A comparison of AAV-vector production methods for gene therapy and preclinical assessment

Research output: Contribution to journalArticle

Abstract

Adeno Associated Virus (AAV)-mediated gene expression in the brain is widely applied in the preclinical setting to investigate the therapeutic potential of specific molecular targets, characterize various cellular functions, and model central nervous system (CNS) diseases. In therapeutic applications in the clinical setting, gene therapy offers several advantages over traditional pharmacological based therapies, including the ability to directly manipulate disease mechanisms, selectively target disease-afflicted regions, and achieve long-term therapeutic protein expression in the absence of repeated administration of pharmacological agents. Next to the gold-standard iodixanol-based AAV vector production, we recently published a protocol for AAV production based on chloroform-precipitation, which allows for fast in-house production of small quantities of AAV vector without the need for specialized equipment. To validate our recent protocol, we present here a direct side-by-side comparison between vectors produced with either method in a series of in vitro and in vivo assays with a focus on transgene expression, cell loss, and neuroinflammatory responses in the brain. We do not find differences in transduction efficiency nor in any other parameter in our in vivo and in vitro panel of assessment. These results suggest that our novel protocol enables most standardly equipped laboratories to produce small batches of high quality and high titer AAV vectors for their experimental needs.

Details

Authors
Organisations
External organisations
  • Barrow Neurological Institute, Phoenix
Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Neurosciences
Original languageEnglish
Article number21532
JournalScientific Reports
Volume10
Issue number1
Publication statusPublished - 2020
Publication categoryResearch
Peer-reviewedYes

Related research output

Marcus Lockowandt, 2021, Lund: Lund University, Faculty of Medicine. 88 p.

Research output: ThesisDoctoral Thesis (compilation)

View all (1)