Antiviral Activities of Sulfated Polysaccharides Isolated from Sphaerococcus coronopifolius (Rhodophytha, Gigartinales) and Boergeseniella thuyoides (Rhodophyta, Ceramiales)
2011

Antiviral Properties of Polysaccharides from Red Algae

publication Evidence: moderate

Author Information

Author(s): Rhimou Bouhlal, Camille Haslin, Jean-Claude Chermann, Sylvia Colliec-Jouault, Corinne Sinquin, Gaelle Simon, Stephane Cerantola, Hassane Riadi, Nathalie Bourgougnon

Primary Institution: Laboratoire de Biotechnologie et Chimie Marines (LBCM), Université européenne de Bretagne

Hypothesis

Can sulfated polysaccharides from Sphaerococcus coronopifolius and Boergeseniella thuyoides inhibit the replication of HIV and HSV-1?

Conclusion

The study found that polysaccharides from both algae effectively inhibited the replication of HIV-1 and HSV-1 without affecting cell viability.

Supporting Evidence

  • Polysaccharides from S. coronopifolius inhibited HIV-1 replication at 12.5 μg/mL.
  • Polysaccharides from B. thuyoides inhibited HSV-1 replication with EC50 values of 4.1 and 17.2 μg/mL.
  • The study highlights the potential of marine sulfated polysaccharides as antiviral agents.

Takeaway

This study shows that certain seaweed extracts can help stop viruses like HIV and herpes from making more copies of themselves.

Methodology

Polysaccharides were extracted from two red algae and tested for their ability to inhibit HIV-1 and HSV-1 replication in vitro.

Limitations

The study primarily focused on in vitro results, which may not fully translate to in vivo effectiveness.

Digital Object Identifier (DOI)

10.3390/md9071187

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