Journal of periodontology · 2012
Therapeutic effects of alpha lipoic acid and vitamin C on alveolar bone resorption after experimental periodontitis in rats: a biochemical, histochemical, and stereologic study.
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Akman Sumeyra, Canakci Varol, Kara Adem, Tozoglu Ummuhan, Arabaci Taner, Dagsuyu Ilhan Metin
Аннотация
BACKGROUND: Alpha lipoic acid (ALA) and vitamin C (Vit-C) are very important and powerful antioxidants that have been used for the treatment of many diseases. The present study aims to investigate the role of ALA and Vit-C substances in the treatment of alveolar bone resorption in periodontal diseases.
METHODS: Thirty-six male Wistar albino rats were randomly divided into four groups as follows: 1) control rats; 2) rats with experimental periodontitis (PED); 3) rats with PED treated with ALA (ALA); and 4) rats with PED treated with ALA+Vit-C (ALA+Vit-C). PED was simulated by placing ligatures around the neck of teeth for 5 weeks. After ligature removal, the PED group was given a single intragastric dose of 1 mL saline, and the ALA and ALA+Vit-C groups were treated with an intragastric dose of 50 mg/kg ALA and ALA+Vit-C for 15 days, respectively. Levels of serum bone alkaline phosphatase (B-ALP) and myeloperoxidase (MPO) activity in gingival tissues were analyzed. To evaluate the osteoclast activation, expression of activated receptor activator nuclear factor-kappa B ligand (RANKL) and bone density index (BDI) were determined stereologically in the bone sections obtained from the mandibles of the rats.
RESULTS: The results showed statistically significant differences between the PED group and groups treated with antioxidant according to B-ALP, MPO, RANKL, and BDI values (P <0.05). ALA and ALA+Vit-C treatments showed beneficial effects on the mesial/distal periodontal bone support at the ligature-induced periodontitis tooth areas.
CONCLUSION: This study shows that ALA and Vit-C treatment provides therapeutic effects on inhibition of alveolar bone resorption and periodontal tissue destruction.
METHODS: Thirty-six male Wistar albino rats were randomly divided into four groups as follows: 1) control rats; 2) rats with experimental periodontitis (PED); 3) rats with PED treated with ALA (ALA); and 4) rats with PED treated with ALA+Vit-C (ALA+Vit-C). PED was simulated by placing ligatures around the neck of teeth for 5 weeks. After ligature removal, the PED group was given a single intragastric dose of 1 mL saline, and the ALA and ALA+Vit-C groups were treated with an intragastric dose of 50 mg/kg ALA and ALA+Vit-C for 15 days, respectively. Levels of serum bone alkaline phosphatase (B-ALP) and myeloperoxidase (MPO) activity in gingival tissues were analyzed. To evaluate the osteoclast activation, expression of activated receptor activator nuclear factor-kappa B ligand (RANKL) and bone density index (BDI) were determined stereologically in the bone sections obtained from the mandibles of the rats.
RESULTS: The results showed statistically significant differences between the PED group and groups treated with antioxidant according to B-ALP, MPO, RANKL, and BDI values (P <0.05). ALA and ALA+Vit-C treatments showed beneficial effects on the mesial/distal periodontal bone support at the ligature-induced periodontitis tooth areas.
CONCLUSION: This study shows that ALA and Vit-C treatment provides therapeutic effects on inhibition of alveolar bone resorption and periodontal tissue destruction.