MHC molecules and microbial antigen processing in phagosomes.

MHC molecules and microbial antigen processing in phagosomes.
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DOI:
10.1016/j.coi.2009.01.001
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发表时间:
2009-02
影响因子:
7
通讯作者:
Harding CV
Harding CV
中科院分区:
医学2区
文献类型:
--
作者:
Ramachandra L;Simmons D;Harding CV

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巨噬细胞和树突状细胞是吞噬抗原呈递细胞,其将细菌和其他颗粒抗原内化到吞噬体中。然后吞噬体必须平衡杀微生物和蛋白水解降解功能与抗原肽的产生,以分别由I类和II类MHC分子呈递给CD8和CD4 T细胞。了解影响吞噬体抗原加工的宿主和细菌因素可能有助于促进消除病原体的新策略。
Macrophages and dendritic cells are phagocytic antigen presenting cells that internalize bacteria and other particulate antigens into phagosomes. The phagosome must then balance microbicidal and proteolytic degradation functions with the generation of antigenic peptides for presentation by class I and class II MHC molecules to CD8 and CD4 T cells, respectively. Understanding the host and bacterial factors that affect phagosomal antigen processing may help facilitate new strategies to eliminate pathogens.
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