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BMC Immunology
Published in: BMC Immunology 1/2018

Open Access 01-12-2018 | Research article

Anti-SIRT1 autoantibody is elevated in ankylosing spondylitis: a potential disease biomarker

Published in: BMC Immunology | Issue 1/2018

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Abstract

Background

Little is known about the presence of specific autoantibodies in ankylosing spondylitis (AS), an immune-mediated inflammatory disease. The object of this study was to explore potential autoantibody profiles in AS patients.

Results

Levels of anti-SIRT1 autoantibodies were significantly higher in AS (P < 0.001) and psoriatic arthritis (PsA) (P < 0.01) patients but not rheumatoid arthritis (RA) patients compared with healthy controls. Additionally, titers of anti-NAD-dependent protein deacetylase sirtuin-1(SIRT1) antibodies were significantly higher in AS patients than in RA (P < 0.05) and PsA (P < 0.05) patients. Moreover, levels of anti-SIRT1 (P < 0.001) antibodies were significantly higher during the first year in patients with hip joint involvement. The anti-SIRT1 antibody positivity rate was 18.9% in AS patients.

Conclusions

Our findings indicate that anti-SIRT1 autoantibodies may serve as a marker for diagnosing AS and predicting hip joint involvement at an early stage.
Appendix
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Metadata
Title
Anti-SIRT1 autoantibody is elevated in ankylosing spondylitis: a potential disease biomarker
Publication date
01-12-2018
Published in
BMC Immunology / Issue 1/2018
Electronic ISSN: 1471-2172
DOI
https://doi.org/10.1186/s12865-018-0280-x

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