Cited by 123Antioxidant Activity and Oxidative StressAir Quality and Health ImpactsSkin Protection and Aging

Ozone-exposure depletes vitamin E and induces lipid peroxidation in murine stratum corneum

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Thiele, Jens J., Traber, Maret G., Polefka, Thomas G., Cross, Carroll E., Packer, Lester·1997·Journal of Investigative Dermatology

Abstract

The presence of ozone (O(3)) in photochemical smog is an important health concern. We hypothesized that the stratum corneum (SC), as the outermost skin layer and the permeability barrier of the skin, represents a sensitive target for O(3)-induced oxidative stress. To test this hypothesis, SKH-1 hairless mice were anesthetized and exposed for 2 h to O(3) by using two strategies: (i) single exposures to 0 (n = 12), 1 (n = 4), 5 (n = 4), and 10 (n = 4) ppm; and (ii) repeated daily exposures to 0 ppm (controls; n = 4) and 1 ppm (n = 4) for six consecutive days. New techniques based on the removal of SC by tape stripping were used to analyze the biologic effects of O(3) with respect to vitamin E depletion and lipid peroxidation. SC tissue was extracted from the tape and immediately analyzed by HPLC for vitamin E and malondialdehyde (MDA) concentrations. After in vivo exposure to increasing O(3) doses, vitamin E was depleted and MDA formation was increased, both in a dose-dependent manner. Remarkably, repeated low-level O(3) exposures resulted in cumulative oxidative effects in the SC: As compared with O(3) exposures of 0 ppm (alpha-tocopherol, 8.95 +/- 1.3 pmol per mg; gamma-tocopherol, 3.00 +/- 0.3 pmol per mg; MDA, 3.69 +/- 0.3 pmol per mg), vitamin E was depleted (alpha-tocopherol, 2.90 +/- 0.6 pmol per mg, p < 0.001; gamma-tocopherol, 0.5 +/- 0.1 pmol per mg, p < 0.001) and MDA levels were increased (4.5 +/- 0.2; p < 0.01). This report demonstrates the unique susceptibility of the SC to oxidative damage upon exposure to O(3).

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Crossref · 10.1111/1523-1747.ep12292144

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Authors
Thiele, J. J., Traber, M. G., Polefka, T. G., Cross, C. E., & Packer, L.
Affiliations
  • University of California, Berkeley (US)
  • Colgate-Palmolive (United States) (US)
  • University of California, Davis (US)
Venue
Journal of Investigative Dermatology
Publisher
Elsevier BV
Published
1997-05
Volume
108
Issue
5
Pages
753-757
ISSN
0022-202X (ISSN-L)
OpenAlex
W2020829024
Cited by
123
References
33
Citations by year
2026: 1 · 2025: 6 · 2024: 1 · 2023: 2 · 2022: 2 · 2021: 5 · 2020: 6 · 2019: 5 · 2018: 2 · 2017: 7 · 2016: 5 · 2015: 7 · 2014: 2 · 2013: 1 · 2012: 3
FWCI
5.51
Type
journal article
Language
en
Open access
Locations
  • Journal of Investigative Dermatology (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Biochemistry › Antioxidant Activity and Oxidative Stress
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Air Quality and Health Impacts
  • Health Sciences › Medicine › Dermatology › Skin Protection and Aging
Keywords
ozone exposure, stratum corneum, vitamin E depletion, lipid peroxidation, malondialdehyde, oxidative stress, photochemical smog, skin permeability barrier, alpha-tocopherol, gamma-tocopherol, SKH-1 mice
MeSH terms
Air Pollutants, Animals, Dose-Response Relationship, Drug, Malondialdehyde, Mice, Hairless, Oxidants, Photochemical, Ozone, Skin, Vitamin E, Lipid Peroxidation, Oxidative Stress, Mice

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