Table 1.

Overview of the experimental groups

	Control		OPN
Group	Only borehole	ICV injection PBS (vehicle)	ICV injection OPN
Healthy (naive)	n = 3	n = 8	n = 8
Stroke	–	n = 13	n = 14

ICV intracerebroventricular, OPN osteopontin, PBS phosphate-buffered saline