Journal
INTERNATIONAL IMMUNOPHARMACOLOGY
Volume 96, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.intimp.2021.107554
Keywords
Anti-fibrosis; Antioxidant; Ganoderma applanatum residue; Hepatotoxicity; Sulfated-polysaccharides
Categories
Funding
- Mushroom Technology System of Shandong Province [SDAIT-07-05]
- Shandong Key Research and Development Program [2019GSF107208]
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This study demonstrates the hepatoprotective effects of sulfated Ganoderma applanatum residue polysaccharides (SGRP) on chronic liver injury induced by CCl4, showing reduction in histopathological damages, improvement in liver function, decrease in inflammation, and antioxidant properties. Structural studies reveal SGRP as a heteropolysaccharide with high sulfur content. Our findings suggest SGRP as a potential candidate for anti-fibrosis treatment in pharmaceutical industries or as a food supplement.
Natural polysaccharides and their derivatives have attracted academic attention due to their extensive physiological activities. However, the hepatoprotective effects against carbon tetrachloride (CCl4) toxicity have not been well elucidated. The objectives of this study were to characterize the structural properties of sulfated Ganoderma applanatum residue polysaccharides (SGRP) and to evaluate their inhibitory effects on liver fibrosis caused by oxidative stress and inflammation. Our in vivo study showed that SGRP was hepatoprotective in CCl4induced chronic liver injury mice. It reduced the histopathological damages, down-regulated CYP2E1 (cytochrome P450 2E1) expression, reduced serum aspartate aminotransferase (AST) and alanine aminotransferase (ALT) levels, improved the anti-oxidative and anti-inflammatory properties, inhibited TLR4/NF-kappa B signaling pathway, and reduced the release of inflammatory cytokines. The structural studies indicated that SGRP is a heteropolysaccharide with 7.8% sulfur content and alpha-linked residue. Our study projects SGRP as a potential candidate in anti-fibrosis treatment by using it as a food supplement or in medicines produced by pharmaceutical industries.
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