Biological and Pharmaceutical Bulletin
Online ISSN : 1347-5215
Print ISSN : 0918-6158
ISSN-L : 0918-6158
Regular Articles
Effects of Antifungal Drugs on Proliferation Signals in Candida albicans
Mitsuo MatsukiHatsuki KanatsuToshihiko WatanabeAyako OgasawaraTakeshi MikamiTatsuji Matsumoto
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2006 Volume 29 Issue 5 Pages 919-922


The sensitivity of Candida albicans to antifungal drugs when cultured under aerobic and anaerobic conditions was measured. Ciclopirox olamine and siccanin were more effective under aerobic than under anaerobic conditions. Terbinafine, neticonazole and amphotericin B showed the same antifungal activity under both aerobic and anaerobic conditions. None of these antifungal activities were affected by the pH conditions. Terbinafine inhibited the elongation of hyphae, while neticonazole and amphotericin B induced proliferation of the yeast form. The expression of RAS1, EFG1 and CPH1 mRNAs was inhibited by these drugs. These results suggested that the inhibition of hyphal formation might be caused by disruption of the RAS1-signal pathway.

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© 2006 The Pharmaceutical Society of Japan
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