behavior/neurological
• mice develop motor dysfunction compared with wild-type mice with greater latency and slower progression than homozygous mice
|
• after 18 months of age, mice exhibit impaired performance on a rotarod compared with wild-type mice
|
• at 18 months, mice have shorter strides than wild-type mice
|
nervous system
astrocytosis
(
J:147580
)
• in older mice
|
• motor neuron loss corresponds to severity of motor impairment
|
homeostasis/metabolism
amyloidosis
(
J:147580
)
• in the spinal cord or brain tissue when mild clinical signs of pathology are apparent
• the number of inclusions increases as clinical phenotypes worsen
|