| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Nerve Growth Factor | 100 | + | |
| 2 | Neurotrophin 3 | 14 | + | |
| 3 | Brain-Derived Neurotrophic Factor | 11 | + | |
| 4 | Glial Cell Line-Derived Neurotrophic Factors | 6 | + | |
| 5 | Ciliary Neurotrophic Factor | 5 | + | |
| 6 | Neuregulins | 3 | + | |
| 7 | Pituitary Adenylate Cyclase-Activating Polypeptide | 1 | + |