substrates present during incubation | amino acid | isogenic control neurons | FTD 3 neurons | P value | |
---|---|---|---|---|---|
amounts (nmol/mg protein) | |||||
[U- 13C]glucose | Glutamine | 12 ± 1.7 | 6 ± 1.3 | 0.005 | a |
Glutamate | 61 ± 4.3 | 51 ± 2.9 | 0.14 | ||
[U- 13C]glutamine + glucose | Glutamine | 18 ± 1.3 | 13 ± 1.5 | 0.008 | a |
Glutamate | 68 ± 5.1 | 59 ± 4.0 | 0.26 | ||
[U- 13C]glutamate + glucose | Glutamine | 14 ± 1.5 | 7 ± 0.7 | 0.024 | a |
Glutamate | 185 ± 18.8 | 185 ± 18.8 | 1.00 |