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A New Dual Luciferase Assay Using NanoLuc® Enables a Second Generation Coincidence Reporter System to Reduce False Hits in HTS Poster
Christopher Eggers, Samuel Hasson, Brock Binkowski, Matt Robers, James Unch, Braeden Butler, , Keith Wood, James Inglese and Frank Fan

Luciferase-based reporter-gene assays remain a cornerstone of high-throughput screening of compounds because of their high sensitivity and dynamic range. However, a substantial number of non-relevant hits can be generated due to direct interaction of compounds with the luciferase reporter.

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CellTiter-Glo® 2.0: A Novel Luminescent Cell Viability Assay with Greatly Enhanced Storage Stability
Michael P. Valley, James Unch, Poncho L. Meisenheimer, James J. Cali, and Dan F. Lazar

Here we report on the attributes of a novel ATP detection reagent for cell viability with all of the assay performance of the previous CellTiter-Glo® Reagent, but now with markedly enhanced stability as a single component in a liquid format. These new features provide for much greater ease-of-use in that storage of the reagent at 4°C eliminates the requirement for reagent thawing and minimizes temperature equilibration time.

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Design and Validation of Bioluminescent Assays for 3D Cell Culture Models Poster
Terry L. Riss, Michael P. Valley, Chad A. Zimprich, Andrew L. Niles, Kevin R. Kupcho and Dan F. Lazar

Cells cultured in 3D model systems often acquire relatively large in vivo-like structures compared to the thickness of a 2D monolayer of cells grown on standard plastic plates.

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iPSC-Derived Cardiomyocytes and Luciferase Reporters: A Robust Reporting Platform for Monitoring Cardioprotection and Pathway Biology in Endogenous Human Tissue Cells
Fiene, S., Thompson, A., Niles, A., Robers, M., Anson, B.

Pathophysiological conditions, medical interventions, and off-target toxicities can all result in cellular oxidative stress. In cardiac myocytes, prolonged and/or excessive oxidative stress can lead to cardiotoxicity: a primary cause of developmental delays, black-box warnings, and post-launch withdrawal of pharmaceuticals.

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Testing a Novel Real Time Cell Viability Assay
Amy Landreman, Sarah Duellman, Wenhui Zhou, Jolanta Vidugiriene, Brad Hook

Recently developed assay technologies make it possible to use multi-well plate readers to measure the number of live or dead cells in culture in real time over a period of days. Live cells are measured in real time by adding a reagent containing a shrimp-derived luciferase and a pro-substrate directly to the culture medium. Only viable cells can convert the pro-substrate into a luciferase substrate and generate light.

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The P450-Glo™ CYP2B6 Assay: a Rapid and Selective Assay for Measuring CYP2B6 Induction and Inhibition
Dongping Ma, Hui Wang, Poncho Meisenheimer, James J. Cali

We have developed a luminogenic CYP2B6 assay for biochemical CYP2B6 inhibition and for cell-based CYP2B6 induction studies. Here we present the CYP2B6 luminogenic assay characterization and demonstrate its utility for measuring time dependent CYP2B6 inhibition, and for measuring CYP2B6 induction in cultured primary human hepatocytes with normalization to viable cell count.

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Picking the best CRISPR-Cas9 targets for functional gene knockout: a machine learning algorithm based on both specificity and functionality
Shawn McClelland, Emily M. Anderson, Žaklina Strezoska, Elena Maksimova, Annaleen Vermeulen, Steve Lenger, Tyler Reed, and Anja van Brabant Smith Dharmacon, now part of GE Healthcare, 2650 Crescent Drive, Suite #100, Lafayette, CO 80026, US

The CRISPR-Cas9 system has the potential to significantly advance basic and applied research.

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Scaffold design, function and over-expression of lentiviral-based microRNAs
Angela Schoolmeesters, Melissa L. Kelley, Annaleen Vermeulen, Anja Smith, *Mayya Shveygert, *Xin Zhou, *Robert Blelloch Dharmacon, now part of GE Healthcare, 2650 Crescent Drive, Suite #100, Lafayette, CO 80026, USA

Here we describe the strategy for scaffold design, the importance of an optimal promoter, and demonstrate gene target down-regulation from the over-expression of lentiviral microRNA mimics.

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Homology-directed repair with Dharmacon™ Edit-R™ CRISPR-Cas9 and single-stranded DNA oligos
John A. Schiel, Eldon T. Chou, Maren Mayer, Emily M. Anderson , and Anja van Brabant Smith | Dharmacon, now part of GE Healthcare, 2650 Crescent Drive, Suite #100, Lafayette, CO 80026, US

Here we demonstrate how to perform lipid based transfections for homology directed repair using DharmaFECT Duo, CRISPR-Cas9 reagents and, synthetic DNA donor oligos.

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Scientific News
Liquid Biopsies: Miracle Diagnostic or Next New Fad?
Thanks to the development of highly specific gene-amplification and sequencing technologies liquid biopsies access more biomarkers relevant to more cancers than ever before.
Uncovering Rhinovirus C Structure
Researchers have determined the structure of rhinovirus C. Their findings may aid the development of antiviral therapies and vaccines.
New Centre Offers Ultra-Speed Protein Analysis
UW-Madison researchers to establish development centre for next-gen protein measurement technologies.
Protein Nanocages Could Improve Drug Design and Delivery
HHMI scientists have designed and built 10 large protein icosahedra that are similar to viral capsids that carry viral DNA.
Virus Inspired Cell Cargo Ships
Virus-inspired container design may lead to cell cargo ships following construction of ten large, two-component, icosahedral protein complexes.
Protein Reinforces Growth of Damaged Muscles
Biologists have found a protein involved in stem cells that bolsters damaged muscle tissue growth - potential for muscle degeneration treatments.
Structure of Cold Virus Solved
Researchers have identified the structure of an elusive cold virus linked to child asthma and respiratory infections, providing the foundation for treating the virus.
New Protein Model Could Accelerate Drug Development
Stony Brook-led international research team creates ultra-fast approach to model protein interactions.
Researchers Can Control Genes Involved in Cancer
A new way to control the activity of a protein, that is often upregulated in cancer, has been discovered by Moffitt researchers through monoubiquitination mechanism.
Mitochondrial Role in Metastatic Cancer
Researchers have manipulated proteins, sourced from tumour cells, that are essential for maintaining tumour cells and in doing so, have significantly reduced the ability of cancer cells.
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