Bisphosphonates inhibit the growth of Trypanosoma brucei, Trypanosoma cruzi, Leishmania donovani, Toxoplasma gondii, and Plasmodium falciparum: A potential route to chemotherapy

M. B. Martin, J. S. Grimley, J. C. Lewis, H. T. Heath, B. N. Bailey, H. Kendrick, V. Yardley, A. Caldera, R. Lira, J. A. Urbina, S. N.J. Moreno, R. Docampo, S. L. Croft, E. Oldfield

Research output: Contribution to journalArticlepeer-review

Abstract

We have investigated the effects in vitro of a series of bisphosphonates on the proliferation of Trypanosoma cruzi, Trypanosoma brucei rhodesiense, Leishmania donovani, Toxoplasma gondii, and Plasmodium falciparum. The results show that nitrogen-containing bisphosphonates of the type used in bone resorption therapy have significant activity against parasites, with the aromatic species having in some cases nanomolar or low-micromolar IC50 activity values against parasite replication (e.g. o-risedronate, I50 = 220 nM for T. brucei rhodesiense; risedronate, IC50 = 490 nM for T. gondii). In T. cruzi, the nitrogen-containing bisphosphonate risedronate is shown to inhibit sterol biosynthesis at a pre-squalene level, most likely by inhibiting farnesylpyrophosphate synthase. Bisphosphonates therefore appear to have potential in treating parasitic protozoan diseases.

Original languageEnglish (US)
Pages (from-to)909-916
Number of pages8
JournalJournal of Medicinal Chemistry
Volume44
Issue number6
DOIs
StatePublished - Mar 15 2001

ASJC Scopus subject areas

  • Molecular Medicine
  • Drug Discovery

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