Regulation of T cell priming by lymphoid stroma.
Regulation of T cell priming by lymphoid stroma.
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通过淋巴样基质调节T细胞启动。
DOI:
10.1371/journal.pone.0026138
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发表时间:
2011
期刊:
影响因子:
3.7
通讯作者:
Krummel MF
中科院分区:
文献类型:
--
作者:
Khan O;Headley M;Gerard A;Wei W;Liu L;Krummel MF
The priming of immune T cells by their interaction with dendritic cells (DCs) in lymph nodes (LN), one of the early events in productive adaptive immune responses, occurs on a scaffold of lymphoid stromal cells, which have largely been seen as support cells or sources of chemokines and homeostatic growth factors. Here we show that murine fibroblastic reticular cells (FRCs), isolated from LN of B6 mice, play a more direct role in the immune response by sensing and modulating T cell activation through their upregulation of inducible nitric oxide synthase (iNOS) in response to early T cell IFNγ production. Stromal iNOS, which only functions in very close proximity, attenuates responses to inflammatory DC immunization but not to other priming regimens and preferentially affects Th1 cells rather than Th2. The resultant nitric oxide production does not affect T cell-DC coupling or initial calcium signaling, but restricts homotypic T cell clustering, cell cycle progression, and proliferation. Stromal feedback inhibition thus provides basal attenuation of T cell responses, particularly those characterized by strong local inflammatory cues.
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影响因子:
20.3
作者:
Sato, Kazuya;Ozaki, Katsutoshi;Ozawa, Keiya
通讯作者:
Ozawa, Keiya
DOI:
10.1084/jem.182.5.1591
发表时间:
1995-11-01
期刊:
The Journal of experimental medicine
影响因子:
--
作者:
Constant S;Pfeiffer C;Woodard A;Pasqualini T;Bottomly K
通讯作者:
Bottomly K
DOI:
10.1084/jem.194.6.769
发表时间:
2001-09-17
期刊:
The Journal of experimental medicine
影响因子:
--
作者:
Hawiger D;Inaba K;Dorsett Y;Guo M;Mahnke K;Rivera M;Ravetch JV;Steinman RM;Nussenzweig MC
通讯作者:
Nussenzweig MC
DOI:
10.1084/jem.192.10.1425
发表时间:
2000-11-20
期刊:
The Journal of experimental medicine
影响因子:
--
作者:
Gretz JE;Norbury CC;Anderson AO;Proudfoot AE;Shaw S
通讯作者:
Shaw S
影响因子:
32.4
作者:
Beuneu, Helene;Lemaitre, Fabrice;Bousso, Philippe
通讯作者:
Bousso, Philippe