Table 2.

Animal distribution within experimental groups.

		SOD1/rag2 Tx 4-Copies	SOD1/rag2 Tx 8-Copies	SOD1/rag2 No Tx 4-Copies	SOD1/rag2 No Tx 8-Copies	Rag2 no Tx
Survival		n = 5	n = 6	n = 74	n = 30	-
IHC	150 days	n = 5	n = 4	n = 7	n = 4 (terminal)	n = 3 (126 days)
	200 days	n = 6	-	n = 3	-
	>220 days	-	-	n = 5	-
Nissl staining	150 days	n = 4	n = 4	n = 5	n = 4 (terminal)	n = 4
	200 days	n = 6	-	n = 4	-
	>220 days	n = 1	-	n = 5	-
WB	150 days	n = 5	-	n = 5	-	n = 5 (28.5 weeks)
	200 days	n = 5	-	n = 5	-
MRI		n = 5	n = 3	n = 7	n = 5	n = 3