Selank is a synthetic heptapeptide developed by the Institute of Molecular Genetics of the Russian Academy of Sciences. It is an analogue of the immunomodulatory peptide tuftsin and exhibits anxiolytic and nootropic properties. Selank is known for its ability to modulate the expression of Interleukin-6 (IL-6) and affect the balance of T helper cell cytokines. It influences the concentration of monoamine neurotransmitters and induces the metabolism of serotonin. Additionally, Selank rapidly elevates the expression of brain-derived neurotrophic factor (BDNF) in the hippocampus of rats.
In clinical trials, Selank has demonstrated a sustained nootropic and anxiolytic effect, making it a potential treatment for generalized anxiety disorder (GAD). Unlike traditional anxiety treatments such as benzodiazepines, Selank does not cause sedation, cognitive impairment, addiction, or withdrawal symptoms.
Selank’s mechanism of action involves inhibiting enzymes that degrade enkephalins and other endogenous regulatory peptides, which may contribute to its effects. It also affects the activity of carboxypeptidase H and phenylmethylsulfonylfluoride-inhibited carboxypeptidase in rat nervous system tissue. Studies have shown that Selank produces antidepressant-like effects in animal models of depression and anhedonia.
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| Other Names | Selanc, Thr-Lys-Pro-Arg-Pro-Gly-Pro, TP-7 |
|---|---|
| IUPAC Name | (2S)-1-[2-[[(2S)-1-[(2S)-2-[[(2S)-1-[(2S)-6-amino-2-[[(2S, 3R)-2-amino-3-hydroxybutanoyl]amino]hexanoyl]pyrrolidine-2-carbonyl]amino]-5-(diaminomethylideneamino)pentanoyl]pyrrolidine-2-carbonyl]amino]acetyl]pyrrolidine-2-carboxylic acid |
| CAS | 129954-34-3 |
| Molecular Weight | 751.9 |
| Molecular Formula | C33H57N11O9 |
| SMILES | C[C@H]([C@@H](C(=O)N[C@@H](CCCCN)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCCN=C(N)N)C(=O)N2CCC[C@H]2C(=O)NCC(=O)N3CCC[C@H]3C(=O)O)N)O |