Table 1. Mean diameter (microns) of regenerating muscle fibers in wild type mice or CHC22 transgenic mice on indicated days after cardiotoxin injection.
Control# | Day 5 | Day 7 | Day 14 | Day 28 | ||
WTmice | mean ±s.e.m. | 71.1±0.5 | 31.2±0.2 | 38.0±0.2 | 53.0±0.5 | 71.0±0.4 |
n+ | 1268 | 1164 | 1642 | 1799 | 2012 | |
CHC22mice | mean ±s.e.m. | 69.4±0.4 | 30.4±0.1 | 37.1±0.2 | 47.0±0.3** | 63.6±0.4** |
n | 1308 | 1125 | 1669 | 1800 | 1988 |
Control animals were not injected with cardiotoxin.
n+ = total number of muscle fibers analyzed from 3 animals each of WT or CHC22-mice.
P<0.01, by Student’s t test.