Antituberculotic and Antiprotozoal Activities of Primin, a Natural Benzoquinone:In vitro andin vivo Studies

Tasdemir, D., Brun, R., Yardley, V., Franzblau, S.G. and Rüedi, P. (2006) Antituberculotic and Antiprotozoal Activities of Primin, a Natural Benzoquinone:In vitro andin vivo Studies. Chemistry and Biodiversity, 3 (11). pp. 1230-1237. 10.1002/cbdv.200690124.

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DOI: 10.1002/cbdv.200690124

Abstract

Primin (=2-methoxy-6-pentylcyclohexa-2,5-diene-1,4-dione), a natural benzoquinone synthesized in our laboratory, was investigated for its in vitro antiprotozoal, antimycobacterial, and cytotoxic potential. Primin showed very potent activity against Trypanosoma brucei rhodesiense (IC50 0.144 microM) and Leishmania donovani (IC50 0.711 microM), and revealed low cytotoxicity (IC50 15.4 microM) on mammalian cells. Only moderate inhibitory activity was observed against Mycobacterium tuberculosis, Trypanosoma cruzi, and Plasmodium falciparum. When tested for in vivo efficacy in a Trypanosoma b. brucei rodent model, primin failed to cure the infection at 20 mg/kg given intraperitoneally. Primin was too toxic in vivo at a higher concentration (30 mg/kg, injected i.p. route) in mice infected with L. donovani. Taken together, primin can serve as a lead compound for the rational design of more potent and less toxic antiprotozoal agents.

Item Type:Article
Uncontrolled Keywords:Primin;Benzoquinone;Plasmodium sp.;Trypanosoma sp.;Leishmania;Mycobacterium;Antituberculotic activity;Antiprotozoal activity
Departments, units and centres:Department of Pharmaceutical and Biological Chemistry > Department of Pharmaceutical and Biological Chemistry
ID Code:2595
Journal or Publication Title:Chemistry and Biodiversity
Deposited By:Library Staff
Deposited On:02 Dec 2011 08:56
Last Modified:02 Dec 2011 08:56

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