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Table 1 Cytotoxicities of several drugs against KB and CDDP-resistant cell line, KB/CDDP(T)

From: 3'-Ethynylcytidine, an RNA polymerase inhibitor, combined with cisplatin exhibits a potent synergistic growth-inhibitory effect via Vaults dysfunction

 

ECyd

CDDP

CBDCA

ADM

SN-38

Cell line

IC50

Fold

IC50

Fold

IC50

Fold

IC50

Fold

IC50

Fold

μmol/L

μmol/L

μmol/L

μmol/L

μmol/L

KB

0.022

1.0

0.82

8.4

28.40

7.5

0.022

3.8

0.002

35

KB/CDDP(T)

0.022

6.92

214.13

0.084

0.070

  1. Cells were exposed to each drug for 72 hr. Data are shown as the mean (n = 4).