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3 protocols using nt157

1

Antibody-based Protein Detection Protocol

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Antibodies specific to the following proteins were used in this study: JAB1 (Santa Cruz, USA); Phospho-p44/42 MAPK (Erk1/2) (Thr202/Tyr204), p44/42 MAPK (Erk1/2), Phospho-STAT3 (Tyr705), and STAT3 from Cell Signaling Technology (Danvers, MA, USA); Lamin B, horseradish peroxidase (HRP)-conjugated beta Actin, HRP-conjugated goat anti-rabbit IgG (H + L), and HRP-conjugated goat anti-mouse IgG (H+L) were from ProteinTech; NT157 and PLX4720 were from Selleck; IL-6 was from PeproTech. The detail of dilutions and catalog number are included in supplementary materials and methods. NT157 was diluted in 20% 2-hydroxypropyl-β-cyclodextrin (2-HP-β-CD) (Selleck) for in vivo administration (100 mg/kg, intraperitoneal injection). NT157 was diluted in dimethyl sulfoxide (DMSO) for in vitro use at a concentration of 2 μM or as shown in details in the figures.
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2

Immunohistochemistry and Cell Signaling Assays

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The IRS-1 antibody for immunohistochemistry analysis was obtained from Abcam (#ab40777; Abcam, Boston, MA, USA). Similarly, the caspase 3 antibody was obtained from Abcam (#ab184787). Cell signaling (Danvers, MA, USA) provided antibodies for caspase 9 (#9502S); hexokinase (#2867S), STAT3 (#4904S), phospho STAT 3, (#9131S), cleaved PARP (#5625S), IRS-1 for western blotting (#2382S), phospho p38 MAP Kinase (#9215S), p38 MAP Kinase (#9212S), phospho AKT (#3787S), AKT (#9272S), phospho Erk1/2(#4376S), Erk1/2 (#9102S) and IGF-1R (#3027S). Phospho IGF-1R antibody was obtained from Sigma Aldrich (SAB4300652; Millipore Sigma, Burlington, MA, USA). The Actin antibody was obtained from Santa Cruz Biotechnology (#sc-47778; Santa Cruz, Dallas, TX, USA). NT157 was obtained from Selleckchem (#NM-4126; Houston, TX, USA).
Cell migration assay plates were obtained from Corning (#354578; Corning, Glendale, AZ, USA) and the staining kit was obtained from Siemens (#B4132-1A; Siemens Health care Diagnostic Inc., Newark, DE, USA). Methylthiazole tetrazolium (MTT) reagent was obtained from EMD Millipore Corp (#475989; United Kingdom). Propidium iodide was procured from Sigma Aldrich (#81845). Ribonuclease A (RNase) was obtained from Sigma-Aldrich (#R4642).
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3

Pharmacological Evaluation of MPA, RU486, and NT157

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Medroxyprogesterone acetate (MPA, Cat#M1629), and mifepristone (RU486, Cat#M8046) were obtained from Sigma-Aldrich, St. Louis, MO. NT157 (Cat#S8228) was obtained from SelleckChem (Houston, USA).
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