Article
Conditions for (13)C NMR detection of 2-hydroxyglutarate in tissue extracts from isocitrate dehydrogenase-mutated gliomas.
Analytical biochemistry - 15 Jul 2015
Pichumani Kumar, Mashimo Tomoyuki, Baek Hyeon-Man, Ratnakar James, Mickey Bruce, DeBerardinis Ralph J, Maher Elizabeth A, Bachoo Robert M, Malloy Craig R, Kovacs Zoltan
Abstract excerpt
(13)C NMR (nuclear magnetic resonance) spectroscopy of extracts from patient tumor samples provides rich information about metabolism. However, in isocitrate dehydrogenase (IDH)-mutant gliomas, (13)C labeling is obscured in oncometabolite 2-hydroxyglutaric acid (2 HG) by glutamate and glutamine, prompting development of a simple method to resolve the metabolites. J-coupled multiplets in 2 HG were similar to...
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