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High Throughput High Content Screening using a Multiwavelength Microplate Cytometer
Sarah Payne, Paul Wylie and Wayne Bowen

The Acumen eX3, a multiwavelength microplate cytometer, offers 405, 488 and 633 nm laser excitations in one instrument. This advancement significantly extends the range of fluorescent reagents that can be combined in multicolour, multiplexed assays over a wavelength range for excitation that is similar to that of white light source instrumentation. Thus, it permits seamless transfer of high content assay protocols, developed using CCD-based imaging devices, onto the Acumen eX3 for screening.

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An Ultra-High Throughput Approach to High Content Screening in 1536-Well Format
Yan Wang, Robert L. Davis and Wayne Bowen

The Acumen Explorer combines the object-recognition capabilities of image-based systems with read speeds similar to that of bulk readers. Here, we demonstrate the powerful integration of an Acumen Explorer with the Kalypsys® Integrated Screening System, with capability to screen > 300,000 wells per day of high content data.

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High Throughput Cell Cycle Analysis using Microplate Cytometry
Tristan Cope and Wayne Bowen

To improve screening efficiency, we have developed a cell cycle analysis method that uses an Acumen Explorer fluorescence microplate cytometer to measure the DNA content of propidium iodide stained fixed cells in microplates. We demonstrate that paclitaxel and vinblastine arrested CHO cells in the expected phase of the cell cycle.

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Detecting the FRET Response of the GeneBLAzer® Cell Line D1 CRE-bla CHO-K1 to Agonists and Antagonists using Microplate Cytometry
Christopher Lupton, Randy Hoffman, Paul Wylie and Wayne Bowen

The GeneBLAzer® CHO.K1-D1 cell line (Invitrogen) stably expresses both the ß-lactamase gene downstream of the cAMP response element (CRE) and the dopamine D1 receptor. Stimulation of the cells with dopamine D1 receptor agonists, results in transcriptional activation of the ß-lactamase gene through CRE. A FRET-enabled substrate (CCF4-AM) fluoresces green, in the absence of ß- lactamase reporter activity, and blue when cleaved.

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Communicating Drug Discovery Data Efficiently and Effectively
Jonathan Davies and Andrew Lemon

In this poster, we present IDBS’ ActivityBase™ - a single, integrated framework that brings together biological and chemical information. The software integrates with Oracle®, the industry standard relational database and familiar Microsoft® applications such as Word and Excel. With all discovery data in one system, the communication of information between scientists is simplified - enabling better, faster decisions and the need for IT support to integrate disparate systems is eliminated.

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A new High Content Screening Paradigm: Combination of Image Analysis Software and Microplate Cytometry
Sarah Payne, Paul Wylie, Simon Carter and Wayne Bowen

Researchers are under increasing pressure to perform high content cell-based assays at throughputs compatible with primary screening. Where throughput is not an issue, microscope-based CCD imagers have predominated within the high content field, due to the breadth of biological assays that can be addressed by image analysis techniques. However, they have limited utility for screening due to their low throughput, limited field of view and generation of terabytes of image data.

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Cloe Screen MDR1-MDCK: A Predictive Model of Drug Permeability
David Turner, Boris Pufong, Susan Hinchliffe, Gayle Corkill, Deborah Slamon, Peter Dykstra, Helen Gill, Clive Dilworth and Darwin Cheney

A MDR1-MDCK permeability screen for assessing the membrane permeability properties of early drug discovery compounds has been developed. This study measured the bi-directional transport of compounds with a range of permeabilities across MDR1-MDCK monolayers. Drug concentrations were analysed by LC-MS/MS, from which apparent permeability values in apical-basolateral and basolateral-apical directions and asymmetry index were calculated.

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Study Management in Late Stage Discovery and Preclinical Research
Glyn Williams and Paul Denny-Gouldson

Organizations need to streamline their operations by managing the entire lifecycle of an experiment - from design to final publication of data. Organizations require the full benefits of IP protection, with the ability to access a solution for data capture, reduction, statistical analysis, charting and data curation. Researchers want a familiar notebook interface that they can use to create and manage study reports and publish data to corporate warehouses and document systems.

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A Software-Aided Approach to Reducing the Synthetic Burdens of Lead Structure Optimization
Sanjivanjit K. Bhal, Karim Kassam and Ed Kolovanov

Following the identification of a lead compound, the usual next step is optimization of that lead via slight structural modifications to improve or retain potency while simultaneously minimizing liabilities. Achieving this balance of required properties is a significant challenge. ACD/Structure Design Suite is a software tool that significantly helps the medicinal compounds that are expected to produce analogs with improved selected physicochemical properties.

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Scientific News
3-D Engineered Bone Marrow Makes Functioning Platelets
Scalable model supports patient-specific treatments, advanced study of blood disorders.
Single-Cell, 42-plexed Protein Analysis Achieved with a New Microchip Technology
A novel microdevice capable of detecting 42 unique immune effector proteins has been developed.
Mini Synthetic Organism Instead Of Test Animals
Using a compact multi-organ chip, and those of three separate microcircuits, researchers can study the regeneration of certain kidney cells.
Novel Organoid Matrix Enables Long-Term Culture of Human Hepatocytes
Organoid growth matrix to enable long-term culture of genome-stable bipotent stem cells from adult human liver.
First Contracting Human Muscle Grown in Laboratory
Researchers at Duke University report the first lab-grown, contracting human muscle, which could revolutionize drug discovery and personalized medicine.
Antriabio Announces Completion Of PK/PD Studies Of AB101
AB101 positioned to be the first once-weekly basal insulin for diabetes patients.
Anti-Diabetic Drug Springs New Hope for Tuberculosis Patients
Drug for treating diabetes can double up as adjunct treatment for tuberculosis.
A Poisonous Cure
Toxic fungi may hold the secrets to tackling deadly diseases.
Antibiotic Resistance Threatens Future of Modern Medicine
Overuse and misuse of antibiotics, one of the key contributors to antimicrobial resistance (AMR).
Bacterial Toxin Targets Discovered
Understanding how bacterial toxins target human cells is set to have major implications for the development of novel drugs.
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