Build Your Own Assay Tools
Complete Set of Tools to Build Your Own Stable Cell lines and Cell-Based Assays
Take advantage of DiscoverX’s robust proprietary Enzyme Fragment Complementation (EFC) technology to develop your own stable cell lines and cell-based assays to study protein-protein interactions, compound-target engagement, cytotoxicity, protein translocation, and much more. Design your own workflows and utilize engineered parental cell lines, retroparticles, and plasmid vectors to introduce your own target of interest and create cell-based assays for multiple applications.
- Any Cell Background – Make your own stable β-arrestin recruitment or cytotoxicity cell-based assays in any dividing cell type with PathHunter® or KILR® retroparticles
- Simple Protocols – Detailed, step-by-step instructions with flow-charts and graphics to simplify assay development
- Complete Kit – Ready-to-use target engagement kit includes all the reagents you need to get you started
- Flexible Solutions – Utilize any of our cell-line expression vectors to introduce mutants, make modifications, or study unique orthologs or isotypes
Easy-to-Follow Protocols for Cell-based Assay Generation Using PathHunter® Parental Cell Lines and Plasmids
Workflow protocol schematic to show how to generate an EFC cell-based assay. Start with an engineered PathHunter® parental cell line containing EA to study subcellular translocation (e.g. including membrane receptor trafficking), SH2 recruitment for receptor kinases, or GPCR β-arrestin recruitment. The specific parental cell line chosen determines the assay type. Then create an ED-tagged target protein plasmid followed by transfection of this plasmid into the parental cell line containing EA. Perform antibiotic selection, detect the level of expression of the two fusion proteins (optional), and perform the desired assay in the presence of a ligand.
Rapidly Create β-Arrestin, Tyrosine Kinase, and Translocation Assays Using Engineered Cells
PathHunter® Parental Cell Lines
Utilize engineered PathHunter parental cells to rapidly develop β-arrestin recruitment, SH2-protein recruitment, or translocation EFC cell-based assays after introducing your protein of interest. These parental cell lines provide the ability to study β-arrestin recruitment with your favorite GPCR, analyze tyrosine kinase activity and SH2-recruitment, or investigate trafficking of your target protein to the plasma membrane, nucleus, or endosome.
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Generate Your Own Stable GPCR Cell Lines for Monitoring Calcium or cAMP Accumulation
ChemiBrite™ andChemiScreen™ Parental Cell Lines
Engineered, stability-tested cell lines in a variety of cell backgrounds ideal for recombinant GPCR expression with or without various coupling status (Gα15, Gqi, Gqo, Gqs). Use with chemiluminescent or fluorescent assays to analyze agonists, antagonists, and modulators of your GPCR target to study functional response. Ready-to-Assay™ parental control frozen cells also available.
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Create Target-Specific, Stable β-Arrestin Cell-Based Assays
PathHunter β-Arrestin Retroparticles
Make your own stable β-arrestin cell lines and EFC cell-based assays for any target in any dividing cell type. Use the assays to analyze the activation and desensitization of GPCRs and regulation of other signaling molecules such as protein kinases that involve β-arrestin recruitment.
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Design Target Cells Expressing Receptor Antigens of Choice to Study Cytotoxicity
KILR® Retroparticles
Generate target cells, expressing natively expressed or engineered surface antigens of choice, in the cells of your choice, to measure target cell death in co-cultures. These designer cytotoxicity assays allow for studying antibody dependent cell-mediated cytotoxicity, complement dependent cytotoxicity, antibody dependent cell phagocytosis, and more.
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Clone Your Protein of Interest into EFC-Based Cloning Vectors
PathHunter ProLink™ and ProLabel® Cloning Vectors
Utilize pCMV Mammalian cloning vectors to clone in your protein of interest with ProLink or ProLabel, as an N- or C-terminal tag, and subsequently transfecting into a cell line to create EFC cell-based assays.
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EFC Vectors Expressing Targets Found in DiscoverX Cell Lines
Expression Vectors
Introduce an expression vector into unique cell types to create EFC cell-based assays. These vectors include a protein target found in our DiscoverX cell-based assays tagged with a ProLink or ProLabel sequence.
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Easily Make Your Own Compound-Target Engagement Cell-Based Assays
InCELL Pulse™ Target Engagement Starter Kit
Develop cellular InCELL Pulse compound-target engagement assays to measure inhibitor cellular potency against user-defined protein targets of interest. These assays apply EFC and ligand-dependent thermal stabilization of target proteins such as protein kinases, methyltransferases, and hydrolases. Employ the simple protocol with minimal hands-on time to obtain quantitative inhibitor EC50 values in a native cellular environment.
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Create Your Own Functional GPCR CHO-K1 EFC-based Cellular Assays
PathHunter® GPCR eXplorer Kit
Utilize a, easy-to-use protocol and reagents to build on-demand functional GPCR assays in just 3 simple steps – Clone. Transfect. Read. This optimized EFC-based platform provides a simple method to explore the functionally of various GPCR mutants or isotypes, or any of your favorite GPCRs.
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Custom Assays and Stable Cell Lines Developed For You
When existing off-the-shelf solutions are not enough or assay developer is not available, trust Eurofins Discovery to develop a solution that will produce the quality results you expect. These services include custom assays with unique cell backgrounds, orthologs, and mutants as well as creation of custom cellular or biochemical assays for drug discovery, process development, and basic research.
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Webinars
Create Your Own Cell-Based Assays to Study Receptor Tyrosine Kinase Function
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Creating Cellular Target Engagement Assays for Diverse Kinases Using InCELL Pulse™
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Create Your Own InCELL Pulse™ Cellular Compound-Target Engagement Assay
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Blog Articles
Do-It-Yourself: Benefits and Challenges of Creating Your Own Cell-Based Assays
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Ideal Methods to Study Cellular Transport of Membrane Proteins
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Why Study GPCR Arrestin Recruitment?
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Critical Needs in Cellular Target Engagement
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Resources
GPCR Products List
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PathHunter Build Your Own β-Arrestin Assays
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PathHunter Protein Translocation Assays: Track Cellular Movement of Proteins to Multiple Membrane Compartments
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KILR Cytotoxicity Assays: Specifically Measure Target Cell Death in Co-Cultures
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InCELL Target Engagement Assays: Universal Cell-Based Compound-Target Binding Assays
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InCELL Pulse™ Target Engagement Kinase Reference Set
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