Journal
CARBOHYDRATE POLYMERS
Volume 86, Issue 3, Pages 1207-1215Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2011.06.016
Keywords
Seaweed; Sulfated polysaccharides; Solieria filiformis; Nociception; Inflammation
Categories
Funding
- Conselho Nacional de Desenvolvimento Cientifico e tecnologico (CNPq)
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES)
- Fundacao Cearense de Apoio ao Desenvolvimento Cientifico e Tecnologico (FUNCAP)
- Programa Rede Nordeste de Biotecnologia (RENORBIO)
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This work reports the effects of a sulfated polysaccharide (SP-Sf), isolated from the seaweed Solieria filiformis and characterized by Fourier transformed infrared (FT-IR), on nociception and inflammation. Male Swiss mice were pretreated with SP-Sf 30 min before receiving an injection of 0.8% acetic acid, 1% formalin or 30 min prior to a thermal stimulus. We observed that SP-Sf (1, 3 or 9 mg/kg) significantly reduced the number of writhes. SP-Sf also reduced the second phase of the formalin test and did not cause a significant antinociceptive effect in the hot plate test, suggesting that its anti nociceptive action occurs through a peripheral mechanism. SP-Sf (1, 3 or 9 mg/kg) did not show a significant anti-inflammatory effect in Wistar rats when administrated by the systemic route 111 before testing using carrageenan or dextran. Finally, SP-Sf (9 mg/kg) did not show significant signs of toxicity when administrated in mice. (C) 2011 Elsevier Ltd. All rights reserved.
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