Rheumatoid peripheral blood phagocytes are primed for activation but have impaired Fc-mediated generation of reactive oxygen species
2007

Rheumatoid Arthritis and Neutrophil Function

Sample size: 18 publication 10 minutes Evidence: moderate

Author Information

Author(s): Anna-Marie Fairhurst, Paul K. Wallace, Ali S. M. Jawad, Nicolas J. Goulding

Primary Institution: William Harvey Research Institute, Barts and the London, Queen Mary's School of Medicine and Dentistry

Hypothesis

Do neutrophils in patients with rheumatoid arthritis have impaired reactive oxygen species generation?

Conclusion

Patients with active rheumatoid arthritis have a reduced ability to generate reactive oxygen species in response to dual receptor activation.

Supporting Evidence

  • Neutrophils from patients with rheumatoid arthritis showed decreased reactive oxygen species production compared to controls.
  • Functional defects in neutrophil Fcγ receptors were observed in rheumatoid arthritis patients.
  • High levels of circulating immune complexes are characteristic of rheumatoid arthritis.

Takeaway

People with rheumatoid arthritis have trouble fighting infections because their immune cells don't work as well as they should.

Methodology

The study involved examining the function of neutrophils from patients with rheumatoid arthritis using a specific reactive oxygen species assay.

Potential Biases

Potential biases may arise from the selection of control subjects and the specific patient population studied.

Limitations

The sample size was small, and the study may not account for all variables affecting neutrophil function.

Participant Demographics

18 patients (4 male, 14 female) with an average age of 62.6 years.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/ar2144

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