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Bhlhe40 function in...
Bhlhe40 function in activated B and TFH cells restrains the GC reaction and prevents lymphomagenesis
- Article/chapterEnglish2021
Publisher, publication year, extent ...
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2021-12-17
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Rockefeller University Press,2021
Numbers
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LIBRIS-ID:oai:prod.swepub.kib.ki.se:150383990
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http://kipublications.ki.se/Default.aspx?queryparsed=id:150383990URI
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https://doi.org/10.1084/jem.20211406DOI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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The generation of high-affinity antibodies against pathogens and vaccines requires the germinal center (GC) reaction, which relies on a complex interplay between specialized effector B and CD4 T lymphocytes, the GC B cells and T follicular helper (TFH) cells. Intriguingly, several positive key regulators of the GC reaction are common for both cell types. Here, we report that the transcription factor Bhlhe40 is a crucial cell-intrinsic negative regulator affecting both the B and T cell sides of the GC reaction. In activated CD4 T cells, Bhlhe40 was required to restrain proliferation, thus limiting the number of TFH cells. In B cells, Bhlhe40 executed its function in the first days after immunization by selectively restricting the generation of the earliest GC B cells but not of early memory B cells or plasmablasts. Bhlhe40-deficient mice with progressing age succumbed to a B cell lymphoma characterized by the accumulation of monoclonal GC B-like cells and polyclonal TFH cells in various tissues.
Added entries (persons, corporate bodies, meetings, titles ...)
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Reinhardt, AKarolinska Institutet
(author)
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Gustafsson, CKarolinska Institutet
(author)
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Glaros, VKarolinska Institutet
(author)
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Artemov, AV
(author)
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Dunst, JKarolinska Institutet
(author)
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Taneja, R
(author)
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Adameyko, IKarolinska Institutet
(author)
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Mansson, RKarolinska Institutet
(author)
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Busslinger, M
(author)
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Kreslavsky, TKarolinska Institutet
(author)
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Karolinska Institutet
(creator_code:org_t)
Related titles
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In:The Journal of experimental medicine: Rockefeller University Press219:21540-95380022-1007
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Rauschmeier, R
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Reinhardt, A
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Gustafsson, C
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Glaros, V
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Artemov, AV
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Dunst, J
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Taneja, R
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Adameyko, I
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Mansson, R
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Busslinger, M
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Kreslavsky, T
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Karolinska Institutet