Table 1. Summary of the status of animals and tissue analysis.

Group name (total numberof animals)	Description	Number of animals in analysis
		Biochemistry(& behavior)	IHC(& behavior)	HPLC
Intact (N = 13)	non-operated	5 (3)	4	4
Spinal (N = 4)	transected	–	–	4
SP-PBS (N = 8)	transected and bilaterally injected with PBS	3 (3)	5	–
SP-EGFP (N = 4)	transected and bilaterally injected with AAV1/2-SYN-EGFP	–	4	–
SP-BDNF (N = 11*)	transected and bilaterally injected with AAV1/2-SYN-BDNF	4 (4)	5 (7*)	–

*Two animals from this group had died before the end of the experiment and thus were tested only behaviorally in the early post-operative period (see text for details).

Numbers in brackets mark those animals which were used for both behavioral and biochemical analyses.