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Development of a fluorescent microsphere-based multiplexed high-throughput assay system for profiling of transcription factor activation



Development of a fluorescent microsphere-based multiplexed high-throughput assay system for profiling of transcription factor activation



Assay and Drug Development Technologies 4(3): 285-292



Transcription factors (TFs), which play crucial roles in the regulation of gene expression in the human genome, are highly regulated by a variety of mechanisms. A single extracellular stimulus can trigger multiple signaling pathways, and these in turn can activate multiple TFs to mediate the inducible expression of target genes. Alterations in the activities of TFs are often associated with human diseases, such as altered activating factor 1, estrogen receptor, and p53 function in cancer, nuclear factor kappaB in inflammatory diseases, and peroxisome proliferator-activated receptor gamma in obesity. A systematic assay for profiling the activation of TFs will aid in elucidating the mechanisms of TF activation, reveal altered TFs associated with human diseases, and aid in developing assays for drug discovery. Here, we developed a 24-plex fluorescent microsphere-based TF activation assay system with a 96-well plate format. The assay system enabled high-throughput profiling of the DNA binding activity of TFs in multiple samples with high sensitivity.

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Accession: 048760040

Download citation: RISBibTeXText

PMID: 16834534

DOI: 10.1089/adt.2006.4.285



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