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Tali® Apoptosis Kit - Annexin V Alexa Fluor® 488 & Propidium Iodide

Catalog number: A10788

Molecular Probes™  Related applications: Cell Counting, Viability, & Cryopreservation | Cell Viability, Proliferation & Function | Cellular Imaging

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Description

The Tali® Apoptosis Kit enables identification of apoptotic cells and discrimination of apoptotic from necrotic and live cells in a population. The kit stains apoptotic cells with green Annexin V – Alexa Fluor® 488, stains necrotic cells with both red propidium iodide and green Annexin V – Alexa Fluor® 488, and does not stain live cells.

The Tali®Apoptosis Kit contains:

Annexin V – Alexa Fluor® 488 conjugate

• Annexin Binding solution
• Propidium Iodide (PI) solution

Apoptosis is a carefully regulated process of cell death that occurs as a normal part of development. Inappropriately regulated apoptosis is implicated in disease states, such as Alzheimer’s disease and cancer. Apoptosis is distinguished from necrosis by characteristic morphological and biochemical changes, including compaction and fragmentation of the nuclear chromatin, shrinkage of the cytoplasm, and loss of membrane asymmetry.

Easily Discriminate Apoptotic from Necrotic Cells with Two-color Staining
In normal live cells, phosphatidyl serine (PS) is located on the cytoplasmic surface of the cell membrane. In apoptotic cells, however, PS is translocated from the inner to the outer surface of the plasma membrane, exposing it to the extracellular environment. The human anticoagulant Annexin V displays a high affinity for PS. Annexin V labeled with a fluorophore such as Alexa Fluor® 488 can be used to identify apoptotic cells by binding to the exposed PS.

The Tali® Apoptosis Kit includes a solution of propidium Iodide (PI). PI is a cell-impermeant fluorogenic DNA-binding dye used for years to identify necrotic cells. PI is impermeant to live cells, but easily enters dead cells where it binds to nucleic acids and becomes fluorescent.

After staining a cell population using the Tali® Apoptosis Assay Kit with Annexin V-Alexa Fluor® 488 and Propidium Iodide, apoptotic cells display green fluorescence, dead cells display red and green fluorescence and live cells show little or no fluorescence.
For Research Use Only. Not for use in diagnostic procedures.

Specifications

Format: Vial(s)
Label or Dye: Alexa Fluor™ 488
Product Size: 1 kit
Detection Method: Fluorescent
For Use With (Equipment): Tali® Image-Based Cytometer
Shipping Condition: Wet Ice

Contents & storage

Tali® - Annexin V Alexa Fluor®: 488: Store 2 – 6°C
Tali® - Propidium Iodide: Store 2 – 6°C
Tali® - Annexin V Binding Buffer: Store 2 – 6°C

Documents

Manuals & protocols