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British Journal of Cancer logoLink to British Journal of Cancer
. 1993 Oct;68(4):681–683. doi: 10.1038/bjc.1993.409

The effect of pH on the aerobic and hypoxic cytotoxicity of SR4233 in HT-29 cells.

L D Skarsgard 1, M W Skwarchuk 1, A Vinczan 1, D J Chaplin 1
PMCID: PMC1968590  PMID: 8398693

Abstract

We have observed that low pH can substantially potentiate the cytotoxic effect of the bioreductive drug SR4233 in aerobic HT-29 human tumour cells. No such potentiation was observed under hypoxic conditions. This pH effect might be relevant both to the therapeutic effectiveness and to the normal tissue toxicity of this new agent.

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Selected References

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