| Type | MGI:General | Description | mice show a decrease in the mean cross-sectional area of myofibers at P10, indicating hypotrophic myofibers and impaired postnatal muscle growth by 4 weeks of age, accumulation of internalized myonuclei and pathological desmin aggregation is seen in myofibers which is further exacerbated by 12 weeks of age mice contain clusters of myofibrils that lack myofilaments |
