Interactions between fibroblastic reticular cells and B cells promote mesenteric lymph node lymphangiogenesis.
Interactions between fibroblastic reticular cells and B cells promote mesenteric lymph node lymphangiogenesis.
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成纤维细胞网状细胞和B细胞之间的相互作用促进肠系膜淋巴结淋巴管生成。
DOI:
10.1038/s41467-017-00504-9
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发表时间:
2017-08-28
影响因子:
16.6
通讯作者:
Harris NL
中科院分区:
文献类型:
--
作者:
Dubey LK;Karempudi P;Luther SA;Ludewig B;Harris NL
Lymphatic growth (lymphangiogenesis) within lymph nodes functions to promote dendritic cell entry and effector lymphocyte egress in response to infection or inflammation. Here we demonstrate a crucial role for lymphotoxin-beta receptor (LTβR) signaling to fibroblastic reticular cells (FRCs) by lymphotoxin-expressing B cells in driving mesenteric lymph node lymphangiogenesis following helminth infection. LTβR ligation on fibroblastic reticular cells leads to the production of B-cell-activating factor (BAFF), which synergized with interleukin-4 (IL-4) to promote the production of the lymphangiogenic factors, vascular endothelial growth factors (VEGF)-A and VEGF-C, by B cells. In addition, the BAFF-IL-4 synergy augments expression of lymphotoxin by antigen-activated B cells, promoting further B cell–fibroblastic reticular cell interactions. These results underlie the importance of lymphotoxin-dependent B cell–FRC cross talk in driving the expansion of lymphatic networks that function to promote and maintain immune responsiveness. The growth of lymph nodes in response to infection requires lymphangiogenesis. Dubey et al. show that the mesenteric lymph node lymphangiogenesis upon helminth infection depends on the signaling loop between the B and fibroblastic reticular cells (FRCs), whereby the FRCs respond to lymphotoxin secreted by B cells by releasing B cell activating factor.
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影响因子:
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作者:
通讯作者:
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DOI:
10.1073/pnas.0606697104
发表时间:
2007-03-20
影响因子:
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作者:
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DOI:
10.4049/jimmunol.1101724
发表时间:
2011-12-01
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
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作者:
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通讯作者:
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