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17 protocols using anti xiap

1

FAIM-L and XIAP Cross-Regulation in Neurons

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FAIM-L overexpression, XIAP down-regulation, and their cross-regulation were tested by immunocytochemistry in infected hippocampal primary cultures. Immunocytochemistry was performed using anti-XIAP (1:500; BD Biosciences), anti-FAIM-L (1:500; in house), and rabbit anti-GFP (1:500; Invitrogen), followed by Alexa 568 and Alexa 488-coupled antibodies (1:500; Invitrogen). In DRG neurons, XIAP, FAIM-L, pan-ERK, NF66 and caspase-3 levels were assessed by Western blot using anti-XIAP (BD Biosciences; 1:20,000), anti-FAIM-L (in house; 1:2,000), anti-pan-ERK (BD Biosciences; 1:20,000), anti-NF66 (Covance; 1:10,000), anti-caspase-3 (Cell Signaling; 1:1,000) and Histone H3 (Thermo Scientific; 1:40,000) antibodies.
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2

Antibody and Chemical Sources for Cell Signaling

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The antibodies and chemicals were obtained from the following resources; anti-PARP (#556362), anti-XIAP (#610716), anti-FADD (#610399), anti-RIP1 (#610459), anti-p53 (#554147) and anti-p21 (#556430) antibodies (BD Biosciences, San Diego, CA, USA); anti-caspase-3 (#9662), anti-caspase-8 (#9746), anti-caspase-9 (#9508) and anti-Bid (#2002) antibodies (Cell signalling Technology, Beverly, MA, USA); anti-caspase-10 (M059-3) antibody (MBL, WOBURN, MA, USA); anti-Bcl-XS/L (sc-271121), anti-survivin (sc-17779), anti-TRAF2 (sc-876), anti-GFP (sc-9996) and anti-HA (sc-805) antibodies (Santa Cruz, CA, USA); anti-c-FLIP (ALX-804-961) antibody (Enzo Life Sciences, Farmingdale, NY, USA); anti-cIAP1/2 (#07-759) antibody (Upstate Biotech, Waltham, MA, USA); anti-DR5 (#ab181846) antibody (Abcam, Cambridge, UK); anti-DR4 (NB100-56528) antibody (Novus, Centennial, CO, USA); anti-TurboGFP (PA5-22688) antibody (Thermo scientific, Waltham, Massachusetts, USA); anti-actin (A2066), anti-flag (F3165, 1:2,000 dilution) antibodies (Sigma-Aldrich, St. Louis, MO, USA). the pan caspase inhibitor Z-VAD-FMK, MG-132, TPCA-1 (Calbiochem, San Diego, CA, USA); recombinant TNF (R & D Systems, Minneapolis, MN, USA); recombinant human TRAIL/Apo2 ligand (Peprotech, Rocky Hill, NJ, USA).
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3

Antibodies and Reagents for Cell Signaling

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Anti-LEFTY, anti-Smad2, and anti-phospho-Smad2 at serine 255 (pSmad2) antibodies were purchased from Abcam (Cambridge, MA, USA). Anti- XIAP, anti-bax, anti-β-catenin, anti-HNF-1β, and anti-p27Kip1 antibodies were bought from BD Biosciences (San Jose, CA, USA). Anti-p21waf1, anti-cyclin D1, anti-p53, anti-bcl2, and anti-Ki-67 antibodies were purchased from Dako (Copenhagen, Denmark). Anti-cyclin A, and anti-cleaved caspase 3 antibodies were from Novocastra (Newcastle, UK), and Cell Signaling Technology (Danvers, MA, USA), respectively. CDDP and the anti-β-actin antibody were purchased from Sigma-Aldrich Chemicals (St. Louis, MO, USA). Recombinant transforming growth factor (TGF)-β1 was purchased from R&D Systems (Minneapolis, MN, USA).
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4

Antibodies for Western Blot Analysis

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Western blot analysis was performed as described previously [17] (link) using the following antibodies: anti-cIAP1 (R&D Systems, Inc., Wiesbaden-Nordenstadt, Germany), anti-cIAP2 (Epitomics, Burlingam, CA), anti-XIAP from BD Biosciences, anti–phospho-p65 from Cell Signaling (Beverly, MA), anti-phospho-IκBα and anti-IκBα (Cell Signaling), anti-β-actin (Sigma), anti-p65, and anti-p52 from Santa Cruz Biotechnology (Santa Cruz, CA). Donkey anti-mouse IgG, donkey anti-rabbit IgG, or donkey anti-goat IgG labeled with IRDye infrared dyes was used for fluorescence detection at 680 or 800 nm (LI-COR Biotechnology, Bad Homburg, Germany).
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5

Antibody-Based Protein Detection Protocol

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Antibodies against β-Actin, Bcl2, p-ERK, ERK, LC3, p62, XIAP, ATG5 and PARP were purchased from Cell Signaling Technology (Danvers, MA, USA). Anti-XIAP and anti-pP27 were purchased from BD Biosciences (San Jose, CA, USA). Anti-Caspase-3 (Active) antibody was purchased from Millipore (Temecula, CA, USA). An anti-ARHI murine monoclonal antibody (ID8) was generated in our laboratory. Doxycycline hyclate (DOX), chloroquine diphosphate salt (CQ), cis-diammine-platinum (II) dichloride (Cisplatin), Z-VAD, Nec-1 and N-acetyl-L-cysteine were purchased from Sigma-Aldrich (St. Louis, MO, USA).
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6

Investigating Cancer Cell Signaling Pathways

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Human renal carcinoma (Caki-1 and A498), human lung cancer (A549), and human breast cancer (MDA-MB361) were procured from American Type Culture Collection (Manassas, VA, USA). Human recombinant TRAIL, zVAD-fmk, and anti-survivin were provided by the R&D system (Minneapolis, MN, USA). MG132, PD98059, AG-490, compound C, and NVP-BEZ235 were supplied from Calbiochem (San Diego, CA, USA). Dexamethasone, cycloheximide, AR-A014418, PP242, BAY11-7082, rapamycin, and anti-actin were provided from Sigma Chemical Co. (St. Louis, MO, USA). Anti-PARP, anti-Bcl-xL, anti-DR5, anti-cIAP1, anti-caspase-8, anti-phospho-GSK3β, and anti-GSK3β were provided by Cell Signaling Technology (Beverly, MA, USA). Anti-Bim, anti-Bax, and anti-XIAP were obtained from BD Biosciences (San Jose, CA, USA). Anti-Mcl-1, anti-Bcl-2, anti-cIAP2, and anti-Cbl were purchased from Santa Cruz Biotechnology (St. Louis, MO, USA). SB203580, SP600125, and anti-c-FLIP(L) were obtained from Enzo Life Sciences (San Diego, CA, USA). Anti-DR4 were obtained from Abcam (Cambridge, MA, USA). pCMV-Myc-Cbl plasmid was a gift from Dr. S. J. Kim (CHA University, Korea). GSK3betaS9A (1016) was a gift from Scott Friedman (Addgene plasmid # 49492; http://n2t.net/addgene:49492; RRID: Addgene_49492) [36 (link)].
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7

Molecular Mechanisms of TRAIL-Induced Apoptosis in Cancer Cells

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Selleckchem supplied R428 and cisplatin (Houston, TX, USA), and R&D system supplied recombinant human recombinant TRAIL and z-VAD-fmk (Minneapolis, MN, USA). Sigma Chemical Co. provided MG132, cycloheximide, carboplatin, oxaliplatin, doxorubicin, and 5-FU (St. Louis, MO, USA). The primary antibodies were as follows: Anti-phospho-Axl (Y702) (Cell Signaling Technology, Beverly, MA, USA), anti-pro-caspase-3 (Cell Signaling Technology), anti-cleaved caspase-3 (Cell Signaling Technology), anti-PARP (Cell Signaling Technology), anti-Bcl-xL (Cell Signaling Technology), anti-DR5 (Cell Signaling Technology), anti-actin (Sigma Chemical Co.), anti-Axl (Santa Cruz Biotechnology, St. Louis, MO, USA), anti-Mcl-1 (Santa Cruz Biotechnology), anti-Bcl-2 (Santa Cruz Biotechnology), anti-cIAP2 (Santa Cruz Biotechnology), anti-Bim (BD Biosciences, San Jose, CA, USA), anti-XIAP (BD Biosciences), anti-survivin (R&D system, Minneapolis, MN, USA), anti-DR4 (Abcam, Cambridge, MA, USA), and anti-c-FLIP (Enzo Life Sciences, San Diego, CA, USA). The siRNAs were as follows: GFP (control) siRNA (Bioneer, Daejeon, Korea), Axl siRNA (Santa Cruz Biotechnology), and DR5 siRNA (Invitrogen).
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8

Protein Expression Analysis Protocol

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The total cell lysates were prepared by resuspending 0.45×106 cells in 20–50 µl of RIPA lysis buffer (50 mM Tris buffer, 20 mM HEPES, 100 mM NaF; 120 mM NaCl, 0.5% Triton X-100, 100 µM Na3VO4, pH 7.6) Total lysates was quantified using a BCA kit (#23225; Thermo Fisher Scientific) according to the manufacturer's protocols. The proteins (30–70 µg) were isolated using 10 or 12% SDS-PAGE gels and electrotransferred onto NC membranes (GE Healthcare). Target proteins were identified using the respective antibodies and Immobilon Western Chemiluminescent HRP Substrate Solution (WBKLS0100; Millipore) and visualized by Davinch-Chemi (CAS-400SM; Davinch-K). Anti-PARP antibody (1:1,000; #9542) and anti-Bax (1:1,000; #2772) were obtain from Cell Signaling Technology. Anti-caspase-3 (1:3,000; ADI-AAP-113) and anti-FLIP (1:700; ALX-804-961-0100) were purchased from Enzo Life Sciences. Anti-Bcl-2 (1:700; sc-7832), anti-Bcl-xL (1:1,000, sc-634), anti-Mcl-1 (1:1,000; sc-12756), anti-cIAP1 (1:1,000; sc-7943), anti-cIAP2 (1:1,000; sc-517317) and anti-β-actin antibody (1:5,000; sc-47778) were supplied by Santa Cruz Biotechnology, and anti-XIAP (1:10,000; 610717) antibody was obtained from BD Biosciences.
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9

Comprehensive Western Blot Analysis of Cell Death Signaling

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Western blot was performed as described [21 (link)]. Primary antibodies used were anti-actin (1:2000 MP Biomedicals C4), anti-caspase-8 (1:300 Cell Signaling #9746 and 1:300, Abcam ab32125), anti-caspase-3 (1:1000 Cell Signaling #9662), anti-caspase-7 (1:400 Cell Signaling #12827), anti-RIP1 (1:500 BD Biosciences 610458), anti-XIAP (1:400 BD Biosciences 610762), anti-cIAP1 (1:200 R&D Systems AF8181), anti-p100/p52 (1:500 Cell Signaling #4882) and anti-c-FLIP (1:400 Cell Signaling #5634). Secondary horseradish peroxidase-labeled antibodies were from GE Healthcare and Dako and were used at 1:5000 dilutions. For the chemiluminescent reaction, Supersignal Substrate (Thermo Scientific) was used. Chemiluminescence was detected with a LAS-1000 CCD camera and Image Reader LAS-1000 Pro v2.6 software (Fujifilm, Tokyo, Japan) or an Amersham Imager 600 (GE Healthcare, Chicago, IL, USA).
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10

Hispolon sensitizes TRAIL-induced apoptosis

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American Type Culture Collection (Manassas, VA, USA) supplied the all cells and the transformed mouse kidney cells (TCMK-1) was a gift from Dr. TJ Lee (Yeungnam University, Korea). The cells were cultured using Dulbecco’s modified Eagle’s medium containing 10% FBS, 20 mM HEPES buffer and 100 μg/mL gentamycin. Hispolon was purchased from ENZO life Science (Farmingdale, NY, USA). The recombinant human TRAIL was purchased from KOMA Biotech (Seoul, Korea). Anti-DR5 (1:700, #8074), Bcl-xL (1:700, #2764), and anti-PARP (1:700, #9542) antibodies were purchased from Cell Signaling Technology (Beverly, MA, USA). Anti-DR4 (1:1,000, ab8414), and anti-cIAP1 (1:700, ab154525), antibodies were purchased from Abcam (Cambridge, UK). Anti-c-FLIP (1:700, ALX-804-961-0100) antibody was obtained from Enzo Life Sciences. Anti-Mcl-1 (1:700, sc-819) and anti-cIAP2 (1:700, sc7944) antibodies were purchased from Santa Cruz Biotechnology (Santa Cruz, CA, USA). Anti-XIAP (1:1,000, 610762) antibody and anti-Bim (1:700, AB17003) antibodies were purchased from BD Biosciences (San Jose, CA, USA). Cyclohexamide and other reagents were purchased from Sigma Chemical Co. (St. Louis, MO, USA).
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