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Flow Cytometry Kit for Apoptosis from Sigma-Aldrich

ProductsFlow Cytometry Kit for Apoptosis from Sigma-Aldrich
Company Sigma-Aldrich
Item Flow Cytometry Kit for Apoptosis
Description Application: The greater incorporation of Br-dUTP results in a stronger signal by flow cytometry when detected using a fluorescein-labeled anti-BrdU antibody. Propidium iodide/RNase A solution is included in the kit to counterstain the total DNA.
Features and Benefits: Greater incorporation of Br-dUTP, resulting in improved detection than found by using biotin- or digoxigenin-conjugated dUTP or by using fluorochrome (fluorescein or BODIPY)-conjugated deoxynucleotides.
Packaging: The kit is shipped in two parts, both wet ice. Upon receipt, store APO-PART1 at −20C and APO-PART2 at 2-4C
Preparation Principle: Br-dUTP is incorporated more readily into the DNA fragments than deoxyuridine triphosphate labeled with larger dyes such as FITC, biotin or digoxigenin. One of the biological characteristics that defines apoptosis is the degradation of genomic DNA into fragments of 180-200 bp, commonly called "DNA laddering". The fragmentation creates a large number of 3'-hydroxyl sites at the DNA breaks. This property is used in the APO-BRDU kit to identify apoptotic cells by labeling the 3'-hydroxyl sites with bromodeoxyuridine triphosphate (Br-dUTP). Br-dUTP is enzymatically attached to the 3-hydroxyl sites of double- or single-stranded DNA by terminal transferase (TdT). Non-apoptotic cells do not incorporate Br-dUTP due to the lack of available 3-hydroxyl sites.

  • Adequate for: 60 cell suspensions
Info Sigma-AldrichSigma-Aldrich
Sigma-Aldrich Corp.
St. Louis, MO, USA
Customer Service: 800-325-3010
Tech Support: 800-325-5832
Fax Number: 314-771-5757
Web Site:
NOTE: Price information is approximate list price and actual prices may vary.

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