Upstream continuous processing: recent advances in production of biopharmaceuticals and challenges in manufacturing

C Matanguihan, P Wu - Current Opinion in Biotechnology, 2022 - Elsevier
Highlights•Growing application of continuous processing in manufacturing protein
therapeutics.•Developing continuous processing for viral vector, vaccine, and cell therapy …

On the use of surface plasmon resonance biosensing to understand IgG-FcγR interactions

C Forest-Nault, J Gaudreault, O Henry… - International Journal of …, 2021 - mdpi.com
Surface plasmon resonance (SPR)-based optical biosensors offer real-time and label-free
analysis of protein interactions, which has extensively contributed to the discovery and …

[HTML][HTML] Monitoring of amino acids and antibody N-glycosylation in high cell density perfusion culture based on Raman spectroscopy

H Schwarz, ME Mäkinen, A Castan… - Biochemical Engineering …, 2022 - Elsevier
Raman spectrum based predictive models provide a process analytical technology (PAT)
tool for monitoring and control of culture parameters in bioprocesses. Steady-state perfusion …

Integrated continuous biomanufacturing on pilot scale for acid‐sensitive monoclonal antibodies

H Schwarz, J Gomis‐Fons, M Isaksson… - Biotechnology and …, 2022 - Wiley Online Library
In this study, we demonstrated the first, to our knowledge, integrated continuous bioprocess
(ICB) designed for the production of acid‐sensitive monoclonal antibodies, prone to …

[HTML][HTML] Optimization of medium with perfusion microbioreactors for high density CHO cell cultures at very low renewal rate aided by design of experiments

H Schwarz, K Lee, A Castan… - Biotechnology and …, 2023 - Wiley Online Library
A novel approach of design of experiment (DoE) is developed for the optimization of key
substrates of the culture medium, amino acids, and sugars, by utilizing perfusion …

Modulating antibody effector functions by Fc glycoengineering

M García-Alija, B Van Moer, DE Sastre, T Azzam… - Biotechnology …, 2023 - Elsevier
Antibody based drugs, including IgG monoclonal antibodies, are an expanding class of
therapeutics widely employed to treat cancer, autoimmune and infectious diseases. IgG …

Cytokines in the immune microenvironment change the glycosylation of IgG by regulating intracellular glycosyltransferases

Y Cao, Z Song, Z Guo, X Zhao, Y Gong, K Zhao… - Frontiers in …, 2022 - frontiersin.org
Background Changes in IgG glycosylation, as a novel pathological feature, are observed in
various autoimmune diseases (AIDs). The glycosylation patterns of IgG play a critical role in …

Progress toward rapid, at-line N-glycosylation detection and control for recombinant protein expression

L Mao, JW Schneider, AS Robinson - Current Opinion in Biotechnology, 2022 - Elsevier
Highlights•Temporal evolution of N-glycosylation is of rising interest.•Rapid detection with
predictive modeling could enable dynamic control of N-glycosylation.•Combinations of …

Product sieving of mAb and its high molecular weight species in different modes of ATF and TFF perfusion cell cultures

M Pappenreiter, H Schwarz, B Sissolak… - Journal of Chemical …, 2023 - Wiley Online Library
BACKGROUND Tangential flow filtration (TFF) systems are widely used cell retention
devices in perfusion cultures, but significant challenges occur with their prolonged …

Enhancing and stabilizing monoclonal antibody production by Chinese hamster ovary (CHO) cells with optimized perfusion culture strategies

K Liang, H Luo, Q Li - Frontiers in Bioengineering and Biotechnology, 2023 - frontiersin.org
The perfusion medium is critical in maintaining high cell concentration in cultures for the
production of monoclonal antibody by Chinese hamster ovary cells. In this study, the effects …