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FITC Annexin V Apoptosis Detection Kit with 7-AAD

FITC Annexin V Apoptosis Detection Kit with 7-AAD

Cat no: 640922

Supplier: BioLegend
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BioLegend's FITC Annexin V Apoptosis Detection Kit with 7-AAD has been specifically designed for the identification of apoptotic and necrotic cells.Annexin V (or Annexin A5) is a member of the annexin family of intracellular proteins that binds to phosphatidylserine (PS) in a calcium-dependent manner. PS is normally only found on the intracellular leaflet of the plasma membrane in healthy cells, but during early apoptosis, membrane asymmetry is lost and PS translocates to the external leaflet. Fluorochrome-labeled Annexin V can then be used to specifically target and identify apoptotic cells. Annexin V Binding Buffer is recommended for use with Annexin V staining. Annexin V binding alone cannot differentiate between apoptotic and necrotic cells. To help distinguish between the necrotic and apoptotic cells we recommend use of our 7-amino-actinomycin D (7-AAD) solution. Early apoptotic cells will exclude 7-AAD, while late stage apoptotic cells will stain positively, due to the passage of these dyes into the nucleus where they bind to DNA.7-AAD (7-amino-actinomycin D) has a high DNA binding constant and is efficiently excluded by intact cells. It is useful for DNA analysis and dead cell discrimination during flow cytometric analysis. When excited by 488 laser light, 7-AAD fluorescence is detected in the far red range of the spectrum (650 nm long-pass filter).
Catalogue number: 640922
Applications: Flow Cytometry
Size: 100 tests
Gene: 308
Dilutions: Staining Procedure: 1. Wash cells twice with cold BioLegend's Cell Staining Buffer, and then resuspend cells in Annexin V Binding Buffer at a concentration of 0.25-1.0 x 107 cells/ml. 2. Transfer 100 microl of cell suspension in a 5 ml test tube. 3. Add 5 microl of FITC Annexin V. 4. Add 5 microl of 7-AAD Viability Staining Solution. 5. Gently vortex the cells and incubate for 15 min at room temperature (25C) in the dark. 6. Add 400 microl of Annexin V Binding Buffer to each tube. Analyze by flow cytometry with proper machine settings.
Storage buffer: Store at 4C. Do not freeze. Caution: 7-AAD is a potential carcinogen. It is recommended that the user wear protective clothing, gloves, and eye/face protection in order to avoid contact with skin and eyes.
Regulatory status: RUO
Shipping temp: Ambient RT
Storage temp: 4 C
Alternative names: Kit includes: FITC Annexin V, 7-AAD solution, and Binding Buffer
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