Clinical Significance of Elevated Serum Immunoglobulin G4 Levels in Patients With Rheumatoid Arthritis
- Title
- Clinical Significance of Elevated Serum Immunoglobulin G4 Levels in Patients With Rheumatoid Arthritis
- Author
- 전재범
- Keywords
- Rheumatoid arthritis; Immunoglobulin G4
- Issue Date
- 2020-04
- Publisher
- 대한류마티스학회
- Citation
- 대한류마티스학회지, v. 27, no. 2, page. 96-99
- Abstract
- Objective. This study aimed to evaluate the relationship between serum immunoglobulin G4 (IgG4) levels and the presence and disease activity of rheumatoid arthritis (RA). Methods. The study enrolled 128 participants (RA, 96; healthy controls, 17; osteoarthritis, 11; and IgG4-related disease, 4) between March 2014 and July 2017. Blood samples were collected prior to the commencement of treatment, and serum IgG4 levels were determined using a nephelometric assay (levels ≥135 mg/dL were considered elevated). The levels of serum IgG4 and the ratio of IgG4/total IgG in patients with RA were compared with those in healthy controls, patients with osteoarthritis, and patients with IgG4-related disease. Furthermore, the relationship between serum IgG4 levels and RA disease activity was evaluated. Results. Among the 96 patients with RA, the mean (±standard deviation) serum IgG4 level was 48.0±45.4 mg/dL; 6 (6.3%) patients had elevated serum IgG4 levels. However, none of the healthy controls or patients with osteoarthritis had elevated serum IgG4 levels. The mean serum IgG4/IgG ratio in patients with RA was 3.5%±2.8% (range, 0.2%∼16.9%). Using Spearman’s correlation coefficient analysis, a significant correlation was found between serum IgG4 levels and the Disease Activity Score-28 with erythrocyte sedimentation rate (r, 0.245; p=0.016). Conclusion. There was an increased frequency of elevated serum IgG4 levels in patients with RA, and the levels were correlated with RA disease activity.
- URI
- https://synapse.koreamed.org/articles/1144363https://repository.hanyang.ac.kr/handle/20.500.11754/166067
- ISSN
- 2233-4718; 2093-940X
- DOI
- 10.4078/jrd.2020.27.2.96
- Appears in Collections:
- COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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- Clinical Significance of Elevated Serum Immunoglobulin G4 Levels in Patients With Rheumatoid Arthritis.pdfDownload
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