Nucleic acid recognition in dendritic cells.

Nucleic acid recognition in dendritic cells.
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树突状细胞中的核酸识别

DOI:
10.1007/978-1-4939-0882-0_6
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发表时间:
2014
影响因子:
--
通讯作者:
Eisenächer
Eisenächer
中科院分区:
--
文献类型:
--
作者:
Heiseke;Eisenächer

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免疫系统由具有不同功能的特化细胞类型组成,以提供有效的先天性和适应性免疫防御,以对抗有害的入侵病原体,如细菌,病毒,真菌,寄生虫或威胁生物体完整性的其他物质。一旦免疫系统通过模式识别受体(PRR)识别出这些病原体,它们就会被称为树突状细胞(DC)的特化细胞摄取、加工并作为MHC I类和II类抗原呈递给T淋巴细胞。同时,与DC中的PRR结合的病原体组分触发有效的细胞因子和趋化因子应答。虽然其他细胞类型如巨噬细胞也可以摄取,处理和呈递抗原给幼稚T淋巴细胞,但DC是最有能力这样做的细胞。因此,DCs也被称为专职抗原呈递细胞(APC),其诱导强烈的适应性免疫应答,从而作为先天性和适应性免疫系统之间的桥梁。本章详细介绍了如何从人外周血单个核细胞(PBMC)和小鼠骨髓中产生各种类型的DCs,以及PRR配体体外激活这些细胞的刺激条件。
The immune system consists of specialized cell types with distinct functions in order to provide an effective innate and adaptive immune defense against harmful invading pathogens like bacteria, viruses, fungi, parasites, or other substances threatening the integrity of the organism. Once the immune system recognizes such pathogens via pattern recognition receptors (PRRs), they are taken up, processed, and presented as antigens on MHC class I and II to T lymphocytes by specialized cells called dendritic cells (DCs). At the same time pathogen components which bind to PRRs in DCs trigger potent cytokine and chemokine responses. Although other cell types like macrophages can also take up, process, and present antigens to naïve T lymphocytes, DCs are the cells with the greatest capacity to do so. Thus, DCs are also called professional antigen presenting cells (APCs), which induce a strong adaptive immune response and thereby act as a bridge between the innate and adaptive immune system.This chapter provides detailed instructions on how to generate various types of DCs from human peripheral blood mononuclear cells (PBMCs) and murine bone marrow, as well as stimulation conditions for activation of these cells by PRR ligands in vitro.
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