Article ; Online: Serum chemerin levels: A potential biomarker of joint inflammation in women with rheumatoid arthritis.
PloS one
2021 Volume 16, Issue 9, Page(s) e0255854
Abstract: Background: Chemerin has a potential role in perpetuating inflammation in autoimmune diseases. Nevertheless, to date, there is no conclusive information on whether high chemerin levels increase the severity of rheumatoid arthritis (RA). Therefore, this ... ...
| Abstract | Background: Chemerin has a potential role in perpetuating inflammation in autoimmune diseases. Nevertheless, to date, there is no conclusive information on whether high chemerin levels increase the severity of rheumatoid arthritis (RA). Therefore, this study evaluated whether serum chemerin is a biomarker of disease activity in RA patients. Methods: Study design: cross-sectional. The assessment included clinical and laboratory characteristics, body mass index (BMI) and fat mass. The severity of the disease activity was identified according to the DAS28-CRP index as follows: A) RA with a DAS28-CRP≤2.9 (remission/mild activity) and B) RA with a DAS28-CRP>2.9 (moderate/severe activity). Serum chemerin concentrations were measured by ELISA, and ≥103 ng/mL was considered a high level. Logistic regression analysis was applied to determine whether high chemerin levels were associated with disease activity in RA after adjusting for confounders. Multiple regression analysis was performed to identify variables associated with chemerin levels. Results: Of 210 RA patients, 89 (42%) subjects had moderate/severe disease activity and had higher serum chemerin levels than patients with low disease activity or remission (86 ± 34 vs 73± 27; p = 0.003). Serum chemerin correlated with the number of swollen joints (r = 0.15; p = 0.03), DAS28-CRP (r = 0.22; p = 0.002), and C-reactive protein levels (r = 0.14; p = 0.04), but no correlation was observed with BMI and fat mass. In the adjusted logistic regression analysis, high chemerin levels (≥103 ng/mL) were associated with an increased risk of moderate/severe disease activity (OR: 2.76, 95% CI 1.35-5.62; p = 0.005). In the multiple regression analysis, after adjusting for potential confounders, serum chemerin levels were associated with higher DAS28-CRP (p = 0.002). Conclusions: Higher chemerin levels increased the risk of moderate and severe disease activity in RA. These results support the role of chemerin as a marker of inflammation in RA. Follow-up studies will identify if maintaining low chemerin levels can be used as a therapeutic target. |
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| MeSH term(s) | Arthritis, Rheumatoid/complications ; Biomarkers/blood ; C-Reactive Protein/analysis ; Chemokines/blood ; Cross-Sectional Studies ; Female ; Humans ; Inflammation/blood ; Inflammation/diagnosis ; Inflammation/etiology ; Knee Joint/pathology ; Middle Aged ; Prognosis ; Severity of Illness Index |
| Chemical Substances | Biomarkers ; Chemokines ; RARRES2 protein, human ; C-Reactive Protein (9007-41-4) |
| Language | English |
| Publishing date | 2021-09-10 |
| Publishing country | United States |
| Document type | Journal Article ; Observational Study |
| ISSN | 1932-6203 |
| ISSN (online) | 1932-6203 |
| DOI | 10.1371/journal.pone.0255854 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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