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8 protocols using anti ercc1

1

Western Blotting Antibody Validation

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Unless otherwise stated the following primary antibodies were used for western immunoblotting, diluted in 5% w/v BSA, 0.1% Tween-20 TBS and incubated at 4 °C overnight with gentle agitation; anti-ERCC1 antibody 1:100 (Santa Cruz Biotechnology, sc-1708), anti-FANCA 1:1,000 (Cell Signaling Technology, D1L2Z), anti-PLZF 1:100 (Santa Cruz Biotechnology, sc-28319), anti-Histone H3 1:5,000 (Abcam, 1791), anti-β-ACTIN 1:3,000 (Abcam, 8227), anti-VINCULLIN 1:2,000 (Abcam, 129002). The following secondary antibodies were diluted in 5% w/v BSA, 0.1% Tween-20 TBS and incubated for 1 hour at room temperature with gentle agitation; Swine anti-rabbit or anti-mouse HRP-conjugated immunoglobulins 1:2,000 (Dako). To demonstrate the absence of ERCC1 in Ercc1-mutant MEFs derived from Ercc1tm1a(KOMP)Wtsi embryos anti-ERCC1 1:1,000 (Cell Signaling Technology, D6G6) was employed, following the same western immunoblotting protocol described previously.
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2

Comprehensive Western Blotting Antibody Panel

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The following antibodies used in Western blotting were purchased from Cell Signaling Technology (Danvers, MA, USA): anti-HA-tag (6E2) (1:1000, #2367, Cell Signaling Technology), anti-p53 (7F5) (1:1000, #2527, Cell Signaling Technology), anti-DDB-1 (D4C8) (1:1000, #6998, Cell Signaling Technology), anti-DDB-2 (D4C4) (1:1000, #5416, Cell Signaling Technology) anti-ERCC1 (1:1000, #3885, Cell Signaling Technology), and anti-XPC (D1M5Y) (1:1000, #14768, Cell Signaling Technology). The Polyclonal anti-KMT4/DOT1L (1:2000, ab72454, Abcam) antibody, anti-XPA (1:2000, ab85914, Abcam), polyclonal di-methylated H3K79 antibody (1:1000, ab3594, Abcam), polyclonal to mono-methylated H3K79 antibody (1:500, ab2886, Abcam), and polyclonal tri-methylated H3K79 antibody (1:1000, ab2621, Abcam) were purchased from Abcam. TFIIH p62 Antibody (1:500, Q-19) was purchased from Santa Cruz Biotechnologies, Inc. Other antibodies include monoclonal Anti-β-Actin-Peroxidase antibody (1:25000, AC-15, Sigma Aldrich), monoclonal ANTI-FLAG® M2 antibody (1:1000, Sigma Aldrich), and anti-H3 (1:500, 865R2, Thermo Fisher Scientific Inc.). Most important uncropped blot images are shown in Supplementary Fig. 11.
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3

Quantitative Protein Analysis in Cells

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Total proteins were obtained from tissue lysates with the RNA/Protein purification Kit (NorBiotek Canada, Thorold, ON, Canada). Additionally, protein extract from cell line were obtained by the RIPA 1× buffer supplemented with Complete® inhibitors cocktail (Roche Applied Science, Mannheim, Germany). Proteins were separated by 10% SDS-PAGE, blotted onto nitrocellulose membranes, and blocked. The membranes were then exposed to mouse anti-Phospho STAT6 (1:1000) or anti-Total-STAT6 (1:1000), anti-SNAI1, anti-ERCC1, or anti-phospho-ERK1/2 and anti-Total ERK 1/2 antibodies (all from Cell Signaling Technology, Danvers, MA, USA). The anti-β-actin monoclonal antibody (Santa Cruz Biotechnology, St. Cruz, CA, USA) was utilized to detect cell actin as the protein load control. Horseradish peroxidase (HRP)-tagged secondary anti-rabbit or anti-mouse antibodies (1:5000) (Jackson Immunoresearch, West Grove, PA, USA) were used for chemiluminescent detection with the ImmobilonTM Western Chemiluminescent HRP Substrate kit (Millipore, Burlington, MA, USA). Chemiluminescence signals were recorded on Alliance Q9 UVITEC imaging device (Cambridge, UK) and densitometric analyses were performed with ImageJ software.
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4

DNA Damage Response Protein Analysis

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Anti-p53 and β-actin were purchased from Santa Cruz Biotechnology (Santa Cruz, CA, USA). Anti-cleaved PARP, caspase-3, caspase-9, cleaved caspase-3, cleaved caspase-9, anti-LC3, anti-ATM, anti-p95/NBS1, anti-Ku70, anti-Ku80, anti-DNA-PKcs, and anti-ERCC1 were purchased from Cell Signaling Technology (Danvers, MA, USA), and anti-γ-H2AX was obtained from Millipore (Billerica, MA, USA).
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5

Molecular Targets in Cancer Research

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Anti-NF-κB, anti-Bcl-2, anti-cyclin A, anti-cyclin B, anti-cyclin E, anti-phospho-Raf-1, anti-Akt, anti-Snail, and anti-β-actin were purchased from Santa Cruz Biotechnology (Dallas, TX, USA). Anti-cleaved PARP, caspase-3, anti-ATM, anti-ATR, anti-Rad50, anti-p95/NBS1, anti-Rad52, anti-MRE11, anti-Ku70, anti-Ku80, anti-DNA-PKcs, anti-ERCC1, anti-Rad51, anti-Ras, anti-MEK1/2, anti-phospho-MEK1/2, anti-Erk1/2, anti-phospho-Erk1/2, anti-phospho-Akt, anti-vimentin, anti-E-cadherin, and anti-MMP9 were purchased from Cell Signaling Technology (Danvers, MA, USA), and anti-γ-H2AX was obtained from Millipore (Billerica, MA, USA). ZOL was purchased from Sigma-Aldrich (St. Louis, MO, USA). For in vitro experiments, ZOL was dissolved in PBS to make a 2 mmol/L stock solution and stored at −20°C.
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6

HeLa Cell Culture and Protein Analysis

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Human cervical carcinoma cell line, HeLa, was cultured in Dulbecco’s Modified Eagle Medium (DMEM) (GIBCO, Carlsbad, CA, USA) supplemented with 10% fetal bovine serum (FBS) and 1% penicillin/streptomycin (Invitrogen, Carlsbad, CA, USA) in glass Petri dishes at 37 °C in a 5% CO2 incubator.
Anti-dCK antibody was purchased from Abcam Inc (Cambridge, MA, USA). Anti-MAPLC3, anti-P-mTOR, anti-P-Akt, anti-P-P70S6K, anti-caspase3, anti-Bcl-2, anti-H2AX and anti-ERCC1 antibodies were purchased from Cell Signaling. Anti-GAPDH was obtained from Santa Cruz Biotechnology (Santa Cruz, CA, USA). The peroxidase-conjugated anti-mouse IgG and peroxidase-conjugated anti-rabbit IgG were purchased at Santa Cruz. fetal bovine serum (FBS), and Cell Counting Kit-8 (CCK-8) was purchased from Dojin Laboratories (Kumamoto, Japan), 3-Methyladenine (3-MA), NH4Cl, Necrostatin-1, Ferrostatin-1, Rapamycin, Spautin-1 and monodansylcadaverine (MDC) were purchased from Sigma Chemical (St. Louis, MO, USA), ZVAD-FMK was purchased from Selleckchem (Houston, TX, USA), and pSUPER retroviral vector was obtained from OligoEngine (Seattle, WA, USA).
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7

Analyzing Cellular Signaling Proteins

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Western blot was performed as described previously. Samples were collected directly in 1X NuPAGE LDS sample buffer with 1X sample-reducing buffer (Invitrogen) and denatured at 95°C for 5 min followed by a centrifugation at 13200 rpm for 5 min. The supernatant was electrophoresed on a 4–12% Tris-HCl gel and transferred to nitrocellulose membranes (Invitrogen). After blocking with Superblock T20 blocking buffer (Thermo Scientific), the membranes were incubated with a primary antibody overnight at 4°C and then with a secondary antibody conjugated with alkaline phosphatase for 1 hour each at room temperature; the signal was detected using a chemiluminescence method. The following primary antibodies were used: anti-p53 (Cell Signaling, 1:1000); anti-phospho-p53 (S15; Cell Signaling, 1:1000); anti-GAPDH (Santa Cruz, 1:10000); anti-ERCC1 (Cell Signaling, 1:1000); and anti-PARP (Cell Signaling, 1:1000).
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8

Western Blotting Antibody Validation

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Unless otherwise stated the following primary antibodies were used for western immunoblotting, diluted in 5% w/v BSA, 0.1% Tween-20 TBS and incubated at 4 °C overnight with gentle agitation; anti-ERCC1 antibody 1:100 (Santa Cruz Biotechnology, sc-1708), anti-FANCA 1:1,000 (Cell Signaling Technology, D1L2Z), anti-PLZF 1:100 (Santa Cruz Biotechnology, sc-28319), anti-Histone H3 1:5,000 (Abcam, 1791), anti-β-ACTIN 1:3,000 (Abcam, 8227), anti-VINCULLIN 1:2,000 (Abcam, 129002). The following secondary antibodies were diluted in 5% w/v BSA, 0.1% Tween-20 TBS and incubated for 1 hour at room temperature with gentle agitation; Swine anti-rabbit or anti-mouse HRP-conjugated immunoglobulins 1:2,000 (Dako). To demonstrate the absence of ERCC1 in Ercc1-mutant MEFs derived from Ercc1tm1a(KOMP)Wtsi embryos anti-ERCC1 1:1,000 (Cell Signaling Technology, D6G6) was employed, following the same western immunoblotting protocol described previously.
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