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4 protocols using gw2974

1

EGFR Kinase Inhibitors Modulate C. albicans Infection

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The EGFR kinase domain inhibitors were purchased from Santa Cruz (Gefitinib), Selleckchem (PD153035), Tocris Bioscience (AG1478) and Sigma (GW2974). Marimastat, GI-253023X, glibenclamide and Bapta-AM were purchased from Tocris Bioscience. Inhibitors were reconstituted in DMSO and aliquoted for appropriate freezer temperature storage. TR146 cells were incubated with inhibitors for 1 h prior to C. albicans infection, candidalysin exposure or mock treatment. Phospho-EGFR Tyr1068 (#3777), phospho-EGFR Tyr845 (#6963S), c-Fos (#2250S) and phospho-MKP1 (#2857S) antibodies were purchased from Cell Signalling Technology. Mouse anti-human α-actin antibody was purchased from Millipore (UK) (#MAB1501), goat anti-mouse (#115-035-062) and anti-rabbit (#111-035-144) horseradish peroxidase (HRP)-conjugated antibodies were purchased from Jackson Immunologicals (Stratech Scientific, UK). Fluorescent ErbB receptor affibodies were a kind gift from the Science and Technologies Facilities Council for use with confocal imaging work. APC anti-human EGFR antibody was purchased from BioLegend (# 352905) for use with Imagestream analyses. Biologically active EREG and EPG were purchased from Peprotech and used at 10, 25 and 50 ng/mL either individually or together at the same concentration.
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2

Comprehensive Analysis of NF-κB Pathway

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Amphotericin B was purchased from X-GEN Pharmaceuticals Inc. Zymosan A was purchased from Sigma-Aldrich (Z4250-250 mg) and was boiled for one hour before use. The YPD agar medium was purchased from Clontech (Clontech, 630410). GW2974 was purchased from Sigma (G0668-50MG). The following antibodies were used for Western blotting and immunohistochemistry: IKKα (IMG-136A) and IκBα (IMG-127A) from IMAGENEX; IKKβ (05-535) from Millipore; lamin B (sc-6216), RelB (sc-48366), LTβR (sc-80167), p65 (sc-372), IκBα (sc-371), p50 (sc-1190), p16 (sc-377412), p53 (sc-6243), p63 (sc-8431), EGFR (sc-03), and IKKα (sc-7183) from Santa Cruz Biotechnology; Phospho-EGFR (2235), p65 (8242) and p100/p52 (4882) from Cell Signaling Technology; β-actin (A-5441) from Sigma; anti-alpha tubulin antibody (ab4074) from abcam; AIRE Alexa Fluor 488 (53-5934-80) and F4/80 (14-4801-81) from eBioscience; CD4 (550280) and IKKγ (559675) from BD Pharmingen; and biotinylated UEA-1 (B-1065) from Vector Laboratories. The anti-CD40 antibody (rat anti-mCD40 agonist, clone Fgk115) was kindly provided by Dr. Dr. Giorgio Trinchieri’s laboratory.
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3

Aspirin and EGFR Inhibitor Effects on Ikkα Mice

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Five-month-old IkkαKA/KA mice were treated with either aspirin water solution or EGFR inhibitor GW2974 suspension added into wet feed food. Each mouse was given 3 mg of aspirin, or 0.6mg of GW2974 per day for one month. Aspirin (A5376-100G: Acetylsalicylic acid) and GW 2974 (G0668) were purchased from Sigma. Mice were singly housed to ensure full consumption of aspirin or GW2974.
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4

Telomeric DNA Binding Assay

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All chemicals were of the highest purity available (98%-99%) and used without further purification. GW-2974 (N4-(1-benzyl-1H-indazol-5-yl)-N6,N6-dimethyl-pyrido-[3,4-d]-pyrimidine-4,6-diamine), SCH-442416 (5-amino-7-[3-(4-methoxy) phenylpropyl]-2-(2-furyl)-pyrazolo[4,3-e]-1,2,4-triazolo[1,5-c]pyrimidine), ethylenediaminetetraacetic acid (EDTA), potassium chloride, Tris(hydroxymethyl)-aminomethane hydrochloride (Tris–HCl) and calf thymus DNA (c-DNA) were purchased from Sigma-Aldrich. High-performance liquid chromatography (HPLC)-purified telomeric DNA sequences, 5′-AGGGTTAGGGTTAGGGTTAGGG-3′, Fl-5′-AGGGTTAGGGTTAGGGTTAG-GG-3′ and 3′-TCCCAATCCCAATCCCAATCCC -5′, were purchased from Alpha DNA, Canada. Notably, Millipore deionized water was used in all experiments.
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