Turkish Journal of Chemistry




In this study, novel 2-substituted benzimidazoles molecules having triazole, thiadiazole, and oxadiazole rings were synthesized and were evaluated by anticancer, antioxidant/oxidant status, genotoxicity, and antiangiogenesis assays. Anticancer activity of the compounds was determined by MTT (0.5, 5, and 50 $\mu $g/mL) and lactate dehydrogenase (LDH) release assays against human prostate and breast cancer cells. Oxidative status of cells was elicited by total oxidative stress and total antioxidant capacity methods. Chick chorioallantoic membrane assay was used to evaluate the antiangiogenic activity. Genotoxicity was evaluated by the sister chromatid exchange (SCE) and micronucleus (MN) tests in lymphocyte cultured human blood. Our results showed that some of the compounds synthesized had significant antiproliferative activity against both cancer cell lines (between 4.54 $\pm $ 0.35 and 20.17 $\pm $ 3.15 $\mu $g/mL), with higher inhibition of the breast cancer, and caused inhibition of LDH release with a linear correlation to MTT results. Moreover, the 5 $\mu $g/mL dose of these molecules led to an increase in antioxidant levels. Compounds had antiangiogenic effectiveness in a dose-dependent manner. Additionally, all of the compounds did not affect SCE and MN levels compared to controls. In conclusion, these newly synthesized molecules can be a resource of new anticancer agents with their nongenotoxic, antiproliferative, and antiangiogenic properties.

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