Cytotoxicity and DNA interactions of some platinum(II) complexes with substituted benzimidazole ligands
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Tarih
2012Yazar
Ozcelik, Azime BernaUtku, Semra
Gumus, Fatma
Keskin, Ayten Celebi
Acik, Leyla
Yilmaz, Sukran
Ozgungor, Adeviye
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In the present study, four Pt(II) complexes with 2-ethyl (1)/or benzyl (2)/or p-chlorobenzyl (3)/or 2-phenoxymethyl (4) benzimidazole carrier ligands were evaluated for their in vitro cytotoxic activities against the human HeLa cervix, oestrogen receptor-positive MCF-7 breast, and oestrogen receptor-negative MDA-MB 231 breast cancer cell lines. The plasmid DNA interactions and inhibition of the BamHI restriction enzyme activities of the complexes were also studied. Complex 3 was found to be more active than carboplatin for all examined cell lines and comparable with cisplatin, except for the HeLa cell line.