期刊
ANTIOXIDANTS
卷 10, 期 1, 页码 -出版社
MDPI
DOI: 10.3390/antiox10010044
关键词
industrial hemp; keratinocytes; apoptosis; antioxidant; anti-inflammatory; bioinformatics; HPLC analysis; tyrosinase; indoleamine-2; 3-dioxygenase; skin disorder(s); IL-6
资金
- Italian Ministry of University
The study found that hemp water extract can protect skin cells from oxidative stress, with significant anti-inflammatory and antioxidant effects. Compounds such as cannabidiol, cannabidiolic acid, and rutin play important roles in these effects.
Industrial hemp is a multiuse crop whose phytocomplex includes terpenophenolics and flavonoids. In the present study, the phenolic and terpenophenolic compounds were assayed in the water extract of the hemp variety Futura 75. Protective effects were also investigated in human fibroblast and keratinocytes and isolate mouse skin specimens, which were exposed to hydrogen peroxide and/or to the extract (1-500 mu g/mL). The results of phytochemical analysis suggested the cannabidiol, cannabidiolic acid and rutin as the prominent phytocompounds. In the in vitro system represented by human keratinocytes and fibroblasts, the hemp extract was found to be able to protect cells from cytotoxicity and apoptosis induced by oxidative stress. Moreover, modulatory effects on IL-6, a key mediator in skin proliferation, were found. In isolated rat skin, the extract reduced hydrogen peroxide-induced l-dopa turnover, prostaglandin-E2 production and the ratio kynurenine/tryptpophan, thus corroborating anti-inflammatory/antioxidant effects. The in silico docking studies also highlighted the putative interactions between cannabidiol, cannabidiolic acid and rutin with tyrosinase and indoleamine-2,3-dioxygenase, involved in l-dopa turnover and tryptophan conversion in kynurenine, respectively. In conclusion, the present findings showed the efficacy of hemp water extract as a skin protective agent. This could be partly related to the extract content in cannabidiol, cannabidiolic acid and rutin.
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