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Odyssey nitrocellulose membrane

Manufactured by LI COR
Sourced in United States, Niger

The Odyssey Nitrocellulose Membrane is a product designed for use in Western blot analysis. It is a thin, porous membrane made of nitrocellulose material that allows for the efficient transfer and immobilization of proteins from a gel to the membrane surface. The membrane facilitates the detection and quantification of specific proteins using fluorescent-based detection methods.

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47 protocols using odyssey nitrocellulose membrane

1

Immunoblotting Analysis of Sigma-1 Receptor and IP3R3 in Rat and Mouse Cells

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Whole-cell lysates obtained from rat nucleus accumbens and NG108-15 cells (mouse neuroblastoma x rat glioma) were separated on Mini-PROTEAN TGX 4–20% gels (Bio-Rad, Hercules, CA) by SDS-PAGE followed by immunoblotting. Proteins were transferred to an Odyssey nitrocellulose membrane (Li-Cor Biosciences; Lincoln, NE). After blocking with Odyssey blocking buffer, the membranes were incubated overnight with primary antibody against σ1R (rabbit polyclonal, 1:100, OriGene Technologies, Rockville, MD), or IP3R3 (mouse monoclonal, 1:1,000, BD Biosciences, San Jose, CA). An antibody against β-actin (mouse monoclonal, 1:10,000; Sigma Aldrich) was used to confirm equal protein loading. Membranes were washed with Tris-buffered saline-Tween 20 (TBST) and incubated with the secondary antibodies: IRDye 800CW conjugated goat anti-rabbit IgG, and IRDye 680 conjugated goat anti-mouse IgG (1:10,000, 1 h at room temperature). Membranes were then washed in TBST and scanned using Li-Cor Odyssey Infrared and Odyssey V.3 software.
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2

Dot-blot Quantification of ATX3 and PNPase

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The 5 μL of TE samples were diluted in 100 μL final volume of Sample Buffer, and then were boiled for 10 min and vacuum filtered in 48-well dot-blot apparatus through Odyssey nitrocellulose membrane (LI-COR, Lincoln, NE, USA). ATX3 variants and PNPase proteins were revealed using anti-AT3 Z46 (1:5000) rabbit polyclonal and anti-PNPase (1:150,000) rabbit polyclonal antibodies. Dot density was quantified using Image Studio™ software (LI-COR, Lincoln, NE, USA).
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3

Western Blot Analysis of Bag Proteins

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Cells were washed with PBS (Sigma-Aldrich, St. Louis MO) twice and lysed in RIPA buffer. Cells were then passed through a 26 gauge needle to break them up completely. Unbroken cells and cell debris were removed by centrifugation and supernatant was used as total cell lysate for Western blots. Protein concentration was determined by the Bradford method (bioWorld, Columbus OH). Equal amounts of proteins were separated on SDS-PAGE and transferred to Odyssey Nitrocellulose membrane (Li-Cor, Lincoln NE) by wet transfer (Bio-Rad, Philadelphia PA). Membranes were blocked with Odyssey blocking buffer (Li-Cor) for 1h at room temperature and probed with primary antibody for overnight at 4°C with rocking. The membranes were further washed thrice with PBST and then probed with respective secondary antibody for 1h at room temperature. Signal was detected by an Odyssey scanner after washing twice with PBST. The following primary antibodies were used for Western blotting: Bag1, Bag2, Bag4 (Novus Biologicals, Littleton CO), Bag3 (Protein Tech, Chicago IL), Bag6 (R&D system, Minneapolis MN), CHOP, GRP78, Bag5 (Abcam, Cambridge MA) PDI, pELFα, ELFα (Cell Signaling, Danvers MA).
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4

GPR55 Protein Expression Analysis

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Whole-cell lysates of RBMVEC and rat cerebral cortex were separated on Mini-PROTEAN TGX 4–20% gels (Bio-Rad, Hercules, CA) by SDS-PAGE followed by immunoblotting as previously described (Altmann et al., 2015 (link), Brailoiu et al., 2016 (link)). Proteins were transferred to an Odyssey nitrocellulose membrane (LI-COR Biosciences, Lincoln, NE). After incubation with blocking buffer, membranes were incubated overnight with primary antibody against GPR55 (rabbit polyclonal against the N-terminus of rat GPR55 (1:1000, cat # ADI-905-900; Enzo Life Sciences, Inc., Farmingdale, NY). An antibody against β-actin (mouse monoclonal, 1:10,000; cat # A5441, Sigma-Aldrich) was used to confirm equal protein loading. Membranes were washed with Tris-buffered saline-Tween 20 (TBST) and incubated with the secondary antibodies: IRDye 800CW conjugated goat anti-rabbit IgG (1:10,000, Cat # 926-32211, LI-COR) and IRDye 680 conjugated goat anti-mouse IgG (1:10,000, Cat # 926-32220, LI-COR) for 1 h at room temperature. Membranes were then washed in TBST and scanned using a LI-COR Odyssey Infrared Imager. Densitometric analysis was performed using Odyssey V.3 software (LI-COR).
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5

Western Blot Analysis of Neuronal Proteins

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Neurons in culture were washed with PBS twice and lysed in RIPA buffer (50 mM Tris–HCl, pH 7.5, 150 mM NaCl, 0.5% NP40, 1:100 protease inhibitor cocktail (Calbiochem, San Diego, CA), plus mammalian protease inhibitor cocktail (Sigma-Aldrich, MO, USA). The protein concentration was determined by the Bradford method (BioWorld, Columbus, OH). Equal amounts of proteins were separated on SDS-PAGE and transferred to Odyssey nitrocellulose membrane (Li-Cor, Lincoln, NE) by wet transfer (Bio-Rad, Philadelphia, PA). The following primary antibodies were used for western blotting: anti-GPCR GPR7 antibody for NPBWR1 detection (1:1,000, Abcam, Cambridge, MA), anti-GAPDH (1:2,000, Santa Cruz, sc-32233), anti-BCL-2 antibody (1:1000, Santa Cruz, sc-7382), anti-BAG3 antibody (1:1000, Proteintech, 10599-1-AP), anti-p62 antibody (1:1000, Proteintech, 18420-I-AP), anti-LC3 antibody (1:1000, Cell signaling, 3868), anti-ß3 tubulin antibody (1:1000, Santa Cruz,), anti-cleaved-caspase-3 antibody (1:1000, Cell signaling, 9661), anti-MCU (1:1000, abcam, ab121499).
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6

Western Blot Analysis of Pax6 Protein

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Cells were lysed directly in the NuPAGE® LDS Sample Buffer (NP0007, Life Technologies) with DTT. Samples were run on NuPAGE Novex 4–12% Bis-Tris gels (NP0322, Life Technologies), and blotted onto the Odyssey nitrocellulose membrane (LI-COR Biosciences, Lincoln, NE). Membranes were blocked for 1 hour in room temperature using Odyssey blocking buffer (LI-COR Biosciences). Primary and secondary antibodies were diluted in the blocking buffer, and membranes were incubated at room temperature for at least 1 hour. Washing was done after each antibody incubation 5 times for 5 minutes in TBS containing 0.1% Tween-20. Membranes were incubated with IRDye Coupled secondary antibodies, and images were acquired with the Odyssey Sa Infrared Imaging System (LI-COR Biosciences).
Antibodies used were rabbit polyclonal anti-Pax6 antibody 1:1200 (AB2237, Merck Millipore), rabbit anti-Actin 1:2000 (A2066, Sigma-Aldrich), anti-rabbit 800 CW 1:10 000 (#926-32214 and #926-32213, LI-COR Biosciences). Molecular weight markers used were SeeBlue Plus2 Prestained Standard (Invitrogen) and MagicMark XP Western Protein Standard (Invitrogen).
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7

Quantification of Feline Cerebral Cortex Proteins

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Samples of feline cerebral cortex (5–10 mg) were homogenized in 400 μl of RIPA buffer (PIERCE, ThermoFisher, Waltham, MA, USA) with a hand-held micro-pestle for 30 sec, followed by passage through a 25G needle and kept on ice for 20 min. After centrifugation at 16,200 ×g for 30 min at 4°C, the soluble fraction was transferred to a new tube and total protein concentration was determined by DC protein assay (Bio-Rad, Hercules, CA, USA). Following quantification, 33 μg of protein sample were mixed with 4× Laemmli sample buffer (Bio-Rad) containing 400mM Dithiothreitol. Protein fractions were separated with 18% sodium dodecyl sulfate polyacrylamide gel electrophoresis, and transferred to Odyssey® nitrocellulose membrane (Li-Cor, Lincoln, NE, USA), blocked in LI-COR Odyssey blocking buffer (Lincoln, NE) for 1 h, and incubated with rabbit polyclonal anti-PEA-15 (C-terminal amino acids 93–123 of Human PEA15) antibody ab135694 (Abcam, Cambridge, UK) at a concentration of 1:100 and anti-GAPDH antibody (MAB374, EMD Millipore, Burlington, MA, USA) at a concentration of 1:500. Secondary antibodies (1:15,000) were IRDye®680RD Goat anti-Rabbit IgG (H+L, Li-Cor) and IRDye®800CW Goat anti-Mouse IgG (H+L, Li-Cor), respectively. The fluorescent signal was detected using Odyssey® Infrared imaging system (Li-Cor).
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8

Quantifying Cellular Protein Levels

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3D Matrigel samples were dissolved in Lysis Buffer 6 (R&D Systems, Minneapolis, MN) with protease & phosphatase inhibitors (Thermo Scientific, Rockford, IL). One Pl of each sample was spotted onto a LI-COR Biosciences Odyssey Nitrocellulose Membrane (LI-COR Biosciences, Lincoln, NE). The dot blot was then stained for Monoclonal Anti-β-Actin-Peroxidase antibody produced in mouse (Sigma Aldrich, St. Louis, MO) overnight at a dilution ratio of 1:50,000. Then, after sufficient washing the following day, the blot was coated with 2 ml of Pierce ECL Western Blotting Substrate (Thermo Scientific, Rockford, IL). Chemiluminescent detection imaging was then conducted using the Chemi exposure setting on a Li-Cor Odyssey FC machine (LI-COR Biosciences, Lincoln, NE) and then quantified using Image Studio software (LI-COR Biosciences, Lincoln, NE).
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9

Monitoring ATX3-Q55 Protein Production by Western Blot

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The production of ATX3-Q55 was monitored by WB analysis. Crude extracts were obtained from aliquots of OD600 ~ 4 of cells collected at different growth times according to the procedure previously described [28 (link)] and denatured in the Laemmli buffer as previously described. A preliminary SDS-PAGE analysis was carried out to determine the amount of crude extracts used for WB analysis. Comparable amount of crude extracts (~ OD600: 0.20) was loaded on 12% SDS-PAGE and then blotted on Odyssey nitrocellulose membrane (LI-COR Biosciences, Lincoln, NE, USA) using the Mini Protean electroblotting system (Bio-Rad, Hercules, CA, USA) and Towbin transfer buffer (25 mM Tris, 192 mM glycine, 20% (v/v) methanol, pH 8.3) (constant current 400 mA for 2 h at 4 °C). Rabbit polyclonal primary anti-AT3 Z46 (1:5000) and anti-PNPase (1:150,000) antibodies were diluted in 5% milk and incubated overnight; anti-rabbit fluorescent IRDye® 800CW (LI-COR Biosciences, Lincoln, NE, USA) was used as a secondary antibody for both primary antibodies. Signal quantification was carried out using Image Studio software (LI-COR Biosciences, Lincoln, NE, USA). The experiment was performed in triplicate.
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10

Phospho-Erk1/2 Detection in CTLL2 Cells

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Protein lysate from CTLL2 cells (ATCC) cells was prepared using RIPA buffer (Thermo Fisher Scientific) and 20 μg of protein per sample were separated on a NuPAGE 4–12% Bis-Tris Protein gel (Thermo Fisher Scientific) and blotted onto a 0.22 μm Odyssey nitrocellulose membrane (LI-COR). Phospho Erk1/2 was detected using a pErk antibody Thr202/204 #9101 (Cell Signaling Technology).
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