A simple and efficient method for the production of human glycosylated glial cell line-derived neurotrophic factor using a Semliki Forest virus expression system

International Journal of Pharmaceutics
Eduardo AnsorenaMaría S Aymerich

Abstract

Human glial cell line-derived neurotrophic factor (hGDNF) is a very promising protein for the treatment of Parkinson's disease and other neurodegenerative disorders. The present work describes a quick and simple method to obtain a high amount of purified hGDNF using a mammalian cell-derived system. The method is based on the high expression level provided by a Semliki Forest virus vector and its ability to induce a strong shut-off of host-cell protein synthesis in mammalian cells. As a result, hGDNF is the only protein present in the supernatant and can be efficiently purified by a single chromatographic step. Using this system it was possible to eliminate other secreted proteins from the culture medium, like insulin-like growth factor-5, which are hard to remove using other hGDNF production methods. Purified hGDNF presents a complex glycosylation pattern typical of mammalian expression systems and is biologically active. This protocol could be extended to other secreted proteins and could be easily scaled up for industrial purposes.

References

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Citations

May 6, 2014·Cellular and Molecular Life Sciences : CMLS·Alejandro ArandaCristian Smerdou
Feb 24, 2015·Biotechnology Letters·Eutimio Gustavo Fernández-NúñezAldo Tonso
Jul 9, 2020·Biomaterials Science·Shima Masoudi AsilMahesh Narayan
May 1, 2020·Wiley Interdisciplinary Reviews. Nanomedicine and Nanobiotechnology·Elisa GarbayoMaria J Blanco-Prieto
Jan 23, 2021·European Journal of Pharmaceutical Sciences : Official Journal of the European Federation for Pharmaceutical Sciences·Pablo Vicente Torres-OrtegaMaría J Blanco-Prieto

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