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CellCycle™ Blue Stain

Introduction

Live cell studies of cellular DNA content and cell cycle distribution are useful to detect variations of growth patterns due to a variety of physical, chemical, or biological means, to monitor apoptosis, and to study tumor behavior and suppressor gene mechanisms. In a given population, cells are distributed among three major phases of cell cycle: G0/G1 phase (one st of paired chromosomes per cell), S phase (DNA synthesis with variable amount of DNA), and G2/M phase (two sets of paired chromosomes per cell, prior to cell division). DNA content can be measured using fluorescent, DNA-selective stains that exhibit emission signals proportional to DNA mass. Flow cytometric analysis of these stained populations is then used to produce a frequency histogram that reveals the various cell cycle phases. This analysis is typically performed on permeabilized or fixed cells using a cell-impermeant nucleic acid stain, but is also possible using live cells and a cell-permeant nucleic acid stain.

The CellCycle™ Blue stain is DNA-selective, cell membrane-permeant, and nonfluorescent stain for DNA content analysis in living cells. The CellCycle™ Blue stain is fluorescent upon binding to double-stranded DNA. CellCycle™ Blue stain is excited using both UV and 405 nm laser with emission ~460 nm.

The staining protocol is simple and includes incubating suspended cells in the presence of CellCycle™ stain and directly measuring the fluorescence without the need for any additional treatment or centrifugation steps. This live cell stain allows the simultaneous co-staining of the cell population for other parameters, and allows for the possibility of cell sorting based on DNA content.

 

Specifications:  
Excitation/Emission: 350/460 nm
Shipping Condition: Ambient
Storage Conditions: 4ºC, protect from light
Unit Size: 100 assays

 

To Order

Buy Cat.No. Product name Ex/Em(nm) Size Price
A053 CellCycle™ Blue Stain 350/460 100 assays $60

Documents

Protocol (PDF): A053
MSDS (PDF):  A053
COA (PDF):  A053

Reference:

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