Rheumatology Advance Access originally published online on October 27, 2004
Rheumatology 2005 44(2):151-156; doi:10.1093/rheumatology/keh446
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Rheumatology Vol. 44 No. 2 © British Society for Rheumatology 2004; all rights reserved
REVIEW |
Prospects for B-cell-targeted therapy in autoimmune disease
University College London Centre for Rheumatology, London, UK.
Correspondence to: J. C. W. Edwards, Rheumatology, Arthur Stanley House, 4050 Tottenham Street, London W1T 4NJ, UK.
KEY WORDS: Rituximab, B-cell depletion, Autoimmunity, Rheumatoid arthritis
| The first 150 words of the full text of this article appear below. |
| Introduction |
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Reasons for targeting B cells in autoimmune disease date back to the discovery of autoantibodies over 50 yr ago [1]. The idea became of practical interest when anti-B cell monoclonal antibodies were developed in the early 1990s [2, 3]. Fortuitously, at about the same time it became clear that B cells are not simply the subordinate foot soldiers of an immune response but may be as important as T cells in its genesis and regulation. Moreover, it seemed possible that B cells might actually be the driving force behind human autoimmunity. The concept of therapeutic B-lymphocyte depletion (BLyD) emerged subsequently in the pages of this journal [4]. Concept was transformed into reality with the use of the anti-CD20 (i.e. anti-B cell) monoclonal antibody rituximab [519].
BLyD has provided clear evidence that B-cell targeting has therapeutic potential [519]. The evidence
| The development of B-lymphocyte depletion |
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| The rationale for B-lymphocyte depletion |
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Clinical pathology is antibody-mediated
Removal of B cells might starve T cells of autoantigen-presenting cells
Removal of self-perpetuating B cells responsible for the vicious cycle of antibody production
| The vicious cycle of antibody production |
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| Aberrant cycle engagement: autoantibodies as immunomodulators |
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| What happens to autoimmune responses after BLyD? |
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| Relationship between antibodies and clinical response |
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| Reasons for relapse |
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Practical problems with BLyD with anti-CD20
Alternative strategies
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