Table 2. Dose-response effects of i.c.v. injection of glucose on amino acid contents of the diencephalon in 5-day-old chicks.
| Glucose (µmol) |
|||||
|---|---|---|---|---|---|
| 0 | 0.21 | 0.42 | 0.84 | 1.68 | |
| Histidine | 32±4 | 29±4 | 30±4 | 29±3 | 28±3 |
| Isoleucine | 82±4 | 84±2 | 85±3 | 85±4 | 85±4 |
| Leucine | 83±26 | 70±22 | 72±23 | 75±26 | 56±23 |
| Methionine | 45±4 | 38±2 | 44±2 | 44±1 | 42±2 |
| Phenylalanine | 108±7 | 105±3 | 106±5 | 106±2 | 114±6 |
| Threonine | 430±27 | 376±23 | 403±12 | 369±10 | 390±14 |
| Tryptophan | 9±9 | 1±1 | 2±2 | 1±1 | 1±1 |
| Tyrosine† | 109±4 | 92±7 | 97±3 | 92±4 | 101±4 |
| Valine | 297±8 | 268±5 | 305±6 | 296±5 | 307±12 |
| Asparagine | 134±5 | 125±4 | 129±10 | 130±3 | 135±8 |
| Glutamine2020 | 2384±85 | 2333±63 | 2471±82 | 2476±85 | 2610±119 |
| Proline | 128±6 | 121±5 | 123±4 | 119±3 | 115±6 |
| Serine | 625±23 | 609±21 | 587±8 | 585±8 | 579±20 |
| Arginine | 272±8 | 255±7 | 264±9 | 258±5 | 258±11 |
| Lysine | 160±8 | 174±26 | 159±12 | 164±6 | 145±6 |
| Ornithine | 18±2 | 16±1 | 18±0 | 15±1 | 18±2 |
| Aspartate | 1117±57 | 1027±57 | 1073±21 | 978±38 | 1017±70 |
| Glutamate2020 | 668±27 | 590±18 | 608±12 | 631±20 | 630±11 |
| β-Alanine | 32±2 | 30±2 | 31±2 | 33±2 | 28±2 |
| Alanine2020 | 357±15 | 321±11 | 325±8 | 307±11 | 326±16 |
| Anserine | 163±4 | 155±10 | 155±10 | 159±2 | 157±4 |
| Carnosine | 6±1 | 10±1 | 10±1 | 10±3 | 10±2 |
| Cystathionine | 23±3 | 16±2 | 15±4 | 15±5 | 15±4 |
| GABA | 602±19 | 617±13 | 618±7 | 609±8 | 611±17 |
| Glycine2020 | 1054±32 | 1043±24 | 1015±28 | 1023±38 | 931±44 |
| 3-Methyl-histidine | 193±21 | 218±32 | 215±41 | 227±24 | 159±14 |
| Taurine | 2518±44 | 2506±39 | 2531±66 | 2535±39 | 2437±87 |
Values are means±S.E.M. in pmol/mg wet tissue. The number of chicks used in each group was 6–7.
†
P<0.05 on regression analysis.