Table S2.
LVEDP, mmHg | LVEDV, μL | LVESV, μL | Stroke volume, μL | Stroke work, μL⋅ mmHg | dP/dtmax, mmHg/s | Arterial elastance, mmHg/μL | Systolic pressure, mmHg |
WT (n = 20) | |||||||
5 | 42.00 ± 2.17 | 19.49 ± 1.20 | 22.51 ± 1.55 | 2,548.4 ± 221.3 | 11,686 ± 663 | 6.99 ± 0.50 | 157.3 ± 3.9 |
10 | 50.30 ± 1.82* | 25.42 ± 1.08* | 24.88 ± 1.42* | 2,794.5 ± 199.7* | 11,799 ± 634 | 6.64 ± 0.48 | 159.7 ± 3.8 |
12 | 53.62 ± 1.75* | 27.79 ± 1.13* | 25.83 ± 1.43* | 2,892.9 ± 196.0* | 11,844 ± 628 | 6.49 ± 0.47 | 160.6 ± 3.8 |
14 | 56.94 ± 1.73* | 30.16 ± 1.23* | 26.77 ± 1.47* | 2,991.3 ± 195.4* | 11,889 ± 626 | 6.35 ± 0.47 | 161.5 ± 3.9 |
16 | 60.25 ± 1.77* | 32.53 ± 1.37* | 27.72 ± 1.55* | 3,089.7 ± 197.9* | 11,934 ± 628 | 6.21 ± 0.48* | 162.5 ± 4.0* |
18 | 63.57 ± 1.86* | 34.90 ± 1.54* | 28.67 ± 1.65* | 3,188.1 ± 203.4* | 11,979 ± 634 | 6.06 ± 0.49* | 163.4 ± 4.2* |
20 | 66.89 ± 2.00* | 37.27 ± 1.73* | 29.62 ± 1.78* | 3,286.5 ± 211.8* | 12,025 ± 644 | 5.92 ± 0.50* | 164.3 ± 4.4* |
β-arrestin 1 KO (n = 15) | |||||||
5 | 39.86 ± 3.88 | 21.32 ± 3.07 | 20.41 ± 1.12 | 2,120.5 ± 179.5 | 9,047 ± 534† | 7.20 ± 0.55 | 144.6 ± 4.6 |
10 | 46.39 ± 3.46* | 27.62 ± 2.91* | 20.76 ± 1.19 | 2,099.8 ± 161.3† | 8,875 ± 561† | 7.21 ± 0.56 | 143.2 ± 4.6† |
12 | 49.00 ± 3.34* | 30.14 ± 2.88* | 20.90 ± 1.28† | 2,091.5 ± 160.9† | 8,806 ± 596† | 7.21 ± 0.60 | 142.7 ± 4.8† |
14 | 51.62 ± 3.24* | 32.66 ± 2.86* | 21.04 ± 1.40† | 2,083.2 ± 164.5† | 8,737 ± 641† | 7.22 ± 0.64 | 142.1 ± 5.0† |
16 | 54.23 ± 3.18* | 35.18 ± 2.85* | 21.18 ± 1.55† | 2,074.9 ± 171.9† | 8,668 ± 696† | 7.22 ± 0.70 | 141.6 ± 5.4† |
18 | 56.84 ± 3.16* | 37.70 ± 2.87* | 21.32 ± 1.70† | 2,066.6 ± 182.6† | 8,600 ± 757† | 7.23 ± 0.76 | 141.0 ± 5.8† |
20 | 59.46 ± 3.17* | 40.22 ± 2.89* | 21.46 ± 1.87† | 2,058.3 ± 196.2† | 8,531 ± 823† | 7.23 ± 0.83 | 140.4 ± 6.2† |
β-arrestin 2 KO (n = 18) | |||||||
5 | 38.58 ± 2.71 | 16.61 ± 2.26 | 22.92 ± 0.91 | 2,437.5 ± 135.9 | 8,910 ± 461† | 6.19 ± 0.33 | 145.5 ± 5.0 |
10 | 45.23 ± 2.69* | 21.41 ± 2.40* | 23.82 ± 0.80 | 2,565.4 ± 139.0 | 9,027 ± 536† | 6.26 ± 0.24 | 149.0 ± 4.8 |
12 | 47.88 ± 2.75* | 23.71 ± 2.34* | 24.17 ± 0.90 | 2,616.6 ± 156.3 | 9,074 ± 574† | 6.29 ± 0.25 | 150.4 ± 4.8 |
14 | 50.54 ± 2.83* | 26.01 ± 2.30* | 24.53 ± 1.07 | 2,667.7 ± 179.6 | 9,121 ± 615† | 6.32 ± 0.29 | 151.8 ± 4.9* |
16 | 53.20 ± 2.95* | 28.31 ± 2.27* | 24.89 ± 1.27 | 2,718.9 ± 206.8 | 9,168 ± 659† | 6.35 ± 0.35 | 153.2 ± 5.1* |
18 | 55.86 ± 3.09* | 30.61 ± 2.27* | 25.25 ± 1.49* | 2,770.1 ± 236.7* | 9,215 ± 706† | 6.37 ± 0.42 | 154.5 ± 5.3* |
20 | 58.52 ± 3.25*† | 32.92 ± 2.29* | 25.60 ± 1.73* | 2,821.2 ± 268.3* | 9,262 ± 754† | 6.40 ± 0.50 | 155.9 ± 5.6* |
P < 0.05 vs. LVEDP 5 mm Hg of same genotype; †P < 0.05 vs. corresponding measure/LVEDP WT mice, one-way repeated-measures ANOVA with Bonferroni’s multiple comparison test. Errors reflect SEM.