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This product is available through the Promega Helix onsite stocking program in a –20°C Helix Freezer. The program offers numerous convenient solutions to meet your lab's needs. Helix Freezers are available in two sizes: 5.7 cubic ft. or 9.7 cubic ft.
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The assay provides a proluminescent caspase-3/7 DEVD-aminoluciferin substrate and a proprietary thermostable luciferase in a reagent optimized for caspase-3/7 activity, luciferase activity and cell lysis. Adding the single Caspase-Glo® 3/7 Reagent in an "add-mix-measure" format results in cell lysis, followed by caspase cleavage of the substrate. This liberates free aminoluciferin, which is consumed by the luciferase, generating a "glow-type" luminescent signal that is proportional to caspase-3/7 activity.
The stabilized luciferase and proprietary buffer system improve assay performance across a wide range of assay conditions, and the assay is less likely to be affected by compound interference unlike fluorescent- or colorimetric-based assays. The Caspase-Glo® 3/7 Assay is designed for use with multiwell plate formats using either purified enzyme or cells in culture and can be multiplexed with other cell-based assays. It also delivers excellent Z'-factor values in cell and purified enzyme models.
Jurkat cells were treated with anti-Fas mAb for 4.5 hours to induce apoptosis or were left untreated. Caspase-Glo® 3/7 Reagent was added directly to the cells in 96-well plates and incubated for 1 hour before recording luminescence. Each point represents the average of 4 wells. The "no cell" blank control value has been subtracted from each.
Using 100μl of Caspase-Glo® Reagent per assay in a 96-well format, Cat.# G8090 provides sufficient reagents to perform 25 assays; Cat.# G8091, 100 assays; Cat.# G8092 and G8093, 1,000 assays. Using 25μl of Caspase-Glo® Reagent per assay in a 384-well format, Cat.# G8090 provides sufficient reagents to perform 100 assays; Cat.# G8091, 400 assays; Cat.# G8092 and G8093, 4,000 assays.
Caspase-Glo® 3/7 Assay Technical Bulletin
PDF (727 KB)
Caspase-Glo® 3/7 Buffer
Caspase-Glo® 3/7 Substrate
PDF (0 B)
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U.S. Pat. Nos. 7,148,030, 7,384,758, 7,666,987 and 8,071,328 and other patents and patents pending.
U.S. Pat. Nos. 6,602,677, 7,241,584, 8,030,017 and 8,822,170 and other patents and patents pending.
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