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Strategies to Develop Therapeutic N- and O-Hyperglycosylated Proteins
Agustina Gugliotta1, Natalia Ceaglio2, Marina Etcheverrigaray1
1UNL, CONICET, FBCB, Cell Culture Laboratory, Ciudad Universitaria UNL-C.C. 242, (S3000ZAA), Santa Fe, Pcia. de Santa Fe, Argentina.
Abstract:
Glycoengineering by N- and/or O-hyperglycosylation represents a procedure to introduce potential sites for adding N- and/or O-glycosyl structures to proteins with the aim of producing biotherapeutics with improved pharmacodynamic and pharmacokinetic properties. In this chapter, a detailed description of the steps routinely performed to generate new proteins having high content of N- and/or O-glycosyl moieties is carried out. The rational strategy involves the initial stage of designing N- and/or O-hyperglycosylated muteins to be expressed by mammalian cells and includes the upstream and downstream processing stages necessary to develop hyperglycosylated versions of the proteins of interest with the purpose of beginning the long road toward producing biobetters.
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