Biomarker panels may distinguish between periodontal health and disease states: study
Biomarker panels containing four proteins with and without age as a further parameter can distinguish between periodontal health and disease states according to a recent study published in the Journal of Clinical Periodontology
A study was conducted to discover and validate differential protein biomarker expression in saliva and gingival crevicular fluid (GCF) to discriminate objectively between periodontal health and plaque-induced periodontal disease states.
One-hundred and ninety participants were recruited from two centres (Birmingham and Newcastle upon Tyne, UK) comprising healthy, gingivitis, periodontitis, and edentulous donors. Samples from the Birmingham cohort were analysed by quantitative mass spectrometry proteomics for biomarker discovery. Shortlisted candidate proteins were then verified by enzyme-linked immunosorbent assay in both cohorts. Leave-one-out cross validation logistic regression analysis was used to identify the best performing biomarker panels.
Results of the study are:
- Ninety-five proteins were identified in both GCF and saliva samples, and 15 candidate proteins were selected based upon differences discovered between the donor groups.
- The best performing panels to distinguish between: health or gingivitis and periodontitis contained matrix metalloproteinase-9 (MMP9), S100A8, alpha-1-acid glycoprotein (A1AGP), pyruvate kinase, and age (area under the curve [AUC] 0.970); health and gingivitis contained MMP9, S100A8, A1AGP, and pyruvate kinase, but not age (AUC 0.768); and mild to moderate and advanced periodontitis contained MMP9, S100A8, A1AGP, pyruvate kinase, and age (AUC 0.789).
Thus, biomarker panels containing four proteins with and without age as a further parameter can distinguish between periodontal health and disease states.
Reference:
Grant, M. M., Taylor, J. J., Jaedicke, K., Creese, A., Gowland, C., Burke, B., Doudin, K., Patel, U., Weston, P., Milward, M., Bissett, S. M., Cooper, H. J., Kooijman, G., Rmaile, A., de Jager, M., Preshaw, P. M., & Chapple, I. L. C. (2022). Discovery, validation, and diagnostic ability of multiple protein-based biomarkers in saliva and gingival crevicular fluid to distinguish between health and periodontal diseases. Journal of Clinical Periodontology, 49( 7), 622– 632. https://doi.org/10.1111/jcpe.13630
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