| Cat. # | Size | Qty. | Price |
|---|---|---|---|
| 28854S | 1 Kit (100 assays) |
|
| Product Includes | Quantity (with Count) | ||||
|---|---|---|---|---|---|
| Firefly Luciferase Reaction Mixture | 1 x 1 ea | ||||
| Cell Lysis Buffer | 1 x 10 ml |
Product Information
Substrate Reagent Preparation:
1. Thaw buffer; equilibrate supplied reagents at room temperature.
2. Reconstitute Firefly Luciferase Reaction Mixture with entire bottle of Cell Lysis Buffer.
3. Mix by gentle inverting.
Directions for Use: Plate cells of interest at specific predetermined cell densities, at 100 μL per well, into the 96-well opaque assay plate. Prepare control wells containing media without cells. It is recommended to run samples in duplicates. Treat cells with compounds of interest and incubate according to desired specifications. Add 100 μL of Firefly Luciferase Reaction Mixture to each well containing cells and media only control wells. Mix contents on an orbital shaker for 2 min, then place on benchtop. Allow the plate to incubate at room temperature for an additional 15 min to stabilize luminescent signal. Obtain results from a plate reader with a Luminometer setting.
Note: Absolute signal may vary by plate reader.
Additional Components Not Supplied:
· White opaque 96-well assay plate (i.e., White MaxiSorp/FluoroNunc 96-well plate, ThermoFisher Scientific #437591)
· Single and multichannel pipettes
· Orbital plate shaker
· Plate reader with Luminometer setting.
Cell viability and proliferation assays are widely used in drug discovery to study growth factors, cytokines, and cytotoxic agents. High throughput screening, in early drug discovery compound screening and in later drug safety and toxicity studies, requires a reliable, sensitive, and simple assay with the ability to analyze a large number of samples. Luminescent cell viability assays using luciferase were developed based on the enzymatic reaction of luciferase oxidizing luciferin, yielding visible light (1). Luciferase isolated from the firefly P. pyralis has been widely used to study cell viability through a multistep reaction that involves ATP (2,3). In contrast to cell proliferation assays, such as radioactive thymidine or BrdU labeling of DNA in live cells followed by quantification of the incorporated thymidine (by quantifying sample radioactivity) or BrdU (using anti-BrdU antibody), the Firefly Luciferase ATP assay does not require radioactive materials, cell fixing, or cell permeabilization. It is a one-step assay procedure requiring the addition of a single reagent directly to cultured cells in growth media; washing and multiple pipetting steps are not necessary.
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