Chromatographic, electrophoretic, and mass spectrometric methods for the analytical characterization of protein biopharmaceuticals

S Fekete, D Guillarme, P Sandra, K Sandra - Analytical Chemistry, 2016 - ACS Publications
Protein biopharmaceuticals are macromolecules with a therapeutic effect, commonly
produced by the recombinant DNA technology. They have emerged as important …

Macro-and micro-heterogeneity of natural and recombinant IgG antibodies

A Beck, H Liu - Antibodies, 2019 - mdpi.com
Recombinant monoclonal antibodies (mAbs) intended for therapeutic usage are required to
be thoroughly characterized, which has promoted an extensive effort towards the …

Added value of internal fragments for top-down mass spectrometry of intact monoclonal antibodies and antibody–drug conjugates

B Wei, C Lantz, W Liu, R Viner… - Analytical …, 2023 - ACS Publications
Monoclonal antibodies (mAbs) and antibody–drug conjugates (ADCs) are two of the most
important therapeutic drug classes that require extensive characterization, whereas their …

Chemical tagging in mass spectrometry for systems biology

T Huang, MR Armbruster, JB Coulton… - Analytical …, 2018 - ACS Publications
Mass spectrometry (MS) offers unparalleled qualitative and quantitative chemical
information. While increasingly considered a universal detector, the limitations of MS to …

The circulating protease persephone is an immune sensor for microbial proteolytic activities upstream of the Drosophila toll pathway

N Issa, N Guillaumot, E Lauret, N Matt… - Molecular Cell, 2018 - cell.com
Microbial or endogenous molecular patterns as well as pathogen functional features can
activate innate immune systems. Whereas detection of infection by pattern recognition …

Rapid and improved characterization of therapeutic antibodies and antibody related products using IdeS digestion and subunit analysis

J Sjögren, F Olsson, A Beck - Analyst, 2016 - pubs.rsc.org
The immunoglobulin degrading enzyme from Streptococcus pyogenes, IdeS, was
discovered as a mechanism by which pathogenic bacteria circumvent antibody mediated …

Cutting-edge mass spectrometry methods for the multi-level structural characterization of antibody-drug conjugates

A Beck, G Terral, F Debaene… - Expert review of …, 2016 - Taylor & Francis
Antibody drug conjugates (ADCs) are highly cytotoxic drugs covalently attached via
conditionally stable linkers to monoclonal antibodies (mAbs) and are among the most …

Analytical comparability study of recombinant monoclonal antibody therapeutics

A Ambrogelly, S Gozo, A Katiyar, S Dellatore, Y Kune… - MAbs, 2018 - Taylor & Francis
Process changes are inevitable in the life cycle of recombinant monoclonal antibody
therapeutics. Products made using pre-and post-change processes are required to be …

Internal Fragments Enhance Middle-Down Mass Spectrometry Structural Characterization of Monoclonal Antibodies and Antibody-Drug Conjugates

B Wei, C Lantz, RR Ogorzalek Loo… - Analytical …, 2024 - ACS Publications
Monoclonal antibodies (mAbs) and antibody-drug conjugates (ADCs) are important large
biotherapeutics (∼ 150 kDa) and high structural complexity that require extensive sequence …

[HTML][HTML] Simultaneous monitoring of monoclonal antibody variants by strong cation-exchange chromatography hyphenated to mass spectrometry to assess quality …

F Di Marco, T Berger, W Esser-Skala, E Rapp… - International journal of …, 2021 - mdpi.com
Different manufacturing processes and storage conditions of biotherapeutics can lead to a
significant variability in drug products arising from chemical and enzymatic post-translational …