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综述:Toll 样受体作为对抗传染病的信号级联的作用
以 LPS 刺激为例,在 MyD88 缺陷的巨噬细胞中,虽然对某些 TLR2 配体的 NF-κB 激活被消除,但对 LPS(TLR4 配体)仍能激活 NF-κB,只是动力学延迟,同时 MAPK 激活也延迟。进一步研究发现,LPS 刺激 MyD88 缺陷的巨噬细胞会诱导干扰素(IFN)诱导基因的表达,如糖皮质 ...
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