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肠道有一堵墙,在教免疫系统别动手。

October 25, 2026 · 4 min

Show notes

每天吃下的牛奶、鸡蛋、花生,都是外源蛋白,免疫系统凭什么不攻击?过去我们把功劳记给树突状细胞和调节性T细胞,把肠道上皮当成一堵墙。中科大朱书团队9月在《Vita》发文:这堵墙一直带着MHC II,把食物碎片递给免疫细胞,还在小肠里把T细胞训成Tr1。本期《天方夜谭》,讲讲口服耐受,以及它离过敏治疗还有多远。

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