Cited by 91Smoking Behavior and CessationPrenatal Substance Exposure EffectsPregnancy and preeclampsia studies

Chronic exposure to e-cig aerosols during early development causes vascular dysfunction and offspring growth deficits

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Orzabal, Marcus R., Lunde-Young, Emilie R., Ramirez, Josue I., Howe, Selene Y.F., Naik, Vishal D., Lee, Jehoon, Heaps, Cristine L., Threadgill, David W. +1 more·2019·Translational Research

Abstract

Increasing popularity of electronic cigarettes (e-cigs), including among women of reproductive age, is attributed to its perceived safety compared to conventional tobacco. However, there is a major knowledge gap surrounding the effects of e-cig aerosols on pregnancy and fetal development. We aimed to evaluate the effects of vaping e-cigs during gestation on offspring growth and to asses if growth deficits are accompanied by altered maternal and fetal vascular hemodynamics. Sprague-Dawley dams were assigned to Pair-Fed Control, Pair-Fed Juice, or Juice+Nicotine groups, and then underwent either a prenatal or prenatal+postnatal exposure paradigm in a custom-engineered vaping system. Mass spectrometry identified major aerosolized constituents from e-cig vaping. The Juice+Nicotine group exhibited significantly decreased fetal weight and crown-rump length (↓46.56%, and ↓23.83%, respectively). Pre- and postnatal exposure to Juice+Nicotine resulted in decreased pup weight at postnatal day (PND) 4-10. Crown-rump length was decreased by 24.71% on PND 10. Blood flow in the Juice+Nicotine group was decreased in the maternal uterine and fetal umbilical circuits by 49.50% and 65.33%, respectively. We conclude that chronic exposure to e-cig aerosols containing nicotine during early development can have deleterious health effects on the exposed offspring. Vaping e-cigs containing nicotine during pregnancy lead to a reduction in offspring weight and crown-rump length, associated with a marked decrease in blood flow in both the maternal uterine and fetal umbilical circulation (a strong indicator of growth restriction). Thus, chronic exposure to e-cig aerosols containing nicotine can lead to potentially harmful developmental effects in early life.

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Crossref · 10.1016/j.trsl.2019.01.001

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  • E-cigarette products often contain nicotine, flavorings, and additives, and consumers may be exposed to other potential reproductive toxicants such as formaldehyde.

    “e-cigarette products often contain nicotine, flavorings and additives and consumers may be exposed to other potential reproductive toxicants included in e-cigarette products (ie, formaldehyde).9–11”

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Authors
Orzabal, M. R., Lunde-Young, E. R., Ramirez, J. I., Howe, S. Y. F., Naik, V. D., Lee, J., Heaps, C. L., Threadgill, D. W., & Ramadoss, J.
Affiliations
Texas A&M University (US)
Corresponding author
Ramadoss, Jayanth
Venue
Translational Research
Publisher
Elsevier BV
Published
2019-05
Volume
207
Pages
70-82
ISSN
  • 1878-1810 (ISSN-L)
  • 1931-5244
OpenAlex
W2910820974
Cited by
91
References
89
Citations by year
2026: 5 · 2025: 12 · 2024: 16 · 2023: 12 · 2022: 10 · 2021: 15 · 2020: 17 · 2019: 3 · 2018: 1
FWCI
7.72
Type
journal article
Language
en
Open access
Locations
  • Translational research (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institutes of Health (AA19446, AA23520, AA23035)
Topics
  • Health Sciences › Medicine › Physiology › Smoking Behavior and Cessation
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Prenatal Substance Exposure Effects
  • Health Sciences › Medicine › Obstetrics and Gynecology › Pregnancy and preeclampsia studies
Keywords
electronic cigarettes, nicotine, prenatal exposure, fetal growth restriction, vascular dysfunction, uterine blood flow, umbilical blood flow, fetal hemodynamics, developmental toxicity
MeSH terms
Vaping, Aerosols, Animals, Animals, Newborn, Blood Vessels, Female, Fetus, Growth Disorders, Hemodynamics, Pregnancy, Prenatal Exposure Delayed Effects, Mass Spectrometry, Umbilical Arteries, Uterus, Rats, Sprague-Dawley, Electronic Nicotine Delivery Systems

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