Table 4.

Number of motoneurons in rapsyn null mutant mice (rapsyn−/−) and their wild-type littermates

Rapsyn+/+Rapsyn−/−% increase
Trochlear178  ± 22 (5)223  ± 16 (7)25
Trigeminal motor1119  ± 59 (7)1511  ± 35 (8)4-16535
Facial4572  ± 150 (7)5238  ± 173 (8)4-15015
Hypoglossal2237  ± 61 (3)2567  ± 96 (3)4-15015

  • Rapsyn+/+ and rapsyn−/− values are the average ± SEM. The values in parentheses indicate the number of animals examined (

  • ↵F4-150 p < 0.05,

  • ↵F4-165 p < 0.001). Percentages (%) refer to the increase in the number of motoneurons with respect to the controls (rapsyn+/+).