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. 2018 Jul 23;8:11089. doi: 10.1038/s41598-018-29432-4

Figure 2.

Figure 2

Tissue non-specific alkaline phosphatase (TNAP) is the main phosphatase in human plasma. (A) Kinetic characterization of levamisole inhibition of pNPP hydrolysis. (B) Michaelis-Menten saturations curves to determine the Km and Vmax of plasma pNPP hydrolysis in the absence (−) or presence (+) of levamisole. (C) Plasmatic ALP activity in pre- and post-hemodialysis plasma (PreHD and PostHD, respectively) in absence and presence of 100 µmol/L levamisole (+Lev). (D) Kinetic characterization of pyrophosphate inhibition of pNPP hydrolysis. Results are presented as mean ± SEM of nine pools of post-hemodialysis plasma samples in three independent experiments.