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36<br />

2 Apoptosis<br />

2.5 Annexin V Detection Kits<br />

Applications<br />

be tagged with EGFP (Enhanced Green<br />

in the provided binding buffer, apoptotic<br />

Fluorescent Protein). Since Annexin V<br />

cells show red fluorescence, necrotic cells<br />

Screening for apoptotic cells<br />

conjugates and tagged annexins retain<br />

show green fluorescence, and live cells<br />

Differentiating apoptotic and<br />

their high affinity for PS, they are ide-<br />

show little or no fluorescence. These<br />

necrotic cells<br />

ally suited as highly sensitive probes to<br />

populations can easily be distinguished<br />

Annexin detection<br />

identify early apoptotic cells and to de-<br />

by fluorescence microscopy and flow cy-<br />

Flow cytometry<br />

tect apoptosis much earlier than assays<br />

tometry using the appropriate filters and<br />

Fluorescence microscopy<br />

based on DNA fragmentation or loss of<br />

channels.<br />

membrane integrity. The stained cells<br />

Features<br />

can be evaluated by flow cytometry or<br />

Individual Annexin V Reagents<br />

fluorescence microscopy using common<br />

High fluorescence intensity and<br />

filter sets and flow cytometer channels.<br />

PromoKine also offers a wide range of<br />

2 Apoptosis<br />

sensitivity<br />

Many different labels and tags<br />

available<br />

Annexin V Detection Kits<br />

Annexin V reagents separately. For easy<br />

staining of early apoptotic cells, Annexin<br />

V conjugated to FITC, PE, Cy3,<br />

Appropriate for various multiwell<br />

The Annexin V Apoptosis Detection<br />

Cy5, or biotin is available, as well as An-<br />

formats and automation<br />

Kits include an Annexin V conjugate or<br />

nexin V tagged with EGFP. The stained<br />

Excitation and emission spectra are<br />

tagged Annexin V as well as binding buf-<br />

cells can be evaluated by flow cytometry<br />

compatible with common excitation<br />

fer and in some cases Propidium Iodide<br />

or fluorescence microscopy using com-<br />

sources and filter sets<br />

(PI) for differentiating between early<br />

mon filter sets and flow cytometer chan-<br />

apoptotic and dead cells. The kits allow<br />

nels. Biotinylated Annexin V can be de-<br />

In the early stages of apoptosis, changes<br />

a one-step staining procedure that takes<br />

tected in conjunction with conventional<br />

can be observed on the cell surface.<br />

only 10 minutes. In addition, the assay<br />

dye-staining using any streptavidin- or<br />

<strong>Cell</strong>s lose their phospholipid membrane<br />

can be performed directly on living cells.<br />

avidin-dye reagents such as PromoFluor-<br />

asymmetry and expose phosphatidyl-<br />

streptavidin/avidin conjugates, fluores-<br />

serine (PS) on the exterior plasma mem-<br />

Promokine Annexin V Apoptosis Detec-<br />

cein-, PE-, or APC-streptavidin as well<br />

brane. Annexin V is a Ca 2+ -dependent,<br />

tion Kit plus includes an additional dye, SY-<br />

as streptavidin/avidin conjugated to<br />

phospholipid-binding protein with high<br />

TOX green, that is impermeant to living<br />

peroxidase, alkaline phosphatase (AP),<br />

affinity for PS and is very useful for<br />

and apoptotic cells, but stains necrotic<br />

b-galactosidase, etc.<br />

identifying apoptotic cells that expose<br />

cells with intense green fluorescence<br />

PS on their surfaces to the extracellular<br />

by binding to cellular nucleic acids. Af-<br />

Please visit www.promokine.info or<br />

environment. Annexin V may be conju-<br />

ter staining a cell population with e.g.,<br />

see the PromoKine Price List to find our<br />

gated to biotin or fluorophores such as<br />

fluorescent Annexin V-Cy3 or Annexin<br />

complete range of individual Annexin V<br />

FITC and phycoerythrin (PE). It can also<br />

V-PE conjugates, and SYTOX Green dye<br />

reagents.<br />

Product Size Catalog Number<br />

Annexin V-FITC Detection Kit<br />

Annexin V-FITC Detection Kit Plus<br />

Annexin V-Cy3 Detection Kit<br />

Annexin V-Cy3 Detection Kit Plus<br />

Annexin V-Cy5 Detection Kit<br />

Annexin V-EGFP Detection Kit<br />

For prices please see our online shop at www.promokine.info<br />

25 assays<br />

100 assays<br />

400 assays<br />

25 assays<br />

100 assays<br />

400 assays<br />

25 assays<br />

100 assays<br />

400 assays<br />

25 assays<br />

100 assays<br />

400 assays<br />

25 assays<br />

100 assays<br />

400 assays<br />

25 assays<br />

100 assays<br />

400 assays<br />

PK-CA577-K101-25<br />

PK-CA577-K101-100<br />

PK-CA577-K101-400<br />

PK-CA577-K201-25<br />

PK-CA577-K201-100<br />

PK-CA577-K201-400<br />

PK-CA577-K102-25<br />

PK-CA577-K102-100<br />

PK-CA577-K102-400<br />

PK-CA577-K202-25<br />

PK-CA577-K202-100<br />

PK-CA577-K202-400<br />

PK-CA577-K103-25<br />

PK-CA577-K103-100<br />

PK-CA577-K103-400<br />

PK-CA577-K104-25<br />

PK-CA577-K104-100<br />

PK-CA577-K104-400

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