Table 2.
Circulating (arterialised) metabolite levels during baseline (fasting) and isoprenaline infusion in lean and obese participants
| Lean | Obese | |||
|---|---|---|---|---|
| Baseline (n = 13) | Isoprenaline (n = 10) | Baseline (n = 10) | Isoprenaline (n = 7) | |
| TAG (μmol/l) | 701 ± 66 | 648 ± 64 | 1,464 ± 190b | 1,667 ± 217a |
| NEFA (μmol/l) | 661 ± 41 | 942 ± 53 | 638 ± 42 | 1,124 ± 82a |
| Glycerol (μmol/l) | 102 ± 5 | 118 ± 7 | 106 ± 4 | 147 ± 10a |
| Glycerol Ra (μmol/min) | 199 ± 12 | 311 ± 28 | 220 ± 15 | 391 ± 30 |
| Glycerol Ra/FM [μmol (kg FM)−1 min−1] | 13.1 ± 0.9 | 20.9 ± 1.6 | 7.3 ± 0.6b | 12.9 ± 1.1a |
| Glucose (mmol/l) | 5.3 ± 0.1 | 5.4 ± 0.1 | 5.5 ± 0.2 | 5.4 ± 0.1 |
| Insulin (pmol/l) | 50 ± 4 | 74 ± 6 | 94 ± 7b | 167 ± 16a |
Values are mean ± SEM
bp < 0.05 baseline obese vs lean; ap < 0.05 change (Δ) from baseline obese vs lean using unpaired Student’s t test