5'-核苷酸酶活性測(cè)定試劑盒（比色）-5’-Nucleotidase Activity Assay Kit (Colorimetric)代理/參數(shù)/廠家-細(xì)胞分析試劑盒-艾美捷科技有限公司

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產(chǎn)品描述: 5’-Nucleotidase (5’-NT), also known at CD73 (EC 3.1.3.5) is an enzyme located in the plasma membrane. It converts extracellular nucleotides like 5’-AMP to their corresponding nucleosides, through phosphorylitic cleavage. This conversion facilitates uptake of the nucleosides through nucleoside receptors into the cell, where they can again be phosphorylated to generate nucleotides and contribute to the nucleotide pool, inside the cell. 5’-NT levels are elevated in hepatic diseases such as viral hepatitis, alcoholic liver disease and cirrhosis. BioVision’s 5’-Nucleotidase Activity Kit is a simple two-step end point assay that relies on the Berthelot’s test for quantification of ammonia. In this assay, the action of 5’-nucleotidase on the substrate generates a product, which releases ammonia in presence of the converter. Developer I and II are then used to quantify the released ammonia through increase in absorbance at 670 nm. This assay can detect as low as 0.2 mU of 5’-NT. Since non-specific enzymes like alkaline phosphatase can give a positive signal in this assay, 5’-NT inhibitor may be used to completely inhibit 5’-nucleotidase and distinguish from the signal from non-specific enzymes. The assay kit also includes 5’- Nucleotidase (5’-NT) enzyme for use as positive control

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