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Clinical Rheumatology

, Volume 28, Issue 7, pp 841–845 | Cite as

Association of antiphosphatidylserine/prothrombin antibodies with neuropsychiatric systemic lupus erythematosus

  • Tomoko Syuto
  • Akira Shimizu
  • Yuko Takeuchi
  • Setsuko Tanaka
  • Michiko Hasegawa
  • Yayoi Nagai
  • Atsushi Tamura
  • Osamu Ishikawa
Brief Report

Abstract

Neuropsychiatric manifestations in patients with systemic lupus erythematosus (SLE) are well-recognized symptoms although the pathophysiology of neuropsychiatric SLE (NPSLE) is unclear. Since an association with antiphospholipid antibodies has been reported, we examined the prevalence of antiphosphatidylserine–prothrombin antibodies (anti-PS/PT Abs), lupus anticoagulant (LA), anticardiolipin/β2-glycoprotein I antibodies (anti-β2-GPI Abs), and antiribosomal P protein antibodies (antiribosomal P Abs) in 68 SLE patients and analyzed their associations with neuropsychiatric manifestations. The prevalence of LA was significantly higher in the patients with neuropsychiatric (NP) features than those without NP features (P < 0.02). The levels of anti-PS/PT antibody were also significantly higher in the patients with NP features than those without NP features (P < 0.01). The results indicate that LA positivity and higher levels of anti-PS/PT antibody can be predictive markers for NPSLE.

Keywords

Antiphosphatidylserine–prothrombin antibody Neuropsychiatric systemic lupus erythematosus 

Notes

Disclosures

None.

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Copyright information

© Clinical Rheumatology 2009

Authors and Affiliations

  • Tomoko Syuto
    • 1
  • Akira Shimizu
    • 1
  • Yuko Takeuchi
    • 1
  • Setsuko Tanaka
    • 1
  • Michiko Hasegawa
    • 1
  • Yayoi Nagai
    • 1
  • Atsushi Tamura
    • 1
  • Osamu Ishikawa
    • 1
  1. 1.Department of DermatologyGunma University Graduate School of MedicineMaebashiJapan

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