Cited by 81Dermatology and Skin DiseasesContact Dermatitis and AllergiesAdvancements in Transdermal Drug Delivery

Antioxidant soybean tar G lyteer rescues T‐helper‐mediated downregulation of filaggrin expression via aryl hydrocarbon receptor

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Takei, Kenjiro, Mitoma, Chikage, Hashimoto‐Hachiya, Akiko, Uchi, Hiroshi, Takahara, Masakazu, Tsuji, Gaku, Kido‐Nakahara, Makiko, Nakahara, Takeshi +1 more·2015·The Journal of Dermatology

Abstract

Soybean tar G lyteer (G ly) has been widely used for the treatment of various inflammatory skin diseases in J apan since 1924 as an alternative to coal tar remedy. Recently, coal tar has been shown to induce barrier repair in atopic dermatitis via aryl hydrocarbon receptor (A h R). In this study, we demonstrated that G ly activated A h R by inducing its cytoplasmic to nuclear translocation in keratinocytes. The A h R ligation by G ly was biologically active, with significant and dose‐dependent upregulation of CYP 1 A 1 expression, which is a specific marker for A h R activation. Gly upregulated the expression of filaggrin in an A h R‐dependent manner because its enhancing effect was completely abrogated in A h R‐knockdown keratinocytes. T‐helper (T h)2 cytokines inhibited the expression of filaggrin; however, G ly completely restored the T h2‐mediated inhibition of filaggrin expression. Furthermore, G ly coordinately upregulated a series of epidermal differentiation complex genes, including involucrin, loricrin and hornerin. In addition, G ly exhibited potent antioxidant activity through the activation of nuclear factor‐erythroid 2‐related factor‐2 (N rf2) and downstream antioxidant enzymes such as NAD(P)H:quinone oxidoreductase 1 (N qo1), which actually inhibited the generation of reactive oxygen species in keratinocytes treated with tumor necrosis factor‐α or benzo[α]pyrene. In conclusion, antioxidant G ly rescues the downregulated expression of filaggrin (and plausibly other barrier proteins) in a T h2‐skewed milieu via A h R activation, which may partly explain its empirical anti‐inflammatory therapeutic effects.

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Authors
Takei, K., Mitoma, C., Hashimoto‐Hachiya, A., Uchi, H., Takahara, M., Tsuji, G., Kido‐Nakahara, M., Nakahara, T., & Furue, M.
Affiliations
Kyushu University (JP)
Corresponding author
Furue, Masutaka
Venue
The Journal of Dermatology
Publisher
Wiley
Published
2014-12-06
Volume
42
Issue
2
Pages
171-180
ISSN
  • 0385-2407 (ISSN-L)
  • 1346-8138
OpenAlex
W2060661512
Cited by
81
References
36
Citations by year
2026: 4 · 2025: 4 · 2024: 8 · 2023: 8 · 2022: 11 · 2021: 8 · 2020: 9 · 2019: 10 · 2018: 8 · 2017: 9 · 2016: 1 · 2015: 1
FWCI
4.02
Type
journal article
Language
en
Open access
Locations
  • The Journal of Dermatology (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Dermatology › Dermatology and Skin Diseases
  • Health Sciences › Medicine › Dermatology › Contact Dermatitis and Allergies
  • Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Pharmaceutical Science › Advancements in Transdermal Drug Delivery
Keywords
aryl hydrocarbon receptor, filaggrin, Th2 cytokines, keratinocytes, epidermal differentiation complex, involucrin, loricrin, hornerin, Nrf2, NQO1, antioxidant activity, reactive oxygen species, benzo[a]pyrene, TNF-α, CYP1A1, skin barrier repair, atopic dermatitis
MeSH terms
Filaggrin Proteins, Antioxidants, Benzo(a)pyrene, Calcium-Binding Proteins, Cell Line, Humans, Intermediate Filament Proteins, Membrane Proteins, Protein Precursors, Tars, Tumor Necrosis Factor-alpha, Signal Transduction, Down-Regulation, Keratinocytes, Gene Expression, Cytokines, NAD(P)H Dehydrogenase (Quinone), Reactive Oxygen Species, Receptors, Aryl Hydrocarbon, Th2 Cells, Cytochrome P-450 CYP1A1, Protein Transport, NF-E2-Related Factor 2

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