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Flow cytometric analysis of Jurkat cells, untreated (blue) or treated with Etoposide (25uM, ON; green) using Cleaved Caspase-8 (Asp391) (18C8) Rabbit mAb (PE Conjugate) (solid lines) or concentration-matched Rabbit (DA1E) mAb IgG XP® Isotype Control (PE Conjugate) #5742 (dashed lines).Learn more about how we get our images.
NOTE: Prepare solutions with reverse osmosis deionized (RODI) or equivalent grade water.
NOTE: If using whole blood, lyse red blood cells and wash by centrifugation prior to fixation.
posted July 2009
revised June 2017
Protocol Id: 407
Supplied in PBS (pH 7.2), less than 0.1% sodium azide and 2 mg/ml BSA. Store at 4°C. Do not aliquot the antibodies. Protect from light. Do not freeze.
Cleaved Caspase-8 (Asp391) (18C8) Rabbit mAb (PE Conjugate) recognizes human caspase-8 when cleaved at Asp391 (isoform A, Asp374 on isoform B). This antibody detects cleavage products containing the pro-domain with the p18 subunit, as well as the p18 subunit alone.
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues adjacent to Asp391 of human caspase-8 protein.
This Cell Signaling Technology antibody is conjugated to phycoerythrin (PE) and tested in-house for direct flow cytometry analysis in human cells. The antibody is expected to exhibit the same species cross-reactivity as the unconjugated Cleaved Caspase-8 (Asp391) (18C8) Rabbit mAb #9496.
Apoptosis induced through the CD95 receptor (Fas/APO-1) and tumor necrosis factor receptor 1 (TNFR1) activates caspase-8 and leads to the release of the caspase-8 active fragments, p18 and p10 (1-3). Activated caspase-8 cleaves and activates downstream effector caspases such as caspase-1, -3, -6, and -7. Caspase-3 ultimately elicits the morphological hallmarks of apoptosis, including DNA fragmentation and cell shrinkage.
Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
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