Antigen-specific T cells in rheumatoid arthritis - PubMed (original) (raw)

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Antigen-specific T cells in rheumatoid arthritis

Sean R Bennett et al. Curr Rheumatol Rep. 2003 Aug.

Abstract

There is considerable evidence of a key role for CD4+ T cells in the pathogenesis of rheumatoid arthritis. Several attractive candidate antigens, mostly joint-specific, have been studied, but information regarding T cell responses to these antigens in patients is limited and occasionally contradictory. Novel reagents (such as major histocompatibility complex and peptide tetramers) and sensitive techniques (such as intracellular cytokine staining) will aid in future studies to identify antigen-specific T cells. In addition, a new animal model of inflammatory arthritis has recently provided new perspective to the study of rheumatoid arthritis by drawing attention to systemic self-antigens as targets of autoimmunity and anti-self antibodies as markers of T cell activity and effectors of disease.

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