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Biotech / Medical : Tularik Inc. (TLRK) -- Ignore unavailable to you. Want to Upgrade?

To: scaram(o)uche who wrote (284)	8/19/2002 3:06:49 PM
From: scaram(o)uche	Read Replies (1) \| Respond to of 598

United States Patent 6,432,654 de la Brousse , et al. August 13, 2002 -------------------------------------------------------------------------------- Drug screens for regulators of the expression of the obese gene Abstract The invention provides methods and compositions for screening for pharmacological agents which regulate satiety, fat metabolism and/or the type II diabetes mellitus in mammals, and in particular, agents active at regulating the level of ob gene expression. An exemplary assay involves (a) contacting a mammalian adipocyte comprising a mutant of a native ob allele encoding a reporter of ob gene expression, wherein the expression of the reporter is under the control of the gene expression regulatory sequences of the native ob allele, with a candidate agent under conditions whereby but for the presence of the agent, the reporter is expressed at a first expression level; and, (b) measuring the expression of the reporter to obtain a second expression level, wherein a difference between the first and second expression levels indicates that the candidate agent modulates ob gene expression. Preferred methods include cell-based transcription assays using adipocytes from transgenic animals having a "knock-in" luciferase reporter at least one ob allele. -------------------------------------------------------------------------------- Inventors: de la Brousse; Fabienne Charles (San Francisco, CA); Chen; Jin-long (Millbrae, CA) Assignee: Tularik Inc (South South Francisco, CA) Appl. No.: 114552 Filed: July 13, 1998 This is a divisional application of U.S. Ser. No. 08/707,408, filed Sep. 4, 1996, now U.S. Pat. 780,258, which is incorporated herein by reference.