Anti-cancer action of 4-iodo-3-nitrobenzamide in combination with buthionine sulfoximine: inactivation of poly(ADP-ribose) polymerase and tumor glycolysis and the appearance of a poly(ADP-ribose) polymerase protease.

@article{Bauer2002AnticancerAO,
  title={Anti-cancer action of 4-iodo-3-nitrobenzamide in combination with buthionine sulfoximine: inactivation of poly(ADP-ribose) polymerase and tumor glycolysis and the appearance of a poly(ADP-ribose) polymerase protease.},
  author={P{\'a}l Imre Bauer and Jerome Mendeleyeva and Eva Kirsten and John Comstock and Alaeddin Hakam and Kalman G Buki and Ernest Kun},
  journal={Biochemical pharmacology},
  year={2002},
  volume={63 3},
  pages={455-62}
}
E-ras 20 tumorigenic malignant cells and CV-1 non-tumorigenic cells were treated with a drug combination of 4-iodo-3-nitrobenzamide (INO(2)BA) and buthionine sulfoximine (BSO). Growth inhibition of E-ras 20 cells by INO(2)BA was augmented 4-fold when cellular GSH content was diminished by BSO, but the growth rate of CV-1 cells was not affected by the drug combination. Analyses of the intracellular fate of the prodrug INO(2)BA revealed that in E-ras 20 cells about 50% of the intracellular… CONTINUE READING

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