Effect of adding the topoisomerase I poison 7-ethyl-10-hydroxycamptothecin (SN-38) to 5-fluorouracil and folinic acid in HCT-8 cells: elevated dTTP pools and enhanced cytotoxicity

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Summary

Observations are consistent with a model in which SN-38 sequentially induces diminished DNA synthesis, elevated dTTP pools, inhibition of dUMP synthesis and enhanced toxicity of 5FU/FA.

Type
article
Published
1998-09-30
Cited by
76
References
45

Keywords

Folinic acid, Fluorouracil, Cytotoxicity, Topoisomerase, Chemistry

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