Table 1.

Echocardiography analyses of the experimental mice

ParameterFibWT AA/B6Fibγ390-396A AA/B6FibWT SSFibγ390-396A SS
IVS;d, mm 0.80 ± 0.05 0.84 ± 0.05 0.91 ± 0.05 0.83 ± 0.08 
LVPW;d, mm 0.80 ± 0.04 0.81 ± 0.04 0.84 ± 0.04 0.77 ± 0.05 
LA, mm 2.2 ± 0.6 2.5 ± 0.1 3.2 ± 0.2* 2.8 ± 0.2 
MV E, cm/s 645 ± 33 645 ± 62 730 ± 74 689 ± 56 
MV LW E′, cm/s 22 ± 3 21 ± 2 31 ± 6 20 ± 3 
MV E/LW E′ 32 ± 3 32 ± 4 31 ± 4 39 ± 8 
Heart rate, bpm 344 ± 31 330 ± 27 372 ± 31 383 ± 26 
ParameterFibWT AA/B6Fibγ390-396A AA/B6FibWT SSFibγ390-396A SS
IVS;d, mm 0.80 ± 0.05 0.84 ± 0.05 0.91 ± 0.05 0.83 ± 0.08 
LVPW;d, mm 0.80 ± 0.04 0.81 ± 0.04 0.84 ± 0.04 0.77 ± 0.05 
LA, mm 2.2 ± 0.6 2.5 ± 0.1 3.2 ± 0.2* 2.8 ± 0.2 
MV E, cm/s 645 ± 33 645 ± 62 730 ± 74 689 ± 56 
MV LW E′, cm/s 22 ± 3 21 ± 2 31 ± 6 20 ± 3 
MV E/LW E′ 32 ± 3 32 ± 4 31 ± 4 39 ± 8 
Heart rate, bpm 344 ± 31 330 ± 27 372 ± 31 383 ± 26 

Echocardiograms were performed 12 months post-BMT. Similar numbers of fully chimeric male and female mice were used in the experimental groups. Data are presented as mean plus or minus SEM. Statistical significance was determined using 1-way ANOVA followed by the Tukey's multiple comparison test.

bpm, beats per minute; LW E′, lateral wall mitral valve tissue Doppler E wave; MV E, mitral valve early filling.

*

P ≤ .01 vs FibWT AA/B6.

P ≤ .05 vs Fibγ390-396A AA/B6.

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