Abcg2−/− satellite cells exhibit no cell-autonomous defects
| Genotype | Colony size | Pax7+ cells | MyoD+ cells | Fusion index | |
| Day 2 | Day 3 | Day 3 | Day 3 | Day 5 | |
| Number of cells | % | % | % | % | |
| Abcg2+/+ | 41 ± 5 | 57.9 ± 3.6 | 78.2 ± 3.0 | 39.0 ± 2.6 | 65.7 ± 2.2 |
| Abcg2−/− | 33 ± 4 | 48.8 ± 3.7 | 83.9 ± 2.6 | 36.9 ± 2.1 | 67.6 ± 2.2 |
| Genotype | Colony size | Pax7+ cells | MyoD+ cells | Fusion index | |
| Day 2 | Day 3 | Day 3 | Day 3 | Day 5 | |
| Number of cells | % | % | % | % | |
| Abcg2+/+ | 41 ± 5 | 57.9 ± 3.6 | 78.2 ± 3.0 | 39.0 ± 2.6 | 65.7 ± 2.2 |
| Abcg2−/− | 33 ± 4 | 48.8 ± 3.7 | 83.9 ± 2.6 | 36.9 ± 2.1 | 67.6 ± 2.2 |
The number of nuclei in multinucleated MyHC-positive myotubes per total myonuclei was scored (fusion index). Values are means ± SEM. n = 3 independent experiments.