PMID- 27273962 OWN - NLM STAT- MEDLINE DCOM- 20160701 LR - 20160609 IS - 1107-0625 (Print) IS - 1107-0625 (Linking) VI - 21 IP - 2 DP - 2016 Mar-Apr TI - Anticancer activity of two ruthenium(II)-DMSO-chalcone complexes: Comparison of cytotoxic, pro-apoptotic and antimetastatic potential. PG - 482-90 AB - PURPOSE: Recently, we reported the synthesis and characterization of two complexes of general formula cis-[Ru(S-DMSO)3(R-CO-CH=CH-R')Cl] (R = 2-hydroxyphenyl for both, R' = thiophene (1), 3-methyl thiophene (2)) that showed remarkable topoisomerase II inhibition and strong binding with DNA. The aim of this study was the investigation of cytotoxic properties of these complexes against a panel of human tumor cell lines, with elucidation of their anticancer mechanisms in HeLa cells. METHODS: Characterization of anticancer activity of the investigated ruthenium complexes 1 and 2 included analysis of cytotoxicity by MTT assay. Cell cycle phase disruption of HeLa cells treated with complexes 1 and 2 was analyzed by flow cytometry after propidium iodide (PI) staining. Annexin V-FITC/PI double staining and further flow cytometry analysis and acridine orange (AO)/ethidium bromide (EB) double staining and fluorescent microscopy were used to determine the apoptotic potential of the investigated ruthenium complexes. The inhibitory effect on gelatinases (MMP-2 and MMP-9) as an indication of possible antimetastatic potential was also analyzed using gelatine zymography. RESULTS: The 50% cell growth inhibition (IC50) values of the investigated complexes ranged between 22.9 and 76.8 muM, with complex 2 being more cytotoxic. Both complexes induced G2 phase cell cycle arrest and apoptosis in HeLa cells. Inhibitory effect of complex 2 on MMP-2 activity was detected. CONCLUSIONS: This work revealed the potential of the investigated Ru(II)-DMSO-chalcone complexes as anticancer agents with cytotoxic and pro-apoptotic activity and indicated complex 2 as leading compound for further chemical modifications and anticancer research. FAU - Jovanovic, Katarina K AU - Jovanovic KK AD - Laboratory for Experimental Pharmacology, Department of Experimental Oncology, Institute of Oncology and Radiology of Serbia, Pasterova 14, 11000 Belgrade, Serbia. FAU - Gligorijevic, Nevenka AU - Gligorijevic N FAU - Gaur, Ruchi AU - Gaur R FAU - Mishra, Lallan AU - Mishra L FAU - Radulovic, Sinisa AU - Radulovic S LA - eng PT - Comparative Study PT - Journal Article PT - Research Support, Non-U.S. Gov't PL - Cyprus TA - J BUON JT - Journal of B.U.ON. : official journal of the Balkan Union of Oncology JID - 100883428 RN - 0 (Chalcones) RN - 0 (Matrix Metalloproteinase Inhibitors) RN - 0 (Ruthenium Compounds) RN - 0 (Topoisomerase II Inhibitors) RN - EC 3.4.24.24 (MMP2 protein, human) RN - EC 3.4.24.24 (Matrix Metalloproteinase 2) RN - YOW8V9698H (Dimethyl Sulfoxide) SB - IM MH - Apoptosis/*drug effects MH - Cell Movement/*drug effects MH - Cell Proliferation/drug effects MH - Chalcones/chemical synthesis/*pharmacology MH - Dimethyl Sulfoxide/analogs & derivatives/chemical synthesis/*pharmacology MH - Dose-Response Relationship, Drug MH - G2 Phase Cell Cycle Checkpoints/drug effects MH - HeLa Cells MH - Humans MH - Matrix Metalloproteinase 2/metabolism MH - Matrix Metalloproteinase Inhibitors/pharmacology MH - Molecular Structure MH - Neoplasm Invasiveness MH - Neoplasms/*drug therapy/pathology MH - Ruthenium Compounds/chemical synthesis/*pharmacology MH - Structure-Activity Relationship MH - Time Factors MH - Topoisomerase II Inhibitors/chemical synthesis/*pharmacology EDAT- 2016/06/09 06:00 MHDA- 2016/07/02 06:00 CRDT- 2016/06/09 06:00 PHST- 2016/06/09 06:00 [entrez] PHST- 2016/06/09 06:00 [pubmed] PHST- 2016/07/02 06:00 [medline] PST - ppublish SO - J BUON. 2016 Mar-Apr;21(2):482-90.