The early interaction of Leishmania with macrophages and dendritic cells and its influence on the host immune response.

The early interaction of Leishmania with macrophages and dendritic cells and its influence on the host immune response.
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DOI:
10.3389/fcimb.2012.00083
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发表时间:
2012
影响因子:
5.7
通讯作者:
Uzonna JE
Uzonna JE
中科院分区:
医学2区
文献类型:
--
作者:
Liu D;Uzonna JE

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利什曼原虫与宿主抗原呈递细胞(APC)之间复杂的相互作用对该疾病的最终结果具有根本性影响。两种主要的 APC,巨噬细胞和树突状细胞 (DC),在利什曼原虫感染过程中介导耐药性和易感性方面发挥着关键作用。巨噬细胞是利什曼原虫的主要驻留细胞:它们吞噬并允许寄生虫增殖。然而,这些细胞也是消除感染的主要效应细胞。巨噬细胞有效清除寄生虫取决于适当免疫反应的激活,该反应通常由 DC 发起。在这里,我们回顾了 APC 与利什曼原虫寄生虫的早期相互作用,以及这些相互作用如何对随后的适应性免疫反应产生深远影响。我们还讨论了当前的知识将如何进一步完善我们对利什曼原虫与其宿主之间导致抵抗或易感性的相互作用的理解。
The complicated interactions between Leishmania and the host antigen-presenting cells (APCs) have fundamental effects on the final outcome of the disease. Two major APCs, macrophages and dendritic cells (DCs), play critical roles in mediating resistance and susceptibility during Leishmania infection. Macrophages are the primary resident cell for Leishmania: they phagocytose and permit parasite proliferation. However, these cells are also the major effector cells to eliminate infection. The effective clearance of parasites by macrophages depends on activation of appropriate immune response, which is usually initiated by DCs. Here, we review the early interaction of APCs with Leishmania parasites and how these interactions profoundly impact on the ensuing adaptive immune response. We also discuss how the current knowledge will allow further refinement of our understanding of the interplay between Leishmania and its hosts that leads to resistance or susceptibility.
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