Abstract:
BACKGROUND:VitabridC12 is newly developed and composed of vitamin C and Vitabrid (lamellar, hydrated zinc oxide). OBJECTIVE:In this study, we aimed to investigate the effects of VitabridC12 on psoriasis and atopic dermatitis. METHODS:Mice with imiquimod-induced psoriasis or Dermatophagoides farinae-induced atopic dermatitis were applied with VitabridC12. The effects of VitabridC12 were evaluated by clinical features, histology, and immunologic features by examining cytokines and chemokines. RESULTS:In psoriasis model, VitabridC12 decreased epidermal thickness and reduced inflammatory cell infiltration. In atopic dermatitis model, VitabridC12 decreased dermal infiltration of inflammatory cells, epidermal hyperplasia, and hyperkeratosis. VitabridC12 reduced the expression levels of proinflammatory mediators such as interleukin (IL)-1β, IL-6, IL-8, IL-17A, IL-22, tumor necrosis factor-α, CXCL1, CCL17, and CCL20 as well as COX-2 in imiquimod-induced psoriatic skin lesions. Likewise, VitabridC12 reduced the expression levels of IL-4, IL-5, IL-13, thymic stromal lymphopoietin, and CCL4 in D. farinae-induced skin lesions, and decreased the serum immunoglobulin E level in the atopic dermatitis mouse model. Particularly, the VitabridC12-treated mice showed downregulated expressions of mitogen-activated protein kinase (MAPK), including extracellular signal-regulated kinase (ERK), p38, and MAPK/ERK kinase, as well as inhibited phosphorylation of nuclear factor-κB p65. CONCLUSION:Taken together, these findings indicate that VitabridC12 exhibits anti-inflammatory activities and is a promising candidate as a treatment option for psoriasis or atopic dermatitis.
journal_name
Ann Dermatoljournal_title
Annals of dermatologyauthors
Lee JH,Jeon YJ,Choi JH,Kim HY,Kim TYdoi
10.5021/ad.2017.29.5.548subject
Has Abstractpub_date
2017-10-01 00:00:00pages
548-558issue
5eissn
1013-9087issn
2005-3894journal_volume
29pub_type
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