The Transcription Factor AP4 Mediates Resolution of Chronic Viral Infection through Amplification of Germinal Center B Cell Responses.
The Transcription Factor AP4 Mediates Resolution of Chronic Viral Infection through Amplification of Germinal Center B Cell Responses.
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转录因子AP4通过扩增生发中心B细胞反应来介导慢性病毒感染的分辨率。
DOI:
10.1016/j.immuni.2016.07.023
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发表时间:
2016-09-20
期刊:
影响因子:
32.4
通讯作者:
Egawa, Takeshi
中科院分区:
文献类型:
--
作者:
Chou, Chun;Verbaro, Daniel J.;Tonc, Elena;Holmgren, Melanie;Cella, Marina;Colonna, Marco;Bhattacharya, Deepta;Egawa, Takeshi
B cells diversify and affinity-mature their antigen receptor repertoire in germinal centers (GC). GC B cells receive help signals during transient interaction with T cells, yet it remains unknown how these transient T-B interactions in the light zone sustain the subsequent proliferative program of selected B cells that occurs in the anatomically distant dark zone. Here we show that the transcription factor AP4 was required for sustained GC B cell proliferation and subsequent establishment of a diverse and protective antibody repertoire. AP4 was induced by c-MYC during the T-B interactions, maintained by T cell-derived interleukin-21 (IL-21) and promoted repeated rounds of divisions of selected GC B cells. B cell-specific deletion of AP4 resulted in reduced GC sizes and reduced somatic hypermutation coupled with a failure to control chronic viral infection. These results indicate that AP4 integrates T cell-mediated selection and sustained expansion of GC B cells for humoral immunity.
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影响因子:
3.7
作者:
Korns Johnson D;Homann D
通讯作者:
Homann D
DOI:
10.1126/science.aac4919
发表时间:
2015-08-07
期刊:
Science (New York, N.Y.)
影响因子:
--
作者:
Gitlin AD;Mayer CT;Oliveira TY;Shulman Z;Jones MJ;Koren A;Nussenzweig MC
通讯作者:
Nussenzweig MC
影响因子:
5.4
作者:
HARDIE, DL;JOHNSON, GD;MACLENNAN, ICM
通讯作者:
MACLENNAN, ICM
DOI:
10.1073/pnas.91.25.12135
发表时间:
1994-12-06
影响因子:
11.1
作者:
CASTIGLI, E;ALT, FW;GEHA, RS
通讯作者:
GEHA, RS
DOI:
10.1073/pnas.0605944103
发表时间:
2006-09-12
影响因子:
11.1
作者:
Hobeika, E.;Thiemann, S.;Reth, M.
通讯作者:
Reth, M.