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7 protocols using ab175237

1

Western Blot Analysis of Protein Expression

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Cells or tissues were lysed in ice-cold RIPA buffer (50 mM Tris, 150 mM NaCl, 1.0% Triton, 1 mM EDTA, 0.1% SDS) supplemented with protease (CAT #11697498001, Roche, Basel, Switzerland) and phosphatase inhibitor cocktail (CAT #4693132001, Roche, Basel, Switzerland). The protein concentrations were determined by the BCA Assay using BCA Assay protein Kit (Sangon, Shanghai, China). Soluble protein was separated by 10% SDS-PAGE and transfer onto PVDF membranes (Millipore, Billerica, MA, USA). The membrane was incubated in blocking buffer (1xPBST with 1% BSA) for 1 h at room temperature. The membrane was then blotted with the diluted primary antibodies: anti-CPSF6 (1:1000, CAT #ab175237, Abcam), anti-NQO1 (1:1000, CAT #11451–1-AP, Proteintech) and anti-β-actin (1:5000, CAT #A5316, Sigma). Immunoreactive protein was visualized using ECL start Western Blotting Substrate (GE Healthcare Life Sciences, USA) and image quant LAS 4000 mini (GE Healthcare Life Sciences, USA).
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2

Innate Immune Response Signaling Pathway

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Anti-CPSF5 (1:5000; 10322-1-AP, Proteintech), anti-CPSF6 (1:5000; ab175237, Abcam), anti-CPSF7 (1:2000; 55195-1-AP, Proteintech), anti-RIG-I (1:1000; D14G6, Cell Signaling), anti-MDA5 (1:1000; D74E4, Cell Signaling), anti-IFIT3 (1:2000; 15201-1-AP, Proteintech), anti-ISG15 (1:2000; 15981-1-AP, Proteintech), anti-DDX21 (1:2000; 10528-1-AP, Proteintech), anti-DHX15 (1:2000; 12265-1-AP, Proteintech), anti-CCL2 (1:2000; 66272-1-Ig, Proteintech), anti-IRF3 (1:1,000; sc-33641, Santa Cruz), anti-phosphorylated IRF3 (1:1000; 4D4G, Cell Signaling), anti-TBK1 (1:1000; D1B4, Cell Signaling), anti-phosphorylated TBK1 (1:1000; D52C2, Cell Signaling), anti-VSVG (1:1000; V5507, Sigma), anti-ICP27 (1:1000; ab31631, Abcam), anti-GAPDH (1:20000; 60004-1-Ig, Proteintech), anti-HA (1:5000; clone HA-7, H6533, Sigma), anti-Flag (1:5000; clone M2, F1804, Sigma), Anti-rabbit IgG (H+L), (Alexa Fluor 555 Conjugate) (1:1000, 4413, Cell Signaling), goat anti-mouse IgG-HRP (1:10000; HA1006, HuaBio), goat anti-rabbit IgG-HRP (1:10000; HA1001, HuaBio). The poly(I:C) (LMW) and poly(dA:dT) were purchased from InvivoGen. Lipofectamine 3000 and Lipofectamine RNAiMAX were purchased from Invitrogen. Act D (actinomycin D) was purchased from Sigma.
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3

Western Blot Analysis of Cellular Proteins

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Cells were lysed with RIPA buffer, separated with Bolt™ 4-12% Bis-Tris Plus Gels (Invitrogen) and transferred to nitrocellulose membranes. The membranes were blocked with 5% blotting-Grade Blocker (Cat # 1706404, Bio-RAD) using 1xTBST buffer (Cat # T9511, Teknova) for 1 h and incubated overnight at 4 °C with following primary antibodies: anti-HA antibody (1:1000, ab236632, Abcam), anti-GST antibody (1:1000, Cat # 8-326, Thermofisher), anti-CPSF6 antibody (1:5000, ab175237, Abcam), anti-Sec24C antibody (1:1000, ab122633, Abcam), anti-Nup153 antibody (1:2000, NB100-93329, Novus), anti-GAPDH antibody (1:3000, sc-47724, Santa Cruz). The membranes were subsequently incubated with a goat anti-rabbit IgG (H + L) secondary antibody (1:3000, 65-6120, Invitrogen) or goat anti-mouse IgG (H + L) secondary antibody conjugated (1:3000, 65-6520, Invitrogen) to horseradish peroxidase and visualized by enhanced chemi-luminescence (RPN2232, Cytiva).
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4

Inducible MxB Cell Lines for Virus Research

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Cell lines were cultured in Dulbecco’s Modified Eagle’s Media (DMEM) (Gibco/BRL; Paisley, UK) supplemented with 10% (v/v) fetal calf serum (FCS) and penicillin (Pen; 100 U/ml), streptomycin (Strep; 100 μg/ml) unless otherwise stated. G418 was used at 1000 μg/ml. Puromycin was used at 5 μg/ml. 293 cell lines were incubated at 37°C, 5% (v/v) CO2. All other cell lines were incubated at 37°C, 10% (v/v) CO2. Inducible MxB cell lines were made by transduction of HEK293, THP-1 and A3.01 with pLVX-Tet3G (Clontech), containing the Tet-responsive transactivator, and cells were selected for one week in G418. Cells were subsequently transduced with pLVX-mCherryKilled-MxB (modified from Clontech) and selected for one week in puromycin (2 μg/ml). Single cell clones were produced by limiting dilution in 96 well plates and assayed for optimal MxB induction. MxB inducible cell lines were induced for MxB expression by addition of 2 μg/ml of doxycycline for 48 hr prior to infection. Cell lines used in this study HEK293, U87-MG, HeLa, THP-1, A3.01. Cells routinely tested negative for mycoplasma using the Lonza MycoAlert mycoplasma detection kit. Antibodies used in this study; TNPO3 (ab54353, Abcam), CPSF6 (ab175237, Abcam), MxB (sc47197 N-17, Santa Cruz Biotechnology), CypA (BML-SA296-0100, ENZO), Nup358 (C288), Tubulin (DM1A, EMD Millipore), β-actin (ab6276, Abcam).
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5

Antibody Detection of Trafficking Proteins

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The following antibodies were used to detect Sec24C (ab122633, Abcam) (1:1000 dilution), Sec24D (A304–813A, Bethyl) (1:1000 dilution), CPSF6 (ab175237, Abcam) (1:1000 dilution), Nup153 (ab24700, Abcam) (1:1000 dilution), Trim5α (ab109709, Abcam)(1:1000 dilution), CD4 (ab133616, Abcam) (1:1000 dilution), Clathrin Heavy Chain (610499, BD Laboratories) (1:1000) and GAPDH (sc-32233, SantaCruz) (1:3000 dilution).
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6

Antibody Detection of Trafficking Proteins

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The following antibodies were used to detect Sec24C (ab122633, Abcam) (1:1000 dilution), Sec24D (A304–813A, Bethyl) (1:1000 dilution), CPSF6 (ab175237, Abcam) (1:1000 dilution), Nup153 (ab24700, Abcam) (1:1000 dilution), Trim5α (ab109709, Abcam)(1:1000 dilution), CD4 (ab133616, Abcam) (1:1000 dilution), Clathrin Heavy Chain (610499, BD Laboratories) (1:1000) and GAPDH (sc-32233, SantaCruz) (1:3000 dilution).
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7

Western Blot Analysis of Serum Proteins

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Serum samples were separated through SDS-PAGE and were then transferred onto polyvinylidene difluoride (PVDF) membranes (Bio-Rad, Hercules, CA, USA). After blocking with Block Ace reagent (DS Pharma Biomedical, Osaka, Japan), membranes were incubated with goat polyclonal anti-SNX5 (1:2000, ab5983, abcam, Tokyo, Japan), rabbit polyclonal anti-SRFBP1 (1:2000, ab109598, abcam), rabbit polyclonal anti-DDB1 (1:2000, ab97522, abcam), rabbit monoclonal anti-CPSF6 (1:2000, ab175237, abcam), or mouse monoclonal anti-ACACA (1:2000, ab205883, abcam) antibody. The second western blot was conducted with rabbit polyclonal anti-SNX5 (1:2000, SAB2102260, Sigma-Aldrich, Tokyo, Japan) antibody. Immunoreactive bands were detected using enhanced chemiluminescence (EMD Millipore, Temecula, CA, USA) after incubation with horseradish peroxidase labeled anti-mouse, rabbit, or goat IgG (1:5000, Vector Laboratories, Burlingame, CA, USA). Signals were detected using C-DiGit Blot Scanner (LI-COR) and then band density was assessed with Image Studio DiGit software (version 5.2) [38 (link)]. The whole blot can be found at supplementary materials (Figures S2 and S3).
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