| CHRNA3 | cholinergic receptor nicotinic alpha 3 |
| DBH | dopamine beta hydroxylase |
| FMO3 | flavin containing monooxygenase 3 |
| GAP43 | growth associated protein 43 |
| GUSB | glucuronidase beta |
| PHOX2B | paired-like homeobox 2b |
| POSTN | periostin |
| PRRX1 | paired related homeobox 1 |
| TH | tyrosine hydroxylase |