Supplementary Figure 1

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Article title: PI3K independent activation of mTORC1 as a target in lapatinib-resistant ERBB2+ breast cancer cells Journal: Breast Cancer Research and Treatment Authors: Anna-Maria Jegg 1 , Toby M. Ward 1 , Elizabeth Iorns 3 , Nicholas Hoe 4 , JinYao Zhou 4 , Xiaofei Liu 1 , Sharat Singh 4 , Ralf Landgraf 2 and Mark D. Pegram 1 1 Division of Hematology and Oncology, University of Miami Sylvester Comprehensive Cancer Center, Miami, FL 33136 2 Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL 33136 3 Science Exchange, Inc. Palo Alto, CA 94301 4 Prometheus Laboratories, San Diego, CA 92121 Corresponding author: Mark D. Pegram; [email protected]

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Article title: PI3K independent activation of mTORC1 as a target in lapatinib-resistant ERBB2+ breast cancer cells Journal: Breast Cancer Research and Treatment - PowerPoint PPT Presentation

Transcript of Supplementary Figure 1

Page 1: Supplementary Figure 1

Article title: PI3K independent activation of mTORC1 as a target in lapatinib-resistant ERBB2+ breast cancer cells Journal: Breast Cancer Research and Treatment Authors: Anna-Maria Jegg1, Toby M. Ward1, Elizabeth Iorns3, Nicholas Hoe4, JinYao Zhou4, Xiaofei Liu1, Sharat Singh4, Ralf Landgraf2 and Mark D. Pegram1

1Division of Hematology and Oncology, University of Miami Sylvester Comprehensive Cancer Center, Miami, FL 331362Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL 33136 3Science Exchange, Inc. Palo Alto, CA 943014Prometheus Laboratories, San Diego, CA 92121 Corresponding author: Mark D. Pegram; [email protected]

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Supplementary Figure 1

p-SRC

ER

actin

- +2.6μM lap - +

SRC

p-ERK

ERK

SK-lapR

p-SRCY416

actin

24h 48h 24h 48h 24h 48h 24h 48h

DMSO lapatinib AZD0530 AZD + lap

48h

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DMSO lapatinib PD325901 PD + lap

48h

-

p-ERK1/2T202/T204

actin

SK-lapR

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B

Supplementary Figure 2

A

EGFR/CEN ratio: 0.99 = no amplification(346/348 in 50 cells)

EGFR/CEN ratio: 1.046 = no amplification(383/366) in 50 cells)

SKBR3 SK-lapR

EGFR mRNA

SKBR3 SK-lapR25

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Rela

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mRN

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old

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]