| Ligands | Finding place | Express place | Receptors |
| Netrin-1 | chicken [58] mouse [37] Xenopus [59] zebrafish [60] humans [61] |
Spinal cord, floor plate, ventral ventricular zone, retinal | Unc5a Unc5b Unc5c Unc5d DCC DSCAM integrins (??3??1&??6??3 ) cerebellin-4 neogenin |
| Netrin-2 | Chickens [58] | spinal cord , dorsal root ganglia |
No report |
| Netrin-3 | Humans [62] mouse [63]. |
peripheral nervous system (sensory ganglia, sympathetic neurons) | Little bonding with DCC. |
| Netrin-4 | Mouse [64] Human Rat Xenopus chicken |
kidney, heart, ovary, brain, retina, olfactory bulb | No report |
| NetrinG1/G2 | Human | thalamus, olfactory bulb |
NGL-1 |