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  2. Toll-like receptor 4 (TLR4)

Toll-like receptor 4 (TLR4)Toll 样受体 4

释义:

Toll-like receptor 4 (TLR4) is a transmembrane protein, expressed in the myeloid (erythrocytes, granulocytes, macrophages) rather than lymphoid (T-cells, B-cells, NK cells). Toll-like receptor 4 plays a fundamental role in pathogen recognition and activation of innate immunity. Toll-like receptor 4 activation leads to an intracellular signaling pathway NF-κB and inflammatory cytokine production which is responsible for activating the innate immune system.

Toll 样受体 4 (TLR4) 是一种跨膜蛋白,在骨髓(红细胞、粒细胞、巨噬细胞)中表达,而不是在淋巴(t细胞、b细胞、NK细胞)中表达。Toll 样受体 4 在病原体识别和激活先天免疫中起着基础性作用。Toll 样受体 4 的激活导致细胞内信号通路 NF-κB 和炎症细胞因子的产生,而炎症细胞因子负责激活先天免疫系统。

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