Executive Overview

SELANK is a synthetic, metabolic-stable analogue of the endogenous tetrapeptide Tuftsin ($Thr$–$Lys$–$Pro$–$Arg$). Developed by the Institute of Molecular Genetics (Russian Academy of Sciences), SELANK was engineered by appending a $Pro$–$Gly$–$Pro$ tripeptide sequence to the C-terminus of Tuftsin.

This structural modification significantly extends its biological half-life and bioavailability compared to its natural precursor, making it a robust subject for neuropharmacological research into anxiety, cognition, and neurotransmitter regulation.

Multi-Pathway Mechanism of Action

Unlike traditional pharmaceutical agents, SELANK exhibits a diverse range of actions across the central nervous system (CNS) without the sedative or addictive profiles typically associated with anxiolytics.

1. GABAergic Modulation

SELANK acts as an allosteric modulator of the GABA-A receptor. It enhances the binding affinity of GABA (Gamma-Aminobutyric Acid), the brain’s primary inhibitory neurotransmitter. This stabilizes neural activity and promotes an anxiolytic response without inducing the hypnotic effects seen in benzodiazepines.

2. Neurotrophic Support (BDNF)

Research indicates that SELANK can rapidly upregulate the expression of Brain-Derived Neurotrophic Factor (BDNF) within the hippocampus. This protein is essential for:

• Neuroplasticity: The ability of the brain to form new neural connections.

• Synaptic Health: Maintaining the strength and efficiency of signal transmission.

• Cognitive Reserve: Protecting neurons against stress-induced atrophy.

3. Neurotransmitter Normalization

SELANK exhibits “regulatory” behavior, helping to normalize the concentrations of monoamines such as Serotonin and Dopamine. By correcting imbalances in these pathways, it is studied for its ability to stabilize mood and improve focus during high-stress conditions.

Technical Specifications

Research Applications

In laboratory and animal models, SELANK is utilized to investigate:

• Anxiolytic Efficacy: Comparative studies against standard anxiolytics in Generalized Anxiety Disorder (GAD) models.

• Nootropic Properties: Enhancement of memory consolidation, sensory attention, and learning speed.

• Immunomodulation: Analyzing its ancestral link to Tuftsin to observe changes in cytokine expression (specifically IL-6) and overall immune response modulation.

• Enkephalin Stability: Monitoring the inhibition of enkephalin-degrading enzymes to potentially extend natural pain-relief and stress-reduction signals.

Handling & Storage

• Form: Supplied as 10mg of sterile, lyophilized powder in a vacuum-sealed vial.

• Reconstitution: Typically requires sterile water or physiological saline for research application.

• Temperature: Store lyophilized powder at -20°C for long-term stability. Once reconstituted, store at 2°C to 8°C and utilize within the validated stability window.

Strict Laboratory Disclaimer

FOR RESEARCH USE ONLY: This compound is intended strictly for in vitro or laboratory animal research. It is not intended for human consumption, therapeutic intervention, or diagnostic use. All handling must be performed by qualified scientific personnel using appropriate safety protocols.