The genetic sequence of the Chinese hamster ovary (CHO) cell line first was published just over a decade ago (1, 2). As with the Human Genome Project, genomic knowledge of that and other biopharmaceutical production cell lines — both animal and microbial — has expanded greatly alongside dramatic increases in computing power (3–5). Meanwhile new and improved genetic engineering techniques have offered the potential for targeted rather than random integration of transgenes into production cells. And regulators began to emphasize…
April 2023 Featured Report
Cell Lines Are the Foundation: A Methodical Approach to Derisking Outsourced Development and Improving Manufacturability of Novel Biologics
The most important choice for bringing a novel biologic into clinical development could be the cell line for expressing it. Somewhat determined by that, development of the initial manufacturing process comes in a close second. After an investigational new drug (IND) application, early clinical studies use materials made from the cell line and manufacturing process that were selected at the start of a clinical candidate’s life cycle. The objective for most sponsor companies is to get IND-enabling material produced in…
Targeting RNA: How Epitranscriptomics Can Improve Productivity
Cell-line development traditionally has focused on genetic engineering of chromosomal DNA in cellular nuclei. Combining technological advances such as zinc-finger nucleases (ZFNs) and transcription activator-like effector nucleases (TALENs) with ever-increasing genomic knowledge has enabled scientists to get impressive performance from microbial, plant, and animal cells. But few researchers have considered the potential for manipulating how genes are transcribed as an avenue for increasing productivity — until recently, that is. Niall Barron is a professor of biochemical engineering at Ireland’s National…
Quantitative Synthetic Biology for Biologics Production
Biologics accounted for more new drug approvals than did small molecules for the first time in 2022, marking a significant shift in the pharmaceutical industry (1). Large-molecule pipelines are also moving from standard monoclonal antibodies (MAbs) to more complex and difficult-to-express molecules, which intensifies pressure on the industry to meet biomanufacturing demands. There is a pressing need for innovative Chinese hamster ovary (CHO)–based bioproduction systems to keep pace with this evolving landscape. While multiple areas of cell-line development (CLD) have…