Effect of resveratrol on the antioxidant enzyme pathway and alveolar bone loss in experimental periodontitis

Authors

  • Yasemin Sezgin Department of Periodontology, Faculty of Dentistry, Baskent University, Ankara, Turkey; Department of Dental Hygiene, College of Health Sciences, University of Doha for Science and Technology, Doha, Qatar
  • Mehtap Bilgin Çetin Department of Periodontology, Faculty of Dentistry, Baskent University, Ankara, Turkey
  • Yunus Kasim Terzi Department of Medical Genetics, Faculty of Medicine, Baskent University, Ankara, Turkey
  • Özlem Darcansoy İşeri Department of Molecular Biology and Genetics, Faculty of Science and Letters, Baskent University, Ankara, Turkey
  • Hilal Erinanç Department of Pathology, Faculty of Medicine, Baskent University, Konya, Turkey
  • Feride İffet Şahin Department of Medical Genetics, Faculty of Medicine, Baskent University, Ankara, Turkey
  • Batuhan Bakırarar Process Management Coordinator/Biostatistician, ADO Group, Antalya, Turkey
  • İdil Özerkliğ Department of Periodontology, Faculty of Dentistry, Baskent University, Ankara, Turkey
  • Şule Bulut Department of Periodontology, Faculty of Dentistry, Baskent University, Ankara, Turkey
  • Nilgün Özlem Alptekin Department of Periodontology, Faculty of Dentistry, Baskent University, Ankara, Turkey

DOI:

https://doi.org/10.2340/aos.v84.44956

Keywords:

Animal model, antioxidant enzymes, oxidative stress, periodontitis, resveratrol

Abstract

Objective: The purpose of this study was to investigate the effect of resveratrol in a rat model of experimental periodontitis by assessing alveolar bone loss along with catalase and glutathione peroxidase mRNA expression and enzymatic activity in gingival tissue.

Material and methods: Experimental periodontitis was induced in 34 male Sprague-Dawley rats by placing silk ligatures bilaterally around mandibular first molars. Then the animals were randomly divided into two groups: placebo (n = 17) and resveratrol (n = 17). The placebo group received a placebo solution, while the resveratrol group received 10 mg/kg resveratrol daily via oral gavage for 30 days. Alveolar bone loss was measured on microscopic photographs of stained tissue sections. Gingival enzyme activity levels were determined by enzyme-specific reactions and mRNA levels were assessed using semiquantitative real-time polymerase chain reaction (PCR).

Results: Systemic resveratrol administration significantly reduced alveolar bone loss (440.87 ± 142.24 μm) compared to the placebo group (897.06 ± 383.59 μm) (p < 0.001). Catalase and glutathione peroxidase activities were also significantly higher in the resveratrol group (p < 0.001).

Conclusions: Resveratrol appears to be effective in reducing alveolar bone loss in experimental periodontitis, potentially through its antioxidant properties. These findings suggest that resveratrol may offer clinical benefit as an adjunct to periodontal therapy.

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References

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Published

2025-12-15