TABLE 3

Regional forearm blood flow and net metabolite flux during baseline and isoprenaline infusion in lean and obese subjects

Lean
Obese
BaselineISOBaselineISO
n1310107
FBF (ml · 100 ml−1 tissue · min−1)2.9 ± 0.24.6 ± 0.4*2.5 ± 0.33.5 ± 0.3*
Forearm net flux (nmol · 100 ml−1 tissue · min−1)
    TAG17 ± 524 ± 19−2 ± 946 ± 31
    FFA6 ± 59−53 ± 143156 ± 42230 ± 88
    Glycerol−21 ± 11−39 ± 3311 ± 56 ± 21
    Glucose142 ± 51213 ± 117226 ± 81289 ± 223
    Lactate−90 ± 27−171 ± 738 ± 45−327 ± 78
  • Data are means ± SE. Positive flux = net uptake; negative flux = net release.

  • *

    * P < 0.05 ISO vs. baseline.

  • Exchange not different from zero.

  • P < 0.05 obese vs. lean.