In:
Mass Spectrometry Reviews, Wiley, Vol. 36, No. 6 ( 2017-11), p. 734-754
Abstract:
In the last decade, the advancement of liquid chromatography mass spectrometry (LC/MS) techniques has enabled their broad application in protein characterization, both quantitatively and qualitatively. Owing to certain important merits of LC/MS techniques (e.g., high selectivity, flexibility, and rapid method development), LC/MS assays are often deemed as preferable alternatives to conventional methods (e.g., ligand‐binding assays) for the analysis of protein biotherapeutics. At the discovery and development stages, LC/MS is generally employed for two purposes absolute quantification of protein biotherapeutics in biological samples and qualitative characterization of proteins. For absolute quantification of a target protein in bio‐matrices, recent work has led to improvements in the efficiency of LC/MS method development, sample treatment, enrichment and digestion, and high‐performance low‐flow‐LC separation. These advances have enhanced analytical sensitivity, specificity, and robustness. As to qualitative analysis, a range of techniques have been developed to characterize intramolecular disulfide bonds, glycosylation, charge variants, primary sequence heterogeneity, and the drug‐to‐antibody ratio of antibody drug conjugate (ADC), which has enabled a refined ability to assess product quality. In this review, we will focus on the discussion of technical challenges and strategies of LC/MS‐based quantification and characterization of biotherapeutics, with the emphasis on the analysis of antibody‐based biotherapeutics such as monoclonal antibodies (mAbs) and ADCs. © 2016 Wiley Periodicals, Inc. Mass Spec Rev 36:734–754, 2017
Type of Medium:
Online Resource
ISSN:
0277-7037
,
1098-2787
Language:
English
Publisher:
Wiley
Publication Date:
2017
detail.hit.zdb_id:
787244-6
detail.hit.zdb_id:
1491946-1
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