Comparison

BPC-157 vs Snap-8

Function

While BPC-157 is investigated for accelerating healing of gastrointestinal mucosa, tendons, ligaments, bone, and nervous tissue in preclinical models, with anti-inflammatory and pro-angiogenic effects111, Snap-8 is a cosmetic peptide studied for reducing wrinkle depth by inhibiting synaptic vesicle fusion and subsequent muscle contraction in facial expression muscles5060.

Mechanism

While BPC-157 works as a synthetic 15-amino-acid fragment of a gastric cytoprotective protein that promotes angiogenesis and tissue protection primarily by modulating VEGFR2 signaling, Src/caveolin-1–dependent eNOS activation, and nitric oxide production111, Snap-8 is acetyl octapeptide-3 (Ac-Glu-Glu-Met-Gln-Arg-Arg-Ala-Asp-NH2), an extended analog of Argireline derived from the N-terminal region of SNAP-25 that competes with native SNAP-25 for binding to syntaxin-1, forming a non-functional SNARE complex and reducing neurotransmitter release5060.

Length and Sequence

BPC-157 is 15 amino acids long, whereas Snap-8 is shorter as it has a length of 8 amino acids. BPC-157 is made up of a sequence of Glycine, Glutamic acid, Proline, Proline, Proline, Glycine, Lysine, Proline, Alanine, Aspartic acid, Aspartic acid, Alanine, Glycine, Leucine, Valine. Snap-8 is made up of a sequence of Glutamic acid, Glutamic acid, Methionine, Glutamine, Arginine, Arginine, Alanine, Aspartic acid.

Receptor

BPC-157

VEGFR2 (vascular endothelial growth factor receptor 2) on endothelial cells, with downstream eNOS and nitric-oxide–mediated signaling11

Snap-8

Targets the SNARE complex (SNAP-25–syntaxin interaction) rather than a cell-surface receptor5060

Organism or Origin

BPC-157

Synthetic peptide derived from a naturally occurring human gastric 'Body Protection Compound' isolated from human gastric juice111

Snap-8

Fully synthetic SNAP-25–derived peptide used in topical anti-wrinkle products5060

Gene

BPC-157

Not assigned in the current dataset.

Snap-8

Not assigned in the current dataset.