| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Brain-Derived Neurotrophic Factor | 100 | + | |
| 2 | Pituitary Adenylate Cyclase-Activating Polypeptide | 47 | + | |
| 3 | Glial Cell Line-Derived Neurotrophic Factors | 45 | + | |
| 4 | Nerve Growth Factor | 43 | + | |
| 5 | Neuregulins | 22 | + | |
| 6 | Neurotrophin 3 | 7 | + |