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Drug Metabolism

Binding of drugs to hepatocytes characterized

Published in Hepatitis Weekly, April 18th, 2005

Hepatocyte binding has been characterized in a number of therapeutic agents.

In a recent study from England, the "binding of 17 drugs to rat hepatocytes" was "determined using equilibrium dialysis in combination with metabolic inhibitors and a kinetic model for the binding and dialysis processes."

"Metabolic inhibitors were used to retard the main routes of metabolism such that the half-life for turnover of the drugs was comparable to or greater than the time scale of the equilibrium dialysis process," explained R.P. Austin and coauthors at AstraZeneca R&D Charnwood.

"Further experiments were carried out to determine the kinetics...

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