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Cellular senescence activity assay

Highly reproducible SA-β-gal activity kit
 
ENZ-KIT129-0120 120 assays 448.00 USD
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  • Quantify SA-β-gal activity in a fluorescence plate reader
  • Easy-to-use protocol with results in less than 90 minutes
  • Fully compatible with all cell types
The 96-well Cellular senescence assay kit provides an easy-to-use and efficient method to determine the cellular senescence by measuring SA-β-gal activity using a fluorometric substrate. This quantitative assay uses cell lysate for both SA-β-galactosidase activity determination and normalization of samples containing different cell numbers. Each kit provides sufficient quantities to perform up to 120 assays in a 96-well plate.

Product Specification

Applications:Fluorescent detection, HTS
 
Application Notes:For the determination of cellular senescence by measuring SA-β-gal activity using a fluorometric substrate.
 
Handling:Store SA-β-gal substrate solution protected from light at -20°C. Store all other components at room temperature.
 
Shipping:Ambient
 
Kit/Set Contains:2X Cell lysis buffer
2X Reaction buffer
SA-β-gal substrate (20X)
Stop solution
 
Scientific Background:Normal primary cells proliferate in culture for a limited number of population doublings prior to undergoing terminal growth arrest and acquiring a senescent phenotype. This finite life span correlates with the age of the organism and with the life expectancy of the species from which the cells were obtained; such that the older the age or the shorter the life span, the less the ability of the cells to undergo population doubling. Senescent cells are characterized by an irreversible G1growth arrest involving the repression of genes that drive cell cycle progression and the upregulation of cell cycle inhibitors like p16INK4a, p53, and its transcriptional target, p21CIP1. They are resistant to mitogen-induced proliferation, and assume a characteristic enlarged, flattened morphology. Research into the pathways that positively regulate senescence and ways cells bypass senescence is therefore critical in understanding carcinogenesis. Normal cells have several mechanisms in place to protect against uncontrolled proliferation and tumorigenesis.
Senescent cells show common biochemical markers such as expression of an acidic senescence-associated β-galactosidase (SA-β-gal) activity. While senescence has been characterized primarily in cultured cells, there is also evidence that it occurs in vivo. Cells expressing markers of senescence such as SA-β-gal have been identified in normal tissues.
 
UniProt ID:P16278
 

Product Literature References

Functional plasticity of adipose-derived stromal cells during development of obesity: X.Y. Zhu, et al.; Stem Cells Transl. Med. 5, 893 (2016), Abstract;

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A Complete Toolset for Studying Cellular Senescence
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