Table 2.
Lipoprotein lipase recruitment and cardiac performance in ex vivo perfused hearts after treatment with heparin before perfusion
Measurement | Control | Metformin (300 mg/kg) | Metformin (600 mg/kg) | AICAR (0.5 mmol/L) |
---|---|---|---|---|
RPP (mm Hg/min) | 16 078 ± 2912 | 16 709 ± 2561 | 21 687 ± 4702 | 11 682 ± 1403⁎ |
Tissue TAG (μmol/g wet mass) | 1.73 ± 0.64 | 1.72 ± 0.48 | 5.55 ± 1.83† | 1.93 ± 0.45 |
Tissue glycogen (μmol/g wet mass) | 14.1 ± 2.9 | 15.6 ± 3.9 | 13.2 ± 2.5 | 18.0 ± 1.5 |
ACC activity (nmol/min/mg protein) | 132 ± 16 | 109 ± 19 | 69 ± 25† | 90 ± 21† |
LPL activity (μmol/h/g wet mass) | 18.1 ± 6.1 | ND | 24.8 ± 7.2 | 35.0 ± 9.0⁎ |
Data represent MEAN ± SD (n = 5). ND indicates not determined.
Statistical significance represented as significantly different from control:
P < .05.
P > .01.