Swinholide J, a Potent Cytotoxin from the Marine Sponge Theonella swinhoei
2011

Swinholide J: A New Cytotoxin from Marine Sponge

publication Evidence: moderate

Author Information

Author(s): De Marino Simona, Festa Carmen, D’Auria Maria Valeria, Cresteil Thierry, Debitus Cecile, Zampella Angela

Primary Institution: Department of Chemistry of Natural Compounds, University of Naples, “Federico II”

Hypothesis

The study investigates the isolation and characterization of swinholide J from the marine sponge Theonella swinhoei and its cytotoxic properties.

Conclusion

Swinholide J is a new natural derivative of swinholide A with potent cytotoxic activity against cancer cells.

Supporting Evidence

  • Swinholide J displayed potent in vitro cytotoxicity against KB cells with an IC50 value of 6 nM.
  • The structure of swinholide J was determined using high-field NMR spectra and HRESIMS data.
  • Swinholide J is considered a new natural derivative of swinholide A arising from enzyme-mediated oxidation.

Takeaway

Researchers found a new substance called swinholide J in a sea sponge that can kill cancer cells really well.

Methodology

The study involved the extraction of compounds from the sponge, followed by structural determination using NMR and mass spectrometry.

Limitations

Swinholide J was isolated as a minor component, raising questions about its natural occurrence and potential artifact status.

Digital Object Identifier (DOI)

10.3390/md9061133

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