Anti-Atopic Properties of Gracillin Isolated from Dioscorea quinqueloba on 2,4-Dinitrochlorobenzene-Induced Skin Lesions in Mice.

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  • Additional Information
    • Source:
      Publisher: MDPI Publishing Country of Publication: Switzerland NLM ID: 101521595 Publication Model: Electronic Cited Medium: Internet ISSN: 2072-6643 (Electronic) Linking ISSN: 20726643 NLM ISO Abbreviation: Nutrients Subsets: MEDLINE
    • Publication Information:
      Original Publication: Basel, Switzerland : MDPI Publishing
    • Subject Terms:
    • Abstract:
      Naturally occurring saponins have been reported to have anti-inflammatory and immunomodulatory effects. However, the effects of gracillin, a main saponin component of Dioscorea quinqueloba ( D. quinqueloba ), on atopic dermatitis (AD), have not been previously studied. The aim of this study was to determine whether gracillin isolated from D. quinqueloba has an anti-AD effect on 2,4-dinitrochlorobenzene (DNCB)-induced AD-like skin lesions in SKH-1 hairless mice. Topical co-treatment of gracillin and DNCB for two weeks markedly reduced symptoms typical of AD (redness, itching, swelling and skin lichenification), decreased transepidermal water loss (TEWL) and increased skin hydration. In addition, gracillin strongly inhibited PI-induced IL-4 expression in RBL-2H3 cells and in the skins of AD mice. Our results suggest gracillin is a potential candidate for the prevention and treatment of AD and other inflammatory skin disorders.
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    • Contributed Indexing:
      Keywords: 2,4-dinitrochlorobenzene; Dioscorea quinqueloba; atopic dermatitis; gracillin; interleukin 4; skin barrier recovery
    • Accession Number:
      0 (Anti-Inflammatory Agents)
      0 (Dermatologic Agents)
      0 (Dinitrochlorobenzene)
      0 (Plant Extracts)
      0 (Spirostans)
      19083-00-2 (gracillin)
      207137-56-2 (Interleukin-4)
      37341-29-0 (Immunoglobulin E)
    • Publication Date:
      Date Created: 20180912 Date Completed: 20190110 Latest Revision: 20201209
    • Publication Date:
      20231215
    • Accession Number:
      PMC6164938
    • Accession Number:
      10.3390/nu10091205
    • Accession Number:
      30200442