RETRACTED: Proton-pumping-ATPase-targeted antifungal activity of cinnamaldehyde based sulfonyl tetrazoles (Retracted article. See vol. 57, pg. 483, 2012)

被引:5
作者
Shreaz, Sheikh [1 ]
Wani, Mohmmad Younus [2 ]
Ahmad, Sheikh Rayees [4 ]
Ahmad, Sheikh Imran [3 ]
Bhatia, Rimple [1 ]
Athar, Fareeda [2 ]
Nikhat, Manzoor [1 ]
Khan, Luqman A. [1 ]
机构
[1] Jamia Millia Islamia, Enzyme Kinet Lab, Dept Biosci, New Delhi 110025, India
[2] Jamia Millia Islamia, Ctr Interdisciplinary Res Basic Sci, New Delhi 110025, India
[3] Jamia Millia Islamia, Dept Appl Sci & Humanities, New Delhi 110025, India
[4] Indian Inst Technol, Dept Chem, New Delhi 110016, India
关键词
Antifungal activity; Candida; Cinnamaldehyde; Tetrazole; Plasma membrane H+-ATPase; MEDIATED FUNGICIDAL ACTIVITY; CANDIDA-ALBICANS; RESISTANCE; SUSCEPTIBILITY; ECHINOCANDIN; MICROSCOPY;
D O I
10.1016/j.ejmech.2011.12.007
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
Azoles are generally fungistatic, and resistance to fluconazole is emerging in several fungal pathogens. We designed a series of cinnamaldehyde based sulfonyl tetrazole derivatives. To further explore the antifungal activity, in vitro studies were conducted against 60 clinical isolates and 6 standard laboratory strains of Candida. The rapid irreversible action of these compounds on fungal cells suggested a membrane-located target for their action. Results obtained indicate plasma membrane H+-ATPase as site of action of the synthesized compounds. Inhibition of H+-ATPase leads to intracellular acidification and cell death. Presence of chloro and nitro groups on the sulfonyl pendant has been demonstrated to be a key structural element of antifungal potency. SEM micrographs of treated Candida cells showed severe cell breakage and alterations in morphology. (C) 2011 Elsevier Masson SAS. All rights reserved.
引用
收藏
页码:363 / 370
页数:8
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