ArticleFrontiers in bioengineering and biotechnology2023
Mechanistic insights into the biological activity of S-Sulfocysteine in CHO cells using a multi-omics approach.
Article in Frontiers in bioengineering and biotechnology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 7 citations in OpenAlex.
- Improving recombinant protein productivity in CHO cells via multi-omics data integration.Bioresources and bioprocessing · 2026Review
- Impact of keto leucine and isoleucine on CHO cell central carbon metabolism and performance in fed-batch and steady-state perfusion.Frontiers in bioengineering and biotechnology · 2026Article
- A strategic approach to multi-omics literature retrieval in next generation mammalian cell bioprocessing.NPJ systems biology and applications · 2025Review
- Enhanced production of extracellular L-asparaginase in batch culture via nitrous acid-induced mutagenesis of Aspergillus oryzae.Microbial cell factories · 2025Article
- S-Sulfocysteine's toxic effects on HT-22 cells are not triggered by glutamate receptors, nor do they involve apoptotic or genotoxicity mechanisms.Cytotechnology · 2025Article
- Effects of different doses of oregano essential oil on growth performance, health parameters, and the gut microbiome-metabolome profile in heat-stressed Pinan cattle (Piedmontese × Nanyang).Frontiers in microbiology · 2025Article
- Metabolomic landscape of renal cell carcinoma in von Hippel-Lindau syndrome in a Chinese cohort.iScience · 2024Article
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
S-Sulfocysteine (SSC), a bioavailable L-cysteine derivative (Cys), is known to be taken up and metabolized in Chinese hamster ovary (CHO) cells used to produce novel therapeutic biological entities. To gain a deeper mechanistic insight into the SSC biological activity and metabolization, a multi-omics study was performed on industrially relevant CHO-K1 GS cells throughout a fed-batch process, including metabolomic and proteomic profiling combined with multivariate data and pathway analyses. Multi-layered data and enzymatical assays revealed an intracellular SSC/glutathione mixed disulfide formation and glutaredoxin-mediated reduction, releasing Cys and sulfur species. Increased Cys availability was directed towards glutathione and taurine synthesis, while other Cys catabolic pathways were likewise affected, indicating that cells strive to maintain Cys homeostasis and cellular functions.
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Registered trials
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