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Odyssey classic imager

Manufactured by LI COR
Sourced in United States

The Odyssey Classic imager is a fluorescence imaging system designed for gel and Western blot analysis. It employs infrared fluorescence detection to enable quantitative, highly sensitive imaging of a variety of biomolecules, including proteins, nucleic acids, and small molecules. The system is capable of two-color detection, allowing for simultaneous visualization and quantification of multiple targets.

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22 protocols using odyssey classic imager

1

Western Blot Analysis of Cellular Proteins

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Lysates were resolved on SDS-PAGE and transferred to nitrocellulose membranes. Membranes were incubated with anti-vinculin (Sigma, 1:10000), anti-ATP6V1A (Abnova, 1:1000), anti-ATP6V0a3 (Novus, Centennial, CO; 1:1000), anti-FLAG (Sigma, 1:2000), anti-GFP (Cell Signaling, 1:1000), anti-T7 (Novagen, 1:10000), anti-tubulin (Sigma, 1:10000), anti-Rac1 (BD Transduction Laboratories, 1:1000), anti-AKT (Cell Signaling, 1:1000), anti-pAKT (S473) (Cell Signaling, 1:500), anti-ERK2 (EMD Millipore, 1:2000), anti-pERK1/2 (Cell Signaling, 1:1000), anti-SLC4A7 (Santa Cruz, 1:200), or anti-KRas (Santa Cruz, 1:500) primary antibodies followed by Alexa Fluor 680 goat anti-mouse IgG (Life Technologies, 1:10000) or IRDye 800CW goat anti-rabbit IgG (Li-Cor, 1:10000) secondary antibodies. Blots were analyzed using an Odyssey Classic imager (Li-Cor).
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2

Immunoblotting with Tubulin and AML1

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Primary antibodies included a mouse anti-α-tubulin (1:10,000) antibody (12G10, Developmental Studies Hybridoma Bank, University of Iowa, Iowa City, IA) and a previously described rabbit anti-AML1 (1:500) antibody generated by Covance[23 (link)]. Licor (Lincoln, NE) IRDye 680RD goat anti-mouse IgG and IRDye 800CW goat anti-rabbit IgG secondary antibodies (1:10,000) were used for visualization on a LI-COR Odyssey Classic imager. Image analysis and densitometry were performed using the LI-COR Application Software Version 3.0.
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3

Western Blot Analysis of Protein Lysates

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Cells were collected and then lysed using 8 M urea and 100 mM ammonium bicarbonate on ice. Lysate protein concentrations were measured by micro BCATM protein assay kit (Thermo Scientific, USA). After normalization, equal amounts of proteins diluted in 1x LDS loading buffer containing 0.1 M DTT were boiled for 10 minutes at 95°C prior to electrophoresis. After gel electrophoresis, proteins were then transferred onto a nitrocellulose membrane using iBlot 2 Dry Blotting System (Thermo Scientific, USA), blocked with 5% skim milk in 1x TBST for 1 hour at room temperature and then incubated overnight at 4°C with primary antibodies. Following membrane washing, secondary antibodies IRDye 800 goat-anti-rabbit (Li-COR Biosciences, USA) or IRDye 800 goat-anti-mouse (Li-COR Biosciences, USA) were added for 1 hour at room temperature and washed three times with 1x TBST. The blot was then imaged with the Odyssey Classic Imager (Li-COR Biosciences, USA).
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4

Western Blot Analysis Protocol

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Samples were separated by an 8% SDS-PAGE. Proteins were transferred to a nitrocellulose membrane (Protan BA85, 0.45 μm, GE Healthcare) at 300 mA for 2.5 h. The membranes were blocked in 5% milk (skim milk powder, LP0031, Oxiod) in 1× PBS (P1379, Sigma-Aldrich), incubated with a primary antibody diluted in 5% milk in 0.1% PBS-Tween 20 (PBST) for 1 h, washed three times for 10 min in 0.1% PBST, incubated with the secondary antibody diluted in 5% milk in 0.1% PBST for 30 min, and washed three times again in 0.1% PBST. The signal was detected using direct imaging by the Odyssey Classic imager (LI-COR). Intensity of bands was quantified using the Image Studio software. Unmodified blots corresponding to key experiments presented in Figs. 18 can be found in Supplementary Figs. 10 and 11.
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5

Western Blot Protein Detection Protocol

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After proteins were transferred to a
nitrocellulose membrane at 300 mA for 2.5 h, the membranes were blocked
with 5% milk in PBS and incubated with primary antibody diluted in
5% milk in 0.1% PBS-Tween 20 (PBST) for 1 h at RT. After washing with
0.1% PBST three times for 10 min, proteins were incubated with secondary
antibodies diluted in 0.1% PBST for 30 min and washed three times
again in 0.1% PBST. The signal was detected using direct imaging using
an Odyssey Classic imager (LI-COR).
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6

Western Blot Analysis of AVICs and AVs

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AVICs and human AVs were lysed in RIPA buffer or PBS, respectively, supplemented with benzonase, sodium orthovanadate, and protease inhibitor. Lysates were denatured using SB at 100°C for 5 minutes, then 10-15 μg was loaded into 15 cm 10% acrylamide gels and run at 150V for 1 hour and 45 minutes. Membrane transfer was performed at 80V for 1 hour and 45 minutes. Membranes were blocked in TBST + 5% BSA and stained in primary antibody overnight at 4°C. Membranes were then stained with fluorescent secondary antibody and imaged on an Odyssey Classic imager (Li-Cor). Quantification was performed in Image Studio Lite (Li-Cor).
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7

Immunoblot detection of caspase-1 and tissue factor

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For detection of active caspase-1 and TF by Immunoblot, cells were washed with cold PBS and lysed with SDS sample buffer. Culture supernatants were precipitated with 1/10 volume of 2% sodium cholate and 1/10 volume of 100% trichloroacetic acid (TCA), and then dissolved in SDS sample buffer. Total protein from lysates and supernatants (equivalent to 5 ×104 cells) was analyzed by fluorescent Immunoblot for multiplex detection. TF was detected using anti-tissue factor (Abcam, Cat#ab151748, rabbit monoclonal) at 1:1000 dilution. Both pro-caspase-1 and p20 caspase-1 were determined using anti-caspase-1(p20) (Adipogen, Cat#AG-20B-0042-C100 for mouse BMDMs, AG-20B-0048-C100 for THP-1 cells) at 1:1000 dilution. IL-1β (p17) was detected using anti-IL-1β (GeneTex Cat#GTX74034). Tissue factor and caspase-1 were visualized on the same blot in the 800 nm (IRDye 800CW) and 700 nm (IRDye 680RD) channel, respectively, with LI-COR Odyssey Classic Imager. Plasma fibrinogen (equivalent to 0.03 μl of plasma) was detected using anti-fibrinogen (Dako Cat#A0080, rabbit polyclonal) at 1:3000 dilution, and imaged in the 800 nm (IRDye 800CW) channel. Tissue fibrin was detected using anti-fibrin (59D8) at 1 μg/ml and imaged in the 700 nm (IRDye 680RD) channel.
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8

Western Blot Analysis of Cellular Proteins

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Lysates were resolved on SDS-PAGE and transferred to nitrocellulose membranes. Membranes were incubated with anti-vinculin (Sigma, 1:10000), anti-ATP6V1A (Abnova, 1:1000), anti-ATP6V0a3 (Novus, Centennial, CO; 1:1000), anti-FLAG (Sigma, 1:2000), anti-GFP (Cell Signaling, 1:1000), anti-T7 (Novagen, 1:10000), anti-tubulin (Sigma, 1:10000), anti-Rac1 (BD Transduction Laboratories, 1:1000), anti-AKT (Cell Signaling, 1:1000), anti-pAKT (S473) (Cell Signaling, 1:500), anti-ERK2 (EMD Millipore, 1:2000), anti-pERK1/2 (Cell Signaling, 1:1000), anti-SLC4A7 (Santa Cruz, 1:200), or anti-KRas (Santa Cruz, 1:500) primary antibodies followed by Alexa Fluor 680 goat anti-mouse IgG (Life Technologies, 1:10000) or IRDye 800CW goat anti-rabbit IgG (Li-Cor, 1:10000) secondary antibodies. Blots were analyzed using an Odyssey Classic imager (Li-Cor).
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9

Quantitative Western Blot and DNA Damage Assay

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Cells were seeded into 12-well format (250.000 cells/well), treated
with indicated drugs at 10 μM for 2 h. Subsequently, drugs were
removed by extensive washing and cells were collected and processed
immediately for the assays. For Western blot, cells were lysed directly
in SDS-sample buffer (2% SDS, 10% glycerol, 5% β-mercaptoethanol,
60mM Tris–HCl pH 6.8 and 0.01% bromophenol blue). Samples were
separated by sodium dodecyl sulphate-polyacrylamide gel electrophoresis
(SDS-PAGE) and transferred to a PVDF membrane (Immobilon-P, 0.45 μm,
Millipore). Blocking of the filters and antibody incubations were
done in PBS supplemented with 0.1 (v/v)% Tween and 5% (w/v) milk powder
(Skim milk powder, LP0031, Oxiod). Blots were imaged by the Odyssey
Classic imager (Li-Cor). Intensity of bands was quantified using ImageJ
or Image Studio software. For CFGE: DNA double strand breaks were
quantified by constant-field gel electrophoresis as described.28 (link) Images were quantified using ImageJ software.
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10

Western Blot Analysis of PARK7 and UCHL1

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The following antibodies were used for detection
of endogenous protein by Western blot analysis in a 1:1000 dilution:
rabbit anti-PARK7 (Abcam, Cat# ab18257) and rabbit anti-UCHL1(Abcam,
Cat# ab27053). Mouse anti-β-actin (Sigma-Aldrich, Cat# A5441)
was used as a loading control in a 1:10,000 dilution for the Western
blot analysis. Secondary IRDye 800CW goat anti-rabbit IgG (H + L)
(Li-COR, Cat# 926-32211, 1:5000) and IRDye 680LT goat anti-mouse IgG
(H + L) (Li-COR, Cat# 926-68020, 1:20,000) were used for detection
using an Odyssey Classic imager (LI-COR).
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