这个词是什么意思？
A macrolide compound obtained from Streptomyces hygroscopicus that acts by selectively blocking the transcriptional activation of cytokines thereby inhibiting cytokine production. It is bioactive only when bound to IMMUNOPHILINS. Sirolimus is a potent immunosuppressant and possesses both antifungal and antineoplastic properties.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D020123 · MeSH 2026。
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