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Related Experiment Videos

Soluble E-selectin is increased in inflammatory synovial fluid

C W Carson1, L D Beall, G G Hunder

  • 1Department of Medicine, Mayo Clinic/Foundation, Rochester, MN.

The Journal of Rheumatology
|April 1, 1994
PubMed
Summary

Soluble E-selectin (sE-selectin) is elevated in synovial fluid of patients with inflammatory arthritis, particularly rheumatoid arthritis and psoriatic arthritis. This suggests endothelial cell activation contributes to inflammatory processes.

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Area of Science:

  • Biomedical research
  • Immunology
  • Rheumatology

Background:

  • Inflammatory arthritis involves complex immune responses.
  • Endothelial cell activation is implicated in various inflammatory conditions.

Purpose of the Study:

  • To investigate the presence and role of soluble E-selectin (sE-selectin) in synovial fluid (SF) of patients with inflammatory arthritis.
  • To determine if sE-selectin levels differ across various arthritic conditions.

Main Methods:

  • A sandwich ELISA was employed to quantify sE-selectin levels.
  • SF samples were analyzed from patients with rheumatoid arthritis (RA), psoriatic arthritis (PsA), osteoarthritis (OA), gout, and calcium pyrophosphate dihydrate crystal deposition disease (CPPD).

Main Results:

Related Experiment Videos

  • Synovial fluid sE-selectin levels were significantly higher in RA and PsA patients compared to OA, gout, and CPPD patients.
  • Elevated SF sE-selectin correlated with increased serum sE-selectin, erythrocyte sedimentation rate, and SF white blood cell count.

Conclusions:

  • Endothelial cell activation, indicated by elevated sE-selectin, appears to contribute to the pathogenesis of inflammatory arthritis.
  • sE-selectin may serve as a potential biomarker in inflammatory arthritic conditions.