Invitrogen™

eBioscience™ Annexin V-Biotin Apoptosis Detection Kit

Catalog number:  BMS500BT-20

 Related applications:

Flow Cytometry

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Description

Annexins are a family of calcium-dependent phospholipid-binding proteins, which bind to phosphatidylserine (PS) to identify apoptotic cells. In healthy cells, PS is predominantly located along the cytosolic side of the plasma membrane. Upon initiation of apoptosis, PS loses its asymmetric distribution in the phospholipid bilayer and translocates to the extracellular membrane, which is detectable with fluorescently labeled Annexin V. In early stages of apoptosis, the plasma membrane excludes viability dyes such as propidium iodide (PI) and 7-AAD, therefore cells which display only Annexin V staining (PI/7-AAD negative) are in early stages of apoptosis. During late-stage apoptosis, loss of cell membrane integrity allows Annexin V binding to cytosolic PS, as well as cell uptake of PI and 7-AAD. Annexin V staining, paired with 7-AAD or PI is widely used to identify apoptotic stages by flow cytometry.

Host
E.coli

Conjugate
Biotin

Purity
> 98% pure

Molecular Mass
35.8 kDa

Reported Application
Flow Cytometric Analysis

For Research Use Only. Not for use in diagnostic procedures.

Specifications

Detection Method: Fluorescent
For Use With (Equipment): Flow Cytometer
Format: Kit
Product Line: eBioscience™
Product Size: 20 tests

Documents

Manuals & protocols