Sulfated polysaccharides from the marine algae Gracilaria caudata prevent tissue damage caused by ligature-induced periodontitis

Sulfated polysaccharides (PLS) extracted from the marine algae of the genus Gracilaria showed biological activity in different inflammatory models, except for periodontitis. Thus, this study aimed to evaluate the effectiveness of the treatment with PLS from Gracilaria caudata in ligature-induced per...

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Bibliographic Details
Published in:International journal of biological macromolecules 2019-07, Vol.132, p.1-8
Main Authors: da Silva, Felipe Rodolfo Pereira, e Silva Conceição Pinto, Moara, de Carvalho França, Luiz Felipe, Alves, Even Herlany Pereira, dos Santos Carvalho, Joaquina, Di Lenardo, David, Brito, Tarcísio Vieira, Medeiros, Jand-Venes Rolim, de Oliveira, Jefferson Soares, Freitas, Ana Lúcia Ponte, Barros, Francisco Clark Nogueira, dos Reis Barbosa, André Luiz, Vasconcelos, Daniel Fernando Pereira
Format: Article
Language:English
Subjects:
Carbohydrates
Inflammation
Periodontal disease
Periodontitis
Steatosis
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Summary:Sulfated polysaccharides (PLS) extracted from the marine algae of the genus Gracilaria showed biological activity in different inflammatory models, except for periodontitis. Thus, this study aimed to evaluate the effectiveness of the treatment with PLS from Gracilaria caudata in ligature-induced periodontitis. 40 animals distributed into 5 groups were used (the control group (unligated), the ligated untreated group, and the ligated groups treated with 2.5, 5.0 and 10.0 mg/kg of PLS with intraperitoneal injection, respectively). After 20 days of treatment, the animals were killed and the following parameters were evaluated: Gingival Bleeding Index (GBI), Probing Pocket Depth (PPD), Myeloperoxidase (MPO) activity, Alveolar Bone Loss (ABL) for periodontal tissues; histopathological examination of gingival and liver tissues (Steatosis score); glutathione and malondialdehyde concentrations in the liver, serum levels of alanine aminotransferase and aspartate aminotransferase. The data revealed that treatment with 2.5 mg/kg of PLS showed the best anti-inflammatory effects with reduction of GBI, PPD and MPO activity, as well as oxidative stress and steatosis in liver. Our results indicated that the adjunct treatment with PLS from Gracilaria caudata could prevent the periodontal and hepatic tissue alteration caused by periodontitis.
ISSN:0141-8130
1879-0003
DOI:10.1016/j.ijbiomac.2019.03.194