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  • PRODUCTS
    • Assay Kit Platform & Formats
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Retinoid X Receptor Beta (RXRβ; NR2B2)

Product Family Product Number Product Description Technical Manual
IB0810
RXRβ
(NR2B2)
IB00811-32 Human RXRβ Reporter Assay System, 3 x 32 assays in 96-well format Technical Manual
IB00811 Human RXRβ Reporter Assay System, 1 x 96-well format assays Technical Manual
IB00812 Human RXRβ Reporter Assay System, 1 x 384-well format assays Technical Manual

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  • Kits
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  • Background
  • Data
  • Research Areas

Retinoid X Receptor Beta Assay Kit INDIGO Assay Kit

This Retinoid X Receptor Beta (RXRβ) assay kit is an all-inclusive firefly luciferase reporter assay system that includes, in addition to RXRβ 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.

RXRβ 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 RXR beta 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.

RXR beta assay 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.

Assay Kit & Platforms

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

Retinoid X Receptor Beta Assay Services

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.

Retinoid X Receptor Beta Background

Retinoid X receptor beta (RXR-beta), also known as NR2B2 is a nuclear receptor which in humans is encoded by the RXRB 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 Beta (RXRβ) Reporter Assay System utilizes proprietary mammalian cells engineered to provide constitutive, high-level expression of human RXRB (NR2B2), a ligand-dependent transcription factor. Because these cells incorporate a responsive luciferase reporter gene, quantifying expressed luciferase activity provides a sensitive surrogate measure of RXRβ 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 RXRβ.

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

Synonyms: Retinoid X Receptor Beta, RXRβ, RXR Beta, RXRb, Human Retinoid X Receptor Beta, hRXRβ, NR2B2

Retinoid X Receptor Beta Assay Data

human retinoid x receptor beta

Agonist and Antagonist dose-response analyses of the Human RXRβ. A.) Analyses of RXRβ Reporter Cells using the reference agonists 9-cis-Retinoic Acid (provided), and LG100268 (Sigma-Aldrich). B.) Analyses of RXRβ antagonist dose-responses using HX531 and UVI3003 (Tocris). Assay setups and quantification of RXRβ activity were performed following the protocol provided in the assay Technical Manual. Luminescence was quantified and average relative light units (RLU) and corresponding standard deviation (SD) values were determined for each treatment concentration (n ≥ 4). Values of Fold-activation and Z’ were calculated as described by Zhang, et al. (1999). Non-linear regression and EC50 analyses were performed using GraphPad Prism software. High S/B and Z' scores confirm the robust performance of this RXRβ Assay.

Retinoid X Receptor Beta Assay Research Areas

Diabetes; Cancer; Autoimmune Disease; Psoriasis; CNS, Circadian and Basal Metabolism; Retinoid Panel

Research articles associated with RXR

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