Biomarkers for differentiating diabetic periodontitis from chronic periodontitis: a systematic review and meta-analysis - Summary - DentalSpire

Biomarkers for differentiating diabetic periodontitis from chronic periodontitis: a systematic review and meta-analysis

  • By

  • Li Zhang

  • Ru Li

  • Shengnan Zhang

  • Wenhui Kong

  • Peipei Zhang

  • Wenyue Zhang

  • Jing Sun

  • June 10, 2026

  • 0 min

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Objective:

To identify discriminatory biomarkers between diabetic periodontitis (DMCP) and chronic periodontitis (CP) to provide an evidence-based foundation for improved clinical management.

Approach:
    Key Findings:
    • DMCP group had significantly higher levels of very low-density lipoprotein (VLDL) compared to CP (SMD: 0.91; 95%CI: 0.43 to 1.39; P<0.001).
    • Elevated levels of interleukin-8 (IL-8) (SMD: 0.38; 95%CI: 0.06 to 0.70; P=0.021) and high-sensitivity C-reactive protein (hs-CRP) (SMD: 2.56; 95%CI: 0.31 to 4.82; P=0.026) were found in the DMCP group.
    • Significant decreases in catalase (CAT) (SMD: -0.31; 95%CI: -0.58 to -0.05; P=0.021) and oxidized glutathione (GSSG) (SMD: -1.16; 95%CI: -1.76 to -0.55; P < 0.001) levels were observed in the DMCP group.
    • Higher levels of nitric oxide synthase (NOS) (SMD: 0.58; 95%CI: 0.11 to 1.05; P=.016) and 4-hydroxynonenal (4-HNE) (SMD: 7.05; 95%CI: 5.07 to 9.03; P < 0.001) were noted in the DMCP group.
    • Other biomarkers such as body mass index, eotaxin, glucose-dependent insulinotropic polypeptide, glucagon-like peptide-1, and plasminogen activator inhibitor-1 were significantly elevated in the DMCP group.
    Interpretation:

    Significant differences in biomarkers related to lipid metabolism, inflammatory response, and oxidative stress were observed between DMCP and CP.

    Limitations:
    • The study is limited to the available literature and may not encompass all potential biomarkers.
    • Variability in study designs and populations may affect the generalizability of the findings.
    Conclusion:

    Key indicators demonstrating robust differences include VLDL, 4-HNE, CAT, GSSG, NOS, IL-8, hs-CRP, and C-peptide.

    Sources:

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