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Düber, S.* ; Hafner, M.* ; Krey, M.* ; Lienenklaus, S.* ; Roy, B.* ; Hobeika, E.* ; Reth, M.* ; Buch, T.* ; Waisman, A.* ; Kretschmer, K.* ; Weiss, S.*

Induction of B-cell development in adult mice reveals the ability of bone marrow to produce B-1a cells.

Blood 114, 4960-4967 (2009)
DOI PMC
Open Access Green as soon as Postprint is submitted to ZB.
To study B-cell development from bone marrow (BM), we generated recombination-activating gene 1 (Rag1)-targeted mice lacking mature lymphocytes. B-cell development can be induced in such mice by B cell-specific restoration of a functional Rag1 transcription unit. Follicular and marginal zone B cells populated the spleen when Rag1 expression was permitted. Notably, the peritoneal cavity was dominated by bona fide B-1a cells, as judged by surface markers and functional properties. These BM-derived B-1a cells exhibited a polyclonal VDJ repertoire with substantial N nucleotide insertions. Nevertheless, physiologic frequencies of phosphatidylcholine-specific B cells were detected. Importantly, the BM of young and 5-month-old mice was indistinguishable with regard to the potential to generate B-1a cells.
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Publication type Article: Journal article
Document type Scientific Article
Language english
Publication Year 2009
HGF-reported in Year 0
ISSN (print) / ISBN 0006-4971
e-ISSN 1528-0020
Journal Blood
Quellenangaben Volume: 114, Issue: 24, Pages: 4960-4967 Article Number: , Supplement: ,
Publisher American Society of Hematology
Reviewing status Peer reviewed
Institute(s) Institute of Pancreatic Islet Research (IPI)
PubMed ID 19812384
Erfassungsdatum 2009-12-31