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Applications of mass spectrometry for the structural characterization of recombinant protein pharmaceuticals

Srebalus Barnes, Catherine A., Lim, Amareth·2007·Mass Spectrometry Reviews

Abstract

Therapeutic proteins produced using recombinant DNA technologies are generally complex, heterogeneous, and subject to a variety of enzymatic or chemical modifications during expression, purification, and long‐term storage. The use of mass spectrometry (MS) for the evaluation of recombinant protein sequence and structure provides detailed information regarding amino acid modifications and sequence alterations that have the potential to affect the safety and activity of therapeutic protein products. General MS approaches for the characterization of recombinant therapeutic protein products will be reviewed with particular attention given to the standard MS tools available in most biotechnology laboratories. A number of recent examples will be used to illustrate the utility of MS strategies for evaluation of recombinant protein heterogeneity resulting from post‐translational modifications (PTMs), sequence variations generated from proteolysis or transcriptional/translational errors, and degradation products which are formed during processing or final product storage. Specific attention will be given to the MS characterization of monoclonal antibodies as a model system for large, glycosylated, recombinant proteins. Detailed examples highlighting the use of MS for the analysis of monoclonal antibody glycosylation, deamidation, and disulfide mapping will be used to illustrate the application of these techniques to a wide variety of heterogeneous therapeutic protein products. The potential use of MS to support the selection of cell line/clone selection and formulation development for therapeutic antibody products will also be discussed. © 2007 Wiley Periodicals, Inc., Mass Spec Rev

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Metadata

Authors
Srebalus Barnes, C. A., & Lim, A.
Venue
Mass Spectrometry Reviews
Publisher
Wiley
Published
2007-04-04
Volume
26
Issue
3
Pages
370-388
ISSN
  • 0277-7037 (ISSN-L)
  • 1098-2787
OpenAlex
W1999139162
Cited by
175
References
1
FWCI
5.81
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Applications of mass spectrometry for the structural characterization of recombinant protein pharmaceuticals. https://app.cochat.ai/papers/10.1002/mas.20129
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Srebalus Barnes, C. A., & Lim, A. (2007). Applications of mass spectrometry for the structural characterization of recombinant protein pharmaceuticals. Mass Spectrometry Reviews. https://doi.org/10.1002/mas.20129

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