B cells in rheumatoid synovitis.

Abstract:

:In rheumatoid arthritis, T cells, B cells, macrophages, and dendritic cells invade the synovial membranes, establishing complex microstructures that promote inflammatory/tissue destructive lesions. B cell involvement has been considered to be limited to autoantibody production. However, recent studies suggest that B cells support rheumatoid disease through other mechanisms. A critical element of rheumatoid synovitis is the process of ectopic lymphoid neogenesis, with highly efficient lymphoid architectures established in a nonlymphoid tissue site. Rheumatoid synovitis recapitulates the pathways of lymph node formation, and B cells play a key role in this process. Furthermore, studies of rheumatoid lesions implanted in immunodeficient mice suggest that T cell activation in synovitis is B cell dependent, indicating the role played by B cells in presenting antigens and providing survival signals.

journal_name

Arthritis Res Ther

authors

Weyand CM,Seyler TM,Goronzy JJ

doi

10.1186/ar1737

keywords:

subject

Has Abstract

pub_date

2005-01-01 00:00:00

pages

S9-12

eissn

1478-6354

issn

1478-6362

pii

ar1737

journal_volume

7 Suppl 3

pub_type

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