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6 protocols using anti rgs his

1

Western Blot Analysis of Cellular Proteins

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SDS-PAGE was performed using 8% and 12.5% acrylamide gels. For the Western blotting procedure, 0.2 μm nitrocellulose membranes were used. Following protein transfer to membranes, these were blocked in 5% fat-free milk powder, 5 mM NaN3 and 0.1% Tween-20 in PBS.
Antibodies and their sources were: anti-HA (Roche, 15645900), anti-Cdc48 (own production), anti-α-tubulin (Abcam, YL1/2 MA1-80017), anti-Pma1 (Abcam, 40B7 Ab4645), anti-RGS-His (Qiagen, 34610), anti-Vinculin (Sigma, hVIN1 V9264), anti-GAPDH (Cell signalling technology, 14C10 2118), anti-Na/K ATPase α-1 (Merck, C464.6 05–369), anti-Hsp105 (HSPH1, Abcam, Ab108625), anti-HSPA4 (Abcam, Ab185219), anti-Ubiquitin (Dako, Z0458), anti-Myc (Chromotek, 9E1 9e1-100), anti-Rpn1 (Enzo Life Sciences, p112-1 PW9270), anti-20S α-subunits (Enzo Life Sciences, MCP231 PW8195), anti-Hsp70 (Invitrogen, 5A5 MA3-007), anti-Aspartoacylase (Thermo Scientific, PA5-29180), anti-GFP (Chromotek, 3H9 3h9-100). Secondary antibodies and their sources were: HRP-anti-rat (Invitrogen, 31470), HRP-anti-mouse (Dako, P0260), HRP-anti-rabbit (Dako, P0448).
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2

Western Blot Analysis of DNA Repair Proteins

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Proteins were separated on 7 cm x 8 cm 8% acrylamide gels and subsequently transferred to 0.2 μm nitrocellulose membranes. Membranes were blocked in PBS containing 5% fat-free milk powder and 0.1% Tween-20. Membranes were then probed with the indicated antibodies overnight.
Antibodies and their sources were: anti-human MSH2 (CalBiochem), anti-human MSH6 (BD Biosciences), anti-human MSH3 (Abcam), anti-RGSHis (Qiagen), anti-HDAC6 (Cell Signaling Technology), anti-tubulin (Sigma) and anti-β-actin (Sigma). All secondary antibodies were purchased from DAKO.
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3

Western Blot Analysis with SDS-PAGE Separation

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SDS-PAGE was performed with either 8% or 12.5% acrylamide gels. For the subsequent Western blotting, 0.2 μm nitrocellulose membranes (Advantec, Toyo Roshi Kaisha Ltd.) were used. The membranes were blocked in PBS containing 5% fat-free milk powder, 0.1% Tween-20 and 5 mM NaN3 for at least 30 min. Incubation with the primary antibodies, all diluted in PBS containing 5% BSA and 0.1% Tween-20, was performed overnight at 4 °C. Primary antibodies used for this study were: anti-HA (Roche, 1:3000, 11867423001), anti-RGS-His (Qiagen, 1:2000, 34610), anti-Myc (ChromoTek, 1:1000, AB_2631398), anti-Vinculin (Sigma, 1:2000, V9264), anti-α-tubulin (Merck, 1:1000, TAT-1 00020911), anti-GFP (ChromoTek, 1:1000, 3H9), anti-RFP (ChromoTek, 1:1000, 6G6). The secondary antibodies were: HRP-antimouse IgG (Dako, 1:5000, P0260), HRP-antirat IgG (Thermo Fisher Scientific, 1:5000, 31470). The blots were developed using Amersham ECL detection reagent (GE Healthcare) and a ChemiDoc Imaging System (BioRad).
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4

Western Blotting Optimization Protocol

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Unless otherwise stated whole cell extracts were prepared by lysing cells directly in SDS sample buffer. SDS-PAGE was performed on 12.5% acrylamide gels. For Western blotting 0.2 μm nitrocellulose membranes were used. For blocking, the membranes were incubated in 5% fat-free milk powder and 0.1% Tween-20 in PBS. Antibodies and their sources were: anti-ubiquitin (Z0458, DAKO), anti-Rpt6 (p45-110, Enzo Biosciences), anti-20S proteasome α-subunits (MCP231, Enzo Biosciences), anti-FLCN (D14G9, Cell Signaling Technology), anti-GFP (3H9, Chromotek), anti-myc (9E1, Chromotek) anti-HA (12CA5, Roche), anti-Flag (M2, Sigma), anti-RGSHis (34650, Qiagen), anti-β-actin (AC74, Sigma), anti-NaK-ATPase (C464.6, Sigma), anti-LC3A/B (D3U4C, Cell Signaling Technology), anti-GAPDH (14C10, Cell Signaling Technology), anti-α tubulin (TAT-1, 00020911 Sigma). All secondary antibodies were purchased from DAKO. The Un-Scan-It v6.1 software (Silk Scientific) was used for densitometry.
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5

Generation and characterization of Bmi1 variants

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Flag-Bmi1 (WT or K88R) and Flag-GFP-Bmi1 (WT or K88R) were generated using standard cloning procedures. K88R mutation was introduced into Bmi1 by site directed mutagenesis using QuikChange Site-Directed Mutagenesis Kit (Agilent California, USA). HA-SUMO1, HA-UBC9, RGS-SENP1 and RGS-SENP1m were previously described45 (link)48 (link). Anti-FLAG (mouse; #F1804) and anti-HA(mouse; #H3663) antibodies were from Sigma; anti-RGS-his (mouse; #34610) antibody from QIAGEN; anti-H-Ras (mouse; #sc-53959) and p16Ink4a (mouse; #sc-1661) antibodies from Santa Cruz; anti-SUMO1 (rabbit; #ab5316), H3K27me3 (mouse; #ab6002) and p19Arf (rabbit; #ab80) antibodies from Abcam; anti-Bmi1 (mouse; #05–637), γH2AX (mouse; #05–636) and uH2AK119 (mouse; #05–678) antibodies from Millipore.
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6

Western Blot Analysis of Protein Expression

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Whole-cell lysates, prepared from 1 × 10 6 cells with urea lysis buffer (8 mol/L urea, 0.5% Triton X-100, 10 mmol/L dithiothreitol) supplemented with protease inhibitors (Mini Complete Cocktail Tablet, Roche Diagnostics) were separated by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE), transferred to nitrocellulose membrane (Amersham Protran, 0.45 μm). Membranes were incubated overnight at 4°C with primary antibodies diluted in 5% bovine serum albumin/1 × Tris-buffered saline (TBS). Primary specific antibodies were purchased from Santa Cruz Biotechnology (anti-SZF1/ZNF589 S-14 sc-100263 and E-17 sc-100261), Abcam (anti-SZF1/ZNF589 ab121173 and ab179541), Cell Signaling Technologies (anti-BCL2 cs-2876, anti-β-actin cs-4970, anti-HIF1α cs-3716, anti-cleaved caspase-3 cs-9661), and Qiagen (anti-RGS-His). After incubation with secondary antibodies (anti-rabbit or anti-mouse horseradish peroxidase, Santa Cruz Biotechnology), blots were washed and signals visualized through chemiluminescence using the Western Lightning Plus-ECL kit from Perkin Elmer.
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