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- Title
Diagnostic values, association with disease activity and possible risk factors of anti-PAD4 in rheumatoid arthritis: a meta-analysis.
- Authors
Zhang, Guangyue; Xu, Jiayi; Du, Dongru; Liu, Yi; Dai, Lunzhi; Zhao, Yi
- Abstract
Objective Anti-peptidyl arginine deaminase 4 (anti-PAD4) antibody has been a subject of investigation in RA in the last two decades. This meta-analysis investigated the diagnostic values, association with disease activity and possible risk factors of anti-PAD4 antibody in rheumatoid arthritis. Method We searched studies from five databases up to 1 December 2022. Bivariate mixed-effect models were used to pool the diagnostic accuracy indexes, and the summary receiver operating characteristics (SROC) curve was plotted. The quality of diagnostic studies was assessed using QUADAS-2. Non-diagnostic meta-analyses were conducted using the random-effects model. Sensitivity analysis, meta-regression, subgroup analyses and Deeks' funnel plot asymmetry test were used to address heterogeneity. Result Finally, 24 journal articles and one letter were included. Anti-PAD4 antibody had a good diagnostic value between RA and healthy individuals, but it might be lower between RA and other rheumatic diseases. Moreover, anti-PAD4 could slightly enhance RA diagnostic sensitivity with a combination of ACPA or ACPA/RF. Anti-PAD4 antibody was positively correlated with HLA-SE and negatively correlated with ever or current smoking in patients with RA. RA patients with anti-PAD4 antibody had higher DAS28, ESR, swollen joint count (SJC) and the possibility of having interstitial lung disease (ILD) and pulmonary fibrosis compared with those without. Conclusion Our study suggests that anti-PAD4 antibody is a potentially useful diagnostic biomarker and clinical indicator for RA. Further mechanistic studies are required to understand the impact of HLA-SE and smoking on the production of anti-PAD4 antibody.
- Subjects
RHEUMATOID arthritis diagnosis; RHEUMATOID arthritis risk factors; PREDICTIVE tests; RISK assessment; RECEIVER operating characteristic curves; RESEARCH funding; DISEASE duration; AUTOANTIBODIES; SMOKING; SYMPTOMS; META-analysis; INTERSTITIAL lung diseases; DESCRIPTIVE statistics; SYSTEMATIC reviews; ODDS ratio; STATISTICS; RESEARCH methodology; QUALITY assurance; BIOMARKERS; SENSITIVITY &; specificity (Statistics); PULMONARY fibrosis
- Publication
Rheumatology, 2024, Vol 63, Issue 4, p914
- ISSN
1462-0324
- Publication type
Article
- DOI
10.1093/rheumatology/kead545