期刊
CURRENT OPINION IN BIOTECHNOLOGY
卷 18, 期 5, 页码 393-398出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.copbio.2007.07.012
关键词
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Plants may serve as superior production systems for complex recombinant pharmaceuticals. Current strategies for improving plant-based systems include the development of large-scale production facilities as well as the optimisation of protein modifications. While post-translational modifications of plant proteins generally resemble those of mammalian proteins, certain plant-specific protein-linked sugars are immunogenic in humans, a fact that restricts the use of plants in biopharmaceutical production so far. The moss Physcomitrella patens was developed as a contained tissue culture system for recombinant protein production in photo-bioreactors. By targeted gene replacements, moss strains were created with non-immunogenic humanised glycan patterns. These were proven to be superior to currently used mammalian cell lines in producing antibodies with enhanced effectiveness.
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