Pharmacokinetics of placental protein 13 after intravenous and subcutaneous administration in rabbits

Drug Design, Development and Therapy
Tijana DrobnjakSveinbjörn Gizurarson

Abstract

Human placental protein 13 (PP13) is a galectin predominantly expressed by the placenta. Low serum concentrations of PP13 in early pregnancy indicate a higher risk of developing preeclampsia. The pharmacokinetic disposition and bioavailability of PP13 were determined by single intravenous and subcutaneous administration to 12 healthy New Zealand White rabbits. The serum pharmacokinetic values were determined by enzyme-linked immunosorbent assay, and are best described by a two-compartment model. Both volume of distribution and the area under the curve were dose dependent for the intravenous group (p<0.01). PP13 elimination half-life was also found to be different between the groups (p<0.01). The bioavailability of PP13 following subcutaneous administration was found to be 57%. This study shows that the concentration of total PP13 released into the maternal circulation during pregnancy might be much higher than previously estimated.

Citations

Dec 16, 2018·Biochimica Et Biophysica Acta. Molecular Basis of Disease·Berthold Huppertz

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Methods Mentioned

BETA
enzyme-linked immunosorbent assay
ELISA

Software Mentioned

GraphPad
GraphPad Prism
Prism
GraphPad InStat
Excel

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