Abstract
Purpose
Treatment for lung cancer is still far from satisfying rates. Therefore, there is a need for novel anticancer agents. For this purpose, novel platinum and palladium complexes {[Pd(sac)(terpy)](sac)·4H2O (Complex 1), [Pt(sac)(terpy)](sac)·5H2O (Complex 2), [PdCl(terpy)](sac)·2H2O (Complex 3), [PtCl(terpy)](sac)·2H2O (Complex 4)} have been tested against three different non-small cell lung cancer cell lines (A549, H1299, PC-3).
Methods
Growth-inhibiting effects have been tested by the MTT and ATP viability assays. Apoptosis has been detected by the caspase-cleaved cytokeratin 18 (M30-antigen) assay. Necrosis has been detected by staining the cells with fluorescent dyes. Mitotic index has been calculated by counting the mitotic figures after staining with hematoxylin.
Results
The complex 3 exhibited significant anti-growth effects, and its anti-growth effect was more powerful than that of cisplatin that is a standard chemotherapeutic agent for this type of cancer. The complexes did not induce apoptosis, while necrosis clearly took place.
Conclusions
Novel Pd(II) complex ([PdCl(terpy)](sac)·2H2O) seems to represent a potentially active drug against non-small cell lung cancer cell lines, and further studies in vivo are warranted.
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We thank the Research Fund of Uludag University for providing us with the kits/chemicals.
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Ulukaya, E., Ari, F., Dimas, K. et al. Cell death-inducing effect of novel palladium(II) and platinum(II) complexes on non-small cell lung cancer cells in vitro. J Cancer Res Clin Oncol 137, 1425–1434 (2011). https://doi.org/10.1007/s00432-011-1021-1
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DOI: https://doi.org/10.1007/s00432-011-1021-1