期刊
CHEMISTRY & BIODIVERSITY
卷 -, 期 -, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cbdv.202301066
关键词
Helicobacter pylori; chalcones; iNOS enzyme; gastric cancer; molecular docking
In this study, we synthesized and evaluated a series of 14 chalcones for their anti-H. pylori, NO inhibition, and cytotoxic effects. Compounds 3b and 3h showed good antibacterial activity and demonstrated structure-activity relationships. These compounds also inhibited the production of NO in LPS-stimulated macrophages and showed potential for interaction with the active site of the iNOS enzyme. Additionally, compounds 3b and 3h exhibited high selectivity towards AGS cell lines.
Helicobacter pylori colonizes the gastric epithelium of 50 % of world population and it is the main etiological agent of human chronic gastritis, peptic ulcer, and gastric cancer. In this study, we synthesized and characterized a series of 14 chalcones and evaluated their anti-H. pylori, NO inhibition (in vitro and in silico), and AGS cells cytotoxic effects. Compounds 3b and 3h showed MIC of 8 mu g/mL. We observed structure-activity relationships, mainly related to the influence of methoxy substituent at C-2 (3b) and the nitro group at C-4 (3h) in chalcone scaffold. The fourteen chalcones inhibited the NO production in LPS-stimulated macrophages and showed potential for interaction on the active site of the iNOS enzyme. Finally, 3b and 3h showed the highest selectivity to the AGS cell lines. Thus, ours results suggest 3b and 3h as potential candidates for design of new and effective agents against H. pylori and related diseases.
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