Lymph node fibroblastic reticular cells construct the stromal reticulum via contact with lymphocytes.

Lymph node fibroblastic reticular cells construct the stromal reticulum via contact with lymphocytes.
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淋巴结成纤维细胞网状细胞通过与淋巴细胞接触构建基质网状细胞。

DOI:
10.1084/jem.20040254
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发表时间:
2004-09-20
影响因子:
15.3
通讯作者:
Shimuzu, A
Shimuzu, A
中科院分区:
医学1区
文献类型:
--
作者:
Katakai, T;Hara, T;Sugai, M;Gonda, H;Shimuzu, A

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淋巴结复杂的微结构,主要由成纤维细胞网状细胞(FRC)和细胞外基质的网状网络支持,对免疫功能至关重要。FRC是如何形成复杂的网络并在淋巴细胞激活后重塑网络的,目前还不清楚。在这项工作中,我们建立了ERTR 7 + gp 38 +VCAM-1+ FRC系,并检查了ER-TR 7抗原的产生。FRC产生的多种趋化因子诱导T细胞和树突状细胞趋化和粘附到FRC表面。FRC可以分泌ER-TR 7抗原作为细胞外基质组分,以响应于与淋巴细胞的接触而形成网状网络。肿瘤坏死因子-α或淋巴毒素-α与淋巴毒素-β受体激动性抗体联合刺激,以核因子-κB(RelA)依赖性方式诱导网状结构的形成。这些发现表明,来自淋巴细胞的信号诱导FRC形成网络,支持淋巴结内免疫效应物的运动和相互作用。
The sophisticated microarchitecture of the lymph node, which is largely supported by a reticular network of fibroblastic reticular cells (FRCs) and extracellular matrix, is essential for immune function. How FRCs form the elaborate network and remodel it in response to lymphocyte activation is not understood. In this work, we established ERTR7+gp38+VCAM-1+ FRC lines and examined the production of the ER-TR7 antigen. Multiple chemokines produced by FRCs induced T cell and dendritic cell chemotaxis and adhesion to the FRC surface. FRCs can secrete the ER-TR7 antigen as an extracellular matrix component to make a reticular meshwork in response to contact with lymphocytes. The formation of the meshwork is induced by stimulation with tumor necrosis factor-α or lymphotoxin-α in combination with agonistic antibody to lymphotoxin-β receptor in a nuclear factor-κB (RelA)–dependent manner. These findings suggest that signals from lymphocytes induce FRCs to form the network that supports the movement and interactions of immune effectors within the lymph node.
DOI: 10.1016/s1074-7613(02)00423-5
发表时间: 2002-10-01
期刊: IMMUNITY
影响因子: 32.4
作者:
Dejardin, E;Droin, NM;Green, DR
通讯作者: Green, DR
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