What is Selank?

Selank is a synthetic seven-amino-acid peptide developed in Russia from the body's own peptide tuftsin. It is mainly studied in neuroscience research. Here you can read what Selank is, where it comes from and how to work with it in the lab.

Selank at a glance

Selank consists of the tetrapeptide tuftsin (Thr-Lys-Pro-Arg), extended with Pro-Gly-Pro. Tuftsin is a natural peptide cleaved from immunoglobulin G and known from immunology.

  • Type: heptapeptide (7 amino acids)
  • Sequence: Thr-Lys-Pro-Arg-Pro-Gly-Pro
  • Derived from: tuftsin plus Pro-Gly-Pro
  • Molecular weight: about 751 g/mol
  • Form: white lyophilized powder

Origin

Like Semax, Selank was developed at the Institute of Molecular Genetics of the Russian Academy of Sciences. The added Pro-Gly-Pro tail makes it much more stable than tuftsin itself. Selank is registered as a medicine in Russia; it is not approved in the EU.

Research areas

Selank is studied in preclinical models, including:

  • The GABA system in animal models
  • Gene expression in the brain
  • Neuropeptide and monoamine signalling pathways
  • Immune modulation, building on its origin in tuftsin

Selank and Semax

Selank and Semax are siblings of sorts: same institute, same stabilising tail, different parent molecule. Selank comes from tuftsin, Semax from ACTH. Our Semax vs Selank comparison sets out the differences point by point.

Storage and quality

Store lyophilized Selank at −20 °C, dry and protected from light. Reconstitute with bacteriostatic or sterile water and keep the solution at 2–8 °C.

Every batch of Selank from Virexa Labs is tested by HPLC for ≥99% purity and by mass spectrometry for identity. At Virexa Labs, Selank is intended solely for laboratory research and not for human or veterinary use.

Products

Frequently asked questions

What is Selank derived from?

From tuftsin (Thr-Lys-Pro-Arg), a natural peptide from immunoglobulin G, extended with Pro-Gly-Pro.

Is Selank approved in Europe?

No. Selank is registered in Russia but not approved as a medicine in the EU.

How many amino acids does Selank have?

Seven: Thr-Lys-Pro-Arg-Pro-Gly-Pro.

Is Selank intended for human use?

No. Selank from Virexa Labs is intended solely for laboratory research and not for human or veterinary consumption.

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