Requirement for the NF-kappaB family member RelA in the development of secondary lymphoid organs.

Requirement for the NF-kappaB family member RelA in the development of secondary lymphoid organs.
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NF-kappab家族成员Rela的需求在次级淋巴机构的发展中。

DOI:
10.1084/jem.20011885
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发表时间:
2002-01-21
期刊:
The Journal of experimental medicine
影响因子:
--
通讯作者:
Baltimore D
Baltimore D
中科院分区:
其他
文献类型:
--
作者:
Alcamo E;Hacohen N;Schulte LC;Rennert PD;Hynes RO;Baltimore D

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转录因子核因子(NF)-κB已被认为是淋巴结和Peyer's斑块发展的关键介质。然而,NF-κB/ Rel家族成员的靶向缺失尚未证实这种功能。在这里,我们报道,当缺乏NF-κB的RelA亚基的小鼠在肿瘤坏死因子受体(TNFR)1缺乏的背景下繁殖时,出生的小鼠缺乏淋巴结、Peyer's斑块和有组织的脾微结构,并且在T细胞依赖性抗原应答方面存在严重缺陷。对缺乏TNFR1/RelA的胚胎组织和辐射嵌合体的分析表明,对RelA的依赖并不表现在造血细胞中,而是表现在次级淋巴器官发育所需的放射抗性基质细胞中。
The transcription factor nuclear factor (NF)-κB has been suggested to be a key mediator of the development of lymph nodes and Peyer's patches. However, targeted deletion of NF-κB/ Rel family members has not yet corroborated such a function. Here we report that when mice lacking the RelA subunit of NF-κB are brought to term by breeding onto a tumor necrosis factor receptor (TNFR)1-deficient background, the mice that are born lack lymph nodes, Peyer's patches, and an organized splenic microarchitecture, and have a profound defect in T cell–dependent antigen responses. Analyses of TNFR1/RelA-deficient embryonic tissues and of radiation chimeras suggest that the dependence on RelA is manifest not in hematopoietic cells but rather in radioresistant stromal cells needed for the development of secondary lymphoid organs.
DOI: 10.1084/jem.187.2.147
发表时间: 1998-01-19
期刊: The Journal of experimental medicine
影响因子: --
作者:
Franzoso G;Carlson L;Poljak L;Shores EW;Epstein S;Leonardi A;Grinberg A;Tran T;Scharton-Kersten T;Anver M;Love P;Brown K;Siebenlist U
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发表时间: 1996-01-01
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