Journal
LETTERS IN DRUG DESIGN & DISCOVERY
Volume 14, Issue 9, Pages 1042-1047Publisher
BENTHAM SCIENCE PUBL LTD
DOI: 10.2174/1570180814666170106143418
Keywords
4-thiazolidinones; 1,3-benzodioxol; candida albicans; candida parapsilosis; rhodotorula mucilaginosa; astrocytes
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Funding
- UFPel
- CAPES
- FAPERGS
- CNPq
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Background: This study evaluated the biological properties of twelve 1,3-thiazolidin-4ones by assessing antifungal and antibacterial activities. Methods: All compounds were tested against three fungi and two bacteria. The lowest concentration that produced a >= 50% inhibition of the growth of yeast in comparison with positive control was identified as MIC50. Compound 1b showed the best antifungal result against Candida albicans with MIC50 100 mu g/ml (52.38% of growth inhibition). In the antifungal Rhodotorula assay, two compounds showed good antifungal activity with MIC50 100 mu g/ml (1f: 82.91% and 1i: 61.91%). For C. parapsilosis compound 1i has MIC50 200 mu g/ml. Results and Conclusion: No antibacterial activity was found for Staphylococcus aureus and Escherichia coli at the highest concentration tested (400 mu g/ml). The cytotoxicity study for three compounds was carried out against primary astrocyte cells and no toxic effect was found at 400 mu M. This study discovered at least two potential compounds that will guide further chemical modification to search for better results.
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