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Abstract
Background: Atopic dermatitis (AD) is a chronic inflammatory skin disease characterized by the interactions between multiple genetic and environmental factors. The pathogenesis of AD is still not completely clear. Steroid topical therapy has severe side effects for chronic AD symptoms and new therapeutic options are urgently needed. Ferulic acid (FA) is a novel natural dietary polyphenol with anti-oxidative and anti-inflammatory effects.
Methods: FA was assessed in BALB/c mice with AD-like lesions resulted from repetitive applications of 2,4-dinitrochlorobenzene (DNCB). Molecular and serological properties of the AD lesions as well as the overall symptomatic score were evaluated.
Results: FA ameliorated the overall symptoms of AD, including the severity of skin lesion and incidence of scratching behavior. Systemically, FA markedly decreased DNCB-induced Th2 cytokines and IgE in the peripheral blood. In the local tissue with AD lesions, FA suppressed DNCB-stimulated mRNA production of pro-inflammatory cytokines such as tumor necrosis factor (TNF)-α, interleukin (IL)-4, IL-6, and IL-31. In THP-1 cells, a human monocyte model, FA dose-dependently suppressed DNCB-elicited up-regulation of CD54 and CD86 at cell surface, secretion of pro-inflammatory cytokines IL-6 and TNF-α, and NFκB signaling activation.
Conclusion: Our findings demonstrated that FA could serve as a promising therapeutic agent in AD treatment.
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Disclosure statement
No potential conflict of interest was reported by the author(s).