ArticleNature protocols2011
Metabolite extraction from suspension-cultured mammalian cells for global metabolite profiling.
Article in Nature protocols, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 101 papers.
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Who cites it
101 citing papers in PubMed.
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- Metabolic analysis and identification of potential biomarkers of early-stage melanoma lung metastasis.Acta biochimica et biophysica Sinica · 2025Article
- Dynamic shifts in metabolic demand during myogenic progression in porcine skeletal muscle stem cells.NPJ science of food · 2025Article
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41 more citing papers are in PubMed but not listed here.
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Authors and funding
5 authors.
Funding
Abstract
Metabolite profiling of industrially important suspension-cultured mammalian cells is being increasingly used for rational improvement of bioprocesses. This requires the generation of global metabolite profiles that cover a broad range of metabolites and that are representative of the cells at the time of sampling. The protocol described here is a validated method for recovery of physiologically relevant amounts of key metabolites from suspension-cultured mammalian cells. The method is a two-step process consisting of initial quenching of the cells (to stop cellular metabolism and allow isolation of the cells) followed by extraction of the metabolites. The cells are quenched in 60% methanol supplemented with 0.85% (wt/vol) ammonium bicarbonate at -40 °C. Metabolites are then extracted from the quenched cells using two 100% methanol extractions followed by a single water extraction. Metabolite samples generated using this protocol are amenable to analysis by mass spectrometry-based techniques (e.g., gas chromatography-mass spectrometry, liquid chromatography-mass spectrometry), NMR spectroscopy and enzymatic assays.
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