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West Ashley Library
9 a.m. - 4 p.m.
Phone: (843) 766-6635
Main Library
9 a.m. - 6 p.m.
Phone: (843) 805-6930
Folly Beach Library
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John L. Dart Library
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Post-translational structural modifications of immunoglobulin G and their effect on biological activity.
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- Author(s): Hmiel, Laura; Brorson, Kurt; Boyne, Michael
- Source:
Analytical & Bioanalytical Chemistry; Jan2015, Vol. 407 Issue 1, p79-94, 16p- Subject Terms:
- Source:
- Additional Information
- Abstract: The size, heterogeneity, and biological production process of protein therapeutics like monoclonal antibodies create unique challenges for their analysis and regulation compared with small molecules. Complete structural characterization of a molecule 1000-fold heavier than aspirin is no small feat. Biological post-translational modifications such as glycosylation further complicate their characterization and regulation. Even approved protein therapeutics are known to contain multiple structural variants in differing amounts. Structural modification occurs during production and storage as well as within patients after administration. Thus, the goals of manufacturers and regulators are to control and characterize this heterogeneity, not take on the impossible task of eliminating it. The aim of this review is to describe the structural heterogeneities known to occur with immunoglobulin G (IgG), note current detection and analytical strategies, establish their causes, and define their potential effects on the ultimate safety, purity, and potency of antibody therapeutics when known. [ABSTRACT FROM AUTHOR]
- Abstract: Copyright of Analytical & Bioanalytical Chemistry is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Abstract:
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