Table 1. Summary of cardiomyocyte data from each species and life stage.
| Species | Left Ventricle with Septum |
Right Ventricle |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MononucleatedPercentage | MononucleatedVolume(µm3) | MononucleatedPloidy (n) | BinucleatedPercentage | BinucleatedVolume (µm3) | BinucleatedPloidy (n) | MonucleatedPercentage | MononucleatedVolume(µm3) | MononucleatedPloidy (n) | BinucleatedPercentage | BinucleatedVolume(µm3) | BinucleatedPloidy (n) | |
| Weanling Mouse(n = 10) 8,923 cells | 20 ± 1.4% | 5,634 ± 1,035 | 2n:100 ± 0% | 80 ± 1.4% | 8,007 ± 1404 | 2*2n:100 ± 0% | 14.9 ± 1.4% | 6,651 ± 1,666 | 2n:100 ± 0% | 85.1 ± 1.4% | 14,763 ± 3,405 | 2*2n:100 ± 0% |
| Adult Mouse(n = 3) 2,007 cells | 4.4 ± 0.4% | 16,851 ± 403 | 2n:97.7 ± 1.5%4n:2.3 ± 1.5% | 95.6 ± 0.4% | 23,845 ± 186 | 2*2n:91.3 ± 5.9%2*4n:8.7 ± 5.9% | 3.8 ± 0.9% | 13,116 ± 811 | 2n:98 ± 2%4n:2 ± 2% | 96.2 ± 0.9% | 15,154 ± 1,045 | 2*2n:95.3 ± 2.4%2*4n:4.7 ± 2.4% |
| Weanling Rabbit(n = 4) 3,200 cells | 13.6 ± 1.1% | 6,063 ± 529.5 | 2n:100 ± 0% | 86.4 ± 1.1% | 9,015 ± 553 | 2*2n:100 ± 0% | 14 ± 3.7% | 6,699 ± 611 | 2n:100 ± 0% | 86 ± 3.7% | 11,347 ± 758 | 2*2n:100 ± 0% |
| Adult Rat(n = 3) 5,211 cells | 3.5 ± 0.3% | 18,006 ± 541 | 2n:93 ± 0.6%4n:7 ± 0.6% | 96.5 ± 0.3% | 25,453 ± 117 | 2*2n:90 ± 1.5%2*4n:10 ± 1.5% | 3.2 ± 1.1% | 16,100 ± 952 | 2n:92.3 ± 1.5%4n:7.7 ± 1.5% | 96.8 ± 1.1% | 21,662 ± 852 | 2*2n:90.7 ± 0.7%2*4n:9.3 ± 0.7% |
| Fetal Sheep(n = 7) 8,000 cells | 12.9 ± 1.6% | 3,417 ± 1,169 | 2n:100 ± 0% | 87.1 ± 1.6% | 5,522 ± 1,221 | 2*2n:100 ± 0% | 8.9 ± 1.2% | 5,278 ± 909 | 2n:100 ± 0% | 91.1 ± 1.2% | 10,152 ± 687 | 2*2n:100 ± 0% |
| 9 week old Lamb(n = 5) 28,103 cells | 2.4 ± 0.9% | 9,998 ± 648 | 2n:100 ± 0% | 97.6 ± 0.9% | 18,344 ± 685 | 2*2n:100 ± 0% | 1.6 ± 0.7% | 10,162 ± 462 | 2n:99.9 ± 0.1%4n:0.1 ± 0.1% | 98.4 ± 0.7% | 13,164 ± 246 | 2*2n:100 ± 0% |
| Adult Sheep(n = 2) 2,938 cells | 1.5 ± 1.5% | 19,942 ± 2,732 | 2n:97.4 ± 2.6%4n:2.6 ± 2.6% | 98.5 ± 1.5% | 27,111 ± 4,923 | 2*2n:92 ± 2%2*4n:8 ± 2% | 1.5 ± 0.3% | 14,549 ± 904 | 2n: 99.0 ± 1%4n:1 ± 1% | 98.5 ± 0.3% | 18,051 ± 401 | 2*2n:95 ± 32*4n:5 ± 3 |
Data are segregated as Left Ventricle with Septum and Right Ventricle, and are further divided into mononucleated and binucleated cardiomyocytes. n = refers to the number of animals; number of cells is the total number of cells analysed.