Table 1.

GFRalpha expression in mammalian DRG. All studies were performed by in situ hybidization (FG fluoro-gold, L lumbar, T thoracic)

Species	Stage	Level	GFRa1	GFRa2	GFRa3	Reference
Mouse	Neonatal	Lumbar	17	22	34	Baudet et al. 2000
Rat	Adult	Lumbar	41	33	−	Bennett et al 1998
		L4/5	42	32	42	Bennett et al. 2000
		Retrograde FG labelling from sciatic nerve
		L4/5	50	19	17	Kashiba et al. 2003
Human	Adult	T11/12	20	51	32	Josephson et al. 2001