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)·4H(2)O (Complex 1), [Pt(sac)(terpy)](sac)·5H(2)O (Complex 2), [PdCl(terpy)](sac)·2H(2)O (Complex 3), [PtCl(terpy)](sac)·2H(2)O (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)·2H(2)O) seems to represent a potentially active drug against non-small cell lung cancer cell lines, and further studies in vivo are warranted.
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)·4H(2)O (Complex 1), [Pt(sac)(terpy)](sac)·5H(2)O (Complex 2), [PdCl(terpy)](sac)·2H(2)O (Complex 3), [PtCl(terpy)](sac)·2H(2)O (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)·2H(2)O) 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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