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A mix-and-read cell-based assay for antibody screening against Epithelial Growth Factor Receptor
Wayne P Bowen, David Onley, Paul Wylie, Diana Caracino and Tristan Cope

Here we present a sensitive robust, mix-and-read method for the screening of antibodies against cell surface proteins. With its simple operation, no-wash format, and high sensitivity, this new method is well-suited for high throughput antibody screening.

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Random Homozygous Gene Perturbation (RHGP) as a Tool for Target Discovery and Validation
Wu-Bo Li and Michael Goldblatt

Random homozygous gene perturbation (RHGP) can identify and validate any host (cellular) gene target that directly causes a desired phenotype without requiring prior knowledge of the target. The central feature of RHGP is a unique lentiviral-based genetic element, known as a gene search vector (GSV) designed to interrogate the entire genome and identify target genes that cause the phenotype of interest.

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Metal Polymers, A Glue to Immobilise Proteins Onto Synthetic Surfaces
Abernethy N, Chung E, Fontanelle BT, Gao Y, Jennins D, Koudijs MM, Lim D, Yang L, Ling T, Vukovic P, Wong A, Maeji, NJ

The main objective of this work was to develop a surface chemistry which maintains protein function and orientation per unit surface area, regardless of the surface used.

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Automated Solutions for Cellular Screening and Characterization of Therapeutic Antibodies for Antibody-Dependent Cellular Cytotoxicity Utility
Brad Larson, Peter Banks , Nicolas Pierre, Stéphane Martinez, and Francois Degorce

Since the end of the 1990’s, the pharmaceutical industry has seen an increased interest in biologics, especially in the therapeutic areas of oncology and inflammation. Here we present the automation of two assays for the characterization and selection of potent antibody drug candidates. Both assays rely on HTRF® detection. The first assay quantifies the binding affinity of antibodies to their target antigen, on live cells.

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Improving Cell-Mediated Cytotoxicity Assessment through the Use of an Automated Luminescent ADCC Assay
Brad Larson, Sumant Dhawan, Shalini Wadwani, and Peter Banks

Assays that can assess the ability of a biosimilar to act in a manner similar to the original biologic have seen increased interest. This poster describes the use of a non-radioactive luminescent chemistry to simplify the assay process and provide improved data quality.

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Modular Bench Top Automation
Paul Held, Dean Mulyk, Lenore Buehrer and Grace Mangialardi

ELISA is one the most utilized assay formats in biomedical research. Numerous clinical, veterinary, and research assays use the specificity of antibodies to identify a diverse array of analytes from any number of different matrices. This poster details a modular bench top workstation capable of automating the assay process steps of most conventional ELISA assays.

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Optical Microchip Sensors for Multiplexed Detection of Biological Pathogens
D. Bhatta, A. Michel, M. Marti Villalba, G. D. Emmerson, I. J. G Sparrow, M. B. McDonnell, E. A. Perkins , R. W. Ely and G. A. Cartwright

SpectroSens, a multi-channel optical microchip sensor system suitable for rapid, label-free multiplexed detection of a wide range of bio-hazardous agents is presented. Optical chips containing multiple high-precision planar Bragg gratings are exploited as low-cost, robust refractive index sensors.

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A Mix-and-Read Cell-Based Assay for Antibody Screening Against Epidermal Growth Factor Receptor
Wayne Bowen, David Onley, Tristan Cope

The conventional antibody screening assay based on antibody-antigen binding has been enzyme-linked immunosorbent assay (ELISA). While tedious and consuming, ELISA has proved sufficient for the identification of antibodies directed against secreted antigens. However, cell surface antigens (e.g. GPCRs) provide challenges for ELISA due to the shortage of soluble antigens and high variability resulting from loss of cells during wash procedures.

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Gene expression analysis of CD14+ monocytes immunomagnetically separated directly from whole blood: adaptation of protocols towards clinical trial requirements
Gregor Winkels1, Ines Dischinger1, Katharina Bublitz1, Evert Luesink2, Nanguneri R. Nirmala2, Frank Staedtler2, Keith J. Johnson2, Alena Fitz1, Sabrina Schmitz1, Dirk Dietrich1, Sonja Balzer1, Sabine Classen1, Silvia Rüberg1, Uwe Janssen1, and Bernhard Gerstmayer1

Peripheral blood is widely used as starting material for biomarker discovery and validation using molecular biology technologies. The vast majority of currently published transcriptome data is based on RNA derived either from stabilized whole blood or peripheral blood mononuclear cells (PBMCs). Here, gene expression profiling studies and SOPs for fast, easy and specific manual or automated isolation of monocytes directly from whole blood are being described.

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Showing Results 11 - 20 of 23
Scientific News
Blood Cleanser for Sepsis
Dialysis-like ‘biospleen’ quickly filters bacteria, fungi and toxins.
Intestinal Bacteria Needed for Strong Flu Vaccine Responses in Mice
Study demonstrate a dependency on gut bacteria for strong immune responses to the seasonal flu and inactivated polio vaccines.
Blocking One Receptor on Cells Could Halt Rheumatoid Arthritis
Researchers uncovered multiple pathological processes driven by the activation of the receptor.
New Defence Mechanism Against Viruses Discovered
Mechanism may represent one of the oldest defence mechanisms against viruses in evolutionary history.
Novel Immunotherapy Breast Cancer Vaccine
Vaccine Decreases Recurrence in HER2 Positive Breast Cancer Patients.
Cell ‘Memory’ Could be Key to Strengthen Vaccine Efficacy
Virginia Tech Carilion Research Institute scientists uncover immune system secret.
Apitope Treatment Approach Published in Nature Communications
Scientists discover how to 'switch off' autoimmune diseases.
NIH-Led Scientists Discover HIV Antibody that Binds to Novel Target on Virus
The antibody, 35O22, prevents 62 percent of known HIV strains from infecting cells in the laboratory.
Breakthrough Melanoma Treatment, Keytruda, Developed
New immunotherapy launched in the US for treatment of adults with advanced melanoma, developed using antibody humanization expertise at UK’s MRC Technology.
‘Switching off’ Autoimmune Diseases
Scientists have made an important breakthrough in the fight against debilitating autoimmune diseases by revealing how to stop cells attacking healthy body tissue.
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