Comparison

Argireline vs Hexarelin

Function

While Argireline is a topical cosmetic peptide reported to decrease dynamic wrinkles by partially mimicking the mechanism of botulinum toxin in a non-invasive manner49, Hexarelin is investigated for effects on GH secretion, cardiac protection, and muscle metabolism, with higher GH secretory potency than earlier GHRPs1929.

Mechanism

While Argireline works as acetyl hexapeptide-8 (Ac-Glu-Glu-Met-Gln-Arg-Arg-NH2), a SNAP-25–mimetic peptide that competitively inhibits SNARE complex assembly, reducing acetylcholine release at neuromuscular junctions and attenuating facial muscle contraction4959, Hexarelin is a potent synthetic hexapeptide (examorelin) that agonizes GHSR-1a to stimulate GH release and also binds CD36, influencing cardiovascular and metabolic pathways19212996.

Length and Sequence

Argireline is 6 amino acids long, whereas Hexarelin is the same length as it has a length of 6 amino acids. Argireline is made up of a sequence of Glutamic acid, Glutamic acid, Methionine, Glutamine, Arginine, Arginine. Hexarelin is made up of a sequence of Histidine, Tryptophan, Alanine, Tryptophan, Phenylalanine, Lysine.

Receptor

Argireline

Molecular target is the SNARE complex component SNAP-25 rather than a classical receptor; it interferes with SNAP-25 participation in vesicle fusion49

Hexarelin

Primary: GHSR-1a (ghrelin receptor); also binds the scavenger receptor CD36 in vascular and macrophage tissues192129

Organism or Origin

Argireline

Fully synthetic neuropeptide used in cosmetic formulations49

Hexarelin

Fully synthetic growth hormone secretagogue29

Gene

Argireline

Not assigned in the current dataset.

Hexarelin

GHSR

Related articles

No related articles are linked to these peptides yet.

Sources

49Acetyl Hexapeptide-8 - Argireline - ChemPep, https://chempep.com/product/acetyl-hexapeptide-8/
59Argireline (Acetyl Hexapeptide-8), https://grindergym.com/argireline-acetyl-hexapeptide-8/
19Identification of the growth hormone-releasing peptide binding site ..., https://pmc.ncbi.nlm.nih.gov/articles/PMC1133797/
21Hexarelin Peptide | Strength & Recovery - Paragon Sports Medicine, https://www.paragonsportsmedicine.com/peptides/hexarelin
29Examorelin - Wikipedia, https://en.wikipedia.org/wiki/Examorelin
96Growth Hormone Secretagogue Receptor - ScienceDirect.com, https://www.sciencedirect.com/topics/biochemistry-genetics-and-molecular-biology/growth-hormone-secretagogue-receptor