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2018 ; 2018
(ä): 9524657
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Perillaldehyde Inhibits AHR Signaling and Activates NRF2 Antioxidant Pathway in
Human Keratinocytes
#MMPMID29643980
Fuyuno Y
; Uchi H
; Yasumatsu M
; Morino-Koga S
; Tanaka Y
; Mitoma C
; Furue M
Oxid Med Cell Longev
2018[]; 2018
(ä): 9524657
PMID29643980
show ga
The skin covers the outer surface of the body, so the epidermal keratinocytes
within it are susceptible to reactive oxygen species (ROS) generated by
environmental pollutants such as benzo(a)pyrene (BaP), a potent activator of aryl
hydrocarbon receptor (AHR). Antioxidant activity is generally mediated by the
nuclear factor-erythroid 2-related factor-2 (NRF2) and heme oxygenase-1 (HO1)
axis in human keratinocytes. Perillaldehyde is the main component of Perilla
frutescens, which is a medicinal antioxidant herb traditionally consumed in East
Asia. However, the effect of perillaldehyde on the AHR/ROS and/or NRF2/HO1
pathways remains unknown. In human keratinocytes, we found that perillaldehyde
(1) inhibited BaP-induced AHR activation and ROS production, (2) inhibited
BaP/AHR-mediated release of the CCL2 chemokine, and (3) activated the NRF2/HO1
antioxidant pathway. Perillaldehyde is thus potentially useful for managing
inflammatory skin diseases or disorders related to oxidative stress.