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Biochem Biophys Res Commun. 2013 May 3;434(2):322-7. doi: 10.1016/j.bbrc.2013.02.125. Epub 2013 Mar 26.

3-Bromopyruvate: a novel antifungal agent against the human pathogen Cryptococcus neoformans.

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1
Institute of Genetics and Microbiology, University of Wroclaw, Przybyszewskiego 63/77, 51-148 Wroclaw, Poland.

Abstract

We have investigated the antifungal activity of the pyruvic acid analogue: 3-bromopyruvate (3-BP). Growth inhibition by 3-BP of 110 strains of yeast-like and filamentous fungi was tested by standard spot tests or microdilution method. The human pathogen Cryptococcus neoformans exhibited a low Minimal Inhibitory Concentration (MIC) of 0.12-0.15 mM 3-BP. The high toxicity of 3-BP toward C. neoformans correlated with high intracellular accumulation of 3-BP and also with low levels of intracellular ATP and glutathione. Weak cytotoxicity towards mammalian cells and lack of resistance conferred by the PDR (Pleiotropic Drug Resistance) network in the yeast Saccharomyces cerevisiae, are other properties of 3-BP that makes it a novel promising anticryptococcal drug.

PMID:
23541578
DOI:
10.1016/j.bbrc.2013.02.125
[Indexed for MEDLINE]
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