Libraries of mifepristone analogs, MP-Acids, were designed and synthesized to increase the chances of identifying GR antagonists that possess liver-selective pharmacological profiles. MP-Acids were uniformly potent GR antagonists in binding and in cell-based functional assays. A high throughput pharmacokinetic selection strategy that employs the cassette dosing of MP-Acids was developed to identify liver-targeting compounds. Thus, resource-intensive in vivo assays to measure liver-selective pharmacology were enriched with GR antagonists that achieve high concentrations in the liver.
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| http://dx.doi.org/10.1016/j.bmcl.2006.10.001 | DOI Listing |
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