Related Experiment Video
Updated: Apr 10, 2026
07:15
Robust Ligature-Induced Model of Murine Periodontitis for the Evaluation of Oral Neutrophils
Published on: January 21, 2020
12.5K
Proteomic Characterization of Grade II Furcation Defects: A Discovery-Phase Study
Georgios S Chatzopoulos1, Dimitra Sakellari1, Eleftherios G Kaklamanos1
1Department of Preventive Dentistry, Periodontology and Implant Biology, School of Dentistry, Aristotle University of Thessaloniki, Thessaloniki, Greece.
Journal of Periodontal Research
|April 9, 2026
Summary
Researchers identified a 34-protein signature in gingival crevicular fluid (GCF) that accurately detects severe periodontitis-related furcation defects. This finding highlights distinct inflammatory profiles and neutrophil activation in advanced gum disease.
Area of Science:
- Periodontology
- Proteomics
- Biomarker Discovery
Background:
- Periodontitis is a severe inflammatory disease affecting the gums and supporting bone.
- Furcation defects represent advanced periodontal destruction.
- Understanding the molecular profile of furcation defects is crucial for diagnosis and treatment.
Purpose of the Study:
- To analyze the gingival crevicular fluid (GCF) proteome in patients with Grade II furcation defects.
- To identify a protein signature that can differentiate furcation defects from healthy sites.
- To investigate the inflammatory and neutrophil activation profiles associated with furcation defects.
Main Methods:
- Proteomic analysis of GCF from 35 patients with Grade II furcation defects using the Olink Reveal platform.
- Comparison of protein expression between periodontitis-affected sites and non-periodontitis sites.
- Application of a machine-learning pipeline to prioritize differentially expressed proteins.
Main Results:
- Identified 227 differentially expressed proteins between furcation defects and healthy sites.
- Developed a 34-protein signature with high accuracy (AUC=0.887) in differentiating furcation defects.
- Key proteins identified include GLIPR1, MME, and IRAG2, indicating severe inflammation and neutrophil activation.
Conclusions:
- A distinct proteomic profile exists in the GCF of patients with Grade II furcation defects.
- The 34-protein signature serves as a potential diagnostic biomarker for furcation defects.
- The findings suggest a significant role of neutrophil activation in the pathogenesis of severe periodontitis.
