N-Acetyl Semax (25mg)

N-Acetyl Semax (25mg) – Research Grade

Look, here’s the deal on N-Acetyl Semax. You’re after a research peptide built for stability and brain barrier penetration. This is the acetylated version of Semax, designed to last longer and potentially work more effectively in experimental models. Think of it as the refined, heavy-duty variant. We stock the 25mg size for serious, extended research protocols.

The core sequence is the same proven fragment (Met-Glu-His-Phe) from ACTH. The key upgrades are the N-Acetyl group and the added Pro-Gly-Pro (PGP) tail. The acetylation helps shield the peptide from breakdown, extending its experimental half-life. The PGP tail is theorized to enhance lipid solubility, which may improve passage across the blood-brain barrier for targeted central nervous system study.

Key Points from the Literature (For Your Research Notes):

• Enhanced Stability: Acetylation is noted to reduce copper ion affinity at the N-terminus, contributing to increased resistance to enzymatic degradation. This means the compound may remain active in your model for a longer observation window.
• Nootropic Research Foundation: Studies on the base Semax peptide show significant potential for impacting memory and attention in models, with observed increases in brain activation via fMRI and a notable boost in memory recall aptitude (71% vs. 41% in controls).
• BDNF & Neurotrophic Action: Research suggests Semax may activate the BDNF/trkB pathway. Observations include a 1.4-fold increase in hippocampal BDNF protein and a 1.5-fold increase in trkB receptor activation. This is crucial for studies on neuronal growth, survival, and cognitive function.
• Neuroprotective & Systemic Effects: Documented research points to potential applications in models of ischemic stroke, optic nerve protection, and even gastric ulcer mitigation—where Semax was observed to accelerate healing significantly compared to controls.
• Neurotransmitter Interaction: Evidence suggests interaction with serotonin and enkephalin systems, potentially stabilizing neural pathways. Serotonin metabolite 5-HIAA has been observed to increase, while the peptide may modulate dopaminergic responsiveness without directly altering dopamine levels.

Specifications:

• Purity: >99% (HPLC verified)
• Molecular Formula: C37H51N9O10S
• Molecular Weight: 858.97 g/mol
• Sequence: Ac-Met-Glu-His-Phe-Pro-Gly-Pro-NH2
• Format: Lyophilized (freeze-dried) powder

Bottom Line for Researchers: If your work involves studying cognitive function, neuroprotection, BDNF pathways, or long-term neuronal effects, N-Acetyl Semax’s modified structure offers a potentially more resilient and bioavailable tool than its predecessor. The existing body of Semax research provides a solid foundation for comparative study.