Table 1. Four randomized and blinded groups with six animals per group.

Group	Acute	Subacute
1	hMSC IV	hNSC direct injection
2	hMSC IV	Cell media direct injection
3	Cell media IV	hNSC direct injection
4	Cell media IV	Cell media direct injection

Abbreviations: hMSC, human mesenchymal stem cells; hNSC, human fetal neural stem cells.