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Immunoreactivity in mammals of two typical plant glyco-epitopes, core alpha(1,3)-fucose and core xylose

Bardor, M.·2003·Glycobiology

Abstract

The presence of nonmammalian core alpha(1,3)-fucose and core xylose glyco-epitopes on glycans N-linked to therapeutic glycoproteins produced in plants has raised the question of their immunogenicity in human therapy. We address this question by studying the distribution of these N-glycans in pea, rice, and maize (which are the crops intended for the production of therapeutic proteins) and by reinvestigating their immunogenicity in rodents. We found that immunization with a model glycoprotein, horseradish peroxidase, elicits in C57BL/6 mice and rats the production of antibodies (Abs) specific for core alpha(1,3)-fucose and core xylose epitopes. Furthermore, we demonstrated that about 50% of nonallergic blood donors contains in their sera Abs specific for core xylose, whereas 25% have Abs against core alpha(1,3)-fucose. These Abs probably result from sensitization to environmental antigens. Although the immunological significance of these data is too speculative at the moment, the presence of such Abs might introduce some limitations to the use of plant-derived biopharmaceutical glycoproteins, such as an accelerated clearance during human therapy.

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Metadata

Authors
Bardor, M.
Venue
Glycobiology
Published
2002-12-17
Volume
13
Issue
6
Pages
427-434
ISSN
  • 0959-6658 (ISSN-L)
  • 1460-2423
OpenAlex
W2165832011
Cited by
334
References
21
FWCI
9.55
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Immunoreactivity in mammals of two typical plant glyco-epitopes, core alpha(1,3)-fucose and core xylose. https://app.cochat.ai/papers/10.1093/glycob/cwg024
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Bardor, M. (2003). Immunoreactivity in mammals of two typical plant glyco-epitopes, core alpha(1,3)-fucose and core xylose. Glycobiology. https://doi.org/10.1093/glycob/cwg024

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