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5 protocols using bortezomib btz

1

Screening of Small Molecule Library

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The 1040 compounds used for the small molecule screen were from the Prestwick Chemical Library (Illkirch, France). The following compounds were obtained from Cayman Chemical (Ann Arbor, MI): TWS119 (#10011251), ipsapirone (#22075), bromocriptine (#14598), urapidil (#29004), trimipramine (#15921), dichlorphenamide (#23658), nimesulide (#70640), and mesalamine (#70265). Lithium chloride (LiCl) was obtained from Sigma (St. Louis, MO, #62476), lithium acetate was obtained from Aldrich Chemical Company (Milwaukee WI, #21,319–5), and bortezomib (BTZ) was obtained from EMD Millipore (#179324-69-7).
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2

Bortezomib Cytokine Signaling Regulation

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Bortezomib (BTZ) was purchased from Merck. For the in vitro experiments, a 10 mM stock solution was prepared by dissolving it in dimethyl sulfoxide (DMSO) purchased from Sigma-Aldrich. The concentration of DMSO in the culture was kept from 0.1 to 0.2%. The stock solution was stored at −20 °C until use. The antibodies for the immunoblots, including GAPDH (14C10), P21waf1/cip1 (12D1), P53, P27kip1 (D69C12), CDK1 (POH1), CYCLIN B1 (D5C10), and WEE1 (D10D2), were purchased from Cell Signaling (Beverly, MA, USA), while Anti-DDK(FLAG) (TA50011-100) was purchased from OriGene Technologies, Inc. (Rockville, MD 20850, USA).
Five cytokines—IL-3, IL-6, SCF, G-CSF, and Flt3-L—were purchased from PEPRO Tech (Rocky Hill, NJ, USA).
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3

Antiviral Compound Screening for DENV and ZIKV

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All viruses were obtained from Emerging Infections Research Resources Repository (BEI Resources, Manassas, VA, USA). Monkey plasmas neutralizing DENV or ZIKV were provided by Dr. Gregory Gromowski, Viral Diseases Branch, Walter Reed Army Institute of Research. Aedes albopictus mosquito C6/36 cells (ATCC CRL-1660), African green monkey kidney epithelial Vero cells (CCL-81), human embryonic kidney HEK-293 cells (CRL-1573), SH-SY5Y cells (CRL-2266), U-251 MG cells (HBT-17), and HeLa cells (CCL-2) were obtained from ATCC (Manassas, VA, USA). Huh-7 cells were provided by Dr. Hongbing Wang, University of Maryland School of Pharmacy. All cells were cultured in complete Dulbecco’s modified Eagle’s medium (DMEM) supplemented with 10% fetal bovine serum (FBS) as growth medium or 2% FBS as maintenance medium. Bortezomib (BTZ), CDDO-me, and PU-WS13 were purchased from Sigma-Aldrich (St. Louis, MO, USA), Adooq Biosciences (Irvin, CA, USA), EMD Chemicals (San Diego, CA, USA), respectively. The sources for antibodies are: Anti-grp94 antibody (Affinity Bioreagents, Golden, CO, USA), anti-OS9 antibody (Thermo Fisher Scientific, Waltham, MA, USA), Anti-Hsp70 and anti-Tubulin antibodies (Enzo Life Sciences, Farmingdale, NY, USA), anti-Hsp90 and anti-BiP antibodies ( BD Biosciences, San Jose, CA, USA), Anti-DENV2 E protein and anti-DENV2 NS3 protein antibodies (GeneTex, San Antonio, TX, USA).
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4

Mtb mc^2 6230 Cultures Treated with Bortezomib

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Mtb mc26230 cultures were grown as previously described 66 (link) for 4.5 days to mid-log phase, then treated for 48 hrs with 40μM bortezomib (BTZ, Sigma-Aldrich) dissolved in DMSO 66 (link). DMSO was used as a vehicle control.
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5

Analyzing Rhodopsin Degradation in HeLa Cells

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HeLa cells were obtained from American Type Culture Collection (ATCC) and were cultured in Dulbecco's Modified Eagle Medium (DMEM) (Gibco) supplemented with 10% (v/v) FBS and 5% penicillin-streptomycin. Cell lines were maintained at 37°C, 5% CO2 in a humidified incubator according to the guidelines provided by the vendors. To analyze rhodopsin degradation, cells were plated for 24 h and then treated with 200-nM Bafilomycin A1 (Baf) (Sigma–Aldrich, B1793) for 3 h, 100-μg/ml cycloheximide (CHX) (Sigma–Aldrich, C4859), 100-mM Bortezomib (BTZ) (Sigma–Aldrich, 5043140001) and 10 μM of NSC668394 or DMSO as previously reported (Bulut et al., 2012 (link)).
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