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B cells, BAFF/zTNF4, TACI, and systemic lupus erythematosus

By Thomas Dörner and Chaim Putterman


B cells and B-cell/T-cell collaborations are instrumental in the pathophysiology of systemic lupus erythematosus (SLE). This commentary highlights in particular the newly discovered role of B-cell-activating factor (BAFF; also known as TALL-1, THANK, BlyS, and zTNF4) as a positive regulator of B-cell functions, such as B-cell activation and differentiation. Two members of the tumor necrosis factor(TNF)-receptor superfamily were recently identified as receptors for BAFF on B cells. The interaction between BAFF and its receptors may be important in the pathogenesis of lupus. Advances in our understanding of abnormalities in immune regulation in lupus might provide the opportunity to improve our current therapeutic approaches to this disorder

Topics: Commentary
Publisher: BioMed Central
Year: 2001
DOI identifier: 10.1186/ar299
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Provided by: PubMed Central

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