Atopic dermatitis (AD) is a prevalent inflammatory skin disease characterized by epidermal barrier dysfunction and Th2-skewed inflammation. (), a Korean endemic plant grown on Ulleng Island, has long been associated with a traditional alternative medicine for asthma, tonsillitis, and sore throat. In this study, we reported the effect of callus extract on upregulating epidermal barrier-related proteins dysregulated by Th2 cytokines. callus extract induced the expression of skin barrier proteins, such as filaggrin, claudin-1, and zonula occludens-1, in both human primary keratinocytes and Th2-induced AD-like skin-equivalent models. Additionally, RNA sequencing analysis demonstrated that callus extract partially restored Th2 cytokine-induced dysregulation of the epidermal development and lipid metabolic pathways. Considering the advantages of callus as a sustainable eco-friendly source of bioactive substances, and its effect on skin barrier proteins and lipid metabolic pathways, callus extracts can possibly be utilized to improve the integrity of the skin barrier.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10743976 | PMC |
| http://dx.doi.org/10.3390/ijms242417333 | DOI Listing |
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