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Horseradish peroxidase conjugated igg antibodies

Manufactured by Bio-Rad
Sourced in Germany

Horseradish peroxidase-conjugated IgG antibodies are laboratory reagents that consist of immunoglobulin G (IgG) antibodies covalently linked to the enzyme horseradish peroxidase. These conjugated antibodies are used as detection tools in various immunoassay techniques, such as enzyme-linked immunosorbent assays (ELISAs), Western blots, and immunohistochemistry.

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5 protocols using horseradish peroxidase conjugated igg antibodies

1

Protein Expression Profiling in Tissue Engineering

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Lysates for western blot analysis were prepared from scaffolds at 0, 3, 7, 14, and 24 days of culture using Phosphosafe lysis buffer (Novagen, Madison, WI). Equal amounts of protein lysates were subjected to 4–20% (Bio-Rad) SDS-PAGE. Western analysis was carried out with antibodies against phosphorylated-Smad1/5 (p-Smad1/5), total Smad1/5/8, phosphorylated-ERK1/2 (p-ERK1/2), total ERK1/2, phosphorylated-Smad2/3 (p-Smad2/3), total Smad2/3, phosphorylated-p38 (p-p38), total p38, Akt, phosphorylated-Akt (p-Akt) and β-actin followed by 1:4000 dilutions of horseradish peroxidase-conjugated IgG antibodies (Bio-Rad, Hercules, CA) and an enhanced chemiluminescent substrate (Thermo Scientific, Rockford, IL). For detection of p-Smad1/5 and total Smad1/5/8, 40 µg of lysate was loaded per lane. For detection of p-ERK1/2 and total ERK1/2, 60 µg of lysate was loaded per lane. For detection p-p38, total p38, p-Smad2/3, total Smad2/3, 50 µg of lysate was loaded per lane. All primary phospho antibodies were obtained from Cell Signaling Technologies (Beverly, MA) and all primary full length antibodies were obtained from Santa Cruz Biotechnology (Santa Cruz, CA). Imaging was carried out using ImageJ (NIH, Bethesda, MD).
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2

Signaling Pathway Analysis of Cell Scaffolds

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Lysates for western blot analysis were prepared from scaffolds at 7 and 14 days of culture using Phosphosafe lysis buffer (Novagen, USA). Equal amounts of protein lysates were subjected to 4–20% (Bio-Rad) SDS-PAGE. Western blot analysis was carried out with antibodies against phosphorylated-Smad1/5/8 (P-Smad1/5), total Smad1/5/8, phosphorylated-Smad2/3 (P-Smad2/3), total Smad2/3, phosphorylated-p38 (P-p38), total p38, phosphorylated-GSK3β (P-GSK3β), total GSK3β, phosphorylated β-catenin (P-β-catenin), and β-actin followed by 1 : 4000 dilutions of horseradish peroxidase-conjugated IgG antibodies (Bio-Rad) and an enhanced chemiluminescent substrate (Thermo Scientific, Rockford, IL). For detection of P-Smad1/5/8 and total Smad1/5/8, 40 mg of lysate was loaded per lane. For detection P-p38, total p38, P-Smad2/3, total Smad2/3, P-GSK3β, total GSK3β, P-β-catenin, 50 mg of lysate was loaded per lane. All primary phospho antibodies were obtained from Cell Signaling Technology (Beverly, MA), and all primary full-length antibodies were obtained from Santa Cruz Biotechnology (Santa Cruz, CA). Images were analyzed using ImageJ (NIH, Bethesda, MD).
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3

Co-Immunoprecipitation Analysis of Cardiomyocyte Proteins

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Co-immunoprecipitation (Co-IP) experiments were performed as described previously 28 . Lysates from both mouse whole hearts and isolated ventricular cardiomyocytes were prepared in lysis buffer. Determination of total protein was performed by the DC Protein Assay (BioRad, Hercules, CA), after which 1 mg of the supernatants were used for immunopurification. Proteins were resolved in 8% SDSpoly-acrylamide (SDS-PAGE) gel and transferred to a nitrocellulose membrane (BioRad, Hercules, CA). Blots were probed with primary antibodies against RyR2 (C3-33, Sigma-Aldrich), N-cadherin (H-63, sc-7939; Santa Cruz Biotechnology, Heidelberg, Germany), Cx43 (AB0016) and Calnexin (AB0041, Sicgen), followed by appropriate horseradish peroxidase-conjugated IgG antibodies (BioRad). The proteins of interest were visualized by chemiluminescence using a VersaDoc system (Bio-Rad).
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4

Quantifying Smad and MAPK Signaling in 3D Scaffolds

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Lysates for western blot analysis were prepared from scaffolds at 0, 3, 14, and 24 days of culture using Phosphosafe lysis buffer (Novagen, Madison, WI). Equal amounts of protein lysates were subjected to 4–20% SDS-PAGE (Bio-Rad, Hercules, CA). Western analysis was carried out with antibodies against phosphorylated Smad1/5 (p-Smad1/5), total Smad1/5/8, phosphorylated ERK1/2 (p-ERK1/2), total ERK1/2, phosphorylated Smad2/3 (p-Smad2/3), total Smad2/3, phosphorylated p38 (p-p38), total p38, and β-actin followed by 1:4000 dilutions of horseradish peroxidase-conjugated IgG antibodies (Bio-Rad, Hercules, CA) and an enhanced chemiluminescent substrate (Thermo Scientific, Rockford, IL). For detection of p-Smad1/5 and total Smad1/5/8, 40 μg of lysate was loaded per lane. For detection of p-ERK1/2 and total ERK1/2, 60 μg of lysate was loaded per lane. For detection p-p38, total p38, p-Smad2/3, total Smad2/3, 50 μg of lysate was loaded per lane. All primary phospho antibodies were obtained from Cell Signaling Technologies (Beverly, MA) and all primary full length antibodies were obtained from Santa Cruz Biotechnology (Santa Cruz, CA). Imaging was carried out using ImageJ (NIH, Bethesda, MD).
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5

Quantifying Signaling Pathway Dynamics

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Lysates for western blot analysis were prepared from scaffolds at 0, 3, 7, 14, and 21 days of culture using Phosphosafe lysis buffer (Novagen, Madison, WI). Equal amounts of protein lysates were subjected to 4–20% SDS-PAGE (Bio-Rad, Hercules, CA). Western analysis was carried out with antibodies against phosphorylated-Smad1/5 (p-Smad1/5), total Smad1/5/8, phosphorylated-ERK1/2 (p-ERK1/2), total ERK1/2, phosphorylated-Smad2/3 (p-Smad2/3), total Smad2/3, phosphorylated-p38 (p-p38), total p38, and β-actin followed by 1:4000 dilutions of horseradish peroxidase-conjugated IgG antibodies (Bio-Rad, Hercules, CA) and an enhanced chemiluminescent substrate (Thermo Scientific, Rockford, IL). All primary phospho and full length antibodies were obtained from Cell Signaling Technologies (Beverly, MA) except Smad1/5/8, which was obtained from Santa Cruz Biotechnology (Santa Cruz, CA). Imaging was carried out using ImageJ (NIH, Bethesda, MD).
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