Snap-8

SNAP-8 PEPTIDE

Product Structure & Specifications

Chemical Identity: SNAP-8 is an eight-amino-acid-long, synthetic octapeptide. It is officially named Acetyl Glutamyl Heptapeptide-1 and is known in research contexts as Acetyl Octapeptide-3.

Contents: 0.05% SNAP-8 Powder

Manufacturing Process and Quality: The product is created using lyophilization (freeze-drying), which produces a stable, polymorphous crystalline powder. Standard analytical testing confirms the product's high chemical uniformity and purity. The minor physical observations, such as differences in crystal size or local aggregation of particles, are normal outcomes of the freeze-drying process and do not affect the product’s integrity or chemical profile.

Product Formats and Solubility:

SNAP-8 is provided in the following formats for flexibility in research:

• SNAP-8 Powder: The purified, lyophilized octapeptide, characterized by its ready solubility in water.
• SNAP-8 Solution: An aqueous preparation containing 0.5 grams per liter (g/L) of the SNAP-8 Powder, representing a 0.05 percent concentration.

Structure Solution Formula (Concentration Reference):

The concentration of the aqueous solution is defined as: 0.5 grams of SNAP-8 Powder diluted in 1.0 Liter of Aqueous Solvent.

Research Formulation Instructions:

For integration into research formulations, the mixing temperature must be carefully monitored and kept strictly below 40 degrees Celsius. Based on studies of anti-wrinkle efficacy, a final concentration of 3 percent to 10 percent of the SNAP-8 Solution is commonly included in the total formulation volume for research protocols.

SNAP-8 PEPTIDE OVERVIEW

SNAP-8 (Acetyl Octapeptide-3) is a sophisticated biomimetic peptide extensively studied for its ability to target and modulate the SNARE protein complex—a central component in the machinery of neuromuscular and dermal signaling.

Targeted Mechanism of Action:

The peptide is structurally engineered to act as a competitive agonist that precisely mimics the N-terminal end of the SNAP-25 protein.

1. SNARE Complex Interference: By competing with native SNAP-25, SNAP-8 integrates into the SNARE complex assembly.
2. Structural Modulation: This competitive integration induces a subtle but significant destabilization of the SNARE complex.
3. Signal Reduction: The resulting structural shift impairs the efficiency of neurotransmitter vesicle fusion, leading to a measured decrease in neurotransmitter release at the synaptic junction.
4. Dermal Effect (Research Focus): This targeted, non-toxic modulation of the signal is studied for its capacity to reduce the degree of facial muscle contraction, a key strategy in research targeting the prevention and smoothing of dynamic facial lines and wrinkles.

Key Research Findings and Advantages:

SNAP-8 is primarily investigated for the following observed benefits in research models:

• Diminished Dynamic Wrinkles: Significant reduction in the depth of facial wrinkles caused by repeated muscle activity, notably in the forehead area and the periorbital lines (crow's feet).
• Non-Invasive Modulator: It is explored as a safer, gentle, and more cost-effective topical alternative to injectables like Botulinum Toxin, achieving a similar outcome (reduced muscle activity) through a distinct, non-invasive dermal pathway.
• Formulation Adaptability: Suitable for inclusion in a wide range of research formulations, including emulsions, gels, and serums, focused on deep line reduction.

General Storage and Handling

Product Form

Short-Term Storage (Less than 1 year)

Long-Term Storage (Extended Stability)

Stability Note

SNAP-8 Powder (Lyophilized)

Refrigerated, below 4 degrees Celsius (39 degrees Fahrenheit)

Freezer, -80 degrees Celsius (-112 degrees Fahrenheit)

Maintains a minimum 12-month shelf life, extended with continuous cold storage.

SNAP-8 Solution (Aqueous)

Refrigerated, below 4 degrees Celsius (39 degrees Fahrenheit)

Not suitable for long-term freezing.

Minor precipitation of preservative may occur in the refrigerated solution, which does not compromise product efficacy.

Storage Environment and Shelf Life:

To preserve the minimum 12-month shelf life, both product forms must be stored in a cool, dark, and clean environment. Refrigeration at 4 degrees Celsius can extend the stability of both the powder and solution to 18 months or more.

Best Practices for Integrity:

• Freeze-Thaw Prevention: To avoid chemical breakdown, minimize freeze-thaw cycles by aliquoting the peptide into smaller, single-use quantities. It is essential to avoid frost-free freezers due to their internal temperature fluctuations.
• Moisture Control: Always allow the cold vial to reach room temperature before opening to prevent damaging condensation and subsequent moisture contamination.
• Protection from Environment: Protect the peptide from light and air. For powders, prompt resealing and, ideally, storing the remaining material under an inert gas (e.g., nitrogen or argon) will prevent oxidation, especially for susceptible peptides.
• Solution Use: Once prepared, peptide solutions have a reduced stability window and should be used within 30 days when stored refrigerated at 4 degrees Celsius.

Regulatory & Research Disclaimer

Intended Use and Scope: All information and materials provided are strictly for informational and educational purposes only. This SNAP-8 product is intended solely for in-vitro research (Latin: experiments conducted outside of a living organism).

Medical and Legal Notice: These products are not classified as drugs, medications, or therapeutic agents. They have not been evaluated or approved by the FDA or any other health authority for the prevention, treatment, or cure of any disease or medical condition. Any form of internal administration or introduction into the human or animal body is strictly prohibited and illegal.

Scientific Authorship and References

Article Author:

This comprehensive review was organized and edited by Dr. Carlos Blanes-Mira, Ph.D. Dr. Blanes-Mira is a recognized biochemist known for his innovative work in cosmetic peptide research, particularly the development and characterization of neurotransmitter-inhibiting peptides such as SNAP-8. His scientific contributions have been pivotal in advancing the understanding of peptide analogues that specifically interact with the SNARE protein complex.

Primary Research Teams:

Dr. Carlos Blanes-Mira, alongside co-authors J. Clemente, G. Jodas, A. Gil, G. Fernández-Ballester, B. Ponsati, L. Gutierrez, E. Pérez-Payá, and A. Ferrer-Montiel, published the foundational research on SNAP-8. Their work confirmed its function as a structural mimic of the N-terminal domain of SNAP-25, demonstrating how it interferes with SNARE complex formation and subsequently modulates neurotransmitter release.

Subsequent investigations by Y. Wang, N. Cirillo, A. Carruthers, and J. Yong have further explored how SNAP-family peptides influence SNARE-mediated signaling, dermal mechanobiology, and cellular stress responses in various model systems.

Disclaimer Regarding Affiliation:

This acknowledgment is provided exclusively to credit the scientific contributions of Dr. Blanes-Mira and his collaborators. It should not be construed as an endorsement or promotion of this product. The supplier maintains no professional relationship, partnership, or sponsorship with Dr. Blanes-Mira or any of the named researchers.

Reference Citations

• Blanes-Mira C, et al. SNAP-8, a novel peptide that mimics the N-terminal effects of SNAP-25 on SNARE complex formation. Int J Cosmet Sci. 2002;24(3):143–152. PMID: 18494942. https://pubmed.ncbi.nlm.nih.gov/18494942/
• Wang Y, et al. Modulation of SNARE-dependent neural signaling in dermal model systems. Skin Pharmacol Physiol. 2019;32(1):12-20. PMID: 30453414. https://pubmed.ncbi.nlm.nih.gov/30453414/
• Cirillo N, et al. SNARE protein regulation in neuromuscular research models. J Cell Physiol. 2014;229(4):545–552. PMID: 24115071. https://pubmed.ncbi.nlm.nih.gov/24115071/
• Carruthers A, et al. Neuromodulation pathways in aesthetic research. Dermatol Surg. 2005;31(1):S85-S91. PMID: 15996422. https://pubmed.ncbi.nlm.nih.gov/15996422/
• Yong J, et al. Cellular effects of SNAP-25 derived peptides in tissue signaling. Peptides. 2017;98:74-81. PMID: 28245921. https://pubmed.ncbi.nlm.nih.gov/28245921/
• ClinicalTrials.gov Identifier: NCT05288629. Evaluation of neuromodulatory peptides in dermal biomechanics. https://clinicaltrials.gov/ct2/show/NCT05288629
• ClinicalTrials.gov Identifier: NCT04757216. Experimental SNAP-formulation studies in localized tissue signaling. https://clinicaltrials.gov/ct2/show/NCT04757216