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Article Publish Status: FREE
Abstract Title:

Beneficial effects of melittin on ovalbumin-induced atopic dermatitis in mouse.

Abstract Source:

Sci Rep. 2017 Dec 15 ;7(1):17679. Epub 2017 Dec 15. PMID: 29247241

Abstract Author(s):

Woon-Hae Kim, Hyun-Jin An, Jung-Yeon Kim, Mi-Gyeong Gwon, Hyemin Gu, Minji Jeon, Woo Jung Sung, Sang Mi Han, Sok Cheon Pak, Min-Kyung Kim, Kwan-Kyu Park

Article Affiliation:

Woon-Hae Kim

Abstract:

Atopic dermatitis (AD) is an inflammatory skin disease characterized by intense pruritus and relapsable eczematous lesions. The hallmarks of AD are defects in the epidermal barrier and immunoglobulin E (IgE)-mediated sensitization to several environmental allergens, as well as an immune disorder mediated by an imbalance toward T-helper-2 response. Melittin, a major component of bee venom, has been studied in various inflammatory diseases. However, the beneficial effects of melittin on mouse with AD-like symptoms have not been explored. Therefore, we investigated the anti-allergic effects of melittin. AD was induced by ovalbumin (OVA) patch. After agent treatment, skin tissues and sera were extracted from the sacrificed mice were used to demonstrate the effects of melittin through various molecular biological methods. The results showed that OVA-induced skin thickening and inflammatory infiltration were decreased in the melittin-treated group. Melittin prevented OVA-induced filaggrin deficiency and imbalanced inflammatory mediators. Furthermore, melittin inhibited IL-4/IL-13-induced filaggrin downregulation through the blockade of STAT3 activation in human keratinocytes. In summary, this study has shown that melittin ameliorated OVA-induced AD-like symptoms from various perspectives. The findings of this study may be the first evidence of the anti-inflammatory effects of melittin on OVA-induced AD.

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