mortality/aging
premature death
(
J:266
)
• three months is the maximum life-span with many dying at 20-30 days of age
|
growth/size/body
• some mice are underweight from birth compared with sib controls
|
• recognized in the majority of mutants from 10 days onward
|
behavior/neurological
• mice make a series of motions made with one extremity fixed
|
abnormal gait
(
J:266
)
• initially mice walk hurredly, stiff-legged; after a month they walk with a duck-like waddle
|
hyperactivity
(
J:266
)
• evident when mice begin to walk
|
nervous system
• lesions are obvious in mice by 21 days of age
|
• lesions are obvious in mice by 21 days of age, presenting as a general atrophy of the cells with significant degeneration of nuclei
|