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Researchers at Strasbourg University and Pierre-Fabre highlight the benefits of a middle-level approach to IgG isotype fingerprinting using native ion-mobility mass spectrometry. In this new article by Botzanowski et al., a middle-level approach was compared to more classical intact methods for distinguishing IgG isotypes using native ion mobility mass spectrometry. Ion mobility mass…
Scientists at the University of Geneva and CNRS present site-specific ADCs generated using the GlyCLICK technology and an analytical middle-up LC-HRMS workflow as a potential core module for ADC development. Antibody-drug conjugates (ADCs) are efficient therapeutic agents that possess the cell-targeting properties of monoclonal antibodies combined with the potency of cytotoxic drugs. Early generation…
Monoclonal antibodies (mAb) are used in various treatments and new potential targets continue to arise. To ensure a high specificity of the antibody to the intended antigen each mAb needs to be well characterized since they are often heterogeneous. In this paper, Giorgetti et al. combined bottom-up, middle-level and intact level analysis to get the…
Scientists at NIBRT in Dublin together with scientists at the University of Manitoba, Winnipeg, have investigated the effect of two different methods to control the level of fucosylation of a model antibody during expression in CHO cells. Production of biopharmaceuticals in mammalian cells requires that critical quality attributes are controlled for safety and therapeutic…
Genovis SmartEnzyme IgGZERO was used in this recent study by researches from the University of Pennsylvania and the Philadelphia Children’s Hospital. Sepsis is a dysregulated immune response to an infection that leads to very high levels of inflammation resulting in tissue damage and potential for multiorgan failure. It therefore leads to a high rate…
Scientists from the University of Delaware demonstrate the use of GlycINATOR for studying transcytosis of IgG in an in vitro model of the blood-brain barrier. Brain endothelial cells (BECs) are important structural components of the blood-brain barrier with a unique physiology that restricts permeability of blood-borne molecules such as therapeutic antibodies to the brain.…
Genovis continues operation and remain committed to serve our customers during the ongoing pandemic crisis. Manufacturing and distribution of the Genovis SmartEnzymes™ are running according to our business continuity plan to meet our customers’ needs and to secure supply. We are monitoring the situation carefully and will notify you immediately if we experience disruptions…
Genentech used FabRICATOR®-HPLC to develop a fast and automated 3D LC-MS workflow for the characterization of glycosylation on therapeutic antibodies. The glycosylation profile is a critical quality attribute of biopharmaceuticals including antibodies. This heterogenous quality attribute can be tackled using a range of different analytical technologies including separation of released glycans , intact glycoprotein…
Scientists at Minerva Imaging demonstrate the use of FabRICATOR® to generate a 64Cu-labeled F(ab’)2 PET-tracer for the detection of changes in T Cell response to combined radiation and immunoblockade therapy. Current immunotherapy response-evaluation criteria are limited in discriminating responsive patients eligible for immunotherapy from non-responders. Accurate evaluations of progression are limited by pseudo-progression, a…
Current strategies for analyzing in vivo biotransformation of antibody-drug conjugates (ADCs) are limited by the site of conjugation, extensive sample preparation and insufficient sensitivity. In this paper by Kotapati et al., the authors developed a universal affinity capture method for assessing the effects of biotransformation on any site-specific ADC using generic reagents and LC-HRMS analysis.…
Scientists at Minerva Imaging demonstrate the potential of site-specific immuno-PET tracers as early identifiers of immune response activation using in vivo imaging. The programmed cell death protein (PD-1) on immune cells and its corresponding tumor-associated ligand (PD-L1) have emerged as effective targets for immunocheckpoint therapy. To date, the selection of patients eligible for PD-L1 blockade…
Which are the top five poster from Genovis in 2019? We have selected the posters that are both popular with our website visitors and that describe the most exciting new applications using SmartEnzymes. Click on the images to download the full posters. 1 - Analysis of O-glycosylated-Biopharmaceuticals using an O-glycan Dependent Endoprotease and LC-MS…
