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Bead Based Multiplex Assay for Analysis of Tear Cytokine Profiles
Published on: October 13, 2017
Profiling biomarkers in gingival crevicular fluid using multiplex bead immunoassay
Yasuko Shimada1, Koichi Tabeta, Noriko Sugita
1Division of Periodontology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan. shimada@dent.niigata-u.ac.jp
Archives of Oral Biology
|February 12, 2013
Summary
Interleukin-1 beta (IL-1β) in gingival crevicular fluid (GCF) is a key biomarker for periodontal disease, correlating with pocket depth, bleeding, and Porphyromonas gingivalis presence. Multiplex assays offer a promising diagnostic approach.
Area of Science:
- Periodontology
- Biomarker Discovery
- Oral Microbiology
Background:
- Gingival crevicular fluid (GCF) contains potential biomarkers for periodontal disease.
- Previous measurements were limited by small sample volumes.
- Identifying reliable biomarkers is crucial for diagnosing and managing periodontal conditions.
Purpose of the Study:
- To determine the levels of 40 cytokines and chemokines in GCF samples.
- To investigate the correlation of these biomarkers with clinical parameters and bacterial presence.
- To evaluate the utility of multiplex bead assays for GCF analysis.
Main Methods:
- Eleven patients with chronic periodontitis were enrolled.
- GCF samples were collected from healthy and diseased sites.
- A multiplex bead immunoassay was used to quantify 40 biomarkers.
- Real-time PCR quantified Porphyromonas gingivalis.
Main Results:
- Twenty-six biomarkers were detected in GCF.
- Interleukin-1 beta (IL-1β) and Interferon-inducible protein (IP)-10 levels were significantly higher in bleeding-positive sites.
- IL-1β levels strongly correlated with probing depths and Porphyromonas gingivalis presence.
Conclusions:
- IL-1β in GCF is a significant biomarker for periodontal disease activity.
- Multiplex bead assays are effective for analyzing GCF biomarkers.
- These findings support the development of new diagnostic tools for periodontal disease.

