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Article Publish Status: FREE
Abstract Title:

Bee Venom Alleviates Atopic Dermatitis Symptoms through the Upregulation of Decay-Accelerating Factor (DAF/CD55).

Abstract Source:

Toxins (Basel). 2019 Apr 26 ;11(5). Epub 2019 Apr 26. PMID: 31027358

Abstract Author(s):

Yenny Kim, Youn-Woo Lee, Hangeun Kim, Dae Kyun Chung

Article Affiliation:

Yenny Kim

Abstract:

Bee venom (BV)-a complex mixture of peptides and toxic proteins including phospholipase A2 and melittin-promotes blood clotting. In this study, we investigated the anti-atopic properties of BV and the mechanism associated with its regulation of the complement system. BV treatment upregulated the mRNA and protein levels of CD55 in THP-1 cells. Further experiments revealed that the phosphorylation of ERK was associated with upregulation of CD55. A complement-dependent cytotoxicity assay and a bacteria-killing assay showed that BV inactivated the complement system through the induction of CD55. The serum levels of C3 convertase (C3C) and Membrane attack complex (MAC) increased, while CD55 decreased in mice with AD-like lesions from DNCB treatment. However, the levels were inverted when the AD-like mice were treated with BV using subcutaneous injection, and we observed that the AD symptoms were alleviated. BV is often used to treat AD but its mechanism has not been elucidated. Here, we suggest that BV alleviates AD through the inactivation of the complement system, especially by the induction of CD55.

Study Type : In Vitro Study

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Sayer Ji
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