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    • About
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Retinoid X Receptor Gamma (RXRγ; NR2B3)

Product Family Product Number Product Description Technical Manual
IB0082
RXRγ
(NR2B3)
IB00821-32 Human RXRγ Reporter Assay System, 3 x 32 assays in 96-well format Technical Manual
IB00821 Human RXRγ Reporter Assay System, 1 x 96-well format assays Technical Manual
IB00822 Human RXRγ Reporter Assay System, 1 x 384-well format assays
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This Retinoid X Receptor Gamma (RXRγ) kit is an all-inclusive assay system that includes, in addition to RXRγ Reporter Cells, two optimized media for use during cell culture and (optionally) in diluting the test samples, a reference agonist, Luciferase Detection Reagent, a cell culture-ready assay plate, and a detailed protocol.

RXRγ Reporter Cells are prepared using INDIGO’s proprietary CryoMite™ process. This cryo-preservation method yields high cell viability post-thaw, and provides the convenience of immediately dispensing healthy, division-competent reporter cells into assay plates. There is no need for intermediate spin-and-wash steps, viability determinations, or cell titer adjustments.

INDIGO’s assay kits feature a luciferase detection reagent specially formulated to provide stable light emission between 5 and 90+ minutes after initiating the luciferase reaction. Incorporating a 5-minute reaction-rest period ensures that light emission profiles attain maximal stability, thereby allowing assay plates to be processed in batch. By doing so, the signal output from all sample wells, from one plate to the next, may be directly compared within an experimental set.

Kits are offered in different assay formats to accommodate researchers’ needs: 3x 32, 1x 96, and 1x 384 assay formats for screening small numbers of test compounds, as well as custom bulk reagents for HTS applications.

human retinoid x receptor gamma

Assay Kit & Platforms

Bulk assay reagents can be custom manufactured to accommodate any scale of HTS. Please inquire.

Retinoid X receptor gamma (RXR-gamma), also known as NR2B3 is a nuclear receptor which in humans is encoded by the RXRG gene. Retinoid X receptors (RXRs) and retinoic acid receptors (RARs), are nuclear receptors that mediate the biological effects of retinoids by their involvement in retinoic acid-mediated gene activation. These receptors exert their action by binding, as homodimers or heterodimers, to specific sequences in the promoters of target genes and regulating their transcription. The protein encoded by this gene is a member of the steroid and thyroid hormone receptor superfamily of transcription factors.

INDIGO’s Human Retinoid X Receptor, Gamma (RXRγ) Reporter Assay System utilizes proprietary mammalian cells engineered to provide constitutive, high-level expression of human RXRγ (NR2B3), a ligand-dependent transcription factor. Because these cells incorporate a responsive luciferase reporter gene, quantifying expressed luciferase activity provides a sensitive surrogate measure of RXRγ activity in treated cells.

The primary application of this reporter assay system is in the screening of test samples to quantify functional activity, either agonist or antagonist, that they may exert against human RXRγ.

For more information on RXRγ, visit the Nuclear Receptor Resource.

Service Assays: Human

The primary application of INDIGO’s cell-based nuclear receptor assays are to quantitatively assess the bioactivity of a test compound as an agonist (activator) or antagonist (inhibition of an agonist response) of a given receptor. Service assays include a positive control reference compound and ‘vehicle’ control for every experiment. A formal study report and all data files are provided to the client upon completion of the study. To receive a quote for your proposed study, complete & submit the online “Request a Quote” form or contact an INDIGO Customer Service Representative to discuss your desired study parameters.

Diabetes; Cancer; Psoriasis; Reproduction and Development; Retinoid Panel

Disruption of Nuclear Receptor Signaling Alters Triphenyl Phosphate-Induced Cardiotoxicity in Zebrafish Embryos

ABSTRACT Triphenyl phosphate (TPHP) is an unsubstituted aryl phosphate ester used as a flame retardant and plasticizer within the United States. Using zebrafish as a model, the objectives of this study were to rely on (1) mRNA-sequencing to uncover pathways disrupted following embryonic TPHP exposure and (2) high-content screening to identify nuclear receptor ligands thatRead More

Posted in New Publications | Tagged cardio toxciity, nuclear receptor, nuclear receptor signaling, ortholog, RXR, triphenyl phosphate, zebrafish | Comments Off on Disruption of Nuclear Receptor Signaling Alters Triphenyl Phosphate-Induced Cardiotoxicity in Zebrafish Embryos

Systems toxicology identifies mechanistic impacts of 2-amino-4,6-dinitrotoluene (2A-DNT) exposure in Northern Bobwhite

ABSTRACT Background: A systems toxicology investigation comparing and integrating transcriptomic and proteomic results was conducted to develop holistic effects characterizations for the wildlife bird model, Northern bobwhite (Colinus virginianus) dosed with the explosives degradation product 2-amino-4,6-dinitrotoluene (2A-DNT). A subchronic 60d toxicology bioassay was leveraged where both sexes were dosed via daily gavage with 0, 3, 14, or 30 mg/kg-dRead More

Posted in New Publications | Tagged PPAR, PPARα, PPARβ, PPARγ, RXR | Comments Off on Systems toxicology identifies mechanistic impacts of 2-amino-4,6-dinitrotoluene (2A-DNT) exposure in Northern Bobwhite

β-apo-13-Carotenone Regulates Retinoid X Receptor Transcriptional Activity Through Tetramerization of the Receptor

ABSTRACT Retinoid X receptor (RXRα) is activated by 9-cis-retinoic acid (9cRA) and regulates transcription as a homodimer or as a heterodimer with other nuclear receptors. We have previously demonstrated that β-apo-13-carotenone, an eccentric cleavage product of β-carotene, antagonizes the activation of RXRα by 9cRA in mammalian cells overexpressing this receptor. However, the molecular mechanism ofRead More

Posted in New Publications | Tagged RXR | Comments Off on β-apo-13-Carotenone Regulates Retinoid X Receptor Transcriptional Activity Through Tetramerization of the Receptor

Examination of Retinoid-like Compounds for Human RXRs, RARs, and RORs

View Full Size Research conducted by: Prajakta Albrecht (1), Koji Toyokawa (1), Ewa Maddox (1), Palmer Cramer (1), Jack Vanden Huevel (1,2), & Bruce Sherf (1) (1) INDIGO Biosciences, Inc., 1981 Pine Hall Rd, State College, PA, USA (2) Center for Molecular Toxicology and Carcinogenesis, 325 Life Sciences Building, Penn State University, University Park, PA 16802,Read More

Posted in New Publications, Posters | Tagged RAR, ROR, RXR | Comments Off on Examination of Retinoid-like Compounds for Human RXRs, RARs, and RORs

Examination of Specificity of Retinoid-like Compounds for Human RXRs, RARs, and RORs

ABSTRACT Vitamin A (retinol) and its metabolites play many physiological roles including cell differentiation, cell proliferation, energy homeostasis, circadian rhythm and immune response. Vitamin A and its metabolites are known to act through retinoid acid receptors (RARs), retinoid-related orphan receptors (RORs) and retinoid x receptors (RXRs). These receptors are also important drug targets, although theRead More

Posted in New Publications | Tagged RAR, ROR, RXR | Leave a comment

Regulation of inflammatory and lipid metabolism genes by eicosapentaenoic acid-rich oil

ABSTRACT Omega-3-PUFAs, eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA), are associated with prevention of various aspects of metabolic syndrome. In the present studies, the effects of oil rich in EPA on gene expression and activation of nuclear receptors was examined and compared with other  3-PUFAs. The EPA-rich oil (EO) altered the expression of FA metabolism genes in THP-1 cells, including stearoylRead More

Posted in New Publications | Tagged LXR, PPAR, PPARα, PPARβ, PPARγ, RXR | Comments Off on Regulation of inflammatory and lipid metabolism genes by eicosapentaenoic acid-rich oil

Differential Activation of Nuclear Receptors by Perflunoriated Fatty Acid Analogs and Natural Fatty Acids: A Comparison of Human, Mouse, and Rat Peroxisome Proliferator-Activated Receptor Receptor-a, -b, and -c, Liver X Receptor-b, and Retinoid X Receptor-a

ABSTRACT Administration of ammonium salts of perfluorooctanoate (PFOA) to rats results in peroxisome proliferation and benign liver tumors, events associated with activation of the nuclear receptor (NR) peroxisome proliferator-activated receptor-a (PPARa). Due to its fatty acid structure, PFOA may activate other NRs, such as PPARb, PPARg, liver X receptor (LXR), or retinoid X receptor (RXR). In this study, theRead More

Posted in New Publications | Tagged LXR, LXRβ, PPAR, PPARα, PPARβ, PPARγ, RXR | Comments Off on Differential Activation of Nuclear Receptors by Perflunoriated Fatty Acid Analogs and Natural Fatty Acids: A Comparison of Human, Mouse, and Rat Peroxisome Proliferator-Activated Receptor Receptor-a, -b, and -c, Liver X Receptor-b, and Retinoid X Receptor-a
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