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Isoprenoid biosynthesis of the apicoplast as drug target.

AbstractIn Plasmodium falciparum the biosynthesis of isoprenoids is achieved by the mevalonate-independent 1-deoxy-d-xylulose 5-phosphate (DOXP) pathway. The enzymes of the DOXP pathway are localised inside the plastid-like organelle (apicoplast). Fosmidomycin inhibits DOXP reductoisomerase, the second enzyme of this pathway. The antimalarial activity of fosmidomycin was established in vitro and in a rodent malaria model. Fosmidomycin alone or in combination with clindamycin was evaluated for the treatment of acute uncomplicated P. falciparum malaria in early phase II studies. Fosmidomycin monotherapy led to a fast parasite and fever clearance but was inefficient in radical elimination of the parasites. With the fosmidomycin-clindamycin combinations the cure ratio on day 28 was 100 % (10/10) with treatment durations of 5 and 4 days. The cure ratio was 90 % (9/10) with treatment duration of 3 days.
AuthorsJochen Wiesner, Hassan Jomaa (Affiliation: Universitätsklinikum Giessen und Marburg, Institut für Klinische Chemie und Pathobiochemie, Gaffkystrasse 11, 35392 Giessen, Germany.)
JournalCurrent drug targets (Curr Drug Targets) Vol. 8 Issue 1 Pg. 3-13 (Jan 2007) ISSN: 1873-5592 Netherlands
PMID17266527 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't, Review)
Chemical References
  • Terpenes
Topics
  • Animals
  • Drug Delivery Systems (methods)
  • Humans
  • Malaria, Falciparum (drug therapy)
  • Organelles (metabolism)
  • Plasmodium falciparum (drug effects, metabolism)
  • Terpenes (metabolism)