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Caspase 3/7 and DAPI Apoptosis Double Staining Kit

Caspase 3/7 and DAPI Apoptosis Double Staining Kit

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Specification

Product name Caspase 3/7 and DAPI Apoptosis Double Staining Kit
SampleType Cells

Product Properties

Kit components • Caspase 3/7 Green
• DAPI
Storage instructions Stored at -20℃ for 12 months, protected from light
Shipping Gel pack with blue ice.
Precautions The product listed herein is for research use only and is not intended for use in human or clinical diagnosis. Suggested applications of our products are not recommendations to use our products in violation of any patent or as a license. We cannot be responsible for patent infringements or other violations that may occur with the use of this product.

Additional Information

Background Caspase 3 (CPP32/ Apopain) plays a significant role in the initiation of apoptosis, it has been widely accepted as an indicator of apoptosis. Caspase 3 has a specific substrate polypeptide recognition sequence, namely aspartic acid-glutamate-valine-aspartic acid (DEVD). The Caspase 3/7 and DAPI Apoptosis Double Staining kit is used for apoptosis detection by measuring the activity of Caspase 3/7 and the integrity of the cell membrane. Caspase 3/7 Green uses the Caspase 3/7 recognition sequence (DEVD) coupled to a high-affinity DNA fluorescent dye, which has cell membrane permeability and can penetrate the cell membrane into the cytoplasm. The Caspase 3/7 Green reagent itself is non-fluorescent and has a charge repulsion effect with DNA. When cells undergo apoptosis, Caspase 3/7 Green, as a substrate, is cleaved by activated Caspase 3/7 and releases a high-affinity DNA dye. After binding to DNA, it generates strong fluorescence (Ex /Em: 488 nm/525 nm, flow cytometry recommended FITC channel). When cells enter the late stage of apoptosis or necrosis, the integrity of the cell membrane is lost, and 4',6-Diamidino-2-Phenylindole dihydrochloride (4', 6-diamidino-2-phenylindole, DAPI) can enter the cells of late apoptotic and necrotic cells. It specifically binds to double-stranded DNA and generates intense blue fluorescence (Ex/Em: 358 nm/461 nm). When used in combination with Caspase 3/7 Green, it can simultaneously distinguish the activity of Caspase 3/7 enzymes in necrotic cells and apoptotic cells.

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