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Table 4 Quantification of 13C enrichment in cellular glutamate by 1H NMR analysis.

From: Rhabdomyosarcoma cells show an energy producing anabolic metabolic phenotype compared with primary myocytes

    % 12C or 13C     
Condition 12α12γ 12α13γ 13α12γ 13α13γ 12α12β 12α13β 13α12β 13α13β
Rh30 (FCS) 46 ± 3 11 ± 2 14 ± 2 29 ± 3 63 ± 3 2.5 ± .5 6.7 ± 1 28 ± 2
Rh30 (BSA) 54 ± 3 16 ± 2 <2 30 ± 3 78 ± 4 <2 9 ± 1 13 ± 1
Myocytes 71 ± 3 9 ± 1 12 ± 2 7 ± 1 >90 <10 <2 <2