期刊
LIPIDS
卷 58, 期 2, 页码 59-68出版社
WILEY
DOI: 10.1002/lipd.12363
关键词
cell survival; fibroblast; hydroxytyrosol; nuclear factor erythroid 2-related factor 2; olive oil; oxidative damage
Olive oil promotes skin wound healing by activating the Nrf2 pathway, which enhances cell survival and migration in fibroblasts. This is achieved through the production of reactive oxygen and nitrogen species, as well as the activation of specific proteins. The findings suggest that olive oil has potential therapeutic applications in wound healing.
Olive oil has beneficial effects on skin wound healing due to its anti-inflammatory and antioxidant properties; however, the mechanism by which olive oil promotes wound healing is unclear. We evaluated the mechanisms involved in Nrf2 pathway activation by olive oil and its role in cell survival and migration in mouse dermal fibroblasts in a short-term exposition. Our data demonstrated that olive oil and oleic acid promoted reactive oxygen species (ROS) production, while olive oil and hydroxytyrosol stimulated nuclear factor erythroid 2-related factor 2 (Nrf2) activation. Olive oil-mediated ROS production increased nuclear factor kappa B p65 expression, while olive oil-stimulated reactive nitrogen species production augmented the levels of Nrf2. Olive oil augmented cell proliferation, cell migration, and AKT phosphorylation, but decreased apoptotic cell number and cleaved caspase-3 levels. The effect of olive oil on cell migration and protein levels of AKT, BCL-2, and Nrf2 were reversed by an Nrf2 inhibitor. In conclusion, the activation of the Nrf2 pathway by olive oil promotes the survival and migration of dermal fibroblasts that are essential for the resolution of skin wound healing.
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