Cleaved Caspase-3 Staining Kit (FITC) ab65613 provides a convenient means for sensitive detection of activated Caspase-3 in living cells.
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Thiol protease that acts as a major effector caspase involved in the execution phase of apoptosis (PubMed:18723680, PubMed:20566630, PubMed:23650375, PubMed:35338844, PubMed:35446120, PubMed:7596430). Following cleavage and activation by initiator caspases (CASP8, CASP9 and/or CASP10), mediates execution of apoptosis by catalyzing cleavage of many proteins (PubMed:18723680, PubMed:20566630, PubMed:23650375, PubMed:7596430). At the onset of apoptosis, it proteolytically cleaves poly(ADP-ribose) polymerase PARP1 at a '216-Asp-|-Gly-217' bond (PubMed:10497198, PubMed:16374543, PubMed:7596430, PubMed:7774019). Cleaves and activates sterol regulatory element binding proteins (SREBPs) between the basic helix-loop-helix leucine zipper domain and the membrane attachment domain (By similarity). Cleaves and activates caspase-6, -7 and -9 (CASP6, CASP7 and CASP9, respectively) (PubMed:7596430). Cleaves and inactivates interleukin-18 (IL18) (PubMed:37993714, PubMed:9334240). Involved in the cleavage of huntingtin (PubMed:8696339). Triggers cell adhesion in sympathetic neurons through RET cleavage (PubMed:21357690). Cleaves and inhibits serine/threonine-protein kinase AKT1 in response to oxidative stress (PubMed:23152800). Acts as an inhibitor of type I interferon production during virus-induced apoptosis by mediating cleavage of antiviral proteins CGAS, IRF3 and MAVS, thereby preventing cytokine overproduction (PubMed:30878284). Also involved in pyroptosis by mediating cleavage and activation of gasdermin-E (GSDME) (PubMed:35338844, PubMed:35446120). Cleaves XRCC4 and phospholipid scramblase proteins XKR4, XKR8 and XKR9, leading to promote phosphatidylserine exposure on apoptotic cell surface (PubMed:23845944, PubMed:33725486). Cleaves BIRC6 following inhibition of BIRC6-caspase binding by DIABLO/SMAC (PubMed:36758104, PubMed:36758106).
CPP32, CASP3, Caspase-3, CASP-3, Apopain, Cysteine protease CPP32, Protein Yama, SREBP cleavage activity 1, CPP-32, SCA-1
Cleaved Caspase-3 Staining Kit (FITC) ab65613 provides a convenient means for sensitive detection of activated Caspase-3 in living cells.
Cleaved Caspase-3 Staining Kit (FITC) ab65613 provides a convenient means for sensitive detection of activated Caspase-3 in living cells.
The cleaved caspase 3 assay utilizes the Caspase-3 inhibitor, DEVD-FMK, conjugated to FITC (FITC-DEVD-FMK) as a marker. FITC-DEVD-FMK is cell permeable, non-toxic, and irreversibly binds to activated Caspase-3 in apoptotic cells. The FITC label allows detection of activated / cleaved caspase-3 in apoptotic cells directly by fluorescence microscopy, flow cytometry, or fluorescence plate reader.
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Previously called Caspase-3 (active) FITC Staining Kit
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Caspase-3 activation was measured by flow cytometry, using ab65613, in cells that were left alone or pretreated with QVD.oph and then treated with I-CRP (1.25 U/ml) or a drug that induces DNA strand breaks (100 μM) for 24 h, data was then analyzed and graphed.
Caspase-3 in Jurkat cells following 24 hour exposure to 2 uM Camptothecin (CPT; Camptothecin, DNA topoisomerase inhibitor ab120115) with or without 20 nM caspase inhibitor Z-VAD(OMe)-FMK (zVAD; Z-VAD(OMe)-FMK, Cell permeable, irreversible pan-caspase inhibitor ab120487). Background signal subtracted, duplicates; +/- SD.
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