31P-NMR measurements of the concentrations of phosphorus-containing metabolites in mammalian cells immobilised and perifused with glucose and glutamine as sole carbon source have shown that the intracellular Pi concentration is significantly higher in cells perifused with glutamine than with glucose. The data are consistent with the proposal that the rate of glutamine utilisation may be controlled by the activity of phosphate-activated glutaminase.
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This record was last updated on 07/02/2016 and may not reflect the most current and accurate biomedical/scientific data available from NLM.
The corresponding record at NLM can be accessed at https://www.ncbi.nlm.nih.gov/pubmed/2310767