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KMID : 0043319970200060586
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Archives of Pharmacal Research
1997 Volume.20 No. 6 p.586 ~ p.589
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In Vitro and in Vivo Antifungal Activities of 6-[(N-4-bromophenyl)amino]-7-chloro-5,8-quinolinediones
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Ryu Chung-Kyu
Kim Dong-Hyun
Kwon Sang-Mee
Jung Sung-Hee
Kim Sung-Hee
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Abstract
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Antifungal activities of 6-[(N-4-bromophenyl)amino]-7-chloro-5,8-quinolinedione (RCK7) were tested. The MIC values of RCK7 were determined for antifungal suceptibility, in vitro against Aspergillus niger, Cryptococcus neoformans and Trichophyton mentagrophyte by standard agar streak method. In vitro, RCK7 showed more potent antifungal activity than fluconazole and ketoconazole. Also, RCK7 was tested for in vivo antifungal activity in the treatment of systemic infection with Candida albicans in normal mice. The therapeutic potential of RCK7 had been assessed by evaluating their survival rate against systemic infections compared with that of ketoconazole. of intraperitoneally administered RCK7 ws but that of ketoconazole was , respectively. When RCK7 was administered intravenously at the (2.05 mg/kg). the colony counts of Candida albicans in the liver after 7 days and 14 days were reduced as likely as ketoconazole at the , and the better survival rates than ketoconazole’s were achieved after 14 days. The results suggest that RCK7 may be a potent antifungal agent.
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KEYWORD
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6-[(N-4-Bromophenyl)amino]-7-chloro-5, 8-quinolinedione, Minimum inhibitory concentration, Candida albicans, Candidiasis, In vivo antifungal activity
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