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6 protocols using mdv3100

1

Pharmacological Modulation of Cell Signaling

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The activators and inhibitors used in this study were obtained from the following sources: ISO (Sigma), Forskolin (FSK, LC Laborartoy), IBMX (Adipogen), ICI (Tocris), PKI (Tocris), PRO (Tci America), GSK126 (Selleck), DZNEP (Cayman Chemical), EPZ6438 (Selleck), TSP1 peptide (Athens Research and Technology), MDV3100 (Apexbio) and Doxycycline (Enzo), TSA (Cayman). The doses and duration of their treatments were as indicated.
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2

Cell Culture and Hormone Treatment Protocol

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HeLa, SKBR-3, U251MG, and U87MG cells were obtained from China Center for Type Culture Collection (CCTCC, Shanghai, China). Neuro2A, SH-SY5Y, and BIU-87 cells were kind gifts from Dr. Yuxian Shen (Anhui Medical University, Anhui, China); SW480 and SW620 cells were gifts from Dr. Siying Wang (Anhui Medical University); PC-3 and LNCaP cells were gifts from Dr. Xuemei Huang (Harbin Institute of Technology, Heilongjiang, China). The cells were cultured in DMEM or RPMI 1640 (Gibco, NY, USA) supplemented with 10% fetal bovine serum (Invitrogen), 100U/ml penicillin, and 100 mg/ml streptomycin in a humidified incubator with 5% CO2 at 37°C. For treatment with R1881 or ARN-509 and MDV3100 (Enzalutamide, brand name Xtandi) both obtained from APExBio, TX, USA, cells were grown in phenol red-free DMEM (Gibco) medium supplemented with 10% (or indicated concentration, v/v) dextran-coated charcoal stripped FBS (Biological Industries, Israel) for 72 h prior to treatment. Every 24 h, the medium was replaced with medium with or without hormone and the cells were incubated for a further 24 to 72 h before analysis. Plasmids expressing wild-type SVIP has been previously described [18 ]. For transient transfection or RNA interference (RNAi), plasmid or siRNA was transfected using Lipofectamine 2000 (Invitrogen) according to the manufacturer's instructions.
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3

Activator and Inhibitor Compound Protocol

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The activators and inhibitors used in this study were obtained from the following sources: Isoproterenol (ISO) (Sigma), Forskolin (FSK, LC Laborartoy), IBMX (Adipogen), ICI118,551 (ICI) (Tocris), propranolol (PROP) (Tci America), protein kinase A inhibitor peptide 14-22 (PKI) (Tocris), GSK126 (Selleck), EPZ-6438 (Selleck), DZNeP (Apexbio), MDV3100 (Apexbio) and Doxycycline (Enzo). The doses and duration of their treatments were as indicated. ISO, PROP, ICI, PKI and Doxycycline were dissolved in water, while all other chemicals were dissolved in DMSO.
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4

Castrated BALB/C Mice Xenograft Model for Prostate Cancer

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Four weeks old male BALB/C nude mice, obtained, and maintained in specific pathogen free Animal Center of Dalian Medical University, were castrated. 1week after castration, mice were subcutaneously injected in the flank with 5 × 106 U87MG cells mixed with 100 μl PBS. The tumor size was measured daily with a caliper beginning 1 week after inoculation, and the volume was calculated as π/6 × length × width2. After the tumor volume had reached 100 mm3, the mouse was treated with MDV3100 (APExBio) or placebo (control) at a dose of 10 mg/kg body weight by daily oral gavage. MDV3100 stock were prepared in vehicle aqueous slurry (placebo), containing 20% PEG-400, 0.25% Tween-80, and 0.5% w/v carboxymethylcellulose (CMC) solution in 20 mM citrate buffer (pH 4.0), stored at 4°C. Xenograft tumors were excised upon sacrifice on day 14 post-drug treatment.
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5

Cell Culture and Transfection Protocol

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SH-SY5Y, N2a, HeLa, and RAW264.7 were cultured and maintained in Dubelcco's Modified Eagle Media (DMEM) (Gibcol) supplemented with 10% fetal bovine serum (FBS) and 1% Penicillin/Streptomycin (Hyclone). For treatment with vehicle (DMSO), R1881 or ARN-509 and MDV3100, both obtained from APExBio, TX, USA, cells were grown in phenol red-free DMEM (Gibco) medium supplemented with 10% (or indicated concentration, v/v) dextran-coated charcoal stripped FBS (Biological Industries, Israel) for 72 h prior to treatment. Cells were incubated at 37°C in a humidified incubator containing 5% CO2. To inhibit AR expression, siRNAs targeting full length AR (siARa, 3′- AAGACGCUUCUACCAGCUCAC -5′; siARb, 3′- AAGAAGGCCAGUUGUAUGGAC -5′; siARc, 3′-GACCUACCGAGGAGCUUU-5′) or siRNA control ordered from GenePharma (Shanghai, China) were transfected using Lipo2000 transfection reagent (Invitrogen) in accordance with the manufacture's protocol.
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6

Signaling Pathway Modulation Protocol

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The activators and inhibitors used in this study were obtained from the following sources: Isoproterenol (ISO) (Sigma), Forskolin (FSK, LC Laborartoy), IBMX (Adipogen), ICI118,551 (ICI) (Tocris), propranolol (PRO) (Tci America), protein kinase A inhibitor peptide 14–22 (PKI) (Tocris), GSK126 (Selleck), MDV3100 (Apexbio) and Doxycycline (Enzo). The doses and duration of their treatments were as indicated.
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