Additional Table 1.

The percentage of DCX-positive cells in each group

Groups	DCX-positive cells (%)
NV	2.6	0.3	5.1	1.7	0.3
GFP	1.0	0.9	2.7	9.6	1.8
Neurod1	16.9	8.9	11.6	18.8	10.7
P-value	NV vs. NeuroD1		0.0006**
	GFP vs. NeuroD1		0.0036**
	NV vs. GFP		0.5367

**P < 0.01, Power = 0.88. DCX: Doublecortin; GFP: green fluorescent protein; NeuroD1: neurogenic differentiation factor 1; NV: non-virus group.