Table 2.
Primary myoblast cell lines used and characterization.
| Sample | Sex | Age at biopsy in years | Repeat length | Muscle of origin | Positive for Ki-67 staining in % | Positive for desmin staining in % | Used for immune-fluorescence | Used for western blot |
|---|---|---|---|---|---|---|---|---|
| Ctrl-1 | ♂ | 43 | – | M. biceps brachii | 22.3 | 96.2 | yes | yes |
| Ctrl-2 | ♀ | 36 | – | M. biceps brachii | 42.0 | 68.4 | yes | no |
| Ctrl-3 | ♀ | 49 | – | M. vastus lateralis | 27.0 | 95.2 | yes | yes |
| DM1-1 | ♂ | 38 | 200 | unknown | n.d. | n.d. | yes | no |
| DM1-2 | ♂ | 34 | 240–430 | M. deltoideus | 16.6 | 70.1 | yes | yes |
| DM1-3 | ♀ | 33 | 300–500 | unknown | 26.6 | 83.3 | yes | yes |
| DM1-4 | ♂ | 27 | 400–600 | unknown | n.d. | 100 | yes | no |
| DM1-5 | ♀ | 29 | 800–1500 | unknown | 37.9 | 50.3 | yes | yes |
| DM2-1 | ♂ | 31 | n.d. | unknown | 57.6 | 48.0 | yes | yes |
| DM2-2 | ♀ | 32 | n.d. | M. vastus lateralis | 43.0 | 86.0 | yes | yes |
| DM2-3 | ♂ | 41 | n.d. | M. rectus femoris | 43.4 | 45.0 | yes | yes |
| DM2-4 | ♀ | 37 | n.d. | M. biceps brachii | n.d. | n.d. | yes | no |
| DM2-5 | ♂ | 35 | n.d. | M. biceps brachii | 20.0 | 94.4 | yes | no |