Anti-tumor and anti-virus activity of polysaccharides extracted from Sipunculus nudus(SNP) on Hepg2.2.15

Int J Biol Macromol. 2016 Jun:87:597-602. doi: 10.1016/j.ijbiomac.2016.03.022. Epub 2016 Mar 14.

Abstract

Many polysaccharides have biological activities and have been investigated for their antitumor effects. In this study, we investigated the anti-tumor activity and anti-virus activity of SNP-the water-soluble polysaccharides extracted from Sipunculus nudus on Hepg2.2.15. Flow cytometry analysis demonstrated that SNP induced dose-dependent cell apoptosis on Hepg2.2.15. Real-time PCR and Western Blot analysis showed that SNP down-regulated the synthesis of HBsAg, HBV-DNA and enhanced the expression of pro-apoptosis proteins TNF-α, caspase-3, and Bax, while decreasing the expression of the anti-apoptosis proteins survivin, Bcl-2, and VEGF. These results suggested that SNP suppressed cell viability of Hepg2.2.15 and that could be a novel anti-tumor and anti-HBV agent.

Keywords: Anti-tumor activity; Anti-virus activity; Polysaccharide; Sipunculus nudus.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Antineoplastic Agents / chemistry*
  • Antineoplastic Agents / isolation & purification
  • Antineoplastic Agents / pharmacology*
  • Antiviral Agents / chemistry*
  • Antiviral Agents / isolation & purification
  • Antiviral Agents / pharmacology*
  • Apoptosis / drug effects
  • Aquatic Organisms / chemistry*
  • Caspase 3 / metabolism
  • Cell Cycle Checkpoints / drug effects
  • DNA, Viral / genetics
  • Gene Expression Regulation, Viral / drug effects
  • Hep G2 Cells
  • Hepatitis B Surface Antigens / biosynthesis
  • Hepatitis B virus / drug effects
  • Hepatitis B virus / genetics
  • Hepatitis B virus / metabolism
  • Humans
  • Inhibitor of Apoptosis Proteins / metabolism
  • Polysaccharides / chemistry
  • Polysaccharides / isolation & purification
  • Polysaccharides / pharmacology*
  • Proto-Oncogene Proteins c-bcl-2 / metabolism
  • Survivin
  • Tumor Necrosis Factor-alpha / metabolism
  • Vascular Endothelial Growth Factor A / metabolism
  • bcl-2-Associated X Protein / metabolism

Substances

  • Antineoplastic Agents
  • Antiviral Agents
  • BIRC5 protein, human
  • DNA, Viral
  • Hepatitis B Surface Antigens
  • Inhibitor of Apoptosis Proteins
  • Polysaccharides
  • Proto-Oncogene Proteins c-bcl-2
  • Survivin
  • Tumor Necrosis Factor-alpha
  • Vascular Endothelial Growth Factor A
  • bcl-2-Associated X Protein
  • Caspase 3