P-31-NMR STUDIES OF GLUCOSE AND GLUTAMINE-METABOLISM IN CULTURED-MAMMALIAN-CELLS

被引:15
作者
SRIPATHMANATHAN, RM [1 ]
BRADDOCK, P [1 ]
BRINDLE, KM [1 ]
机构
[1] UNIV OXFORD,DEPT BIOCHEM,S PARKS RD,OXFORD OX1 3QU,ENGLAND
关键词
Glucose metabolism; Glutamine metabolism; NMR; !sup]31[!/sup]P; Phosphate-activated glutaminase;
D O I
10.1016/0167-4889(90)90184-F
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
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. © 1990.
引用
收藏
页码:131 / 137
页数:7
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