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. 2022 Apr;28(3):786-795.
doi: 10.1111/odi.13803. Epub 2021 Feb 23.

Latex proteins from Plumeria pudica reduce ligature-induced periodontitis in rats

Lucas E S Oliveira  1 , Lucas A Moita  1 , Bruna S Souza  1 , Naylla M V Oliveira  1 , Ana C S Sales  1 , Mayck S Barbosa  1 , Francisca D S Silva  1 , Alan L C Farias  2 , Victor L R Lopes  2 , Luiz F C França  2 , Even H P Alves  2 , Cleverson D T Freitas  3 , Marcio V Ramos  3 , Daniel F P Vasconcelos  2 , Jefferson S Oliveira  1
Affiliations

Latex proteins from Plumeria pudica reduce ligature-induced periodontitis in rats

Lucas E S Oliveira et al. Oral Dis. 2022 Apr.

Abstract

Background: Previous studies have shown that latex proteins from Plumeria pudica (LPPp) have anti-inflammatory and antioxidant activity. Therefore, the aim of this study was to evaluate the effects in rats of LPPp on ligature-induced periodontitis, an inflammatory disease.

Methods: The animals were divided into groups: saline (animals without induction of periodontitis), periodontitis (induced periodontitis and untreated) and LPPp (induced periodontitis and treated with 40 mg/kg). The following parameters were evaluated after 20 consecutive days of treatment: gingival bleeding index (GBI), probing pocket depth (PPD), alveolar bone height (ABH) and gingival myeloperoxidase (MPO) activity. In the hepatic tissue, malondialdehyde (MDA), glutathione (GSH) and histopathological alterations were evaluated. Blood levels of alanine aminotransferase (ALT) and aspartate aminotransferase (AST) were measured.

Results: Significant reduction in GBI, PPD and gingival MPO activity and ABH was seen in animals treated with LPPp compared with periodontitis. Values of GSH, MDA, ALT and histopathological evaluation were preserved in animals treated with LPPp.

Conclusions: Treatment with LPPp improved clinical aspects of periodontitis, reduced the blood and hepatic alterations and prevented alveolar bone loss. Data suggest that LPPp have potential for treatment of periodontitis.

Keywords: anti-inflammatory agents; bone biology; oral medicine; periodontal medicine.

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