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13 protocols using shp099

1

Targeting Intracellular Signaling Cascades

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Syk inhibitor (R406; 3 µM) and PI3Kδ inhibitor (Idelalisib CAL-101; 3 µM) were from Selleckchem. SHP-1 inhibitor (TPI-1; 3 µM) and SHP-2 inhibitor (SHP099; 10 µM) were from MedChem Express. Fc-block reagent was purchased from Miltenyi Biotech.
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2

Viability of Pre-adipocytes Exposed to Treatments

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The viability of pre-adipocytes was assessed using CCK-8 (Dojindo Laboratories, Inc.) assays according to the manufacturer's instructions following treatment with recombinant leptin rat (0, 5, 25, 50, 100 and 200 ng/ml) (Bioworld Technology, Inc.), SHP099 (0, 1, 5, 10, 50, 100 and 200 µM) or PNU-74654 (0, 0.5, 1, 10, 25, 50 and 100 µM) (MedChemExpress) at 37˚C with 5% CO2 for 24 h. The absorbance at 450-nm wavelength was detected using a microplate reader (Thermo Fisher Scientific, Inc.).
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3

Murine Tumor Model Drug Preparation

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TNO155 (#HY-136173) and SHP099 (#HY-100388A) were purchased from MedChemExpress, and ceritinib (#S7083), lorlatinib (#S7536), and crizotinib (#S1068) were purchased from Selleck Chemicals. Inhibitors were resuspended in DMSO. For murine experiments, lorlatinib (#HY-12215) and TNO155 (#HY-136173) were purchased from MedChemExpress or TNO155 was provided by Novartis AG. Drugs were resuspended in final concentrations of 0.5% methylcellulose + 0.5% Tween 80 in water.
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4

Bile Duct Ligation and CCl4-Induced Liver Fibrosis

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Six-week old wild-type (WT) C57Bl/6 male and female mice (Envigo) underwent bile duct ligation (BDL) to induce liver fibrosis, as previously described (21 (link)) and kept 3 weeks. In a second model of liver fibrosis, CCl4 (1µL/g, Sigma-Aldrich #319961) was administered twice a week for 4 weeks. SHP099 (MedChemExpress, HY-100388) was dissolved in 5%DMSO and administered daily at 5mg/kg for 4weeks. For EV transplant, unlabeled or PKH76-labeled PDGFRα-overexpressing LX2-derived EVs were used; 2×109 EVs/mouse/day (22 (link)) were administered daily for 3–4 weeks. Serum and livers were analyzed by Sirius red, Masson’s trichrome and WB. Serum EVs derived from olive oil-, CCl4- or CCl4+SHP099-treated mice were administrated daily at 100µg of EVs/mouse/day to WT mice for 10 days. CCl4, SHP099 and EVs were administered intraperitoneally.
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5

Phosphatase Inhibition Assay

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Phosphatase activity was measured in the presence of various concentrations of the inhibitor SHP099 (MedChemExpress) in activity buffer containing 500 μM DiFMUP in absence and presence of 5 μM synthetic, biphosphorylated IRS-1 peptide (H2N-LN(pY)IDLDLV(dPEG8)LST(pY)ASINFQK-amide, Anaspec). Percentage of inhibition was plotted against the logarithmic concentration of SHP099 and the IC50 values and uncertainties were obtained after fitting the data to the Boltzmann function in OriginPro 2018 (OriginLab, Northampton, MA).
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6

Molecular Probes for Cell Signaling

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Raphin1 acetate (HY-123960A), Sanguinarine chloride (HY-N0052A), KY-226 (HY-120327), SHP099 (HY-100388), NSC95397 (HY-108543), and BCI (HY-115502) were purchased from MedChemExpress. BIRB796 (Axon 1358) was purchased from Axon Medchem. Recombinant human EGF (AF-100-15) was purchased from Peprotech.
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7

Inhibition of Oncogenic Signaling Pathways

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Trametinib (MEK inhibitor) was obtained from ChemScene, SHP099 (SHP-2 inhibitor) from MedChem Express, and calpeptin (cell-penetrating calpain inhibitor) from Calbiochem.
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8

KRAS Signaling Pathway Profiling

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The following antibodies were used: KRAS G12D (14429; dilution: 1:1,000; Cell Signaling Technology); KRAS (53270; dilution: 1:1,000; Cell Signaling Technology); phospho-Erk1/2 (Thr202/Tyr204; 4370; dilution: 1:1,000; Cell Signaling Technology); Erk1/2 (4696; dilution: 1:1,000; Cell Signaling Technology); GAPDH (5,174; dilution: 1:1,000; Cell Signaling Technology); STEAP3 (17186; dilution: 1:1,000; Proteintech); and ferroportin (NBP1-21502SS; dilution: 1:1,000; Novus Biologicals). COBI and SHP099 were purchased from MedChemExpress. RMC-4550 material used in these studies was provided by Revolution Medicines, Inc., in collaboration with Sanofi, Paris, France.
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9

Comprehensive Profiling of Receptor Tyrosine Kinase Signaling

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The following antibodies EGFR (#4267), p-EGFR (#3777), ERBB2 (#2242), p-ERBB2 (#2243), ERBB3 (#4754), p-ERBB3 (#4791), ERK1/2 (#4696), p-ERK1/2 (T202/Y204, #9101), AKT (#9272) and p-AKT (#6942) were purchased from Cell Signaling Technology. β-tubulin antibody (#sc-166729) was purchased from Santa Cruz Biotech and actin antibody (#A2066) from Sigma-Aldrich. Afatinib was purchased from Selleck Chemicals LLC; erlotinib, selumetinib and SHP099 from MedChem Express; and trametinib from ChemieTek. Therapeutic antibodies trastuzumab and pertuzumab were obtained from Roche, Finland.
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10

Investigating Innate Immune Signaling Pathways

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SHP099 (Cat. #HY-100388) and SHP099 hydrochloride (Cat. #HY-100388A) were purchased from MedChemExpress (Monmouth Junction, NJ, USA). 2′,3′-cGAMP (Cat. #tlrl-nacga23) was purchased from InvivoGen (San Diego, CA, USA). ELISA Kits for human and mouse IFN-β were purchased from Multi Sciences Biotech Co., Ltd. (Hangzhou, China). Anti-p-TBK1 (Cat. #5483) and anti-p-IRF3 (Cat. #4947) were purchased from Cell Signaling Technology (Beverly, MA, USA). Anti-TBK1 (Cat. #DF7026) was purchased from Affinity Biosciences (Cincinnati, OH, USA). Anti-IRF3 (Cat. #11312-1-AP) and anti-STING (Cat. #19851-1-AP) were purchased from Proteintech Group (Rosemont, IL, USA). Anti-SHP2 (Cat. #sc-7384) was purchased from were purchased from Santa Cruz Biotechnology (Santa Cruz, CA, USA). Anti-β-actin (Cat. #M20011) was purchased from Abmart (Shanghai, China). Alexa Fluor 488 goat anti-rabbit IgG (H + L) cross-adsorbed secondary antibody (Cat. #A11008) was purchased from ThermoFisher Scientific (Waltham, MA, USA). All other chemicals were obtained from Sigma–Aldrich (St. Louis, MO, USA).
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