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℡ 4000-520-616
℡ 4000-520-616
AAT Bioquest/ApoBrite™ V570 caspase 3/7 substrate *Cell-Permeable*/20201/100 Tests
产品编号:20201
市  场 价:¥0.00
场      地:美国(厂家直采)
联系QQ:1570468124
电话号码:4000-520-616
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品      牌: AAT Bioquest
公      司:AAT Bioquest
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AAT Bioquest/ApoBrite™ V570 caspase 3/7 substrate *Cell-Permeable*/20201/100 Tests
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Ex/Em (nm) 405/600
MW N/A
CAS # N/A
Solvent DMSO
Storage F/D/L
Category Cell Analysis
Cell Apoptosis
Related Apoptosis and Cytotoxicity
Biochemical Assays
The activation of caspase 3/7 is important for the initiation of apoptosis. Our Cell Meter™ No-Wash Live Cell Caspase Activity Assay Kits are based on ApoBrite™ V570, our recently developed cell-permeable fluorogenic caspase substrate, the first fluorogenic probe for the direct detection of caspase activities in live cells. ApoBrite V600 consists of three moieties including a). masked fluorophore, b). caspase-selective peptide fragment (DEVD), and c). cell-penetrating moiety. The cell-penetrating moiety carries the probe into live cells. Upon entering live cells the caspase-selective peptide fragment is cleaved by a caspase to release the masked fluorophore. The intensity of recovered fluorescence is directly related to the activity of caspase to be measured. Compared to the existing caspase assays in live cells, ApoBrite™ V570 is much more robust, convenient and accurate. ApoBrite™ V570 releases a fluorophore that has a large Stokes shift with Ex/Em ~405/570, and can be well excited with violet laser that is installed most of new flow cytometers. It does not need a DNA interaction to be fluorescent as reported for NucView reagents. It does not inhibit caspase activity as reported for the FMK peptide probes. Although fluorescent FMK peptide inhibitors of caspases are widely used for detecting caspase activities in live cells, this technology has a few severe limitations: a). FMK caspase inhibitors have high cytotoxicity since FMK peptides bind covalently to active caspases; b). The irreversibly covalent binding of FMK peptides to caspases inhibits caspase activities, causing false positive apoptosis; c). FMK assays have extremely high background, and require intensive washings, resulting in very low through put; d). FMK peptides are not stable in aqueous solutions, and have to be used immediately.
References & Citations
Citation Explorer

Helicobacter pylori Secreted Protein HP1286 Triggers Apoptosis in Macrophages via TNF-Independent and ERK MAPK-Dependent Pathways
Authors: Raquel Tavares, Sushil Kumar Pathak
Journal: Frontiers in Cellular and Infection Microbiology (2017): 58

Death receptor 3 mediates necroptotic cell death
Authors: Sebastian Bittner, Gertrud Knoll, Martin Ehrenschwender
Journal: Cellular and Molecular Life Sciences (2016): 1--12

Helicobacter pylori protein JHP0290 exhibits proliferative and anti-apoptotic effects in gastric epithelial cells
Authors: Raquel Tavares, Sushil Kumar Pathak
Journal: PloS one (2015): e0124407


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