Table 1 Summary of antibodies used in this study

EGFR, rabbit mAb, clone C74B9

#2646

CST^a

Phospho-EGFR Tyr992, rabbit polyclonal

#2235

CST^a

HER2/ErbB2, rabbit mAB, clone 29D8

#2165

CST^a

Phospho-HER2/ErbB2 Tyr1196, rabbit mAb, clone D66B7

#6942

CST^a

AKT (pan), rabbit mAb, clone 11E7

#4685

CST^a

Phospho-AKT Ser473, rabbit mAb, clone D9E

#4060

CST^a

p44/42 MAPK (ERK1/2), rabbit polyclonal

#9102

CST^a

Phospho-p44/42 (ERK1/2) Thr202/Tyr204, rabbit polyclonal

#9101

CST^a

PLC-γ1, rabbit mAb, clone D9H10

#5690

CST^a

Phospho-PLC-γ1 Tyr783, rabbit mAb, clone D6M9S

#14008

CST^a

PLD1, rabbit polyclonal

#3832

CST^a

PLD1, rabbit monoclonal, clone EP1506Y

ab68150

Abcam^b

Sigma-1-receptor, mouse mAb, clone B-5

sc-137075

Santa Cruz^c

elf4E, rabbit polyclonal

#9742

CST^a

β-actin, rabbit mAb, clone 13E5

#4970

CST^a

rabbit IgG

sc3888

Santa Cruz^c

Anti-mouse-IgG-HRP-linked

#7076

CST^a

Anti-rabbit-IgG-HRP-linked

#7074

CST^a