High Quality Selank

Name:  Lynn
Wechat：  15914422644

Tel：+86  15914422644

Whatsapp: +852 6252 8290

Email：    guangsheng 5   @zgguangsheng.com

1. Core Molecular & Physicochemical Specifications

2. Mechanism of Action

1. GABAergic Modulation: Allosterically enhances GABA-A receptor activity, reducing neural excitability without sedation (unlike benzodiazepines).
2. Serotonin/Dopamine Balance: Upregulates serotonin metabolism and modulates dopamine, stabilizing mood and stress resilience.
3. BDNF Elevation: Promotes neurotrophic factor expression, supporting neuroplasticity, learning, and memory.
4. Cytokine Regulation: Modulates IL-6 and T-helper cell cytokines, linking neuroimmune communication and reducing neuroinflammation.
5. HPA Axis Modulation: Attenuates stress-induced cortisol release, improving long-term stress adaptation.

3. Biological Functions & Research Applications

3.1 Core Biological Effects

• Anxiolytic Action: Comparable to benzodiazepines without sedation/dependence; relieves GAD/PTSD symptoms rapidly (hours to days).
• Cognitive Enhancement: Improves learning, memory, and focus via BDNF; mitigates age-related cognitive decline.
• Antidepressant-like Effects: Augments traditional antidepressants; normalizes stress-induced behavioral changes.
• Immunomodulation: Balances pro/anti-inflammatory cytokines; enhances NK cell activity and antiviral responses.
• Neuroprotection: Protects against ischemic/hypoxic brain injury; slows neurodegeneration via BDNF upregulation.

3.2 Research & Clinical Applications

4. Production & Quality Control

4.1 Manufacturing Process

1. Solid-Phase Peptide Synthesis (SPPS): Fmoc chemistry assembles the 7-amino acid sequence, purified via RP-HPLC to ≥99% purity.
2. Lyophilization: Freeze-drying forms stable powder, extending shelf-life and enabling cold-chain storage/transport.

4.2 Quality Testing Standards

5. Administration, Safety & Handling

5.1 Administration Routes & Dosage

• Intranasal Spray: Most common; 300–900 mcg/day (1–3 divided doses) for anxiety/cognition.
• Subcutaneous Injection: Research use; 500–1000 mcg/day (1–2 doses) for neuroprotection/immune modulation.

5.2 Safety Profile

• Low Toxicity: Transient nasal irritation, mild headache, or dizziness (rare, dose-dependent, reversible).
• Non-Addictive: No dependence/withdrawal (unlike benzodiazepines); no sedation or cognitive impairment.
• Contraindications: Hypersensitivity to Selank; pregnancy/lactation (limited data); caution in severe renal/hepatic dysfunction.

5.3 Handling Recommendations

• Storage: -20°C dry/dark environment; avoid light/moisture.
• Transport: Cold chain (2–8°C) to preserve stability.
• Research-Only Use: For R&D; not for human clinical use without regulatory approval.
• Disposal: Follow local chemical waste guidelines to prevent environmental contamination.

6. Advantages of High-Purity Selank Powder

1. Reliable Research Data: Minimal impurities ensure consistent in vitro/in vivo experimental results.
2. Pharmaceutical Compatibility: Meets GMP standards for preclinical formulation development.
3. Long-Term Stability: Low impurity content reduces degradation risk, extending shelf-life.
4. Reduced Side Effects: High purity minimizes non-specific reactions in research models.