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6 protocols using aew541

1

Dual PI3K/mTOR and IGF1R Inhibitor Preparation

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Dual PI3K/mTOR inhibitor BGT226 (NVP-BGT226, cat# S2749)62 (link) and small molecule IGF1R inhibitor AEW541 (NVP-AEW541, cat# S1034)63 (link) were purchased from Selleck Chemicals. Both drugs were suspended in dimethyl sulfoxide (DMSO) for in vitro applications. For in vivo use, BGT226 was suspended in N-methyl-2-pyrrolidone (NMP). Immediately before administration, the NMP/BGT226 stock solution was diluted in PEG300 (10% NMP/BGT226 plus 90% PEG300). AEW541 was suspended in L(+)-tartaric acid (25 mM) for use in mice.
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2

Small Molecule Compound Preparation

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Gefitinib, AEW541,erlotinib, trametinib, U0126, sorafenib, and temsirolimus were purchased from Selleckchem and dissolved in 100% DMSO to generate 100mM stock solutions of each, stored at −80′C. For erlotinib, the 100mM stock solution was further diluted to 30mM in 100% DMSO for complete solubility. Novel compounds were provided by Dr. Chris Ireland and Dr. Sunil Sharma at the University of Utah.
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3

Preparation and Dissolution of Kinase Inhibitors

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X-376 was prepared as described previously14 (link). Crizotinib (ChemieTek, Indianapolis, IN, USA), OSI-906 (Selleck Chemicals, Houston, TX, USA), AEW-541 (Selleck Chemicals, Houston, TX, USA), LDK-378 (Selleck Chemicals, Houston, TX, USA) and Lapatinib (Selleck Chemicals, Houston, TX, USA) were dissolved in DMSO. Erlotinib was synthesized by the Memorial Sloan-Kettering Cancer Center (MSKCC) Organic Synthesis Core. MAb391 (R&D systems, Minneapolis, MN, USA) was dissolved in PBS.
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4

Preparation and Dissolution of Kinase Inhibitors

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X-376 was prepared as described previously14 (link). Crizotinib (ChemieTek, Indianapolis, IN, USA), OSI-906 (Selleck Chemicals, Houston, TX, USA), AEW-541 (Selleck Chemicals, Houston, TX, USA), LDK-378 (Selleck Chemicals, Houston, TX, USA) and Lapatinib (Selleck Chemicals, Houston, TX, USA) were dissolved in DMSO. Erlotinib was synthesized by the Memorial Sloan-Kettering Cancer Center (MSKCC) Organic Synthesis Core. MAb391 (R&D systems, Minneapolis, MN, USA) was dissolved in PBS.
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5

Western Blot Analysis of Signaling Pathways

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Primary antibodies: mouse anti-PARP-1, rabbit anti-phospho-Ser473 Akt, rabbit anti-phospho-Thr308 Akt, rabbit anti-Akt, rabbit anti-phospho-ERK1/2, rabbit anti-ERK1/2, rabbit anti-phospho-MEK1/2, mouse anti-MEK1/2, mouse anti-p21waf1, rabbit anti-p27, were from Cell Signaling Technologies (Boston, MA, USA). Mouse anti-human GAPDH and rabbit anti-cyclin A were from Santa Cruz Biotechnology (Dallas, TX, USA). Secondary antibodies: horseradish peroxidase (HRP)—conjugated goat anti-rabbit and goat anti-mouse IgG (H + L) antibodies were from Jackson (Baltimore Pike West Grove, PA, USA). EZ-ECL enhanced chemiluminescence detection kit, RPMI1640 medium, L-glutamine, fetal bovine serum, trypsin, antibiotics and phosphate buffered saline (PBS) were from Biological Industries (Beit-Ha-Emek, Israel). Propidium iodide, phosphatase inhibitor cocktails 2 and 3, sulphorodamine B (SRB), trichloroacetic acid and acetic acid were from Sigma Aldrich (St. Louis, MO, USA). ZSTK474, Selumetinib and AEW-541 were from Selleckchem (Houston, TX, USA). Complete mini protease inhibitor cocktail, RNAse A and Triton X-100 were from Roche Diagnostics Gmbl (Mannheim, Germany).
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6

Comprehensive cancer drug evaluation

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Tumor cell lines were obtained from ATCC and were cultured in RPMI1640 (Invitrogen) supplemented with 10% fetal bovine serum (Millipore). Erlotinib, afatinib, neratinib, GDC-0941, trametinib, lapatinib, insitinib, AEW541, imatinib, BGJ398, crizotinib and foretinib were purchased from Selleck Chemicals. All inhibitors were reconstituted in DMSO (Sigma-Aldrich) at a stock concentration of 10 mM.
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