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Designing of an extract production protocol for industrial application of cell‐free protein synthesis technology: Building from a current best practice to a quality by design approach

Melinek, Beatrice Judith; Tuck, Jade; Probert, Philip; Branton, Harvey; Bracewell, Daniel G; (2023) Designing of an extract production protocol for industrial application of cell‐free protein synthesis technology: Building from a current best practice to a quality by design approach. Engineering Biology , 7 (1-4) pp. 1-17. 10.1049/enb2.12029. Green open access

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Abstract

Cell‐Free Protein Synthesis (CFPS) has, over the past decade, seen a substantial increase in interest from both academia and industry. Applications range from fundamental research, through high‐throughput screening to niche manufacture of therapeutic products. This review/perspective focuses on Quality Control in CFPS. The importance and difficulty of measuring the Raw Material Attributes (RMAs) of whole cell extract, such as constituent protein and metabolite concentrations, and of understanding and controlling these complicated enzymatic reactions is explored, for both centralised and distributed industrial production of biotherapeutics. It is suggested that a robust cell‐free extract production process should produce cell extract of consistent quality; however, demonstrating this is challenging without a full understanding of the RMAs and their interaction with reaction conditions and product. Lack of technology transfer and knowledge sharing is identified as a key limiting factor in the development of CFPS. The article draws upon the experiences of industrial process specialists, discussions within the Future Targeted Healthcare Manufacturing Hub Specialist Working Groups and evidence drawn from various sources to identify sources of process variation and to propose an initial guide towards systematisation of CFPS process development and reporting. These proposals include the development of small scale screening tools, consistent reporting of selected process parameters and analytics and application of industrial thinking and manufacturability to protocol development.

Type: Article
Title: Designing of an extract production protocol for industrial application of cell‐free protein synthesis technology: Building from a current best practice to a quality by design approach
Open access status: An open access version is available from UCL Discovery
DOI: 10.1049/enb2.12029
Publisher version: http://dx.doi.org/10.1049/enb2.12029
Language: English
Additional information: This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. © 2023 The Authors. Engineering Biology published by John Wiley & Sons Ltd on behalf of The Institution of Engineering and Technology
Keywords: biochemical engineering, bioprocess engineering, characterisation, optimisation, standardisation
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Biochemical Engineering
URI: https://discovery.ucl.ac.uk/id/eprint/10183872
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