box 19024, Mailstop M4-C308, Seattle, WA 98109-1024
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20
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Whitehead TP, Metayer C, Wiemels JL, Singer AW, Miller MD. Childhood Leukemia and Primary Prevention. Curr Probl Pediatr Adolesc Health Care 2016; 46:317-352. [PMID: 27968954 PMCID: PMC5161115 DOI: 10.1016/j.cppeds.2016.08.004] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Leukemia is the most common pediatric cancer, affecting 3800 children per year in the United States. Its annual incidence has increased over the last decades, especially among Latinos. Although most children diagnosed with leukemia are now cured, many suffer long-term complications, and primary prevention efforts are urgently needed. The early onset of leukemia-usually before 5 years of age-and the presence at birth of "pre-leukemic" genetic signatures indicate that pre- and postnatal events are critical to the development of the disease. In contrast to most pediatric cancers, there is a growing body of literature-in the United States and internationally-that has implicated several environmental, infectious, and dietary risk factors in the etiology of childhood leukemia, mainly for acute lymphoblastic leukemia, the most common subtype. For example, exposures to pesticides, tobacco smoke, solvents, and traffic emissions have consistently demonstrated positive associations with the risk of developing childhood leukemia. In contrast, intake of vitamins and folate supplementation during the preconception period or pregnancy, breastfeeding, and exposure to routine childhood infections have been shown to reduce the risk of childhood leukemia. Some children may be especially vulnerable to these risk factors, as demonstrated by a disproportionate burden of childhood leukemia in the Latino population of California. The evidence supporting the associations between childhood leukemia and its risk factors-including pooled analyses from around the world and systematic reviews-is strong; however, the dissemination of this knowledge to clinicians has been limited. To protect children's health, it is prudent to initiate programs designed to alter exposure to well-established leukemia risk factors rather than to suspend judgment until no uncertainty remains. Primary prevention programs for childhood leukemia would also result in the significant co-benefits of reductions in other adverse health outcomes that are common in children, such as detriments to neurocognitive development.
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Affiliation(s)
- Todd P Whitehead
- Department of Epidemiology, School of Public Health, University of California, Berkeley, CA; Center for Integrative Research on Childhood Leukemia and the Environment, University of California, Berkeley, CA.
| | - Catherine Metayer
- Department of Epidemiology, School of Public Health, University of California, Berkeley, CA; Center for Integrative Research on Childhood Leukemia and the Environment, University of California, Berkeley, CA
| | - Joseph L Wiemels
- Center for Integrative Research on Childhood Leukemia and the Environment, University of California, Berkeley, CA; Department of Epidemiology and Biostatistics, School of Medicine, University of California, San Francisco, CA
| | - Amanda W Singer
- Department of Epidemiology, School of Public Health, University of California, Berkeley, CA
| | - Mark D Miller
- Center for Integrative Research on Childhood Leukemia and the Environment, University of California, Berkeley, CA; Western States Pediatric Environmental Health Specialty Unit, University of California, San Francisco, CA
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21
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Yang HJ. Impact of perinatal environmental tobacco smoke on the development of childhood allergic diseases. KOREAN JOURNAL OF PEDIATRICS 2016; 59:319-27. [PMID: 27610180 PMCID: PMC5014911 DOI: 10.3345/kjp.2016.59.8.319] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Revised: 08/24/2015] [Accepted: 09/03/2015] [Indexed: 12/11/2022]
Abstract
Allergic diseases such as asthma, allergic rhinitis, atopic dermatitis, and food allergy, are most common chronic, noncommunicable diseases in childhood. In the past few decades, the prevalence has increased abruptly worldwide. There are 2 possible explanations for the rising prevalence of allergic diseases worldwide, that an increased disease-awareness of physician, patient, or caregivers, and an abrupt exposure to unknown hazards. Unfortunately, the underlying mechanisms remain largely unknown. Despite the continuing efforts worldwide, the etiologies and rising prevalence remain unclear. Thus, it is important to identify and control risk factors in the susceptible individual for the best prevention and management. Genetic susceptibility or environments may be a potential background for the development of allergic disease, however they alone cannot explain the rising prevalence worldwide. There is growing evidence that epigenetic change depends on the gene, environment, and their interactions, may induce a long-lasting altered gene expression and the consequent development of allergic diseases. In epigenetic mechanisms, environmental tobacco smoke (ETS) exposure during critical period (i.e., during pregnancy and early life) are considered as a potential cause of the development of childhood allergic diseases. However, the causal relationship is still unclear. This review aimed to highlight the impact of ETS exposure during the perinatal period on the development of childhood allergic diseases and to propose a future research direction.
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Affiliation(s)
- Hyeon-Jong Yang
- Pediatric Allergy and Respiratory Center, Department of Pediatrics, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, Seoul, Korea
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22
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Metayer C, Petridou E, Aranguré JMM, Roman E, Schüz J, Magnani C, Mora AM, Mueller BA, de Oliveira MSP, Dockerty JD, McCauley K, Lightfoot T, Hatzipantelis E, Rudant J, Flores-Lujano J, Kaatsch P, Miligi L, Wesseling C, Doody DR, Moschovi M, Orsi L, Mattioli S, Selvin S, Kang AY, Clavel J. Parental Tobacco Smoking and Acute Myeloid Leukemia: The Childhood Leukemia International Consortium. Am J Epidemiol 2016; 184:261-73. [PMID: 27492895 PMCID: PMC4983653 DOI: 10.1093/aje/kww018] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2015] [Accepted: 01/15/2016] [Indexed: 12/17/2022] Open
Abstract
The association between tobacco smoke and acute myeloid leukemia (AML) is well established in adults but not in children. Individual-level data on parental cigarette smoking were obtained from 12 case-control studies from the Childhood Leukemia International Consortium (CLIC, 1974-2012), including 1,330 AML cases diagnosed at age <15 years and 13,169 controls. We conducted pooled analyses of CLIC studies, as well as meta-analyses of CLIC and non-CLIC studies. Overall, maternal smoking before, during, or after pregnancy was not associated with childhood AML; there was a suggestion, however, that smoking during pregnancy was associated with an increased risk in Hispanics (odds ratio = 2.08, 95% confidence interval (CI): 1.20, 3.61) but not in other ethnic groups. By contrast, the odds ratios for paternal lifetime smoking were 1.34 (95% CI: 1.11, 1.62) and 1.18 (95% CI: 0.92, 1.51) in pooled and meta-analyses, respectively. Overall, increased risks from 1.2- to 1.3-fold were observed for pre- and postnatal smoking (P < 0.05), with higher risks reported for heavy smokers. Associations with paternal smoking varied by histological type. Our analyses suggest an association between paternal smoking and childhood AML. The association with maternal smoking appears limited to Hispanic children, raising questions about ethnic differences in tobacco-related exposures and biological mechanisms, as well as study-specific biases.
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Affiliation(s)
- Catherine Metayer
- Correspondence to Dr. Catherine Metayer, School of Public Health, University of California, Berkeley, 1995 University Avenue, Suite 460, Berkeley, CA 94704-7392 (e-mail: )
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23
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Jacob N, Golmard JL, Berlin I. Fetal exposure to tobacco: nicotine and cotinine concentration in amniotic fluid and maternal saliva. J Matern Fetal Neonatal Med 2016; 30:233-239. [DOI: 10.3109/14767058.2016.1169523] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Yeung EH, Louis GB, Lawrence D, Kannan K, McLain AC, Caggana M, Druschel C, Bell E. Eliciting parental support for the use of newborn blood spots for pediatric research. BMC Med Res Methodol 2016; 16:14. [PMID: 26846420 PMCID: PMC4741027 DOI: 10.1186/s12874-016-0120-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2015] [Accepted: 02/02/2016] [Indexed: 11/18/2022] Open
Abstract
Background Biomarkers of exposures such as infection or environmental chemicals can be measured in small volumes of blood extracted from newborn dried blood spots (DBS) underscoring their potential utility for population-based research. However, few studies have evaluated the feasibility and utility of this resource; particularly the factors associated with parental consent, and the ability to retrieve banked samples with sufficient remaining volume for epidemiologic research. Methods At 8 months postpartum, 5,034 mothers of infants born (2008–2010) in New York (57 counties excluding New York City) were asked to consent for the use of residual DBS for the quantification of cytokines and environmental chemicals. Mothers were part of the Upstate KIDS study, a longitudinal birth cohort designed to evaluate child development through 3 years of age. Information on parental and infant characteristics was obtained from birth certificates and maternal report at 4 months postpartum. Multivariate logistic regression was used to identify factors associated with parental consent and with successful retrieval of DBS. Results Sixty-two percent (n = 3125) of parents consented. Factors significantly associated with consent included non-Hispanic ethnicity (odds ratio 2.04; 95 % CI: 1.43–2.94), parity (1.29; 1.05–1.57), maternal obesity (1.42; 1.11–1.80) and reported alcohol use during pregnancy (1.51; 1.12–2.06). However, these associations corresponded to small absolute differences in proportions (4 to 8 %), suggesting that the two groups remained comparable. Infant characteristics such as preterm delivery did not significantly differ by consent status among singletons and only ventilator use (OR 2.39; 95 % CI: 1.06–5.41) remained borderline significant among twins in adjusted analyses. Among consented infants, 99 % had at least one 3.2 mm punch successfully retrieved for biomarker analyses and 84 % had a full DBS circle available. Conclusion Parental characteristics varied slightly by consent, and the availability of samples for research purposes was high, demonstrating the feasibility of this resource for population based research.
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Affiliation(s)
- Edwina H Yeung
- Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, 6100 Executive Blvd, 7B03, Rockville, MD, 20852, USA.
| | - Germaine Buck Louis
- Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, 6100 Executive Blvd, 7B03, Rockville, MD, 20852, USA
| | - David Lawrence
- Laboratory of Immunology, Wadsworth Center, Center for Medical Science, Albany, NY, 12203, USA.,Department of Environmental Health Sciences, University at Albany School of Public Health, Albany, USA
| | - Kurunthachalam Kannan
- Laboratory of Organic Analytical Chemistry, Wadsworth Center, New York State Department of Health, Albany, NY, 12203, USA.,Department of Environmental Health Sciences, University at Albany School of Public Health, Albany, USA
| | - Alexander C McLain
- Department of Epidemiology and Biostatistics, Arnold School of Public Health, Columbia, SC, USA
| | - Michele Caggana
- Laboratory of Human Genetics, Wadsworth Center, New York State Department of Health, Albany, NY, 12203, USA
| | - Charlotte Druschel
- Bureau of Environmental and Occupational Epidemiology, Center for Environmental Health, New York State Department of Health, Albany, NY, 12203, USA.,Department of Epidemiology and Biostatistics, University at Albany School of Public Health, Albany, NY, 12144, USA
| | - Erin Bell
- Department of Environmental Health Sciences, University at Albany School of Public Health, Albany, USA.,Department of Epidemiology and Biostatistics, University at Albany School of Public Health, Albany, NY, 12144, USA
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Carmichael SL, Blumenfeld YJ, Mayo J, Wei E, Gould JB, Stevenson DK, Shaw GM. Prepregnancy Obesity and Risks of Stillbirth. PLoS One 2015; 10:e0138549. [PMID: 26466315 PMCID: PMC4605840 DOI: 10.1371/journal.pone.0138549] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2015] [Accepted: 09/01/2015] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND We examined the association of maternal obesity with risk of stillbirth, focusing on whether the pattern of results varied by gestational age or maternal race-ethnicity or parity. METHODS Analyses included 4,012 stillbirths and 1,121,234 liveborn infants delivered in California from 2007-2010. We excluded stillbirths due to congenital anomalies, women with hypertensive disorders or diabetes, and plural births, to focus on fetuses and women without these known contributing conditions. We used Poisson regression to estimate relative risks (RR) and 95% confidence intervals (CI). Separate models were run for stillbirths delivered at 20-23, 24-27, 28-31, 32-36, 37-41 weeks, relative to liveborn deliveries at 37-41 weeks. RESULTS For stillbirth at 20-23 weeks, RRs were elevated for all race-ethnicity and parity groups. The RR for a 20-unit change in BMI (which reflects the approximate BMI difference between a normal weight and an Obese III woman) was 3.5 (95% CI 2.2, 5.6) for nulliparous white women and ranged from 1.8 to 5.0 for other sub-groups. At 24-27 weeks, the association was significant (p<0.05) only for multiparous non-Hispanic whites; at 28-31 weeks, for multiparous whites and nulliparous whites and blacks; at 32-36 weeks, for multiparous whites and nulliparous blacks; and at 37-41 weeks, for all groups except nulliparous blacks. The pattern of results was similar when restricted to stillbirths due to unknown causes and somewhat stronger when restricted to stillbirths attributable to obstetric causes. CONCLUSION Increased risks were observed across all gestational ages, and some evidence of heterogeneity of the associations was observed by race-ethnicity and parity.
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Affiliation(s)
- Suzan L. Carmichael
- Department of Pediatrics, Stanford University School of Medicine, Stanford, California, United States of America
| | - Yair J. Blumenfeld
- Department of Obstetrics and Gynecology, Stanford University School of Medicine, Stanford, California, United States of America
| | - Jonathan Mayo
- Department of Pediatrics, Stanford University School of Medicine, Stanford, California, United States of America
| | - Emily Wei
- Department of Pediatrics, Stanford University School of Medicine, Stanford, California, United States of America
| | - Jeffrey B. Gould
- Department of Pediatrics, Stanford University School of Medicine, Stanford, California, United States of America
| | - David K. Stevenson
- Department of Pediatrics, Stanford University School of Medicine, Stanford, California, United States of America
| | - Gary M. Shaw
- Department of Pediatrics, Stanford University School of Medicine, Stanford, California, United States of America
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The effects of electronic cigarette emissions on systemic cotinine levels, weight and postnatal lung growth in neonatal mice. PLoS One 2015; 10:e0118344. [PMID: 25706869 PMCID: PMC4338219 DOI: 10.1371/journal.pone.0118344] [Citation(s) in RCA: 108] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2014] [Accepted: 01/14/2015] [Indexed: 01/20/2023] Open
Abstract
Background/Objective Electronic cigarette (E-cigarettes) emissions present a potentially new hazard to neonates through inhalation, dermal and oral contact. Exposure to nicotine containing E-cigarettes may cause significant systemic absorption in neonates due to the potential for multi-route exposure. Systemic absorption of nicotine and constituents of E-cigarette emissions may adversely impact weight and lung development in the neonate. To address these questions we exposed neonatal mice to E-cigarette emissions and measured systemic cotinine levels and alveolar lung growth. Methods/Main Results Neonatal mice were exposed to E-cigarettes for the first 10 days of life. E-cigarette cartridges contained either 1.8% nicotine in propylene glycol (PG) or PG vehicle alone. Daily weights, plasma and urine cotinine levels and lung growth using the alveolar mean linear intercept (MLI) method were measured at 10 days of life and compared to room air controls. Mice exposed to 1.8% nicotine/PG had a 13.3% decrease in total body weight compared to room air controls. Plasma cotinine levels were found to be elevated in neonatal mice exposed to 1.8% nicotine/PG E-cigarettes (mean 62.34± 3.3 ng/ml). After adjusting for sex and weight, the nicotine exposed mice were found to have modestly impaired lung growth by MLI compared to room air control mice (p<.054 trial 1; p<.006 trial 2). These studies indicate that exposure to E-cigarette emissions during the neonatal period can adversely impact weight gain. In addition exposure to nicotine containing E-cigarettes can cause detectable levels of systemic cotinine, diminished alveolar cell proliferation and a modest impairment in postnatal lung growth.
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Nicotine during pregnancy: changes induced in neurotransmission, which could heighten proclivity to addict and induce maladaptive control of attention. J Dev Orig Health Dis 2014; 6:169-81. [PMID: 25385318 DOI: 10.1017/s2040174414000531] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Prenatal exposure to nicotine, occurring either via maternal smoking or via use of transdermal nicotine patches to facilitate cigarette abstinence by pregnant women, is associated with ∼ 13% of pregnancies worldwide. Nicotine exposure during gestation has been correlated with several negative physiological and psychosocial outcomes, including heightened risk for aberrant behaviors involving alterations in processing of attention as well as an enhanced liability for development of drug dependency. Nicotine is a terotogen, altering neuronal development of various neurotransmitter systems, and it is likely these alterations participate in postnatal deficits in attention control and facilitate development of drug addiction. This review discusses the alterations in neuronal development within the brain's major neurotransmitter systems, with special emphasis placed on alterations within the laterodorsal tegmental nucleus, in light of the role this cholinergic nucleus plays in attention and addiction. Changes induced within this nucleus by gestational exposure to nicotine, in combination with changes induced in other brain regions, are likely to contribute to the transgenerational burden imposed by nicotine. Although neuroplastic changes induced by nicotine are not likely to act in isolation, and are expected to interact with epigenetic changes induced by preconception exposure to drugs of abuse, unraveling these changes within the developing brain will facilitate eventual development of targeted treatments for the unique vulnerability for arousal disorders and development of addiction within the population of individuals who have been prenatally exposed to nicotine.
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