Mediators of Inflammation 2006-01-01

Application of intracellular alkaline phosphatase activity measurement in detection of neutrophil adherence in vitro.

Katarzyna Bednarska, Magdalena Klink, Zofia Sulowska

Index: Mediators Inflamm. 2006(4) , 19307, (2006)

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Abstract

We have proposed the use of the fluorimetric method with 4-methylumbelliferyl phosphate (4-MUP) specific substrate for the alkaline phosphatase determination in the neutrophil adhesion assay. We provide evidence that the endogenous neutrophil alkaline phosphatase (NAP) activity evaluation is reliable to quantify neutrophil adhesion at a wide range of cell numbers (10(4)-10(6)). The results obtained by fluorimetric NAP activity test correlate to the results of adherence evaluated using the MTT reduction assay. The fluorimetric NAP activity test may be applied for resting as well as activated neutrophils without the risk of the activators interferences into the test. The alkaline phosphatase survey with the use of 4-MUP substrate is recommended herein as a sensitive, repeatable, simple, and reliable method of the neutrophil adherence determination in vitro.

Related Compounds

  • Disodium 4-methyl-...
  • 4-Methylumbellifer...

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