Table 1. Summary of hfMSC transplantation into the cerebellum of SCA1 mice.

Genotype	Injection age	No. of mice examined	Incubation period (weeks)	No. of mice that yielded GFP(+) cells	No. of mice (FLEx-Tet/Tet-off)
SCA1	4 weeks old	12	4–21	0	4 / 8
	6–8 months old	16	2–26	9	12 / 4
WT	4 weeks old	11	10	1	0 / 11
	6–8 months old	10	2–5	0	0 / 10