Journal
JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS
Volume 143, Issue -, Pages 285-290Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpba.2017.05.043
Keywords
Alkaline phosphatase inhibitor; Anticancer drug; Capillary electrophoresis
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Funding
- WUM in Poland
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The article describes the inhibitory effect of two new aminoalkanol derivatives on the enzymatic kinetic of tissue non-specific alkaline phosphatase with use of capillary zone electrophoresis to evaluate the inhibitory effect. This technique allows to investigate of the enzymatic kinetic by the measure of the amounts of the substrate and product in the presence of compound (I) or (II) in the reaction mixture. The separation process was conducted using an eCAP fused-silica capillary. The detector was set at 200 nm. The best parameters for the analysis were: 25 mM sodium dihydrogen phosphate adjusted to pH = 2.5, temperature 25 degrees C, and voltage -15 kV. Lineweaver-Burk plots were constructed and determined by comparison of the Km, of alkaline phosphatase in the presence of inhibitor (I) or (II) with the Km in a solution without inhibitor. The influence of replacement the propylamine group by the dimethylamine group on tissue non-specific alkaline phosphatase inhibition activity of new derivatives (I) and (II) was investigated. The tested compounds (I) and (II) were found to be tissue non-specific alkaline phosphatase inhibitors. Detailed kinetic studies indicated a competitive mode of inhibition against tissue non-specific alkaline phosphatase for compound (I) and non-competitive mode of inhibition for compound (II). (C) 2017 Elsevier B.V. All rights reserved.
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