Sensing of Mycobacterium tuberculosis and consequences to both host and bacillus.

Sensing of Mycobacterium tuberculosis and consequences to both host and bacillus.
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DOI:
10.1111/imr.12263
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发表时间:
2015-03
影响因子:
8.7
通讯作者:
Shiloh MU
Shiloh MU
中科院分区:
医学1区
文献类型:
--
作者:
Stamm CE;Collins AC;Shiloh MU

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结核分枝杆菌(Mycobacterium tuberculosis,Mtb)是人类结核病的主要病原体,在人类历史上比任何其他细菌病原体杀死更多的人,并且仍然是世界范围内最重要的传染性疾病之一。由于结核分枝杆菌与人类的长期相互作用,人类粘膜和先天免疫细胞在最初接触期间已经进化出多种机制来检测结核分枝杆菌,这并不奇怪。为此,人类细胞的细胞表面装饰有多种分枝杆菌配体的模式识别受体。此外,一旦Mtb被摄入到专职吞噬细胞中,其他宿主分子就参与报告细胞内病原体的存在。在这篇综述中,我们讨论了特定的分枝杆菌产品在调节宿主检测结核分枝杆菌的能力的作用。此外,我们还描述了介导分枝杆菌感染检测的特异性宿主受体,以及个体受体在人类和模式生物中分枝杆菌发病机制中的作用。
Mycobacterium tuberculosis (Mtb), the primary causative agent of human tuberculosis, has killed more people than any other bacterial pathogen in human history and remains one of the most important transmissible diseases worldwide. Because of the longstanding interaction of Mtb with humans, it is no surprise that human mucosal and innate immune cells have evolved multiple mechanisms to detect Mtb during initial contact. To that end, the cell surface of human cells is decorated with numerous pattern recognition receptors for a variety of mycobacterial ligands. Further, once Mtb is ingested into professional phagocytes, other host molecules are engaged to report on the presence of an intracellular pathogen. In this review, we discuss the role of specific mycobacterial products in modulating the host’s ability to detect Mtb. In addition, we describe the specific host receptors that mediate the detection of mycobacterial infection and the role of individual receptors in mycobacterial pathogenesis in humans and model organisms.
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