Table 2

Infarct size analysis

Body Wt.LV Wt.AAR/LVIS/AAR
g %
Control420  ± 150.76  ± 0.0347.6  ± 4.460.6  ± 1.8
IPC384  ± 130.72  ± 0.0356.3  ± 1.88.2  ± 1.32-150 2-154
TAN-67400  ± 100.79  ± 0.0456.5  ± 1.930.2  ± 2.42-150 2-151
PD 098059400  ± 170.88  ± 0.032-150 51.6  ± 2.567.0  ± 2.32-151 2-154
PD 098059 + IPC395  ± 060.79  ± 0.0255.0  ± 2.241.5  ± 6.42-150 2-151
PD 098059 +TAN-67368  ± 052-150 0.72  ± 0.0351.6  ± 0.863.0  ± 4.82-154

Values given as mean ± S.E.M.

    • Body Wt., body weight in grams; LV Wt., left ventricular weight in grams; AAR/LV, area at risk expressed as a percentage of the left ventricle; IS/AAR, infarct size expressed as a percentage of the area at risk; IPC, preconditioning induced by 1 cycle of 5 min of ischemia and 5 min of reperfusion; TAN-67, δ1-opioid agonist infused for 15 min prior to ischemia and reperfusion; PD 098059, inhibitor of MEK, administered in the absence or presence of IPC or TAN-67.

    • 2-150p < 0.05 vs. control.

    • 2-151p < 0.05 vs. IPC.

    • 2-154p < 0.05 vs. TAN-67.