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(+++)
Normal breast
ATM
(++)IDC
ATM
Lymph node metastasis negative positive
P-value
-
+
++
+++
35
32
27
16
36
73
50
27
0.085
A
BX200 X200
C
Vector ATM - WT ATM – S1981A
CPT
Figure S1. ATM expression does not correlate with lymph node metastasis in breast cancer specimens. (A) ATM expression was detected in the 296 cases of breast cancer tissues. Representative images from an IDC sample or a normal breast tissue was shown. (B) The Chi-square test was performed to determine the correlation of ATM expression and lymph node metastasis. (C) GM9607 cells were transfected with vector, the wild-type or S1981A form of ATM followed by immunohistochemistry in the cultured cells.
Sun et al Figure S1
Kaplan-Meier Curve:
D
P=0.047
DFP: disease free period
Snail
pS1981-ATM
P=0.264
E
Sun et al Figure S1
Figure S1. (D) A picture with both tumor cells (in the left area) and a normal breast duct (arrow). The size of the breast tumor cells are much bigger than the normal epithelial cells of breast duct. Kaplan-Meier Curves correlated with Snail (E) and pS1981-ATM (F) in 296 patients were created and statistically quantified.
F
Snail
b-actin
KU - + - + - + - + CPT (hr) 0 2 0 2
ctrl shRNA ATM shRNAA
Figure S2. Snail upregulation is regulated by activation of ATM in response to CPT and IR treatment. (A) HeLa cells with proficient or deficient ATM were treated with CPT with or without Ku55933. Total cell lysates were obtained and the Snail and β-actin levels were determined. (B) MDA-MB231 cells were exposed to IR (6 Gy), and immunoblotted with Snail and actin antibodies. (C) MDA-MB-231 cells were transfected by two different ATM siRNAs, followed by CPT and IR treatment. pS1981-ATM, ATM, Snail and actin levels were examined by immunoblotting.
Sun et al Figure S2
IR (6 Gy) 0 1 hr 2 hr 4 hr
Snail
β-actin
MDA-MB-231B
MDA-MB-231
β-actin
ATM
Snail
- CPT IR - CPT IR - CPT IR
Ctrl siRNA ATM siRNA #1 ATM siRNA #2
pS1981-ATM
C
Snail
ATM
GSK3b
CPT - + + + + - + + + + KU (mM) - - 1 5 10 - - 1 5 10
MDA-231 control MDA-231 GSK3b KD
Figure S3. GSK-3β is dispensable for ATM mediated Snail upregulation. control or GSK-3β knock-down MDA-MB-231 cells were treated with Ku55933 at indicated doses, followed by CPT treatment. Snail, ATM and GSK-3β levels were measured by Western blot.
Sun et al Figure S3
pS100-Snail
mg 10 20 40 80 10 20 40 80
Non-phosphor-Snail peptide Phosphor-S100-Snail peptide
Figure S4. The specificity of anti phospho-S100 Snail antibody. Non-phospho or phospho-S100 Snail peptides were blotted using the anti-phospho S100-Snail antibody.
Sun et al Figure S4
HSP90 alpha
HSP90 beta
Figure S5. Mass-spectrometry data for HSP90 alpha and beta binding to Snail in response to CPT treatment. MDA-MB-231 cells were treated with CPT, followed by immunoprecipitation of Snail, electrophoresis, silver staining and mass-spectrometry. The Spectra of HSP90 alpha and beta were shown.
Sun et al Figure S5
-actin
pS100-Snail
Snail
pS1981-ATM
ATM
1* 2 3 4* 5 6* 7 8 9* 10
* Breast cancer with lymph node metastasis
11* 12 13 14 15* 16 17 18 19 20
-actin
pS100-Snail
Snail
pS1981-ATM
ATM
21* 22 23* 24 25 26* 27 28 29* 30
-actin
pS100-Snail
Snail
pS1981-ATM
ATM
Sun et al Figure S6
-actin
pS100-Snail
Snail
pS1981-ATM
ATM
31* 32 33 34 35* 36 37* 38* 39* 40
-actin
pS100-Snail
Snail
pS1981-ATM
ATM
41 42* 43* 44 45 46 47 48 49 50
-actin
pS100-Snail
Snail
pS1981-ATM
ATM
51 52 53 54* 55 56 57* 58 59* 60
-actin
pS100-Snail
Snail
pS1981-ATM
ATM
61* 62 63* 64 65 66 67* 68 69 70
-actin
pS100-Snail
Snail
pS1981-ATM
ATM
71 72 73* 74 75 76* 77 78 79 80*
Figure S6. Snail, pS100-Snail, ATM, pS1981-ATM and -actin were examined by immunoblotting in 80 breast cancer patient tissue samples.