Abstract Title:

Hepatoprotective effect of a fucoidan extract from Sargassum fluitans Borgesen against CCl-induced toxicity in rats.

Abstract Source:

Int J Biol Macromol. 2019 Dec 24 ;145:500-509. Epub 2019 Dec 24. PMID: 31874267

Abstract Author(s):

Juan Chale-Dzul, Rebeca Pérez-Cabeza de Vaca, Carlos Quintal-Novelo, Leticia Olivera-Castillo, Rosa Moo-Puc

Article Affiliation:

Juan Chale-Dzul


The in vivo antifibrotic effect of a fucoidan extract (FE) from Sargassum fluitans Borgesen was evaluated in a carbon tetrachloride-induced liver damage model in rats over twelve weeks. Chemical analysis showed the FE to contain carbohydrates, sulfates, uronic acids, protein, phenols, and to have a molecular weight of ~60 kDa. Physiological, biochemical, histological and genetic assays were done. Daily oral administration of FE (50 mg/kg) reduced liver enzymatic activity, liver infiltration of inflammatory cells, collagen fiber deposition and gene expression cytokines such as interleukin beta 1 (IL-β1), tumor necrosis factor alpha (TNF-α), transforming growth factor beta 1 (TGF-β1), Smad-3, Smad-2, collagen 1 alpha 1 (col1α1) and tissue inhibitor of metalloproteinase 1 (TIMP-1). It also increased RNA expression of Smad-7 and metalloproteinase 2 and 9 (MMP2 and MMP9). The fucoidan extract exhibited an antifibrotic effect mediated by the inhibiting TGF-β1/Smad pathway, as well as anti-inflammatory effects.

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