Functional analysis of HPV-like particle-activated Langerhans cells in vitro.

Functional analysis of HPV-like particle-activated Langerhans cells in vitro.
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HPV 样颗粒激活朗格汉斯细胞的体外功能分析。

DOI:
10.1007/978-1-4939-2013-6_25
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发表时间:
2015
期刊:
Methods in molecular biology (Clifton, N.J.)
影响因子:
--
通讯作者:
Kast,WMartin
Kast,WMartin
中科院分区:
--
文献类型:
--
作者:
Yan,Lisa;Woodham,AndrewW;DaSilva,DianeM;Kast,WMartin

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朗格汉斯细胞 (LC) 是抗原呈递细胞,负责启动针对进入体内上皮层的人乳头瘤病毒 (HPV) 的免疫反应,因为它们是 HPV 接触的第一个免疫细胞。 LC 响应外来抗原而被激活,从而引起内部信号传导,导致共刺激分子的表达增加和炎症细胞因子的分泌。然后,功能激活的 LC 能够迁移到淋巴结,在那里它们与抗原特异性 T 细胞相互作用,并在体内启动适应性 T 细胞反应。然而,HPV已经以抑制LC功能的方式进化,因此抗原特异性T细胞的诱导受到阻碍。虽然有许多方法可以在体外监测 LC 的活性,但细胞毒性 T 细胞的迁移和诱导最终表明功能性免疫反应。在此,描述了在体外用 HPV 病毒样颗粒刺激 LC 后分析功能迁移和抗原特异性 T 细胞诱导的方法。
Langerhans cells (LCs) are antigen-presenting cells responsible for initiating an immune response against human papillomaviruses (HPVs) entering the epithelial layer in vivo as they are the first immune cell that HPV comes into contact with. LCs become activated in response to foreign antigens, which causes internal signaling resulting in the increased expression of co-stimulatory molecules and the secretion of inflammatory cytokines. Functionally activated LCs are then capable of migrating to the lymph nodes where they interact with antigen-specific T cells and initiate an adaptive T-cell response in vivo. However, HPV has evolved in a manner that suppresses LC function, and thus the induction of antigen-specific T cells is hindered. While many methods exist to monitor the activity of LCs in vitro, the migration and induction of cytotoxic T cells is ultimately indicative of a functional immune response. Here, methods in analyzing functional migration and induction of antigen-specific T cells after stimulation of LCs with HPV virus-like particles in vitro are described.
人乳头瘤病毒 16 型次要衣壳蛋白在免疫逃逸中的主要作用1
DOI: --
发表时间: 2009
影响因子: 4.4
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M. Kast;Laura M. Fahey;A. Raff;D. Silva
通讯作者: D. Silva
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发表时间: 2005-06-01
影响因子: 4.4
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通讯作者: Kast, WM
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影响因子: 7.3
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