Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:3.1.3.1 (alkaline phosphatase)
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The effects of zinc pyrithione (ZnPT) and sodium pyrithione (NaPT), including the influence of various vehicles, upon whole blood and plasma zinc levels and serum alkaline phosphatase (SAP) have been investigated in rabbits following dermal and/or iv administration. Two such vehicles, ammonium lauryl sulfate (ALS) and triethanolamine lauryl sulfate, affected zinc homeostasis differently than the pyrithiones, in that, unlike the pyrithiones, no whole blood changes were observed, although there were delayed and sustained declines in plasma zinc and SAP values. These changes were most likely related to the skin irritation caused by the surfactants. In contrast, NaPT-dimethyl sulfoxide (DMSO) dermal and iv exposures produced rapid decreases in plasma zinc followed by quick recovery, coupled with smaller and unsustained declines in SAP. Large increases in whole blood zinc were also observed in both cases, as well as in a ZnPT-DMSO iv exposure. DMSO itself had no effects on the measured parameters. Experiments involving combinations of the pyrithiones and ALS demonstrated effects on zinc homeostasis that were attributable to both substances, i.e. large increases in whole blood zinc (PT effect), quick drops in plasma zinc (PT effect) and slowly recovering plasma zinc and SAP values (surfactant effect). The chelating nature of the PT molecule may have been responsible for some of the observed changes in zinc distribution.
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PMID:Effects of pyrithiones and surfactants on zinc and enzyme levels in rabbits. 739 40