| 摘要 |
PROBLEM TO BE SOLVED: To provide a new composition for treating or preventing allergic diseases, and to provide a composition for trans-mucous administration, suitable for treating systemic diseases. SOLUTION: This composition for treating or preventing allergic diseases contains an ingredient selected from the group consisting of interleukin 21 (IL-21), IL-21 gene, and IL-21 receptor agonist as an active ingredient. The composition for trans-mucous administration, suitable for treating systemic diseases, contains IL-21, and/or IL-21 receptor agonist as active ingredients. COPYRIGHT: (C)2007,JPO&INPIT
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