ToxReporter ARE Cell Line by MilliporeSigma

Manufacturer MilliporeSigma

ToxReporter ARE Cell Line by MilliporeSigma product image
ToxReporter ARE Cell Line
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Cell Line Description:
The ToxReporter ARE Cell Line contains a reporter gene under transcriptional control of the Antioxidant Response Element (ARE) promoter. This reporter construct is stably integrated into the MCF-7 cell line. The induction of a toxic response through the ARE pathway results in the secretion of a reporter (ToxReporter) protein into the cell culture media. The secreted ToxReporter protein in the media can then be quantified using the ToxReporter ELISA kit. This cell line has been optimized for assay performance including plate seeding number, stimuli concentration for optimal response and stimulation time. Validations for assay performance include EC50 and Z’.

Pathway Description:
Virtually all toxic responses are preceded by the transcriptional activation of stress response pathways and many therapeutic responses involve downstream transcriptional events. The promoters of genes activated in this manner therefore have the potential to be used to provide early markers of response. The ToxReporter cell lines were stably transfected with a series of promoters that are used to drive reporters which are easily detectable in tissue culture medium. As a consequence, the ToxReporter cell lines allow the detection of early biomarkers of toxicity. In the ARE ToxReporter engineered cell line, stress response induced by toxic agents leads to the activation of nuclear factor erythroid 2-related factor (Nrf2) which binds and activates the ARE promoter.