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Synthesis and Purification of Iodoaziridines Involving Quantitative Selection of the Optimal Stationary Phase for Chromatography
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Optimizing high throughput antibody purification by using continuous chromatography media.

Rebecca E Butcher1, Genevieve Martin-Roussety1, Rebecca A Bradford1

  • 1CSL Limited, BIO21 Institute, 30 Flemington Road, Parkville, Victoria, 3010, Australia.

Protein Expression and Purification
|March 29, 2019
PubMed
Summary
This summary is machine-generated.

Optimized Protein A chromatography matrices significantly increase monoclonal antibody (mAb) yields in purification. This advancement addresses bottlenecks in producing sufficient mAb quantities for early drug development and biophysical characterization.

Keywords:
AntibodyContinuous chromatographyHigh throughputLiquid handlingRobotics

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Area of Science:

  • Biotechnology
  • Biopharmaceutical Manufacturing
  • Protein Chemistry

Background:

  • Monoclonal antibodies (mAbs) are a rapidly growing segment of the drug market, with 8 mAbs among the top 20 selling drugs.
  • High demand for mAbs necessitates efficient purification platforms to meet project timelines and support early-stage drug de-risking.
  • Current purification methods face limitations due to the dynamic binding capacity of Protein A affinity matrices, impacting yields from limited sample volumes.

Purpose of the Study:

  • To investigate the impact of an optimized Protein A matrix on monoclonal antibody (mAb) purification yields.
  • To address the bottleneck of limited dynamic binding capacity in automated liquid handling (ALH)-based and standard lab-scale mAb purification.
  • To enhance the production of sufficient mAb quantities for biophysical characterization in early drug development.

Main Methods:

  • Utilized a Protein A matrix optimized for continuous chromatography applications.
  • Applied the optimized matrix in both automated liquid handling (ALH)-based and standard lab-scale purification protocols.
  • Evaluated the impact of the optimized matrix on mAb purification yields without altering established protocols.

Main Results:

  • Significant increases in monoclonal antibody (mAb) purification yields were achieved using the optimized Protein A matrix.
  • The optimized matrix effectively addressed the dynamic binding capacity limitations of conventional Protein A resins.
  • Sufficient mAb quantities were obtained, facilitating early-stage biophysical characterization.

Conclusions:

  • An optimized Protein A matrix can substantially improve mAb purification efficiency and yield.
  • This advancement supports the production of adequate mAb quantities for critical early development assessments.
  • The optimized matrix offers a valuable solution for overcoming purification bottlenecks in biopharmaceutical research and development.