Cited by 89Virus-based gene therapy researchViral Infectious Diseases and Gene Expression in InsectsProtein purification and stability

Manufacturing of recombinant adeno-associated viruses using mammalian expression platforms

Robert, Marc‐André, Chahal, Parminder S., Audy, Alexandre, Kamen, Amine, Gilbert, Rénald, Gaillet, Bruno·2017·Biotechnology Journal

Abstract

Manufacturing practices for recombinant adeno‐associated viruses (AAV) have improved in the last decade through the development of new platforms in conjunction with better production and purification methods. In this review, we discuss the advantages and limitations of the most popular systems and methods employed with mammalian cell platforms. Methods and systems such as transient transfection, packaging and producer cells and adenovirus and herpes simplex virus are described. In terms of best production yields, they are comparable with about 10 4–10 5 vector genomes produced per cell but transient transfection of HEK293 cells is by far the most commonly used. For small‐scale productions, AAV can be directly purified from the producing cell lysate by ultracentrifugation on a CsCl or iodixanol‐step gradient whereas large‐scale purification requires a combination of multiple steps. Micro/macrofiltration (i.e. including tangential flow filtration and/or dead‐end filtration) and chromatography based‐methods are used for large‐scale purification. Purified AAV products must then be quantified and characterized to ensure quality. Recent purification methods and current analytical techniques are reviewed here. Finally, AAV technology is very promising, but manufacturing improvements are still required to meet the needs of affordable, safe and effective AAV vectors essential for licensing of gene therapy clinical protocols.

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Crossref · 10.1002/biot.201600193

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Authors
Robert, M., Chahal, P. S., Audy, A., Kamen, A., Gilbert, R., & Gaillet, B.
Affiliations
  • National Research Council Canada (CA)
  • McGill University (CA)
  • Université Laval (CA)
Corresponding author
Gaillet, Bruno
Venue
Biotechnology Journal
Publisher
Wiley
Published
2017-02-08
Volume
12
Issue
3
ISSN
  • 1860-6768 (ISSN-L)
  • 1860-7314
OpenAlex
W2587176473
Cited by
89
References
136
Citations by year
2026: 6 · 2025: 12 · 2024: 10 · 2023: 12 · 2022: 8 · 2021: 12 · 2020: 7 · 2019: 9 · 2018: 9 · 2017: 4
FWCI
1.02
Type
journal article
Language
en
Open access
closed
Locations
  • Biotechnology Journal (publishedVersion)
  • PubMed (publishedVersion)
  • NPARC (submittedVersion)
Funders
  • ThéCell network
  • PROTÉO network
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Virus-based gene therapy research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Viral Infectious Diseases and Gene Expression in Insects
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein purification and stability
Keywords
recombinant adeno-associated virus, AAV manufacturing, mammalian cell expression systems, transient transfection, HEK293 cells, herpes simplex virus vectors, AAV purification, ultracentrifugation, cross-flow filtration, dead-end filtration, chromatography, gene therapy vectors
MeSH terms
Dependovirus, Genetic Vectors, Humans, Transfection, Virus Cultivation, Genetic Therapy, HEK293 Cells

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