Thursday, 17 May 2007
3rd Floor Hall (Pfahler Hall)
278

Synthesis and Activity of 3-(3-Hydroxybenzoyl)indazoles as Potent Pathway-Selective, Estrogen-Receptor (ER) Ligands Capable of Inhibiting NF-KB Mediated Inflammatory Gene Expression

Edward Matelan1, Robert Steffan1, Susan Chippari1, Eugene Trybulski1, Richard C. Winneker1, Douglas C. Harnish1, Christopher C. Chadwick2, and Mark A. Ashwell3. (1) Wyeth, Collegeville, PA, (2) Life Diagnostics Inc., West Chester, PA, (3) ArQule, Woborn, MA

Inflammation is recognized as a key component of diseases such as atherosclerosis, rheumatoid arthritis, and inflammatory bowel disease. It has been reported that pathway-selective, estrogen-receptor (ER) ligands capable of indirectly inhibiting NF-KB-mediated inflammatory gene expression result in a reduction of cytokines, chemokines, adhesion molecules, and inflammatory enzymes. These ligands lacking conventional estrogenic activity, such as the stimulation of uterine cell proliferation, would be of potential use in the treatment of chronic inflammatory diseases. A series of 3-(3-hydroxybenzoyl)indazoles were identified as pathway-selective ER ligands capable of indirectly inhibiting NF-KB gene transcription. Their synthesis and activity are described.

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