Lentinan inhibits oxidative stress and inflammatory cytokine production induced by benzo(a)pyrene in human keratinocytes

被引:27
作者
Zi, Yusha [1 ]
Jiang, Biao [1 ]
He, Congfen [1 ]
Liu, Lei [1 ]
机构
[1] Beijing Technol & Business Univ, Sch Sci, Beijing Key Lab Plant Resources Res & Dev, 11 Fucheng Rd, Beijing, Peoples R China
关键词
benzo(a)pyrene; inflammatory cytokine; keratinocytes; lentinan; oxidative stress; SKIN; POLLUTION;
D O I
10.1111/jocd.13005
中图分类号
R75 [皮肤病学与性病学];
学科分类号
100206 ;
摘要
Background Benzo(a)pyrene, a major environmental pollutant, is known to accelerate skin aging through oxidative stress, increase the production of inflammatory mediators, and cause skin cancer. Lentinan, prepared from Lentinus edodes (Shiitake mushroom), has been reported to exhibit anti-coagulant, anti-viral, anti-cancer, anti-tumor, and anti-coagulant effects. However, the effect of lentinan on human keratinocytes treated with benzo(a)pyrene is unknown. Aims The aim of this study was to explore whether lentinan inhibits benzo(a)pyrene-induced oxidative stress and inflammatory cytokine production in human keratinocytes. Methods We investigated the effect of lentinan on benzo(a)pyrene-induced oxidative stress indicators (malondialdehyde, superoxide dismutase, and glutathione peroxidase) in human immortalized keratinocytes (HaCaT cells). We also assessed the production of inflammatory factors interleukin-8 and chemokine ligand-2 induced by benzo(a)pyrene exposure at both mRNA and protein levels. Results Lentinan inhibited oxidative stress induced by benzo(a)pyrene, as shown by the concentration-dependent reduction in reactive oxygen species in HaCaT cells. In addition, malondialdehyde levels were reduced to 53% of those of cells treated with benzo(a)pyrene without lentinan. The activities of superoxide dismutase and glutathione peroxidase were approximately 18- and 2.7-fold higher in benzo(a)pyrene-treated cells with lentinan than in those without lentinan. Moreover, lentinan significantly reduced interleukin-8 and chemokine ligand-2 mRNA and protein levels. Conclusions These findings suggest that lentinan has two biological activities that are potentially useful for managing inflammatory skin diseases or disorders related to oxidative stress induced by benzo(a)pyrene. Therefore, cosmetics containing L edodes have promising dermatological applications, with potential utility in protecting the skin against environmental pollutants.
引用
收藏
页码:502 / 507
页数:6
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