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Amersham ecl chemiluminescence system

Manufactured by GE Healthcare
Sourced in United Kingdom

The Amersham ECL chemiluminescence system is a laboratory equipment used for the detection and quantification of proteins in Western blot analysis. It utilizes chemiluminescent substrates to generate a light signal that is proportional to the amount of target protein present in the sample.

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5 protocols using amersham ecl chemiluminescence system

1

Western Blot Protein Analysis

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Proteins extracted from cells were electrophoresed on 10% SDS-polyacrylamide gels and transferred to Hybond-polyvinylidene difluoride membranes (GE Healthcare UK Ltd., Amersham, UK). The membranes were incubated overnight at 4 °C with primary antibodies against AIF (1:1000, 5318; Cell Signaling Technology, Danvers, MA, USA), E1A (1:1000, 554155; BD Pharmingen, San Jose, CA, USA), p53 (1:1000, 18032; Cell Signaling Technology), and β-actin (1:5000, A-5441; Sigma-Aldrich, St. Louis, MO, USA), followed by incubation with secondary antibodies for 1 h at room temperature. The Amersham ECL chemiluminescence system (GE Healthcare UK Ltd.) was used to detect peroxidase activity of the bound antibody.
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2

Adenovirus E1A Protein Detection

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Proteins extracted from whole-cell lysates were electrophoresed on 10 % SDS–polyacrylamide gels and were transferred to Hybond-polyvinylidene difluoride transfer membranes (GE Healthcare UK Ltd.). The membranes were incubated with primary antibodies against adenovirus type 5 E1A (BD Biosciences, Franklin Lakes, NJ) and β-actin (Sigma-Aldrich), followed by peroxidase-linked secondary antibody. The Amersham ECL chemiluminescence system (GE Healthcare UK Ltd.) was used to detect the peroxidase activity of the bound antibody. Equal loading of samples was confirmed by β-actin analysis.
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3

Western Blot Protein Detection

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Proteins were extracted from whole-cell lysates or nuclear proteins, electrophoresed on polyacrylamide gels and transferred onto membranes. The membranes were incubated with primary antibodies overnight at 4 °C, followed by secondary antibodies 60 min at RT, and then visualized using the Amersham ECL chemiluminescence system (GE Healthcare, IL, USA). Equal loading of the samples was confirmed using β-actin.
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4

Immunoblotting Analysis of Cellular Markers

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Cells were washed with cold phosphate-buffered saline (PBS) and lysed with the SDS buffer. Whole-cell lysates were loaded into each lane of an 8% SDS-polyacrylamide gel and electrophoretically transferred to polyvinylidene difluoride membranes (Hybond-P; GE Health Care, Buckinghamshire, UK). Membranes were incubated with primary antibodies against CD80 (EPR1157; Abcam, Cambridgeshire, UK), CD68 (EPR1392Y; Abcam), CD204 (MSR-A; TransGenic), E-cadherin (Cell Signaling Technology, Danvers, MA, USA), vimentin (Cell Signaling Technology), α-SMA (Abcam), and β-actin (Sigma-Aldrich) overnight at 4 °C. The secondary antibodies used were horseradish peroxidase-conjugated antibodies against rabbit IgG or mouse IgG (GE Healthcare). The blots were visualized using an Amersham ECL chemiluminescence system (GE Healthcare) according to the manufacturer’s protocol.
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5

HER2-ECD Expression in Gastric Cancer Cells

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MKN1, MKN45 and N87 cells (2×105 cells) were seeded into 6-well plates. Cells were washed with cold phosphate buffered saline (PBS) and lysed with the sodium dodecyl sulfate (SDS) buffer. Equivalent amounts of protein from whole cell lysates were loaded into each lane of an 8% SDS-polyacrylamide gel and electrophoretically transferred to Hybond-polyvinylidene difluoride transfer membranes (GE Healthcare UK Ltd.). Membranes were incubated with primary antibodies against HER2-ECD (Thermo Scientific., Yokohama, Japan) overnight at 4°C and visualized using an Amersham ECL chemiluminescence system (GE Healthcare UK Ltd.) according to the manufacturer’s protocol. Equal loading of samples was confirmed by stripping each blot and reprobing with anti-β actin antibody (Sigma-Aldrich). In this experiment, MKN1 and MKN45 cells were infected with Ad/HER2-ECD at a different multiplicity of infection (MOI) (0, 20, 50 and/or 100) for 24 and/or 48 h. Ad/GFP was used as a control adenovirus.
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