TABLE 1

IC10 and IC50 Values for Methotrexate, Paclitaxel, and Doxorubicin on MDA-MB-231, 231-H2N, TrR1, and TrR2 Human Breast Cancer Cells

Cell lineMethotrexate*PaclitaxelDoxorubicin
MDA-MB-231
 IC10 (μmol/L)1.01 ± 0.010.07 ± 0.030.19 ± 0.08
 IC50 (μmol/L)103.3 ± 13.40.32 ± 0.131.26 ± 0.39
231-H2N
 IC10 (μmol/L)12.0 ± 0.230.14 ± 0.100.02 ± 0.004
 IC50 (μmol/L)120.8 ± 23.31.36 ± 0.240.16 ± 0.04
TrR1
 IC10 (μmol/L)0.01 ± 0.0010.12 ± 0.030.03 ± 0.01
 IC50 (μmol/L)0.13 ± 0.012.01 ± 0.470.55 ± 0.25
TrR2
 IC10 (μmol/L)1.13 ± 0.160.02 ± 0.010.02 ± 0.003
 IC50 (μmol/L)102.4 ± 10.70.27 ± 0.060.21 ± 0.08
  • * Values were reported previously in Costantini et al. (16).

  • Results are expressed as mean ± SEM of 3 measurements performed in duplicate.