Modern chromatographic and mass spectrometric techniques for protein biopharmaceutical characterization

K Sandra, I Vandenheede, P Sandra - Journal of chromatography A, 2014 - Elsevier
Protein biopharmaceuticals such as monoclonal antibodies and therapeutic proteins are
currently in widespread use for the treatment of various life-threatening diseases including …

Bioanalytical assay strategies for the development of antibody–drug conjugate biotherapeutics

S Kaur, K Xu, OM Saad, RC Dere… - Bioanalysis, 2013 - Taylor & Francis
Antibody–drug conjugates (ADCs) are monoclonal antibodies with covalently bound
cytotoxic drugs. They are designed to target tumor antigens selectively and offer the hope of …

Conjugation site modulates the in vivo stability and therapeutic activity of antibody-drug conjugates

BQ Shen, K Xu, L Liu, H Raab, S Bhakta… - Nature …, 2012 - nature.com
The reactive thiol in cysteine is used for coupling maleimide linkers in the generation of
antibody conjugates. To assess the impact of the conjugation site, we engineered cysteines …

LC–MS bioanalysis of intact proteins and peptides

L Kang, N Weng, W Jian - Biomedical chromatography, 2020 - Wiley Online Library
Bioanalysis assays that reliably quantify biotherapeutics and biomarkers in biological
samples play pivotal roles in drug discovery and development. Liquid chromatography …

Decoupling stability and release in disulfide bonds with antibody-small molecule conjugates

GD Rosario - Chemical Science, 2017 - pubs.rsc.org
Disulfide bonds provide a bioactivatable connection with applications in imaging and
therapy. The circulation stability and intracellular release of disulfides are problematically …

High-throughput cysteine scanning to identify stable antibody conjugation sites for maleimide-and disulfide-based linkers

R Ohri, S Bhakta, A Fourie-O'Donohue… - Bioconjugate …, 2018 - ACS Publications
THIOMAB antibody technology utilizes cysteine residues engineered onto an antibody to
allow for site-specific conjugation. The technology has enabled the exploration of different …

Bioanalysis of antibody–drug conjugates: american association of pharmaceutical scientists antibody–drug conjugate working group position paper

B Gorovits, SC Alley, S Bilic, B Booth, S Kaur… - Bioanalysis, 2013 - Taylor & Francis
Antibody–drug conjugates (ADCs) typically consist of a cytotoxic drug covalently bound to
an antibody by a linker. These conjugates have the potential to substantially improve …

Native intact mass determination of antibodies conjugated with monomethyl Auristatin E and F at interchain cysteine residues

JF Valliere-Douglass, WA McFee… - Analytical …, 2012 - ACS Publications
We present here a method for the rapid determination of the intact mass of noncovalently
associated antibody heavy chains (HC) and light chains (LC) which result from the …

In Vitro and In Vivo Evaluation of Cysteine and Site Specific Conjugated Herceptin Antibody-Drug Conjugates

D Jackson, J Atkinson, CI Guevara, C Zhang, V Kery… - PloS one, 2014 - journals.plos.org
Antibody drug conjugates (ADCs) are monoclonal antibodies designed to deliver a cytotoxic
drug selectively to antigen expressing cells. Several components of an ADC including the …

Characterization of intact antibody drug conjugate variants using microfluidic capillary electrophoresis–mass spectrometry

EA Redman, JS Mellors, JA Starkey… - Analytical …, 2016 - ACS Publications
In this work, we utilize capillary electrophoresis–mass spectrometry (CE–MS) in an
integrated microfluidic platform to analyze an intact, lysine-linked antibody drug conjugate …