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Cited by 384

The DOI matches its Crossref record; 49 of the 49 references it cites were found in a registry or an index.

The toll-like receptor repertoire of human B lymphocytes: inducible and selective expression of TLR9 and TLR10 in normal and transformed cells

Open access
Bourke, Emer, Bosisio, Daniela, Golay, Josée, Polentarutti, Nadia, Mantovani, Alberto·2003·Blood

Abstract

The present study was designed to investigate the expression of members of the toll-like receptor (TLR) family in human B cells. High-density, resting, and low-density activated tonsillar B cells expressed TLR9 and TLR10 mRNA transcripts at the highest levels. Expression was higher in activated B cells than in resting cells. Analysis of a range of resting and activated human leukocyte populations revealed that mRNA expression of TLR10 was restricted to B cells. Stimulation of resting B cells with anti-μ and anti-CD40 antibodies or with Staphylococcus aureus Cowan I bacteria (SAC) increased expression of TLR9 and TLR10. TLR1 and TLR4 expression were not significantly induced by B-cell activation. Interestingly, a CpG oligonucleotide, a TLR9 agonist, also stimulated TLR9 expression in B cells. Exposure to anti-μ antibodies augmented TLR9 expression, concomitantly and dramatically increasing the responsiveness of B cells to CpG oligonucleotides in terms of proliferation and chemokine (CC chemokine ligand 3 [CCL3] and CCL22) production. Epstein-Barr virus (EBV)–transformed cell lines and other cell lines representative of mature B-cell neoplasias (Burkitt lymphoma, follicular lymphoma, multiple myeloma) expressed TLR9 and/or TLR10, whereas pre-B cell lines were negative. These results show that normal and neoplastic human B lymphocytes express a distinct TLR repertoire including TLR9 and TLR10 and that expression is increased upon engagement of the antigen receptor complex or TLR9 itself. Regulated expression of selected TLRs in B cells is likely to play an important role in linking innate and adaptive immune responses in normal and pathologic conditions.

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Metadata

Authors
Bourke, E., Bosisio, D., Golay, J., Polentarutti, N., & Mantovani, A.
Venue
Blood
Published
2003-08-01
Volume
102
Issue
3
Pages
956-963
ISSN
  • 0006-4971 (ISSN-L)
  • 1528-0020
OpenAlex
W2065694999
Cited by
384
References
49
FWCI
7.59
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: The toll-like receptor repertoire of human B lymphocytes: inducible and selective expression of TLR9 and TLR10 in normal and transformed cells. https://app.cochat.ai/papers/10.1182/blood-2002-11-3355
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Bourke, E., Bosisio, D., Golay, J., Polentarutti, N., & Mantovani, A. (2003). The toll-like receptor repertoire of human B lymphocytes: inducible and selective expression of TLR9 and TLR10 in normal and transformed cells. Blood. https://doi.org/10.1182/blood-2002-11-3355

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