Chromatographic modalities, buffer selection and other considerations for enrichment of AAV product
Apr
5
2023
On demand

Chromatographic modalities, buffer selection and other considerations for enrichment of AAV product

Wednesday 08:00 PDT / 11:00 EDT / 16:00 BST / 17:00 CEST
Sponsor
Chromatographic modalities, buffer selection and other considerations for enrichment of AAV product

Adeno-associated virus (AAV) is a go-to vector for gene therapy treatments. In each AAV downstream process, one of the key steps (and often a bottleneck) is enrichment of full capsids. Along with scalability and capsid separation challenges, one must account for sample heterogeneity and assess which analytics are adequate to distinguish between AAV subpopulations and deliver only the potent AAV product.

Chromatography on monolith columns offers efficient and scalable downstream processes. Paramount considerations for scaling up will be discussed and a case study will be presented using a Design of Experiments approach for buffer selection and robust preparation for improved separation of empty and full capsids. In addition, residual host cell proteins, host cell DNA, plasmid DNA, and endotoxin removal efficiency will be discussed.

  • Chromatographic columns and their differences for AAV empty/full separation
  • Why orthogonal analytics are paramount for AAV subspecies characterization
  • Case study of a Design of Experiments approach to enrichment of full capsids
  • Considerations for scaling up AAV purification on monoliths
Rok Žigon
Rok Žigon
Head of Product-Application Area (AAV/Adeno), Process Development Viruses, Sartorius BIA Separations

Rok is a Head of Product-Application Area (for AAV and Adeno) in Process development department for viral vectors and vaccines at Sartorius BIA Separations. He has 6 years’ experience in the field of downstream bioprocess development, leading gene therapy projects for clients, resulting in processes for clinical phase I, II, III and market supply. He acquired skills in AAV purification using monolithic technology through all production stages from Process Development, Technology Transfer and Manufacturing. He holds a Master’s degree in molecular biology from the University of Ljubljana.

SPEAKERS

Rok Žigon
Rok Žigon
Head of Product-Application Area (AAV/Adeno), Process Development Viruses, Sartorius BIA Separations

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