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MAK398

Sigma-Aldrich

5′-Nucleotidase (CD73) Activity Assay Kit (Colorimetric)

sufficient for 100 colorimetric tests

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About This Item

método de detecção

colorimetric

doença(s) relevante(s)

gastrointestinal diseases

temperatura de armazenamento

−20°C

Descrição geral

5′-Nucleotidase (5′-NT), also known at CD73 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.

Características e benefícios

5′-Nucleotidase (CD73) Activity Assay Kit:
  • Sensitive, detecting as low as 0.2 mU of 5′-NT.
  • Compatible with high-throughput handling systems.

Adequação

The kit is suitable for the measurement of 5′-Nucleotidase activity in animal tissue lysates (eg. liver), cell lysates, recombinant enzyme and purified protein.

Princípio

The 5′-Nucleotidase (CD73) Activity Assay 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 A670 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 a positive control.

Palavra indicadora

Danger

Classificações de perigo

Aquatic Chronic 2 - Carc. 1A Inhalation - Eye Dam. 1 - Muta. 2 - Repr. 1B - Resp. Sens. 1 - Skin Sens. 1 - STOT RE 1 - STOT RE 2 Inhalation

Órgãos-alvo

Lungs

Código de classe de armazenamento

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Classe de risco de água (WGK)

WGK 3

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