Table 1.
Sham |
TAC |
|||
---|---|---|---|---|
WT | miR-216a KO | WT | miR-216a KO | |
N | 6 | 10 | 8 | 3 |
TL (mm) | 19.71 ± 0.46 | 19.58 ± 0.15 | 19.29 ± 0.42 | 19.32 ± 0.46 |
BW (g) | 21.85 ± 1.50 | 21.97 ± 1.22 | 21.48 ± 1.56 | 21.93 ± 1.10 |
HW (g) | 0.12 ± 0.009 | 0.15 ± 0.01 | 0.21 ± 0.02a | 0.19 ± 0.02a |
HW/BW | 0.006 ± 0.0001 | 0.007 ± 0.0002 | 0.01 ± 0.0004a | 0.01 ± 0.0006a |
HW/TL (g/mm) | 0.006 ± 0.0004 | 0.008 ± 0.0004 | 0.01 ± 0.001a | 0.01 ± 0.0001a |
LV mass (mg) | 90.01 ± 4.28 | 93.29 ± 0.61 | 166.43 ± 14.84a | 214.36 ± 42.16a |
LV mass/BW (mg/g) | 4.07 ± 0.39 | 4.06 ± 0.20 | 7.18 ± 0.34a | 10.0 ± 2.45a,b |
LV mass/TL (mg/mm) | 4.48 ± 0.39 | 4.47 ± 0.27 | 7.98 ± 0.63a | 11.05 ± 2.007a,b |
IVSd (mm) | 0.96 ± 0.04 | 0.80 ± 0.04b | 1.18 ± 0.05a | 1.82 ± 0.18a,b |
IVSs (mm) | 1.40 ± 0.05 | 1.21 ± 0.05b | 1.49 ± 0.03 | 1.98 ± 0.15a,b |
LVIDd (mm) | 3.57 ± 0.06 | 3.94 ± 0.12 | 3.73 ± 0.15 | 3.06 ± 0.23a,b |
LVIDs (mm) | 2.11 ± 0.08 | 2.47 ± 0.14a | 2.38 ± 0.09a | 2.79 ± 0.22b |
LVPWd (mm) | 0.81 ± 0.03 | 0.83 ± 0.05 | 1.07 ± 0.03a | 1.67 ± 0.14a,b |
LVPWs (mm) | 1.28 ± 0.04 | 1.08 ± 0.05 | 1.32 ± 0.05a | 1.78 ± 0.16a,b |
FS (%) | 40.96 ± 1.82 | 30.24 ± 1.66b | 32.55 ± 1.23a | 14.70 ± 2.69a |
EF (%) | 72.42 ± 2.13 | 57.87 ± 2.60b | 61.08 ± 3.38a | 32.45 ± 5.55a |
Data are expressed as means ± SEM. BW, body weight; LV, left ventricular; IVSd, interventricular septal thickness at end-diastole; IVSs, interventricular septal thickness at end-systole; LVIDd, left ventricular internal dimension at end-diastole; LVIDs, left ventricular internal dimension at end-systole; LVPWd, left ventricular posterior wall thickness at end-diastole; LVPWs, left ventricular posterior wall thickness at end-systole; FS, fractional shortening; EF, ejection fraction.
Indicates p < 0.05 vs. WT sham group.
Indicates p < 0.05 vs. experimental group.