Table 1.

Antigenic phenotype of STAT3^high cells

Phenotype	E15	E17
EGFRhigh/STAT3high	ND	49.3  ± 5.0
S-100β/STAT3high	ND	45.7  ± 0.7
GFAP/STAT3high	ND	0  ± 0
TuJ1/STAT3high	ND	2  ± 0.6
PCNA/STAT3high	78.3 ± 3.2	78.7  ± 2.9
PAX6/STAT3high	42.3 ± 7.8	3.2  ± 0.8

For each value, at least 100 cells were counted per cortex, and at least three different embryos were analyzed. Data are expressed as mean ± SEM. ND, Not determined.