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Mouse FXR Reporter Assay Kit
Product Description and Product Data
This is an all-inclusive cell-based luciferase reporter assay kit targeting the Mouse Farnesoid X Receptor (mFXR). INDIGO’s mFXR reporter assay utilizes proprietary mammalian cells that have been engineered to provide constitutive expression of the mFXR. In addition to mFXR Reporter Cells, this kit provides two optimized media for use during cell culture and in diluting the user’s test samples, a reference agonist, Luciferase Detection Reagent, and a cell culture-ready assay plate. The principal application of this assay is in the screening of test samples to quantify any functional activity, either agonist or antagonist, that they may exert against mFXR. This kit provides researchers with clear, reproducible results, exceptional cell viability post-thaw, and consistent results lot to lot. Kits must be stored at -80C. Do not store in liquid nitrogen. Note: reporter cells cannot be refrozen or maintained in extended culture.
Features
Clear, Reproducible Results
- All-Inclusive Assay Systems
- Exceptional Cell Viability Post-Thaw
- Consistent Results Lot to Lot
Product Specifications
| Target Type | Nuclear Hormone Receptor, Nuclear Receptor Orthologs | ||
| Species | Mouse | ||
| Receptor Form | Hybrid | ||
| Assay Mode | Agonist, Antagonist | ||
| Kit Components |
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| Shelf Life | 6 months | ||
| Shipping Requirements | Dry Ice | ||
| Storage temperature | -80C |
Data
Target Background
The Farnesoid X Receptor (FXR), also known as NR1H4 is a nuclear hormone receptor with activity similar to that seen in other steroid receptors such as estrogen or progesterone receptor, but more similar in form to PPAR, LXR, and RXR. FXR is expressed at high levels in the liver and intestine. Chenodeoxycholic acid and other bile acids are natural ligands for FXR.
Like other steroid receptors, when activated, FXR translocates to the cell nucleus, forms a heterodimer with RXR and binds to hormone response elements on DNA (FXEs) to elicit expression or transrepression of gene products. One of the primary functions of FXR activation is the suppression of cholesterol 7 alpha-hydroxylase (CYP7A1), the rate-limiting enzyme in bile acid synthesis from cholesterol. FXR does not directly bind to the CYP7A1 promoter. Rather, FXR induces expression of small heterodimer partner (SHP) which then functions to inhibit transcription of the CYP7A1 gene. In this way a negative feedback pathway is established in which synthesis of bile acids is inhibited when cellular levels are already high.
These Mouse FXR Reporter Assay Systems utilize non-human mammalian cells engineered to express Mouse NR1H4 protein, commonly referred to as mFXR.
The principle application of this assay product is in the screening of test samples to quantify functional activities, either agonist o
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