Wheat Extract Oil (WEO) Attenuates UVB-Induced Photoaging via Collagen Synthesis in Human Keratinocytes and Hairless Mice
Open accessAbstract
The efficacy of wheat extract oil (WEO), standardized to glucosylceramides, for protecting against ultraviolet B (UVB)-induced damage of skin barrier function was assessed using the SHK-1 hairless mouse model and two human skin cell lines, namely, CCD-986sk and HeCaT. The ability of repeated oral administration of 30, 60, and 120 mg of WEO/kg/day for 12 weeks to prevent skin damage of SKH-1 hairless mice induced by UVB irradiation was evaluated. The results demonstrated that UVB-induced water evaporation (transepidermal water loss, TEWL) was significantly decreased by WEO. Similarly, UVB-induced losses in moisture and skin elasticity were improved by WEO supplementation. WEO attenuated the tissue procollagen type I, hyaluronic acid (HA), and ceramide reductions induced by UVB treatment as well. Collagen concentrations in skin tissue were increased in the WEO-treated mice, while UVB-induced epidermal thickening was reduced. In vitro studies using HeCaT human keratinocytes confirmed increased HA and collagen synthesis in response to WEO treatment. This may occur via WEO suppression of matrix metalloproteinase-1 (MMP-1), since its induction by UVB treatment was diminished in treated CCD-986sk cells. Oral administration of WEO improves skin barrier function in UVB-irradiated mice by attenuating damage typically observed in photoaging. This research further clarifies the clinical benefits previously observed by dietary WEO consumption.
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Disruption of the skin barrier and reduction in essential moisturizing factors such as hyaluronic acid and ceramides are hallmark features of UVB-induced photoaging.
“Disruption of the skin barrier and reduction in essential moisturizing factors such as hyaluronic acid and ceramides are hallmark features of UVB-induced photoaging [27].”
From Oral Centella asiatica Extract Attenuates UVB-Induced Skin Photoaging via Antioxidant, Anti-Inflammatory, and Extracellular Matrix-Preserving Effects in Hairless Mice (2025) · cites this paper as [27]
The Results (§3.1; page not provided) report reduced skin hydration and increased water loss after UVB exposure, and the Discussion (§4) reports a UVB-induced decrease in hyaluronic acid synthesis in keratinocytes. But the Results (§3.4) explicitly say the study did not observe a UVB-related change in epidermal ceramide content. The source therefore does not support presenting reductions in both hyaluronic acid and ceramides as hallmark features of UVB-induced photoaging. (LLM, conf=0.88)
Experimental — accuracy not yet measuredWheat extract oil supplementation improved UVB-induced losses in skin moisture, elasticity, and damage of skin barrier function, and inhibited decreases in procollagen type I, HA, and ceramide, in mouse dorsal skin tissue.
“Wheat extract oil supplementation improved UVB-induced losses in skin moisture, elasticity, and damage of skin barrier function, and inhibited the decreases in procollagen type I, HA, and ceramide, in mouse dorsal skin tissue [120].”
From Boosting the Photoaged Skin: The Potential Role of Dietary Components (2021) · cites this paper as [120]
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Boosting the Photoaged Skin: The Potential Role of Dietary Components
Geng, R., Kang, S.-G., Huang, K., & Tong, T. (2021) · Nutrients · doi:10.3390/nu13051691 · Cited by 116 · see citing works
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Self-citationChoi, Y. J., Cho, E.-C., Lim, S., Lee, J., Bae, J., Oh, T. K., Lee, J. K., & Kim, E. J. (2025) · International Journal of Molecular Sciences · doi:10.3390/ijms27010204 · Cited by 3 · see citing works
Self-citation
- Authors
- Son, D. J., Jung, J. C., Choi, Y. M., Ryu, H. Y., Lee, S., & Davis, B. A.
- Affiliations
- Chungbuk National University (KR)
- Novarex (South Korea) (KR)
- Korea Conformity Laboratories, 8, Gaetbeol-ro 145 beon-gil, Yeonsu-gu, Incheon 21999, Korea
- PLT Health Solutions Inc., 119 Headquarters Plaza, Morristown, NJ 07960, USA
- Corresponding author
- Davis, Barbara A.
- Venue
- Nutrients
- Publisher
- MDPI AG
- Published
- 2020-01-22
- Volume
- 12
- Issue
- 2
- Pages
- 300
- ISSN
- 2072-6643 (ISSN-L)
- PMC
- PMC7070621
- OpenAlex
- W3001915759
- Cited by
- 26
- References
- 43
- Citations by year
- 2026: 2 · 2025: 7 · 2024: 4 · 2023: 5 · 2022: 4 · 2021: 3 · 2020: 1
- FWCI
- 2.37
- Type
- journal article
- Language
- en
- Open access
- gold
- dx.doi.org
- Licence
- Locations
- Nutrients (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
- Topics
- Health Sciences › Medicine › Dermatology › Skin Protection and Aging
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › melanin and skin pigmentation
- Health Sciences › Medicine › Dermatology › Dermatology and Skin Diseases
- Keywords
- glucosylceramide, UVB-induced photoaging, skin barrier function, collagen synthesis, keratinocytes, transepidermal water loss, hyaluronic acid, ceramide, oral supplementation, hairless mice, epidermal thickening
- MeSH terms
- Animals, Collagen, Humans, Mice, Hairless, Photosensitivity Disorders, Plant Oils, Ultraviolet Rays, Triticum, Skin Aging, Keratinocytes, Mice
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