In vitro growth inhibition of bloodstream forms of Trypanosoma brucei and Trypanosoma congolense by iron chelators
2006

Iron Chelators and Their Effect on Trypanosomes

publication Evidence: moderate

Author Information

Author(s): Merschjohann Karin, Steverding Dietmar

Primary Institution: Ruprecht-Karls-University, Heidelberg, Germany

Hypothesis

Can iron chelators inhibit the growth of Trypanosoma brucei and Trypanosoma congolense?

Conclusion

Iron chelators may serve as potential new treatments for African trypanosomiasis, although they currently lack the selectivity needed for clinical use.

Supporting Evidence

  • All but two iron chelators tested showed anti-trypanosomal activity.
  • The most effective chelators had IC50 values in the micromolar range.
  • Deferoxamine was one of the most effective chelators against both T. brucei and T. congolense.

Takeaway

This study looked at how certain chemicals that bind iron can stop the growth of harmful parasites that make people and animals sick. Some worked well, but they also hurt human cells.

Methodology

The study tested 13 iron chelators on the growth of Trypanosoma brucei and T. congolense in vitro, comparing their effects to human HL-60 cells.

Limitations

The iron chelators tested showed cytotoxicity towards human cells and had lower selectivity indices compared to existing drugs.

Digital Object Identifier (DOI)

10.1186/1475-9292-5-3

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