Abstract：
:Toll-like receptors (TLRs) are key receptors of the innate immune system and show cell subset-specific expression. We investigated the messenger RNA (mRNA) expression of TLR genes in human haematopoietic stem cells (HSC), in naïve B cells, in memory B cells, in plasma cells from palatine tonsils and in plasma cells from peripheral blood. HSC and plasma cells showed unrestricted expression of TLR1-TLR9, in contrast to B cells which lacked TLR3, TLR4 and TLR8 but expressed mRNA of all other TLRs. We demonstrated, for the first time, that TLR triggering of terminally differentiated plasma cells augments immunoglobulin production. Thus, boosting the immediate antibody response by plasma cells upon pathogen recognition may point to a novel role of TLRs.
journal_name
Immunologyjournal_title
Immunologyauthors
Dorner M,Brandt S,Tinguely M,Zucol F,Bourquin JP,Zauner L,Berger C,Bernasconi M,Speck RF,Nadal Ddoi
10.1111/j.1365-2567.2009.03143.xsubject
Has Abstractpub_date
2009-12-01 00:00:00pages
573-9issue
4eissn
0019-2805issn
1365-2567journal_volume
128pub_type
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