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Resazurin-Based Assay for Quantifying Living Cells during Alkaline Phosphatase (ALP) Release

Sensing & Separation Group, Tyndall National Institute, School of Chemistry and life Science Interface, University College Cork, T12R5CP Cork, Ireland
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Appl. Sci. 2020, 10(11), 3840; https://doi.org/10.3390/app10113840
Received: 31 March 2020 / Revised: 5 May 2020 / Accepted: 29 May 2020 / Published: 31 May 2020
(This article belongs to the Section Applied Biosciences and Bioengineering)
Alkaline phosphatase (ALP) is an important reporter gene in the gene expression system, therefore monitoring cellular behavior including cell viability during ALP release is of significance. This assay produced a quantitative resazurin-based assay for cell viability in embryonic and cancer cells during alkaline phosphatase (ALP) release. A post-confluence culture method was applied to induce ALP in the cells of Balb/c 3T3, A549, MCF-7, and Ht-29. The density of each cell type was optimized using the standard cell culture assay. The main parameters affecting the results of resazurin involve the concentration of resazurin, incubation time, and cell number. The redox reaction, in which resazurin is reduced by the cells, was measured by fluorescence at 544 nm and 590 nm. The obtained data were compared with the hemocytometer assay. ALP release was determined using the optical active substrate p-nitrophenyl phosphate and colorimetric assay. View Full-Text
Keywords: resazurin-based assays; cell viability; alkaline phosphatase; Balb/c 3T3 cells; A549 cells; MCF-7 cells resazurin-based assays; cell viability; alkaline phosphatase; Balb/c 3T3 cells; A549 cells; MCF-7 cells
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MDPI and ACS Style

Balbaied, T.; Moore, E. Resazurin-Based Assay for Quantifying Living Cells during Alkaline Phosphatase (ALP) Release. Appl. Sci. 2020, 10, 3840. https://doi.org/10.3390/app10113840

AMA Style

Balbaied T, Moore E. Resazurin-Based Assay for Quantifying Living Cells during Alkaline Phosphatase (ALP) Release. Applied Sciences. 2020; 10(11):3840. https://doi.org/10.3390/app10113840

Chicago/Turabian Style

Balbaied, Thanih; Moore, Eric. 2020. "Resazurin-Based Assay for Quantifying Living Cells during Alkaline Phosphatase (ALP) Release" Appl. Sci. 10, no. 11: 3840. https://doi.org/10.3390/app10113840

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