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Thyroid Hormone Receptor Beta (TRβ; NR1A2)

Product Family Product Number Product Description Technical Manual
IB0110
TRβ
(NR1A2)
IB01101-32 Human TRβ Reporter Assay System, 3 x 32 assays in 96-well format Technical Manual
IB01101 Human TRβ Reporter Assay System, 1 x 96-well format assays Technical Manual
IB01102 Human TRβ Reporter Assay System, 1 x 384-well format assays Technical Manual

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Thyroid Hormone Receptor Beta Assay Kit INDIGO Assay Kit

This Thyroid Hormone Receptor Beta (TRβ) assay kit is an all-inclusive firefly luciferase reporter assay system that includes, in addition to TRβ 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.

INDIGO’s cell-based reporter assays allow scientists to detect any biological activity that their test samples may exert against a specific receptor present in the cell. They utilize firefly luciferase reporter gene technology which provides superior precision and sensitivity. Since the receptor binding controls the expression of the luciferase reporter gene, luciferase activity in the cells can be correlated directly with the activity of the receptor. The strength of an interaction of a chemical with the target receptor is quantified using a luminometer to measure the level of light emitted.

Thaw, Feed, Dose, Read

Fast, reproducible, easy-to-analyze results are only four steps away

Many luciferase reporter assays require the user to grow their own cells and take time to optimize the results. INDIGO’s reporter cells contain the receptor of interest and the luciferase reporter gene. Reporter cells have been optimized to provide extreme sensitivity to quantify even small changes in receptor activity. With INDIGO’s cell-based reporter assays, the process is as easy as Thaw, Feed, Dose, and Read.

TRβ Reporter Cells

TRβ Reporter Cells are prepared using INDIGO’s proprietary CryoMite™ process. This proprietary cryopreservation process, enables long-term preservation of our unique reporter cells, so we can ship our cryopreserved reporter cells and assay reagents to you via overnight delivery, for your immediate use. Or, you can store the assay kits at -80°C. Once thawed, reporter cells are ready for immediate use so there is no need to take time on intermediate spin-and-wash steps, viability determinations, or cell titer adjustments.

TRβ Luciferase Reporter

INDIGO’s TRβ 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.

Assay Kit & Platforms

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

TRb assay kits also available in: Zebrafish

Thyroid Hormone Receptor Beta Assay Kit

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.

TRb Service Assays: Human, Zebrafish

Thyroid Hormone Receptor Beta Background

The protein encoded by this gene is a nuclear hormone receptor for triiodothyronine. It is one of the several receptors for thyroid hormone, and has been shown to mediate the biological activities of thyroid hormone. Knockout studies in mice suggest that the different receptors, while having certain extent of redundancy, may mediate different functions of thyroid hormone. Mutations in this gene are known to be a cause of generalized thyroid hormone resistance (GTHR), a syndrome characterized by goiter and high levels of circulating thyroid hormone (T3-T4), with normal or slightly elevated thyroid stimulating hormone (TSH). Several alternatively spliced transcript variants encoding the same protein have been observed for this gene.

INDIGO’s TRβ Reporter Assay System utilizes proprietary human cells engineered to provide constitutive, high-level expression of Human Thyroid Hormone Receptor Beta (NR1A2), a ligand-dependent transcription factor. Because these cells incorporate a responsive luciferase reporter gene, quantifying expressed luciferase activity provides a sensitive surrogate measure of TRβ activity in the treated cells.

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

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

Synonyms: Thyroid Hormone Receptor Beta, TRβ, TRb TR Beta, Human Thyroid Hormone Receptor Beta, NR1A2, THR1, TRbeta, THRB1, THRB2, ERBA2, GRTH, Nuclear Receptor Subfamily 1 Group A Member 2, Thyroid Hormone Nuclear Receptor Beta )

Thyroid Hormone Receptor Beta Assay Data

thyroid hormone receptor beta agonist

Activity dose-response of TRβ using various reference agonists. Dose-response analyses of TRβ were performed according to the protocol provided in this Technical Manual. Reporter Cells were treated with T3 (3,3’,5-L-Triiodothyronine), T2 (3,3’-L-Triiodothyronine), rT3 (3,3’,5’-L-Triiodothyronine), T4 (L-Thyroxine), KB2115, and Sobetirome. Appendix 1 in the assay technical manual provides a recommended range of treatment concentrations for T3, the reference agonist provided with this kit. Luminescence per assay well was quantified and values of average relative light units (RLU) and corresponding standard deviation (SD) were determined for each treatment concentration (n ≥ 4). Fold-activation (signal-to-background) and Z’ values were calculated as described by Zhang, et al. (1999). Non-linear regression analyses and EC50 calculations were performed using GraphPad Prism software.

Thyroid Hormone Receptor Beta Assay Research Areas

Dyslipidemia; Obesity; CNS, Circadian and Basal Metabolism; Lipid Metabolism and Energy; Environmental Toxicology

Research articles associated with TRβ

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