Toll-like receptor 2-mediated human B cell differentiation

Human B cells likely have a major role in the adjuvant activity of Toll-like receptor (TLR) 9 agonists by enhancing innate and adaptive immune responses. As several TLR2 ligands are promising vaccine adjuvant candidates, our aim was to characterize the effects of TLR2 stimulation on human B cell act...

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Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 120(2006), 3 vom: 05. Sept., Seite 272-84
1. Verfasser: Ganley-Leal, Lisa M (VerfasserIn)
Weitere Verfasser: Liu, Xiuping, Wetzler, Lee M
Format: Aufsatz
Sprache:English
Veröffentlicht: 2006
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Research Support, N.I.H., Extramural Antigens, CD19 Immunoglobulin G Immunoglobulin M TLR2 protein, human Toll-Like Receptor 2 Trihexosylceramides globotriaosylceramide 71965-57-6
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245 1 0 |a Toll-like receptor 2-mediated human B cell differentiation 
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520 |a Human B cells likely have a major role in the adjuvant activity of Toll-like receptor (TLR) 9 agonists by enhancing innate and adaptive immune responses. As several TLR2 ligands are promising vaccine adjuvant candidates, our aim was to characterize the effects of TLR2 stimulation on human B cell activation and differentiation using cells derived from healthy peripheral blood (PB), spleen, and diseased tonsils. We found a subset of partially differentiated TLR2+ PB and splenic B cells which responds to TLR2 agonists by mediating events involved in germinal center formation, such as upregulating CD77 and secreting chemokines. Furthermore, we show that TLR2-activated monocytes induce B cells to secrete significant quantities of IgM. Finally, activated TLR2+ B cells from tonsils are induced to secrete IgM directly by TLR2 ligands. Thus, TLR2 is likely involved in specific B cell-mediated functions and may be a viable vaccine adjuvant target in humans 
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650 4 |a Research Support, N.I.H., Extramural 
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650 7 |a Immunoglobulin G  |2 NLM 
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650 7 |a TLR2 protein, human  |2 NLM 
650 7 |a Toll-Like Receptor 2  |2 NLM 
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700 1 |a Liu, Xiuping  |e verfasserin  |4 aut 
700 1 |a Wetzler, Lee M  |e verfasserin  |4 aut 
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