期刊
FEBS LETTERS
卷 582, 期 6, 页码 844-847出版社
WILEY
DOI: 10.1016/j.febslet.2008.02.028
关键词
gold drugs; malaria; thioredoxin reductase; Plasmodium falciparum
The clinically established gold-based antiarthritic drug auranofin (AF) manifests a pronounced reactivity toward thiol and selenol groups of proteins. In particular, AF behaves as a potent inhibitor of mammalian thioredoxin reductases causing severe intracellular oxidative stress. Given the high sensitivity of Plasmodium falciparum to oxidative stress, we thought that auranofin might act as an effective antimalarial agent. Thus, we report here new experimental results showing that auranofin and a few related gold complexes strongly inhibit P. falciparum growth in vitro. The observed antiplasmodial effects probably arise from direct inhibition of P. falciparum thioredoxin reductase. The above findings and the safe toxicity profile of auranofin warrant rapid evaluation of AF for malaria treatment in animal models. (C) 2008 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
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