Selank is a synthetic heptapeptide combining the tuftsin fragment with a C-terminal Pro-Gly-Pro extension, studied for its influence on GABAergic signaling, monoamine balance, and BDNF expression. Supplied as a ≥99% HPLC-verified lyophilized powder for laboratory research use only.
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Third-Party Tested by Janoshik Analytical
Compound Information
Technical specifications
Lyophilized powder; keep sealed, dry, and protected from light
Pro-Gly-Pro terminus confers resistance to enzymatic cleavage
Aliquot after reconstitution; avoid repeated freeze–thaw cycles
Lyophilized Powder
-20°C preferred; 2–8°C for short-term handling
Reconstituted
2–8°C
Selank is a synthetic heptapeptide built from tuftsin (Thr-Lys-Pro-Arg), an endogenous immunomodulatory tetrapeptide, with a C-terminal Pro-Gly-Pro extension that markedly slows enzymatic degradation. It shares this stabilizing design with Semax, and both originate from the same Russian research lineage. Selank is investigated for its reported influence on GABAergic signaling, monoamine balance, and BDNF expression, alongside immunomodulatory effects inherited from its tuftsin core — a combination that makes it a subject of interest at the intersection of neurology and immunology. Supplied as a high-purity lyophilized powder for reproducible in-vitro and approved in-vivo work. This product is for laboratory research and development purposes only and must be handled by qualified professionals. Not for human, therapeutic, or diagnostic use.
GABAergic Signaling
Most commonly studied for its reported modulation of GABA receptor expression and inhibitory neurotransmission.
Immunomodulatory Core
Built on tuftsin, an endogenous immunomodulatory tetrapeptide — giving it relevance at the neuro-immune interface.
Enzymatic Stability
The C-terminal Pro-Gly-Pro extension substantially slows proteolytic cleavage relative to bare tuftsin.
Monoamine Balance
Investigated for its influence on serotonergic and dopaminergic turnover in preclinical CNS models.
BDNF Expression
Reported to influence neurotrophic factor expression, making it a comparator alongside related peptides such as Semax.
≥99% HPLC Purity
Every batch is HPLC-verified and supplied lyophilized, ensuring reproducible results across long study timelines.
Selank is a synthetic heptapeptide built from tuftsin (Thr-Lys-Pro-Arg) with a C-terminal Pro-Gly-Pro extension that slows enzymatic degradation.
Both use the same Pro-Gly-Pro stabilizing strategy and originate from the same research lineage, but they are built on different parent fragments — Selank on tuftsin, Semax on ACTH(4–7). They are frequently studied as comparators.
It appears in studies of GABAergic signaling, monoamine turnover, BDNF expression, and immunomodulation — the last inherited from its tuftsin core.
No. This product has not been evaluated by the FDA and is strictly intended for research and development purposes by qualified professionals only.