Table 7.

Quantitative analysis of motoneuron populations in mutant mice compared with controls

	Trochlear	%	Trigeminal motor	%	Facial	%	Hypoglossal	%
WT and (+/−)	198 ± 7 (29)		1078 ± 27 (29)		4315 ± 111 (26)		1909 ± 109 (10)
Agrin^−/−	271 ± 27 (7)^7-165	37	1339 ± 58 (6)^7-165	24	4734 ± 89 (5)	10	2412 ± 98 (3)^7-150	26
Agrin^Δz/Δz	259 ± 13 (5)^7-160	30	1380 ± 64 (6)^7-165	28	4964 ± 169 (5)^7-150	15	2518 (1)	32
Rapsyn^−/−	223 ± 16 (7)	12	1511 ± 35 (8)^7-165	40	5238 ± 173 (8)^7-165	21	2567 ± 96 (3)^7-150	35
MuSK^−/−	297 ± 17 (8)^7-165	50	1523 ± 37 (6)^7-165	41	5251 ± 130 (6)^7-160	22	2282 ± 100 (5)^7-150	20
Mean of synaptic mutants	264 ± 9 (27)^7-165	33	1444 ± 28 (26)^7-165	34	5079 ± 110 (24)^7-165	18	2405 ± 60 (12)^7-165	26

Numbers are the average ± SEM. The values in parentheses indicate the number of animals examined (
↵F7-150 p< 0.05,
↵F7-160 p < 0.01,
↵F7-165 p < 0.001). Percentages (%) refer to the increase in the number of motoneurons with respect to the controls. WT, Wild type.