PMID: 30814078Mar 1, 2019Paper

Serum 14-3-3η Could Improve the Diagnostic Rate of Rheumatoid Arthritis and Correlates to Disease Activity

Annals of Clinical and Laboratory Science
Shi-Zhen GuanHui-Qiang Li

Abstract

Serum 14-3-3η is a novel joint-derived proinflammatory mediator associated with rheumatoid arthritis (RA). This study aimed to evaluate the diagnostic capacity of serum 14-3-3η and its correlation with clinical variables in patients with RA. A total of 94 patients with RA and 80 age- and sex-matched controls, including 40 healthy subjects, were included. Serum 14-3-3η levels were assessed by quantitative enzyme-linked immunosorbent assay. Receiver-operating characteristic (ROC) curves analysis was used to determine the sensitivity and specificity of 14-3-3η. Spearman's rank correlation coefficient was used to assess the relationship between 14-3-3η and other clinical measures in patients with RA. Median (interquartile range) of serum 14-3-3η concentration (ng/ml) in RA patients (2.34 [1.56-3.39]) was significantly higher than that in healthy subjects (0.17[0.11-0.30]) and disease controls (1.66[1.21-2.74]; P<0.05). ROC curve analysis comparing patients with RA with all controls demonstrated a significant (P<0.001) area under the curve (AUC) of 0.81 (95% confidence interval: 0.74-0.88). At a cutoff of 1.44 ng/mL, the ROC curve yielded a sensitivity of 78.7% and specificity of 73.8%. The sensitivity of anti-citrullinated protein ...Continue Reading

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