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   in vitro antifungal activities of euphorbia macroclada and fluconazole against pathogenic candida species  
   
نویسنده mahmoudi s. ,roustaei m. ,zaini f. ,kordbacheh p. ,safara m.
منبع current medical mycology - 2015 - دوره : 1 - شماره : 2 - صفحه:7 -12
فایل تمام متن
چکیده    background and purpose: candida species constitute an important group of opportunistic fungi, which cause various clinical diseases. considering the resistance of some candida species to conventional antifungal agents, treatment of such cases may be challenging and complicated. the purpose of this study was to evaluate and compare the antifungal activities of euphorbia macroclada latex and fluconazole against different candida species.materials and methods: a total of 150 candida isolates including c. albicans (n=77), c. glabrata (n=28), c. parapsilosis (n=23), c. tropicalis (n=15), c. krusei (n=4), c. famata (n=1), c. kefyr (n=1) and c. inconspicua (n=1) were included in this study. in vitro antifungal activities of euphorbia macroclada latex and fluconazole against these candida species were evaluated, according to m27a2 protocol on broth macrodilution method by the clinical and laboratory standards institute (clsi). results: among 150 candida isolates, 98 isolates (65.33%), i.e., c. albicans (n=41), c. glabrata (n=23), c. tropicalis (n=12) and c. parapsilosis (n=22) with minimal inhibitory concentration (mic) ≤ 8 μg/ml were susceptible to fluconazole. resistance to fluconazole was noted in 15 isolates, i.e., c. albicans (n=10), c. glabrata (n=2), c. krusei (n=1), c. kefyr (n=1), and c. inconspicua (n=1), with mics of 64 µg/ml. the remaining isolates (n=37) including c. albicans (n=26), c. glabrata (n=3), c. tropicalis (n=3), c. parapsilosis (n=1), c. krusei (n=3) and c. famata (n=1) with mic= 1632 µg/ml showed dosedependent susceptibility. the latex of euphorbia macroclada was able to inhibit the growth of 30 out of 150 tested candida isolates with mic range of 128512 µg/ml. these isolates were as follows: c. albicans (n=2), c. glabrata (n=4), c. parapsilosis (n=19), c. krusei (n=2) and c. tropicalis (n=3). compared to other isolates, higher mic values were noted for c. albicans and c. glabrata (512 µg/ml), respectively.conclusion: the latex of euphorbia macroclada showed notable antifungal activities against some pathogenic candida species. therefore, it can be potentially used as an alternative antifungal agent in future. however, further research is required to identify its active components.
کلیدواژه antifungal agents ,candida ,euphorbia ,fluconazole
آدرس tehran university of medical sciences tums, tehran university of medical sciences tums, tehran university of medical sciences tums, tehran university of medical sciences tums, tehran university of medical sciences tums
 
 

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