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. 2016 Nov 28;113(50):14426–14431. doi: 10.1073/pnas.1609308113

Table S2.

β-arrestin KO vs. WT response to LV loading

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.