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Daiber A, Kuntic M, Oelze M, Hahad O, Münzel T. E-cigarette effects on vascular function in animals and humans. Pflugers Arch 2023:10.1007/s00424-023-02813-z. [PMID: 37084087 DOI: 10.1007/s00424-023-02813-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 04/05/2023] [Accepted: 04/07/2023] [Indexed: 04/22/2023]
Abstract
Smoking tobacco cigarettes is a significant (cardiovascular) health risk factor. Although the number of tobacco cigarette users declined over the last decades, shisha smoking and e-cigarette vaping partially compensated for this health benefit. E-cigarettes may create highly addicted dual users (vaping and smoking). E-cigarettes seem not to represent a healthier alternative to tobacco smoking, although they may be less harmful. E-cigarette vaping causes oxidative stress, inflammation, endothelial dysfunction, and associated cardiovascular sequelae. This is primarily due to a significant overlap of toxic compounds in the vapor compared to tobacco smoke and, accordingly, a substantial overlap of pathomechanistic features between vaping and smoking. Whereas the main toxins in vapor are reactive aldehydes such as formaldehyde and acrolein, the toxic mixture in smoke is more complex, comprising particulate matter, reactive gases, transition metals, volatile organic compounds, and N-nitrosamines. However, it seems that both lifestyle drugs impair endothelial function to a quite similar extent, which may be due to the role of oxidative stress as the central pathomechanism to mediate endothelial dysfunction and vascular damage. Finally, the main selling argument for e-cigarette use that they help to quit smoking and get rid of nicotine addiction may be false because it seems that e-cigarettes instead trigger the opposite-younger entrance age and more frequent use. With our review, we summarize the adverse health impact of tobacco cigarettes and e-cigarettes, emphasizing the detrimental effects on endothelial function and cardiovascular health.
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Affiliation(s)
- Andreas Daiber
- Department of Cardiology 1, University Medical Center of the Johannes Gutenberg University, Langenbeckstr. 1, 55131, Mainz, Germany.
- German Center for Cardiovascular Research (DZHK), Partnersite Rhine-Main, Mainz, Germany.
| | - Marin Kuntic
- Department of Cardiology 1, University Medical Center of the Johannes Gutenberg University, Langenbeckstr. 1, 55131, Mainz, Germany
- German Center for Cardiovascular Research (DZHK), Partnersite Rhine-Main, Mainz, Germany
| | - Matthias Oelze
- Department of Cardiology 1, University Medical Center of the Johannes Gutenberg University, Langenbeckstr. 1, 55131, Mainz, Germany
| | - Omar Hahad
- Department of Cardiology 1, University Medical Center of the Johannes Gutenberg University, Langenbeckstr. 1, 55131, Mainz, Germany
- German Center for Cardiovascular Research (DZHK), Partnersite Rhine-Main, Mainz, Germany
| | - Thomas Münzel
- Department of Cardiology 1, University Medical Center of the Johannes Gutenberg University, Langenbeckstr. 1, 55131, Mainz, Germany.
- German Center for Cardiovascular Research (DZHK), Partnersite Rhine-Main, Mainz, Germany.
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2
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Montjean D, Godin Pagé MH, Bélanger MC, Benkhalifa M, Miron P. An Overview of E-Cigarette Impact on Reproductive Health. Life (Basel) 2023; 13:life13030827. [PMID: 36983982 PMCID: PMC10053939 DOI: 10.3390/life13030827] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 03/02/2023] [Accepted: 03/16/2023] [Indexed: 03/30/2023] Open
Abstract
Electronic cigarettes (e-cigarettes) are often considered a "safe substitute" for conventional cigarette cessation. The composition of the fluid is not always clearly defined and shows a large variation within brands and manufacturers. More than 80 compounds were detected in liquids and aerosols. E-cigarettes contain nicotine, and the addition of flavorings increases the toxicity of e-cigarette vapour in a significant manner. The heat generated by the e-cigarette leads to the oxidation and decomposition of its components, eventually forming harmful constituents in the inhaled vapour. The effects of these toxicants on male and female reproduction are well established in conventional cigarette smokers. Although toxins were measured at much lower levels in e-cigarette aerosols compared to smoke from a conventional cigarette, there are concerns about their potential impact on male and female reproduction. The information available was mainly obtained from studies conducted in animal models, and investigations in humans are scarce. However, the effects observed in animal models suggest that caution should be taken when vaping and that more research needs to be conducted to identify its potential adverse effects on fertility. The prevalence of e-cigarette usage is alarming, and warnings should be made about the impact of vaping on reproductive health. This document reviews the data regarding the impact of e-cigarette use on male and female reproduction.
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Affiliation(s)
- Debbie Montjean
- Fertilys Fertility Center, 1950 Maurice-Gauvin Street, Laval, QC H7S 1Z5, Canada
| | | | - Marie-Claire Bélanger
- Fertilys Fertility Center, 1950 Maurice-Gauvin Street, Laval, QC H7S 1Z5, Canada
- Centre de Recherche du Centre Hospitalier de l'Université de Montréal (CRCHUM), CHUM Research Center, 900 Saint-Denis Street, Montreal, QC H2X 0A9, Canada
| | - Moncef Benkhalifa
- Fertilys Fertility Center, 1950 Maurice-Gauvin Street, Laval, QC H7S 1Z5, Canada
- Médecine et Biologie de la Reproduction et Laboratoire PERITOX, Université Picardie Jules Verne, CBH-CHU Amiens Picardie, 1 Rond-Point du Professeur Christian Cabrol, 80054 Amiens, France
| | - Pierre Miron
- Fertilys Fertility Center, 1950 Maurice-Gauvin Street, Laval, QC H7S 1Z5, Canada
- Institut National de Recherche Scientifique-Centre Armand-Frappier Santé Biotechnologie, 531 Boulevard des Prairies, Laval, QC H7V 1B7, Canada
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3
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Vilcassim MJR, Stowe S, Majumder R, Subramaniam A, Sinkey RG. Electronic Cigarette Use during Pregnancy: Is It Harmful? TOXICS 2023; 11:278. [PMID: 36977043 PMCID: PMC10058591 DOI: 10.3390/toxics11030278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 03/14/2023] [Accepted: 03/15/2023] [Indexed: 06/18/2023]
Abstract
Although combustible cigarette smoking rates have declined in recent years, alternative tobacco product use, particularly electronic cigarette use ("vaping"), has increased among young adults. Recent studies indicate that vaping during pregnancy is on the rise, possibly due to the perception that it is a safer alternative to combustible cigarette smoking. However, e-cigarette aerosols may contain several newer, potentially toxic compounds, including some known developmental toxicants that may adversely impact both the mother and the fetus. However, there is paucity of studies that have examined the effects of vaping during pregnancy. While the adverse perinatal outcomes of cigarette smoking during pregnancy are well established, the specific risks associated with inhaling vaping aerosols during pregnancy requires more research. In this article, we discuss the existing evidence and knowledge gaps on the risks of vaping during pregnancy. Studies that investigate vaping-associated systemic exposure and its effects (i.e., biomarker analyses) and maternal and neonatal clinical health outcomes are needed to reach more robust conclusions. We particularly emphasize the need to go beyond comparative studies with cigarettes, and advocate for research that objectively evaluates the safety of e-cigarettes and other alternative tobacco products.
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Affiliation(s)
- M. J. Ruzmyn Vilcassim
- Department of Environmental Health Sciences, School of Public Health, The University of Alabama at Birmingham, Birmingham, AL 35233, USA;
| | - Samuel Stowe
- Department of Environmental Health Sciences, School of Public Health, The University of Alabama at Birmingham, Birmingham, AL 35233, USA;
| | - Rachel Majumder
- School of Health Professions, The University of Alabama at Birmingham, Birmingham, AL 35233, USA
| | - Akila Subramaniam
- Center for Women’s Reproductive Health, Division of Maternal Fetal Medicine, Heersink School of Medicine, The University of Alabama at Birmingham, Birmingham, AL 35233, USA; (A.S.); (R.G.S.)
| | - Rachel G. Sinkey
- Center for Women’s Reproductive Health, Division of Maternal Fetal Medicine, Heersink School of Medicine, The University of Alabama at Birmingham, Birmingham, AL 35233, USA; (A.S.); (R.G.S.)
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4
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Kishinchand R, Boyce M, Vyas H, Sewell L, Mohi A, Brengartner L, Miller R, Gorr MW, Wold LE, Cray J. In Utero Exposure to Maternal Electronic Nicotine Delivery System use Demonstrate Alterations to Craniofacial Development. Cleft Palate Craniofac J 2023:10556656231163400. [PMID: 36916055 DOI: 10.1177/10556656231163400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023] Open
Abstract
OBJECTIVE Develop a model for the study of Electronic Nicotine Device (ENDS) exposure on craniofacial development. DESIGN Experimental preclinical design followed as pregnant murine dams were randomized and exposed to filtered air exposure, carrier exposure consisting of 50% volume of propylene glycol and vegetable glycine (ENDS Carrier) respectively, or carrier exposure with 20 mg/ml of nicotine added to the liquid vaporizer (ENDS carrier with nicotine). SETTING Preclinical murine model exposure using the SciReq exposure system. PARTICIPANTS C57BL6 adult 8 week old female pregnant mice and exposed in utero litters. INTERVENTIONS Exposure to control filtered air, ENDS carrier or ENDS carrier with nicotine added throughout gestation at 1 puff/minute, 4 h/day, five days a week. MAIN OUTCOME MEASURES Cephalometric measures of post-natal day 15 pups born as exposed litters. RESULTS Data suggests alterations to several facial morphology parameters in the developing offspring, suggesting electronic nicotine device systems may alter facial growth if used during pregnancy. CONCLUSIONS Future research should concentrate on varied formulations and exposure regimens of ENDS to determine timing windows of exposures and ENDS formulations that may be harmful to craniofacial development.
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Affiliation(s)
- Rajiv Kishinchand
- Department of Biomedical Education and Anatomy, 12305The Ohio State University College of Medicine, Columbus, OH 43210, USA
| | - Mark Boyce
- Department of Biomedical Education and Anatomy, 12305The Ohio State University College of Medicine, Columbus, OH 43210, USA
| | - Heema Vyas
- Department of Biomedical Education and Anatomy, 12305The Ohio State University College of Medicine, Columbus, OH 43210, USA
| | - Leslie Sewell
- Department of Biomedical Education and Anatomy, 12305The Ohio State University College of Medicine, Columbus, OH 43210, USA
| | - Amr Mohi
- Department of Biomedical Education and Anatomy, 12305The Ohio State University College of Medicine, Columbus, OH 43210, USA
| | - Lexie Brengartner
- Department of Biomedical Education and Anatomy, 12305The Ohio State University College of Medicine, Columbus, OH 43210, USA
| | - Roy Miller
- School of Nursing, 2647The Ohio State University, Columbus, OH 43210, USA
| | - Matthew W Gorr
- School of Nursing, 2647The Ohio State University, Columbus, OH 43210, USA.,Department of Physiology and Cell Biology, 12305The Ohio State University College of Medicine, Columbus, OH 43210, USA
| | - Loren E Wold
- School of Nursing, 2647The Ohio State University, Columbus, OH 43210, USA.,Department of Physiology and Cell Biology, 12305The Ohio State University College of Medicine, Columbus, OH 43210, USA
| | - James Cray
- Department of Biomedical Education and Anatomy, 12305The Ohio State University College of Medicine, Columbus, OH 43210, USA.,Division of Biosciences, College of Dentistry, 2647The Ohio State University, Columbus, OH 43210, USA
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5
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Nanninga EK, Weiland S, Berger MY, Feijen-de Jong EI, Erwich JJHM, Peters LL. Adverse Maternal and Infant Outcomes of Women Who Differ in Smoking Status: E-Cigarette and Tobacco Cigarette Users. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:ijerph20032632. [PMID: 36768007 PMCID: PMC9915204 DOI: 10.3390/ijerph20032632] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/27/2023] [Accepted: 01/28/2023] [Indexed: 05/12/2023]
Abstract
The electronic cigarette (e-cigarette) became commercially available around 2004, yet the characteristics of pregnant women who use these devices and their effects on maternal and infant health remain largely unknown. This study aimed to investigate maternal characteristics and pregnancy outcomes according to maternal smoking status. We conducted a cross-sectional study of Dutch women with reported pregnancies between February 2019 and May 2022, using an online questionnaire to collect data on smoking status and demographic, lifestyle, pregnancy, and infant characteristics. Smoking status is compared among non-smokers, tobacco cigarette users, e-cigarette users, and dual users (tobacco and e-cigarette). We report descriptive statistics and calculate differences in smoking status between women with the chi-square or Fisher (Freeman-Halton) test. Of the 1937 included women, 88.1% were non-smokers, 10.8% were tobacco cigarette users, 0.5% were e-cigarette users, and 0.6% were dual users. Compared with tobacco users, e-cigarette users more often reported higher education, having a partner, primiparity, and miscarriages. Notably, women who used e-cigarettes more often had small infants for gestational age. Despite including few women in the e-cigarette subgroup, these exploratory results indicate the need for more research to examine the impact of e-cigarettes on pregnancy outcomes.
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Affiliation(s)
- Eline K. Nanninga
- Amsterdam UMC, Location Vrije Universiteit Amsterdam, Midwifery Science, De Boelelaan 1117, 1081 HV Amsterdam, The Netherlands
| | - Stella Weiland
- Amsterdam UMC, Location Vrije Universiteit Amsterdam, Midwifery Science, De Boelelaan 1117, 1081 HV Amsterdam, The Netherlands
- Midwifery Academy Amsterdam Groningen, InHolland, Dirk Huizingastraat 3-5, 9713 GL Groningen, The Netherlands
- Department of General Practice & Elderly Care Medicine, University Medical Centre Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
- Amsterdam Reproduction and Development, De Boelelaan 1117, 1081 HV Amsterdam, The Netherlands
| | - Marjolein Y. Berger
- Department of General Practice & Elderly Care Medicine, University Medical Centre Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Esther I. Feijen-de Jong
- Amsterdam UMC, Location Vrije Universiteit Amsterdam, Midwifery Science, De Boelelaan 1117, 1081 HV Amsterdam, The Netherlands
- Midwifery Academy Amsterdam Groningen, InHolland, Dirk Huizingastraat 3-5, 9713 GL Groningen, The Netherlands
- Department of General Practice & Elderly Care Medicine, University Medical Centre Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
- Amsterdam Reproduction and Development, De Boelelaan 1117, 1081 HV Amsterdam, The Netherlands
| | - Jan Jaap H. M. Erwich
- Department of Obstetrics & Gynecology, University Medical Centre Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Lilian L. Peters
- Amsterdam UMC, Location Vrije Universiteit Amsterdam, Midwifery Science, De Boelelaan 1117, 1081 HV Amsterdam, The Netherlands
- Midwifery Academy Amsterdam Groningen, InHolland, Dirk Huizingastraat 3-5, 9713 GL Groningen, The Netherlands
- Department of General Practice & Elderly Care Medicine, University Medical Centre Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
- Amsterdam Reproduction and Development, De Boelelaan 1117, 1081 HV Amsterdam, The Netherlands
- Correspondence:
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6
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Aboaziza E, Feaster K, Hare L, Chantler PD, Olfert IM. Maternal electronic cigarette use during pregnancy affects long-term arterial function in offspring. J Appl Physiol (1985) 2023; 134:59-71. [PMID: 36417201 PMCID: PMC9762967 DOI: 10.1152/japplphysiol.00582.2022] [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] [Received: 10/03/2022] [Revised: 11/22/2022] [Accepted: 11/22/2022] [Indexed: 11/24/2022] Open
Abstract
Vaping, or electronic cigarette (ecig) use, is prevalent among pregnant women, although little is known about the effects of perinatal ecig use on cardiovascular health of the progeny (even when using nicotine-free e-liquid). Maternal toxicant inhalation may adversely affect vital conduit vessel development. We tested the hypothesis that perinatal exposure to maternal vaping would lead to a dose-dependent dysfunction that would persist into later life of offspring. Pregnant Sprague-Dawley rats were exposed to either nicotine-free (ecig0) or nicotine-containing ecig aerosol (18 mg/mL, ecig18) starting on gestational day 2 and continued until pups were weaned (postnatal day 21). Pups were never directly exposed. Conduit artery function (stiffness and reactivity) and structure were assessed in 3- and 7-mo-old offspring. At 3 mo, pulse wave velocity (PWV) in the ecig0 and ecig18 offspring was significantly higher than controls in both the 20 puffs/day (6.6 ± 2.1 and 4.8 ± 1.3 vs. 3.2 ± 0.7 m/s, respectively, P < 0.05, means ± SD) and in 60 puffs/day exposure cohort (7.5 ± 2.8 and 7.5 ± 2.5 vs. 3.2 ± 0.5 m/s, respectively, P < 0.01). Wire myography revealed (range of 23%-31%) impaired aortic relaxation in all ecig exposure groups (with or without nicotine). Incubation of vessels with TEMPOL or Febuxostat reversed the aortic dysfunction, implicating the involvement of reactive oxygen species. Nearly identical changes and pattern was seen in vascular outcomes of 7-mo-old offspring. The take-home message from this preclinical study is that maternal vaping during pregnancy, with or without nicotine, leads to maladaptations in vascular (aortic) development that persist into adult life of offspring.NEW & NOTEWORTHY We observe a significant alteration in arterial structure and function in adolescent and adult offspring due to developmental exposure to toxicants resulting from perinatal maternal vaping. Taken together with previous work that described lasting dysfunction in cerebral microvasculature in offspring, these data underscore the adverse consequences of maternal exposure to electronic cigarette aerosol in conduit and resistance vessels alike, irrespective of nicotine content.
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Affiliation(s)
- Eiman Aboaziza
- West Virginia Clinical and Translational Science Institute, West Virginia University School of Medicine, Morgantown, West Virginia
- WVU Center of Inhalation Toxicology, West Virginia University School of Medicine, Morgantown, West Virginia
| | - Kimberly Feaster
- Department of Pathology, Anatomy and Laboratory Medicine, West Virginia University School of Medicine, Morgantown, West Virginia
| | - Lance Hare
- WVU Center of Inhalation Toxicology, West Virginia University School of Medicine, Morgantown, West Virginia
| | - Paul D Chantler
- West Virginia Clinical and Translational Science Institute, West Virginia University School of Medicine, Morgantown, West Virginia
- WVU Center of Inhalation Toxicology, West Virginia University School of Medicine, Morgantown, West Virginia
- Division of Exercise Physiology, West Virginia University School of Medicine, Morgantown, West Virginia
| | - I Mark Olfert
- West Virginia Clinical and Translational Science Institute, West Virginia University School of Medicine, Morgantown, West Virginia
- WVU Center of Inhalation Toxicology, West Virginia University School of Medicine, Morgantown, West Virginia
- Division of Exercise Physiology, West Virginia University School of Medicine, Morgantown, West Virginia
- Department of Physiology and Pharmacology, West Virginia University School of Medicine, Morgantown, West Virginia
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7
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Altered Fetal Cardiac Function in Smoking During Pregnancy. JOURNAL OF FETAL MEDICINE 2022. [DOI: 10.1007/s40556-022-00349-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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8
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Abstract
Prenatal exposure to tobacco smoke remains common, through active smoking and/or passive environmental exposure, and is linked to adverse childhood outcomes. Not only have high-quality studies and meta-analyses demonstrated increased risks of prenatal as well as postnatal complications, but adverse child outcomes are well described. In utero exposure to tobacco smoke has been associated with congenital anomalies, infant and teenager overweight and obesity, and neuropsychiatric sequelae. In addition, certain childhood malignancies have been linked to paternal smoking during pregnancy. In this chapter, adverse childhood outcomes related to intrauterine exposure to electronic cigarettes and marijuana are described.
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Affiliation(s)
- Michelle C. Maciag
- Asthma & Allergy Affiliates, Salem, MA
- Boston Children’s Hospital, Division of Allergy and Immunology, Boston, MA
- Harvard Medical School, Boston, MA
| | - Aroub Yousuf
- Boston College, Division of General Pediatrics, Pediatric Environmental Health Center, Boston, MA
| | - Marissa Hauptman
- Harvard Medical School, Boston, MA
- Boston Children’s Hospital, Division of General Pediatrics, Pediatric Environmental Health Center, Boston, MA
- Region 1 New England Pediatric Environmental Health Specialty Unit, Boston, MA
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9
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Dickinson AJG, Turner SD, Wahl S, Kennedy AE, Wyatt BH, Howton DA. E-liquids and vanillin flavoring disrupts retinoic acid signaling and causes craniofacial defects in Xenopus embryos. Dev Biol 2022; 481:14-29. [PMID: 34543654 PMCID: PMC8665092 DOI: 10.1016/j.ydbio.2021.09.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 09/08/2021] [Accepted: 09/11/2021] [Indexed: 01/03/2023]
Abstract
Environmental teratogens such as smoking are known risk factors for developmental disorders such as cleft palate. While smoking rates have declined, a new type of smoking, called vaping is on the rise. Vaping is the use of e-cigarettes to vaporize and inhale an e-liquid containing nicotine and food-like flavors. There is the potential that, like smoking, vaping could also pose a danger to the developing human. Rather than waiting for epidemiological and mammalian studies, we have turned to an aquatic developmental model, Xenopus laevis, to more quickly assess whether e-liquids contain teratogens that could lead to craniofacial malformations. Xenopus, like zebrafish, has the benefit of being a well-established developmental model and has also been effective in predicting whether a chemical could be a teratogen. We have determined that embryonic exposure to dessert flavored e-liquids can cause craniofacial abnormalities, including an orofacial cleft in Xenopus. To better understand the underlying mechanisms contributing to these defects, transcriptomic analysis of the facial tissues of embryos exposed to a representative dessert flavored e-liquid vapor extract was performed. Analysis of differentially expressed genes in these embryos revealed several genes associated with retinoic acid metabolism or the signaling pathway. Consistently, retinoic acid receptor inhibition phenocopied the craniofacial defects as those embryos exposed to the vapor extract of the e-liquid. Such malformations also correlated with a group of common differentially expressed genes, two of which are associated with midface birth defects in humans. Further, e-liquid exposure sensitized embryos to forming craniofacial malformations when they already had depressed retinoic acid signaling. Moreover, 13-cis-retinoic acid treatment could significantly reduce the e-liquid induced malformation in the midface. Such results suggest the possibility of an interaction between retinoic acid signaling and e-liquid exposure. One of the most popular and concentrated flavoring chemicals in dessert flavored e-liquids is vanillin. Xenopus embryos exposed to this chemical closely resembled embryos exposed to dessert-like e-liquids and a retinoic acid receptor antagonist. In summary, we determined that e-liquid chemicals, in particular vanillin, can cause craniofacial defects potentially by dysregulating retinoic acid signaling. This work warrants the evaluation of vanillin and other such flavoring additives in e-liquids on mammalian development.
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Affiliation(s)
| | - Stephen D Turner
- Department of Public Health Sciences, University of Virginia School of Medicine, Charlottesville, VA, USA; Signature Science LLC, Charlottesville, VA, USA
| | - Stacey Wahl
- Research and Education Department, Tompkins-McCaw Library for the Health Sciences, Virginia Commonwealth University, Richmond, VA, USA
| | - Allyson E Kennedy
- Directorate for Computer and Information Science and Engineering, National Science Foundation, Alexandria, VA, USA
| | - Brent H Wyatt
- Department of Molecular Biomedical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, 27607, USA
| | - Deborah A Howton
- Department of Biology, Virginia Commonwealth University, Richmond, VA, USA
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10
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Walayat A, Li Y, Zhang Y, Fu Y, Liu B, Shao XM, Zhang L, Xiao D. Fetal e-cigarette exposure programs a neonatal brain hypoxic-ischemic sensitive phenotype via altering DNA methylation patterns and autophagy signaling pathway. Am J Physiol Regul Integr Comp Physiol 2021; 321:R791-R801. [PMID: 34524928 PMCID: PMC8616627 DOI: 10.1152/ajpregu.00207.2021] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 09/08/2021] [Accepted: 09/14/2021] [Indexed: 02/07/2023]
Abstract
Maternal e-cigarette (e-cig) exposure is a pressing perinatal health concern. Emerging evidence reveals its potential adverse impacts on brain development in offspring, yet the underlying mechanisms are poorly understood. The present study tested the hypothesis that fetal e-cig exposure induces an aberrant DNA methylation profile in the developing brain, leading to alteration of autophagic flux signaling and programming of a sensitive phenotype to neonatal hypoxic-ischemic encephalopathy (HIE). Pregnant rats were exposed to chronic intermittent e-cig aerosol. Neonates were examined at the age of 9 days old. Maternal e-cig exposure decreased the body weight and brain weight but enhanced the brain-to-body weight ratio in the neonates. E-cig exposure induced a gender-dependent increase in hypoxic-ischemia-induced brain injury in male neonates associated with enhanced reactive oxygen species (ROS) activity. It differentially altered DNA methyltransferase expression and enhanced both global DNA methylation levels and specific CpG methylation at the autophagy-related gene 5 (ATG5) promoter. In addition, maternal e-cig exposure caused downregulations of ATG5, microtubule-associated protein 1 light chain 3β, and sirtuin 1 expression in neonatal brains. Of importance, knockdown of ATG5 in neonatal pups exaggerated neonatal HIE. In conclusion, the present study reveals that maternal e-cig exposure downregulates autophagy-related gene expression via DNA hypermethylation, leading to programming of a hypoxic-ischemic sensitive phenotype in the neonatal brain.
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Affiliation(s)
- Andrew Walayat
- Lawrence D. Longo MD Center for Perinatal Biology, Division of Pharmacology, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, California
| | - Yong Li
- Lawrence D. Longo MD Center for Perinatal Biology, Division of Pharmacology, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, California
| | - Yanyan Zhang
- Lawrence D. Longo MD Center for Perinatal Biology, Division of Pharmacology, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, California
| | - Yingjie Fu
- Lawrence D. Longo MD Center for Perinatal Biology, Division of Pharmacology, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, California
| | - Bailin Liu
- Lawrence D. Longo MD Center for Perinatal Biology, Division of Pharmacology, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, California
| | - Xuesi M Shao
- Department of Neurobiology, David Geffen School of Medicine at UCLA, University of California at Los Angeles, Los Angeles, California
| | - Lubo Zhang
- Lawrence D. Longo MD Center for Perinatal Biology, Division of Pharmacology, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, California
| | - Daliao Xiao
- Lawrence D. Longo MD Center for Perinatal Biology, Division of Pharmacology, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, California
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11
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McBride M, Haile ZT. Association Between Electronic Nicotine Delivery Systems Use and Breastfeeding Duration. Breastfeed Med 2021; 16:886-893. [PMID: 34297610 DOI: 10.1089/bfm.2021.0132] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Background: Breastfeeding is beneficial for both mothers and infants. Unfortunately, some infants are not breastfed for the recommended duration of time. Previous studies have identified several demographic, socioeconomic, biological, and behavioral factors that impact breastfeeding practices. Studies examining the influence of electronic nicotine delivery systems (ENDS) on breastfeeding practices are currently lacking. Materials and Methods: This population-based, cross-sectional study used data from the 2016-2018 Pregnancy Risk Assessment and Monitoring System (n = 42,827). Chi-squared tests and multivariable logistic regression analyses were performed. Results: The prevalence of prenatal ENDS use was 0.9%. Only 40.8% of women who used ENDS during pregnancy breastfed for at least 3 months compared with 68.5% of women who did not use ENDS during pregnancy. In the multivariable model, the odds of breastfeeding for at least 3 months were significantly lower in women who used ENDS during pregnancy compared with those who did not use ENDS; odds ratio (95% confidence interval) 0.63 (0.44-0.89; p = 0.010). Conclusion: Prenatal exposure to ENDS is negatively associated with breastfeeding duration, independent of potential confounders. This finding suggests that screening for ENDS use during pregnancy can play a vital role in identifying women at-risk for suboptimal breastfeeding and offering ongoing support to improve breastfeeding practices.
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Affiliation(s)
- Megan McBride
- Heritage College of Osteopathic Medicine, Ohio University, Dublin, Ohio, USA
| | - Zelalem T Haile
- Department of Social Medicine, Heritage College of Osteopathic Medicine, Ohio University, Dublin, Ohio, USA
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Qamar W, Altamimi MA, Rehman MU, Ali N, Imam F, Alanazi FE. Toxicological interaction between tobacco smoke toxicants cadmium and nicotine: An in-vitro investigation. Saudi J Biol Sci 2021; 28:4201-4209. [PMID: 34354400 PMCID: PMC8324994 DOI: 10.1016/j.sjbs.2021.05.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 04/27/2021] [Accepted: 05/04/2021] [Indexed: 11/16/2022] Open
Abstract
Cigarettes and other tobacco products are used to obtain nicotine that is responsible for their stimulating effects. However, a lot of other organic and inorganic chemicals are also released along with nicotine. Cadmium (Cd) is one of the several heavy metals that are health hazards and is one of the inorganic elements released in tobacco smoke. The in-vitro investigation focused on exploring the effects of nicotine hydrogen tartrate (NHT) and cadmium (Cd) and their toxic interactions in the A549 cell line. In cell viability assay NHT exhibited its IC50 at 11.71 mM concentration, and the IC50 of Cd was found to be 83 µM after a 24 h exposure. Toxic effects of NHT (5 mM and 10 mM), Cd (50 µM and 100 µM), and their combination were also investigated by flowcytometry. The investigation included apoptotic and necrotic events, the effect on different cell cycle phases, and generation of reactive oxygen species by NHT, Cd, and their combination of different concentrations. Data reveal evident toxic effects of NHT, Cd, and NHT + Cd. It also indicates that the toxic interaction of NHT and Cd is not additive and appears to be minimal when compared with NHT or Cd exposures alone.
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Affiliation(s)
- Wajhul Qamar
- Department of Pharmacology and Toxicology, and Central Laboratory, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Mohammad A. Altamimi
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Muneeb U. Rehman
- Department of Clinical Pharmacy, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Nemat Ali
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Faisal Imam
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Fawaz Essa Alanazi
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
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Toxicology of flavoring- and cannabis-containing e-liquids used in electronic delivery systems. Pharmacol Ther 2021; 224:107838. [PMID: 33746051 DOI: 10.1016/j.pharmthera.2021.107838] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 03/11/2021] [Indexed: 12/15/2022]
Abstract
Electronic cigarettes (e-cigarettes) were introduced in the United States in 2007 and by 2014 they were the most popular tobacco product amongst youth and had overtaken use of regular tobacco cigarettes. E-cigarettes are used to aerosolize a liquid (e-liquid) that the user inhales. Flavorings in e-liquids is a primary reason for youth to initiate use of e-cigarettes. Evidence is growing in the scientific literature that inhalation of some flavorings is not without risk of harm. In this review, 67 original articles (primarily cellular in vitro) on the toxicity of flavored e-liquids were identified in the PubMed and Scopus databases and evaluated critically. At least 65 individual flavoring ingredients in e-liquids or aerosols from e-cigarettes induced toxicity in the respiratory tract, cardiovascular and circulatory systems, skeletal system, and skin. Cinnamaldehyde was most frequently reported to be cytotoxic, followed by vanillin, menthol, ethyl maltol, ethyl vanillin, benzaldehyde and linalool. Additionally, modern e-cigarettes can be modified to aerosolize cannabis as dried plant material or a concentrated extract. The U.S. experienced an outbreak of lung injuries, termed e-cigarette, or vaping, product use-associated lung injury (EVALI) that began in 2019; among 2,022 hospitalized patients who had data on substance use (as of January 14, 2020), 82% reported using a delta-9-tetrahydrocannabinol (main psychoactive component in cannabis) containing e-cigarette, or vaping, product. Our literature search identified 33 articles related to EVALI. Vitamin E acetate, a diluent and thickening agent in cannabis-based products, was strongly linked to the EVALI outbreak in epidemiologic and laboratory studies; however, e-liquid chemistry is highly complex, and more than one mechanism of lung injury, ingredient, or thermal breakdown product may be responsible for toxicity. More research is needed, particularly with regard to e-cigarettes (generation, power settings, etc.), e-liquids (composition, bulk or vaped form), modeled systems (cell type, culture type, and dosimetry metrics), biological monitoring, secondhand exposures and contact with residues that contain nicotine and flavorings, and causative agents and mechanisms of EVALI toxicity.
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14
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El-Merhie N, Krüger A, Uliczka K, Papenmeier S, Roeder T, Rabe KF, Wagner C, Angstmann H, Krauss-Etschmann S. Sex dependent effect of maternal e-nicotine on F1 Drosophila development and airways. Sci Rep 2021; 11:4441. [PMID: 33627715 PMCID: PMC7904947 DOI: 10.1038/s41598-021-81607-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 01/01/2021] [Indexed: 01/03/2023] Open
Abstract
E-cigarettes are heavily advertised as healthier alternative to common tobacco cigarettes, leading more and more women to switch from regular cigarettes to ENDS (electronic nicotine delivery system) during pregnancy. While the noxious consequences of tobacco smoking during pregnancy on the offspring health are well-described, information on the long-term consequences due to maternal use of e-cigarettes do not exist so far. Therefore, we aimed to investigate how maternal e-nicotine influences offspring development from earliest life until adulthood. To this end, virgin female Drosophila melanogaster flies were exposed to nicotine vapor (8 µg nicotine) once per hour for a total of eight times. Following the last exposure, e-nicotine or sham exposed females were mated with non-exposed males. The F1-generation was then analyzed for viability, growth and airway structure. We demonstrate that maternal exposure to e-nicotine not only leads to reduced maternal fertility, but also negatively affects size and weight, as well as tracheal development of the F1-generation, lasting from embryonic stage until adulthood. These results not only underline the need for studies investigating the effects of maternal vaping on offspring health, but also propose our established model for analyzing molecular mechanisms and signaling pathways mediating these intergenerational changes.
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Affiliation(s)
- Natalia El-Merhie
- Division of Experimental Asthma Research, Early Life Origins of Chronic Lung Disease, Research Center Borstel, Leibniz Lung Center, German Center for Lung Research (DZL) and the Airway Research Center North (ARCN), Borstel, Germany
| | - Arne Krüger
- Division of Experimental Asthma Research, Early Life Origins of Chronic Lung Disease, Research Center Borstel, Leibniz Lung Center, German Center for Lung Research (DZL) and the Airway Research Center North (ARCN), Borstel, Germany
| | - Karin Uliczka
- Division of Experimental Asthma Research, Early Life Origins of Chronic Lung Disease, Research Center Borstel, Leibniz Lung Center, German Center for Lung Research (DZL) and the Airway Research Center North (ARCN), Borstel, Germany
- Invertebrate Models, Priority Area Asthma & Allergy, Research Center Borstel, Leibniz Lung Center, Borstel, Germany
| | - Stephanie Papenmeier
- Division of Experimental Asthma Research, Early Life Origins of Chronic Lung Disease, Research Center Borstel, Leibniz Lung Center, German Center for Lung Research (DZL) and the Airway Research Center North (ARCN), Borstel, Germany
- Invertebrate Models, Priority Area Asthma & Allergy, Research Center Borstel, Leibniz Lung Center, Borstel, Germany
| | - Thomas Roeder
- Department of Molecular Physiology and Zoology, Christian Albrechts University, German Center for Lung Research (DZL) and the Airway Research Center North (ARCN), Kiel, Germany
| | - Klaus F Rabe
- Department of Pneumology, LungenClinic, German Center for Lung Research (DZL) and the Airway Research Center North (ARCN), Grosshansdorf, Germany
- Department of Medicine, Christian Albrechts University, German Center for Lung Research (DZL) and the Airway Research Center North (ARCN), Kiel, Germany
| | - Christina Wagner
- Invertebrate Models, Priority Area Asthma & Allergy, Research Center Borstel, Leibniz Lung Center, Borstel, Germany
| | - Hanna Angstmann
- Division of Experimental Asthma Research, Early Life Origins of Chronic Lung Disease, Research Center Borstel, Leibniz Lung Center, German Center for Lung Research (DZL) and the Airway Research Center North (ARCN), Borstel, Germany
| | - Susanne Krauss-Etschmann
- Division of Experimental Asthma Research, Early Life Origins of Chronic Lung Disease, Research Center Borstel, Leibniz Lung Center, German Center for Lung Research (DZL) and the Airway Research Center North (ARCN), Borstel, Germany.
- Institute for Experimental Medicine, Christian Albrechts University, German Center for Lung Research (DZL) and the Airway Research Center North (ARCN), Kiel, Germany.
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15
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The use of human induced pluripotent stem cells to screen for developmental toxicity potential indicates reduced potential for non-combusted products, when compared to cigarettes. Curr Res Toxicol 2020; 1:161-173. [PMID: 34345845 PMCID: PMC8320631 DOI: 10.1016/j.crtox.2020.11.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 10/16/2020] [Accepted: 11/04/2020] [Indexed: 12/17/2022] Open
Abstract
Effective in vitro strategies are required to predict early developmental toxicity. devTOXqP is a metabolomics biomarker assay using iPSCs. Sample smoke/aerosol captured in bPBS, was tested up to 10% concentration. Cigarettes & HTP bPBS extracts were predicted as potentially developmentally toxic. HYB & EVP aerosols were not predicted as having developmentally toxic potential in devTOXqP.
devTOX quickPredict (devTOXqP) is a metabolomics biomarker-based assay that utilises human induced pluripotent stem (iPS) cells to screen for potential early stage embryonic developmental toxicity in vitro. Developmental toxicity potential is assessed based on the assay endpoint of the alteration in the ratio of key unrelated biomarkers, ornithine and cystine (o/c). This work aimed to compare the developmental toxicity potential of tobacco-containing and tobacco-free non-combustible nicotine products to cigarette smoke. Smoke and aerosol from test articles were produced using a Vitrocell VC10 smoke/aerosol exposure system and bubbled into phosphate buffered saline (bPBS). iPS cells were exposed to concentrations of up to 10% bPBS. Assay sensitivity was assessed through a spiking study with a known developmental toxicant, all-trans-retinoic acid (ATRA), in combination with cigarette smoke extract. The bPBS extracts of reference cigarettes (1R6F and 3R4F) and a heated tobacco product (HTP) were predicted to have the potential to induce developmental toxicity, in this screening assay. The bPBS concentration at which these extracts exceeded the developmental toxicity threshold was 0.6% (1R6F), 1.3% (3R4F), and 4.3% (HTP) added to the cell media. Effects from cigarette smoke and HTP aerosol were driven largely by cytotoxicity, with the cell viability and o/c ratio dose–response curves crossing the developmental toxicity thresholds at very similar concentrations of added bPBS. The hybrid product and all the electronic cigarette (e-cigarette) aerosols were not predicted to be potential early developmental toxicants, under the conditions of this screening assay.
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Key Words
- ATRA, All-trans-retinoic acid
- CDC, Centers for Disease Control and Prevention
- COT, United Kingdom Committee on Toxicity of Chemicals in Food, Consumer Products and the Environment
- CV, coefficient of variation
- Cigarettes
- DART, developmental and reproductive toxicity
- DNPH, 2,4-dinitrophenylhydrazine
- Developmental toxicity
- E-cigarettes
- ECVAM, European Center for the Validation of Alternative Methods
- EPA, United States Environmental Protection Agency
- EVP, electronic vapour product
- FDR, false discovery rate
- HPHCs, Harmful and Potentially Harmful Constituents
- HPLC-DAD, high-performance liquid chromatography with a diode-array detector
- HTP, heated tobacco product
- HYB, hybrid product
- Human induced pluripotent stem cells
- ISO, International Organization for Standardisation
- ISTD, internal standard
- In vitro reproduction assay
- LC-MS/MS, liquid chromatography with tandem mass spectrometry
- LOQ, limit of quantification
- ND, No effect was detected within the exposure range tested
- NHS, United Kingdom National Health Service
- NICE, National Institute for Health and Care Excellence
- Nicotine
- ODC, ornithine decarboxylase
- OECD, Organisation for Economic Co-operation and Development
- PBS, phosphate buffered saline
- PG/VG, propylene glycol/vegetable glycerine
- POD, point of difference
- Q-TOF, Quadrupole Time-of-Flight
- ROS, reactive oxygen species
- TP, cell viability toxicity potential concentration
- TT21C, toxicity testing in the 21st century
- UPLC-HRMS, ultra-high performance liquid chromatography coupled high resolution mass spectrometry
- bPBS, bubbled phosphate buffered saline
- dTP, developmental toxicity potential concentration
- dTT, developmental toxicity threshold
- devTOXqP, devTOX quickPredict
- e-cigarettes, electronic cigarettes
- iPS cells, induced pluripotent stem cells
- nAChRs, nicotinic acetylcholine receptors
- o/c, ornithine/cystine ratio
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16
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Jamshed L, Perono GA, Jamshed S, Holloway AC. Early Life Exposure to Nicotine: Postnatal Metabolic, Neurobehavioral and Respiratory Outcomes and the Development of Childhood Cancers. Toxicol Sci 2020; 178:3-15. [PMID: 32766841 PMCID: PMC7850035 DOI: 10.1093/toxsci/kfaa127] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Cigarette smoking during pregnancy is associated with numerous obstetrical, fetal, and developmental complications, as well as an increased risk of adverse health consequences in the adult offspring. Nicotine replacement therapy and electronic nicotine delivery systems (e-cigarettes) have been developed as a pharmacotherapy for smoking cessation and are considered safer alternatives for women to smoke during pregnancy. The safety of nicotine replacement therapy use during pregnancy has been evaluated in a limited number of short-term human trials, but there is currently no information on the long-term effects of developmental nicotine exposure in humans. However, animal studies suggest that nicotine alone may be a key chemical responsible for many of the long-term effects associated with maternal cigarette smoking on the offspring and increases the risk of adverse neurobehavioral outcomes, dysmetabolism, respiratory illness, and cancer. This review will examine the long-term effects of fetal and neonatal nicotine exposure on postnatal health.
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Affiliation(s)
- Laiba Jamshed
- Department of Obstetrics and Gynecology, McMaster University, Hamilton, Ontario L8N 3Z5, Canada
| | - Genevieve A Perono
- Department of Obstetrics and Gynecology, McMaster University, Hamilton, Ontario L8N 3Z5, Canada
| | - Shanza Jamshed
- Department of Obstetrics and Gynecology, McMaster University, Hamilton, Ontario L8N 3Z5, Canada
| | - Alison C Holloway
- Department of Obstetrics and Gynecology, McMaster University, Hamilton, Ontario L8N 3Z5, Canada
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Obisesan OH, Osei AD, Uddin SMI, Dzaye O, Cainzos-Achirica M, Mirbolouk M, Orimoloye OA, Sharma G, Al Rifai M, Stokes A, Bhatnagar A, El Shahawy O, Benjamin EJ, DeFilippis AP, Blaha MJ. E-Cigarette Use Patterns and High-Risk Behaviors in Pregnancy: Behavioral Risk Factor Surveillance System, 2016-2018. Am J Prev Med 2020; 59:187-195. [PMID: 32362509 PMCID: PMC8349302 DOI: 10.1016/j.amepre.2020.02.015] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 02/26/2020] [Accepted: 02/27/2020] [Indexed: 12/14/2022]
Abstract
INTRODUCTION The prevalence of e-cigarette use has increased dramatically in the last decade in the U.S. Understanding the prevalence, patterns of use, and risk factor associations of e-cigarette use in pregnant women is particularly important, as this could have potential health implications for the mother and the developing child. METHODS Using Behavioral Risk Factor Surveillance System Survey data from 2016 to 2018, adult women of reproductive age (18-49 years) who reported being pregnant (n=7,434) were studied. Self-reported current e-cigarette use was the main exposure. Other measures included combustible cigarette smoking status and high-risk behaviors (including other tobacco, marijuana, or heavy alcohol use; binge drinking; and others). All analyses were done in 2019. RESULTS Approximately 2.2% of pregnant women reported current e-cigarette use, of whom 0.6% reported daily use. The highest prevalence of e-cigarette use was observed in the youngest age group of pregnant women (3.2%), with 41.7% of all pregnant current e-cigarette users being aged 18-24 years. There was a marked increase in the prevalence of current use of e-cigarettes among pregnant women from 1.9% in 2016 to 3.8% in 2018. Approximately 46% of pregnant current e-cigarette users reported concomitant cigarette smoking. Compared with pregnant never e-cigarette users, pregnant current e-cigarette users had a higher prevalence of other tobacco product use, marijuana use, heavy alcohol intake, binge drinking, and other high-risk behaviors. CONCLUSIONS These findings underscore the need to strengthen prevention and policy efforts, specifically in the vulnerable subgroup of pregnant women.
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Affiliation(s)
- Olufunmilayo H Obisesan
- Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular Disease, Baltimore, Maryland; American Heart Association Tobacco Regulation and Addiction Center, Dallas, Texas
| | - Albert D Osei
- Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular Disease, Baltimore, Maryland; American Heart Association Tobacco Regulation and Addiction Center, Dallas, Texas
| | - S M Iftekhar Uddin
- Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular Disease, Baltimore, Maryland; American Heart Association Tobacco Regulation and Addiction Center, Dallas, Texas
| | - Omar Dzaye
- Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular Disease, Baltimore, Maryland; Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, Maryland; Department of Radiology and Neuroradiology, Charité, Berlin, Germany
| | - Miguel Cainzos-Achirica
- Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular Disease, Baltimore, Maryland
| | | | - Olusola A Orimoloye
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Garima Sharma
- Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular Disease, Baltimore, Maryland
| | - Mahmoud Al Rifai
- Section of Cardiology, Department of Medicine, Baylor College of Medicine, Houston, Texas
| | - Andrew Stokes
- American Heart Association Tobacco Regulation and Addiction Center, Dallas, Texas; Department of Global Health, Boston University, Boston, Massachusetts
| | - Aruni Bhatnagar
- American Heart Association Tobacco Regulation and Addiction Center, Dallas, Texas; Department of Medicine, University of Louisville, Louisville, Kentucky
| | - Omar El Shahawy
- American Heart Association Tobacco Regulation and Addiction Center, Dallas, Texas; Section on Tobacco, Alcohol and Drug Use, Department of Population Health, School of Medicine, New York University, New York, New York; Public Health Research Center, New York University Abu Dhabi, Abu Dhabi, United Arab Emirates
| | - Emelia J Benjamin
- American Heart Association Tobacco Regulation and Addiction Center, Dallas, Texas; Department of Medicine, Boston University, Boston, Massachusetts
| | - Andrew P DeFilippis
- American Heart Association Tobacco Regulation and Addiction Center, Dallas, Texas; Department of Medicine, University of Louisville, Louisville, Kentucky
| | - Michael J Blaha
- Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular Disease, Baltimore, Maryland; American Heart Association Tobacco Regulation and Addiction Center, Dallas, Texas.
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Ruszkiewicz JA, Zhang Z, Gonçalves FM, Tizabi Y, Zelikoff JT, Aschner M. Neurotoxicity of e-cigarettes. Food Chem Toxicol 2020; 138:111245. [PMID: 32145355 PMCID: PMC7089837 DOI: 10.1016/j.fct.2020.111245] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 02/29/2020] [Accepted: 03/03/2020] [Indexed: 02/07/2023]
Abstract
It appears that electronic cigarettes (EC) are a less harmful alternative to conventional cigarette (CC) smoking, as they generate substantially lower levels of harmful carcinogens and other toxic compounds. Thus, switching from CC to EC may be beneficial for smokers. However, recent accounts of EC- or vaping-associated lung injury (EVALI) has raised concerns regarding their adverse health effects. Additionally, the increasing popularity of EC among vulnerable populations, such as adolescents and pregnant women, calls for further EC safety evaluation. In this state-of-the-art review, we provide an update on recent findings regarding the neurological effects induced by EC exposure. Moreover, we discuss possible neurotoxic effects of nicotine and numerous other chemicals which are inherent both to e-liquids and EC aerosols. We conclude that in recognizing pertinent issues associated with EC usage, both government and scientific researchers must address this public health issue with utmost urgency.
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Affiliation(s)
- Joanna A Ruszkiewicz
- Molecular Toxicology Group, Department of Biology, University of Konstanz, Konstanz, Germany
| | - Ziyan Zhang
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, United States
| | - Filipe Marques Gonçalves
- Biochemistry Graduate Program, Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | - Yousef Tizabi
- Department of Pharmacology, Howard University College of Medicine, Washington DC, United States
| | - Judith T Zelikoff
- Department of Environmental Medicine, New York University School of Medicine, Manhattan, NY, United States
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, United States.
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19
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Cerrizuela S, Vega-Lopez GA, Aybar MJ. The role of teratogens in neural crest development. Birth Defects Res 2020; 112:584-632. [PMID: 31926062 DOI: 10.1002/bdr2.1644] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 12/11/2019] [Accepted: 12/22/2019] [Indexed: 12/13/2022]
Abstract
The neural crest (NC), discovered by Wilhelm His 150 years ago, gives rise to a multipotent migratory embryonic cell population that generates a remarkably diverse and important array of cell types during the development of the vertebrate embryo. These cells originate in the neural plate border (NPB), which is the ectoderm between the neural plate and the epidermis. They give rise to the neurons and glia of the peripheral nervous system, melanocytes, chondrocytes, smooth muscle cells, odontoblasts and neuroendocrine cells, among others. Neurocristopathies are a class of congenital diseases resulting from the abnormal induction, specification, migration, differentiation or death of NC cells (NCCs) during embryonic development and have an important medical and societal impact. In general, congenital defects affect an appreciable percentage of newborns worldwide. Some of these defects are caused by teratogens, which are agents that negatively impact the formation of tissues and organs during development. In this review, we will discuss the teratogens linked to the development of many birth defects, with a strong focus on those that specifically affect the development of the NC, thereby producing neurocristopathies. Although increasing attention is being paid to the effect of teratogens on embryonic development in general, there is a strong need to critically evaluate the specific role of these agents in NC development. Therefore, increased understanding of the role of these factors in NC development will contribute to the planning of strategies aimed at the prevention and treatment of human neurocristopathies, whose etiology was previously not considered.
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Affiliation(s)
- Santiago Cerrizuela
- Área Biología Experimental, Instituto Superior de Investigaciones Biológicas (INSIBIO, CONICET-UNT), Tucumán, Argentina.,Instituto de Biología "Dr. Francisco D. Barbieri", Facultad de Bioquímica, Química y Farmacia, Universidad Nacional de Tucumán, Tucumán, Argentina
| | - Guillermo A Vega-Lopez
- Área Biología Experimental, Instituto Superior de Investigaciones Biológicas (INSIBIO, CONICET-UNT), Tucumán, Argentina.,Instituto de Biología "Dr. Francisco D. Barbieri", Facultad de Bioquímica, Química y Farmacia, Universidad Nacional de Tucumán, Tucumán, Argentina
| | - Manuel J Aybar
- Área Biología Experimental, Instituto Superior de Investigaciones Biológicas (INSIBIO, CONICET-UNT), Tucumán, Argentina.,Instituto de Biología "Dr. Francisco D. Barbieri", Facultad de Bioquímica, Química y Farmacia, Universidad Nacional de Tucumán, Tucumán, Argentina
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20
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Seelan RS, Greene RM, Pisano MM. MicroRNAs as Epigenetic Targets of Cigarette Smoke During Embryonic Development. Microrna 2020; 9:168-173. [PMID: 31556862 PMCID: PMC7365999 DOI: 10.2174/2211536608666190926114704] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Revised: 07/26/2019] [Accepted: 09/03/2019] [Indexed: 02/07/2023]
Abstract
The adverse developmental effects of exposure to Cigarette Smoke (CS) during pregnancy are documented in this paper. These include low birth weight, congenital anomalies, preterm birth, fetal mortality and morbidity. The current biological thought now recognizes that epigenetics represents a fundamental contributing process in embryogenesis, and that the environment can have a profound effect on shaping the epigenome. It has become increasingly recognized that genes encoding microRNAs (miRNAs) might be potential loci for congenital disabilities. One means by which CS can cause developmental anomalies may be through epigenetic mechanisms involving altered miRNA expression. While several studies have focused on genes affected by CS during embryonic/ fetal development, there is a paucity of knowledge on the involvement of miRNAs in this process. This brief review summarizes the current state of knowledge in this area.
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Affiliation(s)
- Ratnam S. Seelan
- Department of Oral Immunology and Infectious Diseases, Division of Craniofacial Development and Anomalies,
University of Louisville School of Dentistry, Louisville, KY40202, USA
| | - Robert M. Greene
- Department of Oral Immunology and Infectious Diseases, Division of Craniofacial Development and Anomalies,
University of Louisville School of Dentistry, Louisville, KY40202, USA
| | - Michele M. Pisano
- Department of Oral Immunology and Infectious Diseases, Division of Craniofacial Development and Anomalies,
University of Louisville School of Dentistry, Louisville, KY40202, USA
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