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. 2017 Mar 9;7:43951. doi: 10.1038/srep43951

Table 1. In vivo MRI parameters in mice at 10, 18 and 27 weeks and ex vivo data for LV mass and LV/TL after sacrifice at 28 weeks.

  10 weeks
18 weeks
27 weeks
CTL AdrB1+ CTL AdrB1+ CTL AdrB1+
n 10 9 10 7 10 7
EDV (μl) 56,4 ± 1,6 64,2 ± 3,8 59,6 ± 1,5 69,1 ± 4,3* 57,2 ± 1,2 67,3 ± 2,5**
ESV (μl) 24,0 ± 2,5 22,9 ± 2,0 27,0 ± 13,8 32,0 ± 14,0 22,0 ± 1,5 29,0 ± 4**
SV (μl) 32,6 ± 2,3 41,4 ± 3,2* 29,0 ± 16,3 41,0 ± 21,0 35,3 ± 1,0 39,6 ± 2,6
EF (%) 57,7 ± 4,0 64,1 ± 2,7 51,0 ± 15,5 59 ± 7,0 61,8 ± 1,1 58,7 ± 2,4
LV mass MRI (mg) 74,1 ± 1,7 81,1 ± 2,1* 74,8 ± 1,4 83,9 ± 3,6* 75,9 ± 1,1 88,0 ± 2,0****
LV/TL MRI (mg/mm) 3,8 ± 0,1 4,2 ± 0,1* 3,9 ± 0,1 4,4 ± 0,2** 3,9 ± 0,07 4,6 ± 0,1***
ES septum thickness (mm) 1,5 ± 0,1 1,3 ± 0,1 1,2 ± 0,1 1,4 ± 0,1 1,4 ± 0,1 1,4 ± 0,1
Systolic index (%) 66,8 ± 1,5 67,8 ± 2,5 66,8 ± 1,9 63,2 ± 3,0 66,5 ± 1,9 64,8 ± 2,0
Diastolic index (%) 59,6 ± 1,9 57,2 ± 2,1 64,5 ± 2,6 53,5 ± 5,6 63,1 ± 4,3 51,4 ± 1,1*
LV mass ex vivo (mg)         97,9 ± 1,9 107,5 ± 2,7**
LV/TL ex vivo (mg/mm)         5,0 ± 0,1 5,6 ± 0,1**

n represents the number of animals in each group. EDV = end-diastolic volume; ESV = end-systolic volume; SV = stroke volume; EF = ejection fraction; LV = left ventricle; TL = tibial length; ES = end-systolic.*P ≤ 0.0.05; **P ≤ 0.0.01; ***P ≤ 0.0.001; ****P ≤ 0.0001 vs control.