SNAP-8
Acetyl Octapeptide-3 — elongated SNAP-25 mimetic octapeptide for SNARE complex inhibition, neurotransmitter release, and topical expression-line research
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For research purposes only. Not for human consumption.
Mechanism of Action
SNAP-8 (Acetyl Octapeptide-3) is an elongated, acetylated octapeptide derivative of Argireline (Acetyl Hexapeptide-3) that mimics the N-terminal end of SNAP-25, a core component of the SNARE protein complex responsible for neurotransmitter (acetylcholine) release at the neuromuscular junction. By competitively inhibiting SNARE assembly, SNAP-8 attenuates vesicular acetylcholine exocytosis in research models — producing a topical, reversible reduction in muscle contraction signaling studied in expression-line and dermal-aging models.
How It Works
- 1
Mimics the N-terminal SNAP-25 sequence and competes for the SNARE complex binding site
- 2
Inhibits assembly of the SNARE ternary complex (SNAP-25 / syntaxin / synaptobrevin)
- 3
Reduces calcium-dependent vesicle fusion and acetylcholine release at neuromuscular junctions
- 4
Produces a localized, reversible decrease in facial muscle micro-contractions in topical research models
- 5
Studied for improved penetration and potency vs Argireline due to its extended 8-amino acid sequence
Key Research Benefits
- SNARE complex and exocytosis pathway research
- Topical expression-line and dermal-aging studies
- Neuromuscular junction acetylcholine release investigation
- Non-toxin-based muscle contraction modulation research
- Cosmetic peptide formulation and skin-penetration studies
- Comparative research vs Argireline (Acetyl Hexapeptide-3)
SNAP-8 is widely studied in topical cosmetic peptide research as a needle-free alternative to botulinum toxin models for investigating dynamic expression-line formation. Often formulated into serums and creams at 5–10% concentration in dermal research. Strictly for laboratory and research use — not for human consumption.