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  • PRODUCTS
    • Assay Kit Platform & Formats
    • Reporter Assays By Receptor
    • Growth Factor Assays
    • Toxicology Kits
      • In Vitro Hepatotoxicity Assay Kit & Screening Services
      • Assay Kits & Services for Gene Expression Profiling
      • Human P-Glycoprotein / MDR1 Drug Interaction Assay Kit & Screening Services
    • Environmental Monitoring Assays
    • Animal Model Assays
    • INDIGlo Luciferase Detection Reagent
    • Live Cell Multiplex
  • SERVICES
    • Reporter Assay Services
    • Nuclear Receptor Profiling & Panels
    • Custom Assay Development
    • Environmental Testing Assays
    • Toxicology in The Drug Discovery and Development Process
  • RESOURCES
    • Nuclear Receptor Overview
    • Disease State Targets
      • Overview
      • Anemia & Kidney Disease
      • Autoimmune Disease & Inflammation
      • Cancer
      • Cardiovascular Disease
      • Diabetes
      • Endocrinology
      • NAFLD/NASH
      • Obesity
    • Articles, Blogs, and Posters
      • New Research Publications
      • Scientific Whitepapers from INDIGO
      • Scientific Posters from INDIGO
      • BLOG
    • Product Literature
      • INDIGO Technical Manuals
      • Product Material Safety Data Sheets
      • upcyte® Hepatocytes
    • FAQ
  • ABOUT
    • About INDIGO
    • Why INDIGO
    • Key Personnel
      • Board of Directors & Advisors
      • Management
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    • INDIGO Press Releases
    • INDIGO in the News
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    • Contact INDIGO
    • Request a Quote
    • Ordering & Distributors
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INDIGO’s Luciferase Reporter Assays

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. With firefly luciferase reporter gene technology, receptor binding controls the expression of the luciferase reporter gene so 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 can then quantified using a luminometer to measure the level of light emitted.

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 assay kits already contain reporter cells which contain the receptor of interest and the luciferase reporter gene. Our reporter cells have also already 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.

Luciferase Reporter Cells

INDIGO Biosciences’ reporter assays feature engineered receptor-specific reporter cells 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.

Luciferase Reporter Technology

Luciferase reporter assays capitalize on the extremely low background, high sensitivity, and broad linear dynamic range of bio-luminescence reporter gene technology. INDIGO’s reporter cells incorporate the cDNA encoding beetle luciferase, a 62 kD protein originating from the North American firefly (Photinus pyralis). Luciferase catalyzes the mono-oxidation of D-luciferin in a Mg+2-dependent reaction that consumes O2 and ATP as co-substrates, and yields as products oxyluciferin, AMP, PPi, CO2, and photon emission. Luminescence intensity of the reaction is quantified using a luminometer and is reported in terms of Relative Light Units (RLU’s). So, with utilizing INDIGO’s cell-based luciferase reporter assay you are able to quantify the changes in luciferase expression in the test sample-treated reporter cells providing a sensitive surrogate measure for changes in activity.

INDIGO’s Luciferase Reporter Assay Kits

INDIGO’s luciferase reporter assay systems are engineered to provide optimal assay sensitivity and dynamic range when quantifying receptor activity. Following ligand-activation, the receptor complex acts to induce expression of the luciferase reporter. Upon addition of detection reagent, the intensity of light emission from the luciferase reaction can be directly correlated to the activation status of the specific receptor. All INDIGO reporter assay kits incorporate a detection reagent specially formulated to provide stable light emission between 5 and 90+ minute after initiating the luciferase reaction, thus allowing users the ability to dispense detection reagent into all assay wells prior to commencing activity measurements. This eliminates the need for a luminometer equipped with injectors and allows plates to be processed in batch, which dramatically reduces the start-to-finish read time of assay plates. Test compounds may be screened for agonist or antagonist activities against receptors and transcription factors expressed within the cytoplasm and nuclear environments of healthy, dividing mammalian cells.

Learn more about the benefits of Luminescence Reporter Technology

TURNKEY REPORTER ASSAY KIT FORMATS

INDIGO Biosciences’ luciferase reporter assays are optimally configured for processing in 96- and 384-well format assay plates. Single plate kits (1x 96- and 1x 384-well) are offered as all-inclusive assay systems. Each kit includes luciferase reporter cells, an assay plate, all required reagents (optimized culture media, positive-control agonist, and detection reagent), as well as a detailed Technical Manual.

Bulk Reagent Packs are offered to accommodate the needs of HTS users. These products are scaled for 10x 96- and 10x 384-well plate assays and provide luciferase reporter cells, optimal culture media, positive-control ligand, luciferase detection reagent, and a detailed Technical Manual and Protocol Quick Guide. Bulk Reagent Packs do NOT include assay plates because HTS facilities typically stock large quantities of such plates.

Please note that, regardless of assay format, Luciferase Reporter Cells are single-use reagents. Once thawed, Reporter Cells can not be refrozen or reused. Assay kits provide sufficient extra volumes of all reagents to accommodate the needs of performing mechanical transfers and test compound dilutions. However, extra volumes of reporter cells and Luciferase Detection Reagent should be discarded after each assay set-up.

Five basic configurations of our luciferase reporter assay kits are offered:

  • 3x 32 assays in a 96-well format plate.
    This all-inclusive kit contains reporter cells and sufficient materials to perform three distinct groups of 32 assays. Each group will comprise 32 nuclear receptor assays, and will utilize four 8-well strips affixed to a 96-well frame (provided). If desired, however, reagents may be combined to perform either 64 or all 96 assay reactions at one time.
  • 1x 96-well assay.
    This all-inclusive kit format contains reporter cells and all additional materials needed and is intended for users wishing to dedicate one entire 96-well plate to performing nuclear receptor assays.
  • 1x 384-well assay.
    This all-inclusive kit format is intended for users wishing to dedicate one entire 384-well plate to performing nuclear receptor assays.
  • 960 assay Bulk Reagent Pack for (10x) 96-well plates.
    This kit format is intended to accommodate HTS applications in which a minimum of ten (10) 96-well plates will be dedicated to a single screening run. Assay plates are NOT supplied with this product. Hence, users must provide white, sterile, cell-culture treated 96-well assay plates.
  • 3,840 assay Bulk Reagent Pack for (10x) 384-well plates.
    This kit format is intended to accommodate HTS applications in which a minimum of ten (10) 384-well plates will be dedicated to a single screening run. Assay plates are NOT supplied with this product. Hence, users must provide white, sterile, cell-culture treated 384-well assay plates.

All Bulk Reagent Packs are manufactured on-demand, and require a maximal lead time of 12 business days for delivery. We welcome inquiries pertaining to the custom manufacture of alternative volume Bulk Reagent Packs. Please let us know how we may better help you achieve your research goals!

All Luciferase Reporter Assay System products are shipped on dry ice for overnight delivery anywhere within the United States.

HOW TO USE OUR KITS: A QUICK GUIDE VIDEO

Perform nuclear receptor assays with easy-to-use kits from INDIGO Biosciences. This short video provides a brief overview of what to expect when working with our kits, including unpacking and storing kit contents, setting up and performing the assays, and reviewing data and results.

*Please note, this video is for INDIGO’s non-pre-incubation assays. INDIGO’s pre-incubation assays involve minor but crucial additional Day 1 steps and different dispensed volumes. Always refer to your Technical Manual (included in all kit shipments) for the most up-to-date information and proper technique. Find out which kits require pre-incubation

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