ZN(II)/AU(I) AND ZN(II)/AG(I) COMPLEXES WITH SALEN SCHIFF BASE EXPRESS PROMISING CYTOTOXIC ACTIVITY IN HUMAN CANCER CELLS
Journal Title: Asian Journal of Pharamceutical and Clinical Research - Year 2019, Vol 12, Issue 1
Abstract
Objective: The aim of our study was to evaluate the influence of two complexes of Zn(II)/Au(I) and Zn(II)/Ag(I) with Schiff base ligand (H2Salen) obtained from the condensation reaction between salicylaldehyde and ethylenediamine (abbreviated ZnSalenAu, ZnSalenAg) on viability and proliferation of cultured human cancer cells.Methods: The following cell lines were used as model systems: Human cervical carcinoma (cervical carcinoma), A549 (non-small cell lung cancer [NSCLC]), glioblastoma multiforme (8MGBA), and A431 (squamous cell carcinoma) and its multidrug-resistant (MDR) clones A431-MDR, A431-MRP, and A431-ABCG2 that express mdr1, mrp1, or abcg2 gene, respectively. The investigations were performed by thiazolyl blue tetrazolium bromide test, neutral red uptake cytotoxicity assay, crystal violet staining, hematoxylin and eosin staining, double staining with acridine orange, and propidium iodide in short-term experiments (12–72 h, with monolayer cell cultures) as well as colony-forming method in long-term experiments (25 days, with three dimensional cancer cell colonies).Results: The results obtained revealed that ZnSalenAu and ZnSalenAg decreased significantly viability and proliferation of the treated cells in a time- and concentration-dependent manner being more active as compared to the free ligand H2Salen.Conclusion: The present study demonstrates for the 1st time the ability of two heterometallic complexes ZnSalenAu and ZnSalenAg to decrease significantly viability and proliferation of cultured cell lines established from some of the most common and aggressive human cancers (NSCLC, carcinoma of uterine cancer, 8MGBA, and squamous cell carcinoma) as well as MDR cancer cells.
Authors and Affiliations
Tanya Zhivkova, Gabriela Marinescu, Lora Dyakova, Daniela Cristina Culita, Rossen Spasov, Pavel Mitrenga, Reni Kalfin, Luminita Patron, Radostina Alexandrova
Keywords
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- EP ID EP607182
- DOI 10.22159/ajpcr.2019.v12i1.28403
- Views 138
- Downloads 0
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