ArticleArthritis research & therapy2024
A non-invasive model for diagnosis of primary Sjogren's disease based on salivary biomarkers, serum autoantibodies, and Schirmer's test.
Article in Arthritis research & therapy, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Decreased salivary ZG16B expression is associated with exocrine dysfunction in Sjögren disease.Clinical rheumatology · 2026Article
- The Role of Vitamin C in Selected Autoimmune and Immune-Mediated Diseases: Exploring Potential Therapeutic Benefits.International journal of molecular sciences · 2025Review
- Development of Anti-Inflammatory Agents Utilizing DC-SIGN Mediated IL-10 Secretion in Autoimmune and Immune-Mediated Disorders: Bridging Veterinary and Human Health.International journal of molecular sciences · 2025Review
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19 authors.
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Abstract
backgroundMinor salivary gland (MSG) biopsy is a critical but invasive method for the classification of primary Sjögren's disease (pSjD). Here we aimed to identify salivary proteins as potential biomarkers and to establish a non-invasive prediction model for pSjD.
methodsLiquid chromatography-tandem mass spectrometry was conducted on whole saliva samples from patients with pSjD and non-Sjögren control subjects (non-pSjD). Proteins involved in immune processes were upregulated in the pSjD group, such as complement C3 (C3), complement factor B (CFB), clusterin (CLU), calreticulin (CALR), and neutrophil elastase (NE), which were further confirmed by ELISA. Multivariate logistic regression analyses were performed to identify markers that differentiated pSjD from non-pSjD; receiver operating characteristic (ROC) curves were constructed. A diagnostic model based on the combination of salivary biomarkers (CFB, CLU, and NE), serum autoantibodies (anti-SSA /Ro60 and anti-SSA/Ro52), and Schirmer's test was evaluated in 186 patients (derivation cohort) with replication in 72 patients (validation cohort).
resultsIn multivariate analyses, CFB, CLU, and NE were independent predictors of pSS. A model based on the combination of salivary biomarkers (CFB, CLU, and NE), serum autoantibodies (anti-SSA and anti-Ro52), and Schirmer's test achieved significant discrimination of pSS. In the derivation cohort, the area under curve (AUC) of the ROC was 0.930 (95% CI 0.877-0.965, P < 0.001), with a sensitivity and specificity of 84.85% and 92.45%, respectively. Notably, similar results were obtained in a validation cohort.
conclusionThe 6-biomarker panel could provide a novel non-invasive tool for the classification of pSjD.
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