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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Cell cycle perturbations of platinum derivatives on two ovarian cancer cell lines.

Cisplatin continues to be one of the most commonly used cytotoxic agent. Problems of drug resistance and nephrotoxicity have generated interest in new platinum derivatives. In this study, we used flow cytometry to study their effects on cell kinetics and to see if the extent of cell cycle perturbations can be used to determine relative potency. The following four platinum derivatives were tested: cisplatin, carboplatin, 254S, and NK121 on two human ovarian cancer cell lines: BG1 and CAOV3. Flow cytometric analysis revealed a dynamic spectrum of cell kinetic perturbations, which included sequential S-G2 block, concomitant S-G2 block, and a dominant S block with abolition of G2 block. Platinum derivatives NK121, 254S, and CARBO induced an average of 54.5 +/- 5.6, 21.2 +/- 5.5, and 2.5 +/- 2.8% more S-G2 blocks than cisplatin, respectively. When comparing the severity of S-G2 blocks and requiring a p-value of 0.05, the order of increasing potency was: cisplatin, carboplatin, 254S, and NK121.[1]

References

  1. Cell cycle perturbations of platinum derivatives on two ovarian cancer cell lines. Nguyen, H.N., Sevin, B.U., Averette, H.E., Perras, J., Ramos, R., Donato, D., Ochiai, K., Penalver, M. Cancer Invest. (1993) [Pubmed]
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