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

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Comparison of U-73,975 and cisplatin cytotoxicity in fresh cervical and ovarian carcinoma specimens with the ATP-chemosensitivity assay.

U-73,975 (U-73), a closely related synthetic analogue of the antitumor agent CC-1065, acts by binding tightly in the minor groove of DNA. A comparison was made between the cytotoxicity of U-73 and cisplatin ( DDP) on 11 fresh cervical and 7 fresh ovarian carcinoma specimens. The ATP-chemosensitivity assay as previously described (Sevin et al. Gynecol. Oncol. 31, 191-204, 1988) was used to determine the cytotoxic effect of U-73 and DDP. IC 50s were calculated using regression analysis. The mean IC 50s for U-73 and DDP were 519 pg/ml and 2918 ng/ml, respectively, for the cervical carcinoma specimens and 324 pg/ml and 2649 ng/ml, respectively, for the ovarian carcinoma specimens. Significance comparing U-73 and DDP for cervical and ovarian tissue was demonstrated with P < 0.001. U-73 was 4000 times as cytotoxic per unit of mass as DDP on cervical carcinoma compared to over 8000 times for ovarian carcinoma. Based on these in vitro data, U-73 appears to be a very promising antitumor agent for cervical and ovarian carcinoma.[1]

References

  1. Comparison of U-73,975 and cisplatin cytotoxicity in fresh cervical and ovarian carcinoma specimens with the ATP-chemosensitivity assay. Hightower, R.D., Sevin, B.U., Perras, J.P., Untch, M., Angioli, R., Ramos, R., Averette, H. Gynecol. Oncol. (1992) [Pubmed]
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