Research Article

Silencing RNA for MMPs May Be Utilized for Cardioprotection

Table 1

An influence of MMP-2 siRNA on heart rate, LVDP, coronary flow, and recovery of heart functions of isolated rat hearts.

ParameterGroups valued
AeroAero+MMP-2 siRNA and siPORTI/RI/R+scr RNAI/R+MMP-2 siRNA and siPORT

HR (bpm)a#$<0.01
LVDP (mmHg)a#$<0.01
CF (mL/min)b#$<0.01
Recovery of RPP (%)c#$<0.001

. aAfter I/R (77th minute of the experiment). bAfter ischemia (47th minute: first minute of reperfusion). cDifference between RPP in 25th and 77th minutes of experiment. dANOVA test; vs. aerobic; # vs. I/R, $ vs. I/R+scrRNA. Aero: aerobic control group; CF: coronary flow; HR: heart rate; I/R: ischemia-reperfusion group; LVDP: left ventricular developed pressure; MMP-2: matrix metalloproteinase 2; RPP: rate pressure product.