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Article Publish Status: FREE
Abstract Title:

Fucoidan from Fucus vesiculosus suppresses hepatitis B virus replication by enhancing extracellular signal-regulated Kinase activation.

Abstract Source:

Virol J. 2017 09 16 ;14(1):178. Epub 2017 Sep 16. PMID: 28915824

Abstract Author(s):

Huifang Li, Junru Li, Yuan Tang, Lin Lin, Zhanglian Xie, Jia Zhou, Liyun Zhang, Xiaoyong Zhang, Xiaoshan Zhao, Zhengliang Chen, Daming Zuo

Article Affiliation:

Huifang Li

Abstract:

BACKGROUND: Hepatitis B virus (HBV) infection is a serious public health problem leading to cirrhosis and hepatocellular carcinoma. As the clinical utility of current therapies is limited, the development of new therapeutic approaches for the prevention and treatment of HBV infection is imperative. Fucoidan is a natural sulfated polysaccharide that extracted from different species of brown seaweed, which was reported to exhibit various bioactivities. However, it remains unclear whether fucoidan influences HBV replication or not.

METHODS: The HBV-infected mouse model was established by hydrodynamic injection of HBV replicative plasmid, and the mice were treated with saline or fucoidan respectively. Besides, we also tested the inhibitory effect of fucoidan against HBV infection in HBV-transfected cell lines.

RESULTS: The result showed that fucoidan from Fucus vesiculosus decreased serum HBV DNA, HBsAg and HBeAg levels and hepatic HBcAg expression in HBV-infected mice. Moreover, fucoidan treatment also suppressed intracellular HBcAg expression and the secretion of the HBV DNA as well as HBsAg and HBeAg in HBV-expressing cells. Furthermore, we proved that the inhibitory activity by fucoidan was due to the activation of the extracellular signal-regulated kinase (ERK) pathway and the subsequent production of type I interferon. Using specific inhibitor of ERK pathway abrogated the fucoidan-mediated inhibition of HBV replication.

CONCLUSION: This study highlights that fucoidan might be served as an alternative therapeutic approach for the treatment of HBV infection.

Study Type : In Vitro Study
Additional Links
Pharmacological Actions : Antiviral Agents : CK(1307) : AC(596)

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