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ApoLive-Glo™ Multiplex Assay, Promega
Supplier: Promega
G6410
G6411
PAG6411EA
1943.23
USD
PAG6411
PAG6410
ApoLive-Glo™ Multiplex Assay, Promega
Assays
Enzyme Assays
The ApoLive-Glo Multiplex Assay measures both the number of viable cells as a marker of cytotoxicity and caspase activation as a marker of apoptosis within a single assay well to determine the mechanism of cell death.
- Measure Viability and Apoptosis in the Same Sample Well
- Accurately determine mechanism of cell death in less time, with less sample
- Easy to implement using a simple sequential 'add-mix-measure' protocol
- Adaptable to meet various throughput needs
The ApoLive-Glo Multiplex Assay measures both the number of viable cells as a marker of cytotoxicity and caspase activation as a marker of apoptosis within a single assay well to determine the mechanism of cell death. The first part of the assay measures the activity of a protease marker of cell viability. The live-cell protease activity is restricted to intact viable cells and is measured using a fluorogenic, cell-permeant, peptide substrate (glycyl-phenylalanyl-amino fluorocoumarin; GF-AFC). The substrate enters intact cells, where it is cleaved by the live-cell protease activity to generate a fluorescent signal proportional to the number of living cells. This live-cell protease becomes inactive upon loss of cell membrane integrity and leakage into the surrounding culture medium. The second part of the assay uses the Caspase-Glo Assay technology to detect caspase activation, which is a key biomarker of apoptosis. The Caspase-Glo Assay provides a luminogenic caspase-3/7 substrate, which contains the tetrapeptide sequence DEVD, in a reagent optimized for caspase activity, luciferase activity and cell lysis. Adding the Caspase-Glo 3/7 Reagent in an 'add-mix-measure' format results in cell lysis, followed by caspase cleavage of the substrate and generation of a 'glow-type' luminescent signal produced by luciferase. Luminescence is proportional to the amount of caspase activity present.
The Caspase-Glo Assay provides a luminogenic caspase-3/7 substrate, which contains the tetrapeptide sequence DEVD, in a reagent optimized for caspase activity, luciferase activity, and cell lysis. Adding the Caspase-Glo 3/7 Reagent in an add-mix-measure format results in cell lysis, followed by caspase cleavage of the substrate and generation of a glow-type luminescent signal produced by luciferase. Luminescence is proportional to the amount of caspase activity present.
The live-cell protease activity is restricted to intact viable cells and is measured using a fluorogenic, cell-permeant, peptide substrate (glycyl-phenylalanyl-amino fluorocoumarin; GF-AFC). The substrate enters intact cells where it is cleaved by the live-cell protease activity to generate a fluorescent signal proportional to the number of living cells. This live-cell protease becomes inactive upon loss of cell membrane integrity and leakage into the surrounding culture medium. The second part of the assay uses the Caspase-Glo® Assay technology to detect caspase activation, a key biomarker of apoptosis.
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