Jang Hoon Kim, Kyung-Sook Han, Eun Seo Kang, Ji Hyeon Park, Byoung Ok Cho, Jae Ho Choi
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引用次数: 0
Abstract
Peucedanum japonicum Thunberg is a perennial herbaceous plant of the genus Peucedanum that belongs to the Apiaceae family and is effective in improving inflammation, gout, and dizziness. However, the skin pruritus improvement effect and mechanism of action of Peucedanum japonicum Thunberg root extract (PJRE) have not yet been reported. We investigated the effects of PJRE on the regulation of pruritus and inflammatory responses in compound 48/80 (C48/80)-treated mice, phorbol 12-myristate 13-acetate (PMA)/A23187-induced human skin mast cells, and LPS-stimulated mouse macrophages. PJRE administration significantly inhibited scratching behavior, skin inflammatory cells, and mast cell infiltration in mice increased by C48/80. PJRE treatment also reduced the PMA/A23187-activated secretion of histamine, inflammatory cytokines, and interleukins via NF-κB activation in HMC-1 cells. PJRE treatment reduced LPS-stimulated secretion of inflammatory cytokines and expression of iNOS and COX-2 through phosphorylation of NF-κB, Akt, ERK1/2, and p38 MAPK in Raw 264.7 cells. PJRE treatment increases HO-1 expression in a concentration-dependent manner via NRF2 nuclear translocation. These results suggest that PJRE has therapeutic potential for alleviating atopic dermatitis-like skin symptoms, which is likely mediated by NF-κB as a transcription factor and Akt, ERK1/2, and p38 MAPK as upstream signaling molecules.
期刊介绍:
Founded in 1972 by Professor A. Oehling, Allergologia et Immunopathologia is a forum for those working in the field of pediatric asthma, allergy and immunology. Manuscripts related to clinical, epidemiological and experimental allergy and immunopathology related to childhood will be considered for publication. Allergologia et Immunopathologia is the official journal of the Spanish Society of Pediatric Allergy and Clinical Immunology (SEICAP) and also of the Latin American Society of Immunodeficiencies (LASID). It has and independent international Editorial Committee which submits received papers for peer-reviewing by international experts. The journal accepts original and review articles from all over the world, together with consensus statements from the aforementioned societies. Occasionally, the opinion of an expert on a burning topic is published in the "Point of View" section. Letters to the Editor on previously published papers are welcomed. Allergologia et Immunopathologia publishes 6 issues per year and is included in the major databases such as Pubmed, Scopus, Web of Knowledge, etc.