因此，IL - 18为联系机体天然免疫和获得性免疫的关键活性分子。

Therefore, IL-18 should be seen as a unique molecule that constitutes a critical link between innate and adaptive immunity.

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巨噬细胞移动抑制因子（MIF）是一种潜在的促炎细胞因子，是天然免疫和获得性免疫中的关键调节元件。

Macrophage migration inhibitory factor(MIF), a potential pro inflammatory cytokine, is a pivotal regulatory element in the nature and adapted immune.

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因此，IL ？ 12被成为天然免疫和获得性免疫之间的桥梁。

Thus, IL-12 is a crucial bridge between innate and adaptive immunity.

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