Table 1

Antiproliferative effect of NVP-AUY922 against a panel of human breast cancer cell lines

Cell line
ErbB2/ER status
NVP-AUY922
17-AAG





nM

BT-474
ErbB2+/ER+
3.1 ± 1.4
17.4 ± 5.2
BT20
ErbB2-/ER-
4.0 ± 1.4
18.9 ± 4.8
MDA-MB-157
ErbB2-/ER-
126 ± 37
29.5 ± 20.8
MDA-MB-231
ErbB2-/ER-
7.0 ± 1.7
2,057 ± 571
MDA-MB-468
ErbB2-/ER-
6.3 ± 2.6
1,657 ± 390
SkBr3
ErbB2+/ER-
3.3 ± 0.9
11.9 ± 8.0
MCF-7
ErbB2-/ER-
8.8 ± 1.8
69.0 ± 18.3

The concentrations of NVP-AUY922 and tanespimycin (17-AAG) that inhibit cell number by 50% (GI50) were determined. ErbB2 and estrogen receptor (ER) status is indicated.

Jensen et al. Breast Cancer Research 2008 10:R33   doi:10.1186/bcr1996