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Selank: A Neuropeptide Research Overview

17 June 2026

Selank is a synthetic neuropeptide derived from the immunomodulatory peptide tuftsin. It is studied in neuroscience research focused on the stress response, anxiety-related endpoints and immune signalling.

What is Selank?

Selank is a stabilised analogue of a tuftsin fragment. In research it is used as a tool to study peptide effects on the central nervous system and on immune-related pathways without the broader activity of the parent molecule.

Pathways studied in the literature

  • Modulation of GABAergic and serotonergic signalling in animal models.
  • Stress and anxiety-related behavioural endpoints.
  • Brain-derived neurotrophic factor (BDNF) expression.
  • Immune and interferon-related signalling (reflecting its tuftsin origin).

Summary of research findings

Selank research is predominantly preclinical, examining behavioural and neurochemical endpoints in animal models. It is frequently studied alongside Semax. Interpretation should remain anchored to the specific experimental models.

The research described here refers to laboratory and preclinical studies. Defined Labs products are supplied strictly for in vitro research use only.

This guide is for educational purposes and refers to laboratory and preclinical research. All Defined Labs products are supplied strictly for in vitro research use only and are not intended for human or veterinary use, consumption, or any clinical purpose.

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