%Activated Caspase-3
a
MCF10A
25
DCIS
**
20
*
15
10
5
0
Control
b
200 µM
400 µM
Tunicamycin
MDA-MB-231
18
16
Cell # x 106
14
12
10
*
8
6
*
*
4
2
0
Control
c
100 µM
200 µM
400 µM
MDA-MB-231
30
*
*
25
%Activated Caspase -3
Fig. S3
20
15
10
5
0
Control
100 µM
200 µM
400 µM
Tunicamycin