Enhancement of Interleukin-la Mediated Autocrine Growth of Cultured Human Keratinocytes by Sho-saiko-to

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We investigated the effects of <I>Sho-saiko-to</I>, the most commonly used herbal medicine in Japan, on the production of interleukin (IL)-la by cultured human epidermal keratinocytes. IL-lα production was significantly promoted by treatment with 100 or 500 μg/ml Sho-saiko-to for 24 or 48 hr. Expression of IL-lα receptors was the most markedly upregulated after treatment with 500 μg/ml <I>Sho-saiko-to</I> for 24 hr and with 100 or 500 μg/ml for 48 hr; these cells showed the characteristics of multilayered differentiated keratinocytes. The presence of an anti-IL-lα antibody during the treatment with 500 μg/ml of <I>Sho-saiko-to</I> for 24 or 48 hr or with 100 μg/ml for 48 hr significantly down-regulated the synthesis by the keratinocytes and induced damages in them. Keratinocytes treated with <I>Sho-saiko-to</I> might produce IL-lα and express IL-lα receptors. IL-lα may regulate the proliferation and differentiation of keratinocytes after <I>Sho-saiko-to</I> treatment. These findings suggest that <I>Sho-saiko-to</I> enhances the autocrine growth mediated by IL-lα.

収録刊行物

  • The Japanese journal of pharmacology

    The Japanese journal of pharmacology 73(4), 333-336, 1997-04-01

    The Japanese Pharmacological Society

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各種コード

  • NII論文ID(NAID)
    10008677851
  • NII書誌ID(NCID)
    AA00691188
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00215198
  • NDL 記事登録ID
    4196930
  • NDL 雑誌分類
    ZS51(科学技術--薬学)
  • NDL 請求記号
    Z53-D199
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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