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Invitrogen™ Image-iT™ LIVE Red and Green Caspase Apoptosis Detection Kits for microscopy

Detect apoptosis via microscopy, including fluorescence microscopy and HCS, with Image-iT LIVE Red and Green Caspase Apoptosis Detection Kits that report poly and caspase-3/7 activities.

Brand:  Invitrogen™ I35104

Additional Details : Weight : 0.00450kg ??product.attributeSet.Transport?? : UN number : 3316 Chem class : 9 Pack group : III

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Product Code. 10013272

  • 664.00 € / 1 set

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For Research Use Only. All usage must comply with product instructions.


Description

Description

Detect and evaluate caspase activation, membrane permeability, and cell cycle using Image-iT LIVE red and green poly and caspase-3 and-7 apoptosis detection kits for microscopy, including fluorescence microscopy and high content screening (HCS). The Image-iT LIVE red and green caspase detection kits use fluorescent inhibitor of caspases (FLICA) methodology to detect and report caspase activity, a measure of cell apoptosis. Specifically, the Image-iT LIVE red and green caspase detection kits contain the substrates SR-VAD-FMK and SR-DEVD-FMK (for red fluorescence), or FAM-VAD-FMK and FAM-DEVD-FMK (green fluorescence), for poly caspases and caspase-3/7 detection, respectively. They also include Hoechst 33342 and propidium iodide stains, enabling simultaneous evaluation of membrane permeability and cell cycle by microscopy and HCS.

The Image-iT LIVE red and green caspase detection kits for microscopy employ a novel approach to detecting active caspases: both assay kits take advantage of a fluorescent inhibitor of caspases (FLICA) methodology, which is an affinity label. This reagent associates a fluoromethyl ketone (FMK) moiety, which can react covalently with a cysteine, with a caspase-specific amino acid sequence. Different amino acid recognition sequences are used to detect different caspases: valine-alanine-aspartic acid (VAD) for poly-caspases (including caspase-1, -3, -4, -5, -6, -7, -8, and -9), and aspartic acid-glutamic acid-valine-aspartic acid (DEVD) for caspase 3/7. A sulforhodamine (SR) group or carboxyfluorescein (FAM) group is attached as a reporter.

The FLICA reagent is thought to interact with the enzymatic reactive center of an activated caspase via the recognition sequence, and then to attach covalently through the FMK moiety. The FLICA inhibitor is cell permeant and noncytotoxic. Unbound FLICA molecules diffuse out of the cell and are washed away; the remaining red or green fluorescent signal is a direct measure of the amount of active caspase present at the time the inhibitor was added. The approximate excitation and emission peaks of the FLICA, propidium iodide, and Hoechst 33342 reagents are 488⁄ nm/530 nm, 535⁄ nm/6617 nm, and 350 nm/⁄461 nm, respectively. The detection reagents included within the Image-iT LIVE Red Poly Caspases, Red Caspase-3/7, Green Poly Caspases, and Green Caspase-3/7 Detection kits are SR-VAD-FMK, SR-DEVD-FMK, FAM-VAD-FMK, and FAM-DEVD-FMK, respectively.

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Shipping Condition: Room temperature

Specifications

Specifications

Image-iT LIVE Green Poly Caspases Detection Kit
Caspase Assay Kit
25 tests (labeling volumes of 300µL)
Room Temperature
Fluorescent
FAM-VAD-FMK, propidium iodide (PI), Hoechst 33342
Store in refrigerator (2–8°C) and protect from light.
Slide
FAM-VAD-FMK: 488/530
propidium iodide (PI): 535/617
Hoechst 33342: 350/461
Green, Red, Blue
Image-iT
Fluorescence Microscope
Other Label(s) or Dye(s)
Poly Caspases
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