Table 1.
The postabsorptive and postprandial fractional rates of total protein synthesis, degradation, and accretion, and total RNA (as a measure of ribosomal abundance) in hind limb muscles of well-nourished rats from 6 to 70 days of age
| Postnatal age days |
Synthesis, %/day | Degradation %/day |
Accretion %/day |
Total RNA (Crna) mg/g protein |
|
|---|---|---|---|---|---|
| post-absorptive | post-prandial | ||||
| 6 | 16±4 | 34±2 | 15±1 | 19±1 | 38±1 |
| 10 | 12±3 | 27±4 | 32±3 | ||
| 15 | 13±3 | 25±1 | 12±1 | 14±1 | 21±1 |
| 22 | 20±1 | 14±1 | |||
| 28 | 11±2 | 17±1 | 9±1 | 8±1 | 9±0.1 |
| 43 | 6±1 | 8±0.1 | |||
| 70 | 3±1 | 4±1 | 4±1 | 0±1 | 5±0.1 |
Values are means ± SE; n = 6–10 per age. CRNA, translational capacity. Data are compiled from Davis et al. [17] and unpublished data.