Flow cytometric analysis of human peripheral blood mononuclear cells, untreated (left column) or treated with anti-CD3 plus anti-CD28 (10 μg/ml, 72 hr; right column), using Granzyme B (D2H2F) Rabbit mAb (Alexa Fluor® 488 Conjugate) (top row) or concentration-matched Rabbit (DA1E) mAb IgG XP® Isotype Control (Alexa Fluor® 488 Conjugate) #2975 (bottom row), and co-stained with a CD8 Antibody.
This Cell Signaling Technology antibody is conjugated to Alexa Fluor® 488 fluorescent dye and tested in-house for direct flow cytometric analysis in human cells. This antibody is expected to exhibit the same species cross-reactivity as the unconjugated Granzyme B (D2H2F) Rabbit mAb #17215.
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 antibody. Protect from light. Do not freeze.
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
Granzyme B (D2H2F) Rabbit mAb (Alexa Fluor® 488 Conjugate) recognizes endogenous levels of total Granzyme B protein.Species Reactivity:
Monoclonal antibody is produced by immunizing animals with recombinant protein specific to human Granzyme B protein.
Granzymes are a family of serine proteases expressed by cytotoxic T lymphocytes and natural killer (NK) cells and are key components of immune responses to pathogens and transformed cells (1). Granzymes are synthesized as zymogens and are processed into mature enzymes by cleavage of a leader sequence. They are released by exocytosis in lysosome-like granules containing perforin, a membrane pore-forming protein. Granzyme B has the strongest apoptotic activity of all the granzymes as a result of its caspase-like ability to cleave substrates at aspartic acid residues thereby activating procaspases directly and cleaving downstream caspase substrates (2,3).
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Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
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