Table 1. Determination of neurotrophic factors in supernatant from the culture medium in AFS and fibroblast cell culture by ELISA.

	AFS	Fibroblast	P values
NT-3	0.55±0.02 OD	0.33±0.02 OD	P<0.01
BDNF	0.35±0.02 OD	0.21±0.004 OD	P<0.01
CNTF	0.33±0.02 OD	0.063±0.005 OD	P<0.001
GDNF	0.28±0.03 OD	0.094±/0.004 OD	P<0.01

The data was presented as mean±standard error.

The abbreviation of OD, AFS, NT-3, BDNF, CNTF, and GDND: see text.