Design, Synthesis and Biological Evaluation of Novel Inhibitors of Trypanosoma brucei Pteridine Reductase 1
2011

New Inhibitors for Trypanosoma brucei Pteridine Reductase 1

Sample size: 33 publication Evidence: moderate

Author Information

Author(s): Daniel Spinks, Han B Mpamhanga, Chidochangu P Shanks, Emma J Robinson, David A Collie, Iain T Read, Kevin D Frearson, Julie A Wyatt, Paul G Brenk, Ruth Fairlamb, Alan H Gilbert, Ian H Gilbert

Primary Institution: University of Dundee

Hypothesis

Can novel inhibitors of PTR1 effectively target Trypanosoma brucei?

Conclusion

The developed PTR1 inhibitors showed high selectivity but weak activity against the parasites.

Supporting Evidence

  • PTR1 is essential for the survival of Trypanosoma brucei.
  • The inhibitors were discovered through virtual screening.
  • Compounds showed high selectivity over human dihydrofolate reductase.
  • Despite potent enzyme inhibition, no significant activity against the parasites was observed.
  • Compounds had reasonable properties for cellular penetration.

Takeaway

Scientists created new drugs to fight a parasite that causes sleeping sickness, but these drugs didn't work well in tests.

Methodology

The study involved designing and testing a series of PTR1 inhibitors using structure-based drug design and medicinal chemistry.

Limitations

The inhibitors displayed weak activity against the parasites despite having potent enzyme inhibition.

Digital Object Identifier (DOI)

10.1002/cmdc.201000450

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