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US 6,942,980 B1Granted
Methods of identifying compounds having nuclear receptor negative hormone and/or antagonist activities
AssigneeAllergan, Inc.
InventorsElliott S. Klein, Sunil Nagpal, Roshantha A. Chandraratna
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Abstract
Methods of characterizing and identifying negative hormones of nuclear receptors. Also disclosed are methods of making modulators of retinoid nuclear receptor transactivation activity, assays for agonists, antagonists, and negative hormones of the RAR receptor, and specific retinoid modulators of retinoid nuclear receptors.
Claims4
A method for determining whether a compound is an inverse agonist of a retinoid receptor comprising the steps:
- a) contacting a polypeptide comprising a ligand binding region and a ligand dependent transactivation region of said retinoid receptor with a test compound in the presence of a reporter gene, wherein the expression of said reporter gene is sensitive to stimulation by said retionoid receptor in the presence of an agonist of said retinoid receptor, and
- b) determining the ability said polypeptide to stimulate expression of said reporter gene in the presence of said test compound as compared to the ability of said polypeptide to stimulate expression of said reporter gene in the basal state, said basal state occurring in the absence of a ligand of said retinoid receptor,
- wherein repression of the ability of said polypeptide to stimulate expression of said reporter gene in the presence of the test compound relative to the basal state according to step b indicates that the test compound is an inverse agonist.
Dependencies are inferred from the claim text.