Anti-Sa antibodies: prognostic and pathogenetic significance to rheumatoid arthritis.

Abstract:

:Anti-Sa antibodies are detected in the serum of 20-47% of patients with rheumatoid arthritis. These antibodies have a high degree of specificity for the disease, and appear to identify a subset of early rheumatoid arthritis patients destined to have aggressive and destructive disease. It has recently been confirmed that anti-Sa antibodies are directed to citrullinated vimentin, thus placing them in the anti-citrulline family of autoantibodies. The Sa antigen has previously been shown to be present in synovium. This, along with the demonstration of citrullinated proteins in rheumatoid synovium, suggests that anti-Sa antibodies may play a pathogenetic role in the initiation and/or persistence of rheumatoid synovitis.

journal_name

Arthritis Res Ther

authors

El-Gabalawy HS,Wilkins JA

doi

10.1186/ar1171

keywords:

subject

Has Abstract

pub_date

2004-01-01 00:00:00

pages

86-9

issue

2

eissn

1478-6354

issn

1478-6362

pii

ar1171

journal_volume

6

pub_type

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