ArticleApplied microbiology and biotechnology2024
Enhancing the productivity and proliferation of CHO-K1 cells by oncoprotein YAP (Yes-associated protein).
Article in Applied microbiology and biotechnology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
4 citing papers in PubMed, 1 synthesis or guideline pooled it, 4 citations in OpenAlex.
- Pooled it
- A high-throughput co-culture CRISPR array for rapid fitness hypothesis testing and growth engineering in CHO cells.iScience · 2026Article
- Cell Engineering for Increasing Production of Recombinant Proteins in Mammalian Cells.BioDrugs : clinical immunotherapeutics, biopharmaceuticals and gene therapy · 2026Review
- Using transcription and translation regulators to improve recombinant protein expression in CHO cells.Acta biochimica et biophysica Sinica · 2025Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
CHO cells are extensively employed in biological drug industry to manufacture therapeutic proteins. Nevertheless, production of biopharmaceuticals faces obstacles such as limited growth and inadequate productivity. Employing host cell engineering techniques for CHO cells serves as a valuable approach to address the constraints encountered in biologics manufacturing. Despite advancements, most techniques focus on specific genes to address individual cellular challenges. The significance of YAP, transcriptional co-activator, cannot be overstated due to its involvement in regulating organ size and tumor formation. YAP's influence extends to various cellular processes and is regulated by kinase cascade in the Hippo pathway, which phosphorylates serine residues in specific LATS recognition motifs. Activation of YAP has been observed to impact both the size and quantity of cells. This research investigates the effects of YAP5SA on proliferation, apoptosis, and productivity in CHO-K1 cells. YAP5SA, with mutations in all five LATS-target sites, is selected for its heightened activity and resistance to repression through the Hippo-LATS1/2 kinase signaling pathway. Plasmid harboring YAP5SA was transfected into EPO-CHO and the influence of YAP5SA overexpression was investigated. According to our findings, transfection of EPO-CHO cells with YAP5SA exhibited a substantial enhancement in CHO cell productivity, resulting in a 3-fold increase in total protein and EPO, as well as a 1.5-fold increase in specific productivity. Additionally, it significantly contributes in augmenting viability, size, and proliferation. Overall, the findings of this study exemplify the potential of utilizing YAP5SA to impact particular cellular mechanisms, thereby presenting an avenue for customizing cells to fulfill production demands. KEY POINTS: • YAP5SA in CHO cells boosts growth, reduces apoptosis, and significantly improves productivity. • YAP5SA regulates genes involved in proliferation, survival, and mTOR activation. • YAP5SA increases productivity by improving cell cycle, c-MYC expression, and mTOR pathway.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.