Abstract Title:

Comparison between efficacy of allicin and fluconazole against Candida albicans in vitro and in a systemic candidiasis mouse model.

Abstract Source:

FEMS Microbiol Lett. 2011 Feb;315(2):87-93. Epub 2011 Jan 10. PMID: 21204918

Abstract Author(s):

Alireza Khodavandi, Fahimeh Alizadeh, Nabil S Harmal, Shiran M Sidik, Fauziah Othman, Zamberi Sekawi, Mohammad Ali Farboodniay Jahromi, Kee-Peng Ng, Pei Pei Chong

Article Affiliation:

Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Selangor, Malaysia.

Abstract:

The efficacy of allicin compared with fluconazole in alleviating systemic Candida albicans infections was evaluated both in vitro and in vivo through a systemic candidiasis mouse model. Determination of in vitro minimum inhibitory concentrations (MICs) for different C. albicans isolates revealed that both allicin and fluconazole showed different MICs that ranged from 0.05 to 12.5μg mL(-1) and 0.25 to 16 μg mL(-1) , respectively. A time-kill study showed a significant effect of allicin (P<0.01) against C. albicans, comparable to that of fluconazole. Scanning electron microscopy observation revealed that, similar to fluconazole, allicin produced structural destruction of C. albicans cell surface at low MIC and lysis or puncture at high MIC concentrations. Treatment of BALB/c mice systemically infected with C. albicans showed that although the allicin treatment (at 5 mg kg(-1) day(-1) ) was slightly less efficacious than fluconazole treatment in terms of the fungal load reduction and host survival time, it was still effective against C. albicans in terms of mean survival time, which increased from 8.4 to 15.8 days. These results demonstrate the efficacy of anticandidal effects of allicin both in vitro and in an animal model of candidiasis and affirm the potential of allicin as an adjuvant therapy to fluconazole.

Study Type : In Vitro Study
Additional Links
Pharmacological Actions : Antifungal Agents : CK(494) : AC(397)
Additional Keywords : Drug Synergy : CK(387) : AC(172)

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