The LRF transcription factor regulates mature B cell development and the germinal center response in mice

B cells play a central role in immune system function. Deregulation of normal B cell maturation can lead to the development of autoimmune syndromes as well as B cell malignancies. Elucidation of the molecular features of normal B cell development is important for the development of new target therap...

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Veröffentlicht in:The Journal of clinical investigation 2011-07, Vol.121 (7), p.2583-2598
Hauptverfasser: Sakurai, Nagisa, Maeda, Manami, Lee, Sung-Uk, Ishikawa, Yuichi, Li, Min, Williams, John C, Wang, Lisheng, Su, Leila, Suzuki, Mai, Saito, Toshiki I, Chiba, Shigeru, Casola, Stefano, Yagita, Hideo, Teruya-Feldstein, Julie, Tsuzuki, Shinobu, Bhatia, Ravi, Maeda, Takahiro
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container_end_page 2598
container_issue 7
container_start_page 2583
container_title The Journal of clinical investigation
container_volume 121
creator Sakurai, Nagisa
Maeda, Manami
Lee, Sung-Uk
Ishikawa, Yuichi
Li, Min
Williams, John C
Wang, Lisheng
Su, Leila
Suzuki, Mai
Saito, Toshiki I
Chiba, Shigeru
Casola, Stefano
Yagita, Hideo
Teruya-Feldstein, Julie
Tsuzuki, Shinobu
Bhatia, Ravi
Maeda, Takahiro
description B cells play a central role in immune system function. Deregulation of normal B cell maturation can lead to the development of autoimmune syndromes as well as B cell malignancies. Elucidation of the molecular features of normal B cell development is important for the development of new target therapies for autoimmune diseases and B cell malignancies. Employing B cell-specific conditional knockout mice, we have demonstrated here that the transcription factor leukemia/lymphoma-related factor (LRF) forms an obligate dimer in B cells and regulates mature B cell lineage fate and humoral immune responses via distinctive mechanisms. Moreover, LRF inactivation in transformed B cells attenuated their growth rate. These studies identify what we believe to be a new key factor for mature B cell development and provide a rationale for targeting LRF dimers for the treatment of autoimmune diseases and B cell malignancies.
doi_str_mv 10.1172/jci45682
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Deregulation of normal B cell maturation can lead to the development of autoimmune syndromes as well as B cell malignancies. Elucidation of the molecular features of normal B cell development is important for the development of new target therapies for autoimmune diseases and B cell malignancies. Employing B cell-specific conditional knockout mice, we have demonstrated here that the transcription factor leukemia/lymphoma-related factor (LRF) forms an obligate dimer in B cells and regulates mature B cell lineage fate and humoral immune responses via distinctive mechanisms. Moreover, LRF inactivation in transformed B cells attenuated their growth rate. These studies identify what we believe to be a new key factor for mature B cell development and provide a rationale for targeting LRF dimers for the treatment of autoimmune diseases and B cell malignancies.</description><identifier>ISSN: 0021-9738</identifier><identifier>EISSN: 1558-8238</identifier><identifier>DOI: 10.1172/jci45682</identifier><identifier>PMID: 21646720</identifier><language>eng</language><publisher>United States: American Society for Clinical Investigation</publisher><subject>Anemia ; Animals ; Antigens ; Autoimmune diseases ; B cells ; B-Lymphocytes - immunology ; B-Lymphocytes - physiology ; Biomedical research ; Cell Differentiation - immunology ; Cells ; Cyclin-Dependent Kinase Inhibitor p16 - genetics ; Cyclin-Dependent Kinase Inhibitor p16 - immunology ; DNA-Binding Proteins - chemistry ; DNA-Binding Proteins - genetics ; DNA-Binding Proteins - immunology ; Gene Expression Regulation ; Genes ; Genetic aspects ; Germinal Center - cytology ; Germinal Center - immunology ; Germinal Center - physiology ; Immune response ; Leukemia ; Lymphocytes ; Lymphoma ; Mice ; Mice, Knockout ; Microarray Analysis ; Models, Molecular ; Mutation ; Physiological aspects ; Protein Conformation ; Protein Multimerization ; Proteins ; Risk factors ; RNA, Small Interfering - genetics ; RNA, Small Interfering - metabolism ; Spleen - cytology ; Transcription factors ; Transcription Factors - chemistry ; Transcription Factors - genetics ; Transcription Factors - immunology</subject><ispartof>The Journal of clinical investigation, 2011-07, Vol.121 (7), p.2583-2598</ispartof><rights>COPYRIGHT 2011 American Society for Clinical Investigation</rights><rights>Copyright American Society for Clinical Investigation Jul 2011</rights><rights>Copyright © 2011, American Society for Clinical Investigation 2011</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c668t-fb27b3fb4557fc570615f5ad4cf4dbc0efcd257f1b225da4d1cd3b296397a9883</citedby><cites>FETCH-LOGICAL-c668t-fb27b3fb4557fc570615f5ad4cf4dbc0efcd257f1b225da4d1cd3b296397a9883</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3223838/pdf/$$EPDF$$P50$$Gpubmedcentral$$H</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3223838/$$EHTML$$P50$$Gpubmedcentral$$H</linktohtml><link.rule.ids>230,314,727,780,784,885,27924,27925,53791,53793</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21646720$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Sakurai, Nagisa</creatorcontrib><creatorcontrib>Maeda, Manami</creatorcontrib><creatorcontrib>Lee, Sung-Uk</creatorcontrib><creatorcontrib>Ishikawa, Yuichi</creatorcontrib><creatorcontrib>Li, Min</creatorcontrib><creatorcontrib>Williams, John C</creatorcontrib><creatorcontrib>Wang, Lisheng</creatorcontrib><creatorcontrib>Su, Leila</creatorcontrib><creatorcontrib>Suzuki, Mai</creatorcontrib><creatorcontrib>Saito, Toshiki I</creatorcontrib><creatorcontrib>Chiba, Shigeru</creatorcontrib><creatorcontrib>Casola, Stefano</creatorcontrib><creatorcontrib>Yagita, Hideo</creatorcontrib><creatorcontrib>Teruya-Feldstein, Julie</creatorcontrib><creatorcontrib>Tsuzuki, Shinobu</creatorcontrib><creatorcontrib>Bhatia, Ravi</creatorcontrib><creatorcontrib>Maeda, Takahiro</creatorcontrib><title>The LRF transcription factor regulates mature B cell development and the germinal center response in mice</title><title>The Journal of clinical investigation</title><addtitle>J Clin Invest</addtitle><description>B cells play a central role in immune system function. 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subjects Anemia
Animals
Antigens
Autoimmune diseases
B cells
B-Lymphocytes - immunology
B-Lymphocytes - physiology
Biomedical research
Cell Differentiation - immunology
Cells
Cyclin-Dependent Kinase Inhibitor p16 - genetics
Cyclin-Dependent Kinase Inhibitor p16 - immunology
DNA-Binding Proteins - chemistry
DNA-Binding Proteins - genetics
DNA-Binding Proteins - immunology
Gene Expression Regulation
Genes
Genetic aspects
Germinal Center - cytology
Germinal Center - immunology
Germinal Center - physiology
Immune response
Leukemia
Lymphocytes
Lymphoma
Mice
Mice, Knockout
Microarray Analysis
Models, Molecular
Mutation
Physiological aspects
Protein Conformation
Protein Multimerization
Proteins
Risk factors
RNA, Small Interfering - genetics
RNA, Small Interfering - metabolism
Spleen - cytology
Transcription factors
Transcription Factors - chemistry
Transcription Factors - genetics
Transcription Factors - immunology
title The LRF transcription factor regulates mature B cell development and the germinal center response in mice
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