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Cellular senescence activity assay

Highly reproducible SA-β-gal activity kit
 
ENZ-KIT129-0120 120 assays 612.00 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 Details

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 Temperature
 
Contents: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
 
Regulatory Status:RUO - Research Use Only
 

Product Literature References

A Roadmap for the Production of a GMP-Compatible Cell Bank of Allogeneic Bone Marrow-Derived Clonal Mesenchymal Stromal Cells for Cell Therapy Applications: M. Pakzad, et al.; Stem Cell Rev. Rep. 17, 1 (2022), Abstract;
Platelet Lysate for Mesenchymal Stromal Cell Culture in the Canine and Equine Species: Analogous but Not the Same: A. Hagen, et al.; Animals 12, 189 (2022), Abstract;
Diabetic kidney disease alters the transcriptome and function of human adipose-derived mesenchymal stromal cells but maintains immunomodulatory and paracrine activities important for renal repair: L.J. Hickson, et al.; Diabetes 2337, 191268 (2021), Abstract;
Evaluation of extracellular matric composition to improve breast cancer modleing: C. E. Byrne, et al.; Tissue Eng. Part A 10, 1089 (2021), Abstract;
Hypoxic preconditioning induces epigenetic changes and modifies swine mesenchymal stem cell angiogenesis and senescence in experimental atherosclerotic renal artery stenosis: B. Isik, et al.; Stem Cell Res. Ther. 12, 240 (2021), Abstract; Full Text
Multi-walled carbon nanotubes (MWCNTs) cause cellular senescence in TGF-β stimulated lung epithelial cells: J.H. Lucas, et al.; Toxics 9, 144 (2021), Abstract; Full Text
p16-3MR: a novel model to study cellular senescence in cigarette smoke-induced lung injuries: G. Kaur, et al.; Int. J. Mol. Sci. 22, 4834 (2021), Application(s): Lung tissue, Abstract; Full Text
Involvement of 8-O-acetylharpagide for Ajuga taiwanensis mediated suppression of senescent phenotypes in human dermal fibroblasts: W.H. Hsu, et al.; Sci. Rep. 10, 19731 (2020), Abstract; Full Text
Oxidative DNA damage, inflammatory signature, and altered erythrocytes properties in Diamond-Blackfan anemia: K. Kapralova, et al.; Int. J. Mol. Sci. 21, 9652 (2020), Abstract; Full Text
Targeting p16-induced senescence prevents cigarette smoke-induced emphysema by promoting IGF1/Akt1 signaling in mice: C.T. Cottage, et al.; Commun. Biol. 2, 307 (2019), Application(s): Lung tissue, Abstract; Full Text
Micro-RNAS Regulate Metabolic Syndrome-induced Senescence in Porcine Adipose Tissue-derived Mesenchymal Stem Cells through the P16/MAPK Pathway: Y. Meng, et al.; Cell Transplant. 2018, 963689718795692 (2018), Abstract; Full Text
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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