Carefully selected capture antibodies have been spotted in duplicate on nitrocellulose membranes. Cell lysates are diluted and mixed with a cocktail of biotinylated detection antibodies. The sample/antibody mixture is then incubated with the array. Any protein/detection antibody complex present is bound by its cognate immobilized capture antibody on the membrane. Streptavidin-Horseradish Peroxidase and chemiluminescent detection reagents are added, and a signal is produced in proportion to the amount of protein bound. Chemiluminescence is detected in the same manner as a Western blot.
Why Use an Antibody Array to Detect Multiple Proteins?
Determining the expression of multiple Proteins in a single sample can be expensive, time consuming and can require specialized equipment. Performing multiple immunoprecipitations and Western blots requires time, labor, and reagents. The use of a multiplex antibody array to detect multiple proteins in a single sample can be cost-effective and also save time and sample.
4 Array Membranes
Detection Antibody Cocktail, Human NF kappa B Pathway Array
Chemiluminescent Detection Reagents
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Stability and Storage
Reagents are stable for 12 months from date of receipt when stored in the dark at 2° C to 8° C.
Simultaneously detect the levels of these proteins in a single sample.
Daudi Untreated vs. IFN-alpha 2A Treated
Daudi human Burkitt’s lymphoma cells were untreated or treated with 500 U/mL IFN-alpha 2A (R&D Systems, Catalog # 11100-1) for five minutes (1 mg lysate, 10 minute exposure).
HT-29 Untreated vs. TNF-alpha +/- MLN4924 Treatment
HT-29 human colorectal carcinoma cells were untreated or treated with 50 ng/mL recombinant human TNF-alpha (R&D Systems, Catalog # 210-TA) for ten minutes with or without pretreatment with 5 µM MLN4924 (Boston Biochem, Catalog # I-502) for 1 hour (400 µg lysate, 5 minute exposure).
R&D Systems personnel manually curate a database that contains references using R&D Systems products.
The data collected includes not only links to publications in PubMed,
but also provides information about sample types, species, and experimental conditions.
Have you used Proteome Profiler Human NFkB Pathway Array?
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