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Selank
Specialty Peptides

Selank

$63.00$50.0021% OFFIn StockChecking availability...

Selank is a synthetic heptapeptide derived from the immunomodulatory peptide tuftsin. This research-grade peptide is extensively studied for its anxiolytic and nootropic properties, as well as its effects on GABAergic neurotransmission and BDNF expression in laboratory settings.

Purity

99%+

Size

10mg

1
COA Available
Lab Verified
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For Research Use Only (RUO)

This product is intended for in-vitro research applications only. Not for human or animal consumption, cosmetic use, or as a dietary supplement. All customers must be at least 21 years of age. It is the researcher's responsibility to handle materials in accordance with their institution's safety protocols and all applicable laws.

Specifications

Molecular Weight751.87 Da
SequenceThr-Lys-Pro-Arg-Pro-Gly-Pro
AppearanceWhite lyophilized powder
StorageStore at -20°C
SolubilitySoluble in sterile water

Certificate of Analysis

Each batch of Selank undergoes rigorous third-party testing to ensure purity and identity verification. Download your COA instantly.

HPLC Purity Analysis
Mass Spectrometry Verification
Lot-Specific Documentation

Extended Research Applications & Mechanisms

Overview

Selank is a synthetic heptapeptide derived from the immunomodulatory peptide tuftsin with an additional Pro-Gly-Pro sequence. This research-grade peptide has been extensively studied for its anxiolytic and nootropic properties in laboratory settings. Selank is utilized as a tool compound in neuroscience research to investigate anxiety-related pathways, cognitive function, and immunomodulatory mechanisms. All discussion herein is limited to experimental research contexts and does not imply applied, therapeutic, or physiological use.

Biochemical Characteristics

Sequence: Thr-Lys-Pro-Arg-Pro-Gly-Pro
Molecular Formula: C₃₃H₅₇N₁₁O₉
Molecular Weight: 751.87 g/mol
CAS Number: 129954-34-3

Selank is a synthetic derivative of tuftsin (Thr-Lys-Pro-Arg), a naturally occurring tetrapeptide fragment of immunoglobulin G. The addition of Pro-Gly-Pro enhances metabolic stability and blood-brain barrier penetration in experimental models.

Research Applications

Selank is employed in laboratory research to study anxiety-related neurobiology and cognitive enhancement mechanisms. Common experimental applications include anxiety behavior paradigms, memory and learning assays, and neuroimmune function studies. Research protocols utilize Selank to investigate the interaction between immunomodulatory peptides and central nervous system function, particularly the role of tuftsin-derived compounds in stress response and neuroplasticity.

Pathway / Mechanistic Context

Mechanistically, Selank exerts effects through multiple converging pathways. The peptide modulates GABAergic neurotransmission, enhancing inhibitory signaling in anxiety-related brain regions including the amygdala and prefrontal cortex. Additional pathways include effects on monoamine metabolism, particularly serotonin turnover in limbic structures. Selank also influences BDNF expression and enkephalin stability, suggesting involvement in neuroplasticity and endogenous opioid regulation in preclinical models.

Preclinical Research Summary

Preclinical investigations of Selank include in-vitro receptor binding studies and in-vivo animal models evaluating anxiolytic activity, cognitive function, and stress resilience. Reported findings include reduced anxiety-like behaviors, enhanced memory consolidation, and modulated immune responses. Animal studies further explore effects on gene expression in stress-related brain regions, demonstrating alterations in numerous genes involved in neurotransmission and neuroplasticity. All findings are interpreted strictly within the context of laboratory research models.

Form & Analytical Testing

Selank is supplied as a synthetic research-grade lyophilized peptide. Identity and purity are confirmed through analytical methodologies including high-performance liquid chromatography (HPLC) and mass spectrometry (MS). Batch-specific documentation includes certificate of analysis data supporting molecular identity and purity metrics ≥99%.

Mechanisms of Action

1

GABAergic Modulation - Enhances GABA-A receptor sensitivity and GABAergic neurotransmission

2

Serotonin System - Modulates serotonin metabolism and 5-HT receptor expression

3

BDNF Expression - Upregulates brain-derived neurotrophic factor in hippocampal regions

4

Enkephalin Regulation - Stabilizes enkephalin degradation and opioid peptide levels

Research Applications

1Anxiety & Stress Research

Selank is primarily studied for its anxiolytic properties and effects on stress-related behaviors.

Key Research Findings
  • Reduces anxiety-like behaviors in multiple preclinical paradigms
  • Modulates HPA axis response to acute and chronic stress
  • Enhances GABA-A receptor-mediated inhibition
  • Does not produce sedation or motor impairment in research models

2Cognitive Function Research

Research explores effects on learning, memory, and neuroplasticity.

Key Research Findings
  • Enhances memory consolidation in spatial learning tasks
  • Increases BDNF expression in hippocampal regions
  • Improves attention and cognitive flexibility in research models
  • Modulates gene expression related to synaptic plasticity

3Immunomodulatory Research

Studies investigate effects on immune function derived from tuftsin activity.

Key Research Findings
  • Modulates cytokine expression profiles
  • Influences monocyte and macrophage activity
  • Interacts with neuroimmune signaling pathways
  • Derived from immunoglobulin G fragment with immune activity

Supporting Research & Bibliography

The following peer-reviewed publications support the research applications described above. References are provided for informational purposes to assist researchers in their literature review.

1

Selank and its neuroprotective activity

Seredenin SB, Kozlovskaya MM.

Vestnik Rossiiskoi Akademii Meditsinskikh Nauk2012;67:47-50PubMed
2

The inhibitory effect of Selank on enkephalin-degrading enzymes as a possible mechanism of its anxiolytic activity

Zozulya AA, Kost NV, Sokolov OY, et al.

Bulletin of Experimental Biology and Medicine2001;131:315-317DOIPubMed
3

Effect of Selank on cognitive processes after lesion of the catecholamine system of the brain in rats

Semenova TP, Kozlovskaya MM, Zakharova NM, et al.

Bulletin of Experimental Biology and Medicine2007;144:689-691DOIPubMed
4

Selank peptide affects gene expression of monocyte-derived macrophages

Kasian A, Kolomin T, Andreeva L, et al.

Frontiers in Pharmacology2018;9:1005DOIPubMed

Total references: 4

Note: The information provided is for research reference only. All research applications are based on in-vitro and animal studies. This product is intended for laboratory research purposes only. Not for human or veterinary use.

Research Use Only: This product is intended for laboratory research purposes only. Not for human or veterinary use. By purchasing, you confirm that you are a qualified researcher and will use this product in accordance with all applicable regulations.

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