Comprehensive multi-attribute method workflow for biotherapeutic characterization and current good manufacturing practices testing

The multi-attribute method (MAM) is a liquid chromatography-mass spectrometry (LC-MS)-based method that is used to directly characterize and monitor numerous product quality attributes (PQAs) at the amino acid level of a biopharmaceutical product. MAM enables identity testing based on primary sequen...

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Veröffentlicht in:Nature protocols 2023-04, Vol.18 (4), p.1056-1089
Hauptverfasser: Millán-Martín, Silvia, Jakes, Craig, Carillo, Sara, Rogers, Richard, Ren, Da, Bones, Jonathan
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creator Millán-Martín, Silvia
Jakes, Craig
Carillo, Sara
Rogers, Richard
Ren, Da
Bones, Jonathan
description The multi-attribute method (MAM) is a liquid chromatography-mass spectrometry (LC-MS)-based method that is used to directly characterize and monitor numerous product quality attributes (PQAs) at the amino acid level of a biopharmaceutical product. MAM enables identity testing based on primary sequence verification, detection and quantitation of post-translational modifications and impurities. This ability to simultaneously and directly determine PQAs of therapeutic proteins makes MAM a more informative, streamlined and productive workflow than conventional chromatographic and electrophoretic assays. MAM relies on proteolytic digestion of the sample followed by reversed-phase chromatographic separation and high-resolution LC-MS analysis in two phases. First, a discovery study to determine quality attributes for monitoring is followed by the creation of a targeted library based on high-resolution retention time plus accurate mass analysis. The second aspect of MAM is the monitoring phase based on the target peptide library and new peak detection using differential analysis of the data to determine the presence, absence or change of any species that might affect the activity or stability of the biotherapeutic. The sample preparation process takes between 90 and 120 min, whereas the time spent on instrumental and data analyses might vary from one to several days for different sample sizes, depending on the complexity of the molecule, the number of attributes to be monitored and the information to be detailed in the final report. MAM is developed to be used throughout the product life cycle, from process development through upstream and downstream processes to quality control release or under current good manufacturing practices regulations enforced by regulatory agencies. The multi-attribute method directly characterizes and monitors multiple product quality attributes of a biopharmaceutical product via proteolytic digestion of the sample followed by reversed-phase chromatographic separation and high-resolution liquid chromatography-mass spectrometry analysis.
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subjects 631/1647/2067
631/1647/296
631/61/51/1568
631/61/51/2008
639/638/11/296
Amino acid sequence
Amino acids
Analytical Chemistry
Antibodies, Monoclonal - chemistry
Biological Techniques
Biomedical and Life Sciences
Biopharmaceuticals
Chromatography
Chromatography, Liquid - methods
Computational Biology/Bioinformatics
Data analysis
Digestion
High resolution
Impurities
Libraries
Life cycles
Life Sciences
Liquid chromatography
Manufacturing
Mass spectrometry
Mass Spectrometry - methods
Mass spectroscopy
Microarrays
Monitoring
Organic Chemistry
Post-translation
Product life cycle
Product quality
Protein Processing, Post-Translational
Proteolysis
Protocol
Quality control
Quality management
Quantitation
Retention time
Sample preparation
Scientific imaging
Separation
Workflow
title Comprehensive multi-attribute method workflow for biotherapeutic characterization and current good manufacturing practices testing
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