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J Biomol Screen. 2010 Oct;15(9):1063-70. doi: 10.1177/1087057110380570. Epub 2010 Sep 20.

High-throughput molecular imaging for the identification of FADD kinase inhibitors.

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Department of Radiation Oncology, University of Michigan, Ann Arbor, MI 48109, USA.


Fas-associated protein with death domain (FADD) was originally reported as a proapoptotic adaptor molecule that mediates receptor-induced apoptosis. Recent studies have revealed a potential role of FADD in NF-κB activation, embryogenesis, and cell cycle regulation and proliferation. Overexpression of FADD and its phosphorylation have been associated with the transformed phenotype in many cancers and is therefore a potential target for therapeutic intervention. In an effort to delineate signaling events that lead to FADD phosphorylation and to identify novel compounds that impinge on this pathway, the authors developed a cell-based reporter for FADD kinase activity. The reporter assay, optimized for a high-throughput screen (HTS), measures bioluminescence in response to modulation of FADD kinase activity in live cells. In addition, the potential use of the reporter cell line in the rapid evaluation of pharmacologic properties of HTS hits in mouse models has been demonstrated.

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