BPC-157 is a 15-amino acid gastric peptide studied in over 100 published papers for tissue repair, wound healing, angiogenesis, and gastrointestinal cytoprotection research.
BPC-157, or Body Protection Compound-157, is a synthetic pentadecapeptide consisting of 15 amino acids in the sequence Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val (GEPPPGKPADDAGLV). The peptide is derived from a partial sequence of a protein identified in human gastric juice known as BPC (Body Protection Compound), which is naturally present in gastric secretions at nanogram concentrations. Unlike most bioactive peptides, BPC-157 demonstrates remarkable stability in human gastric juice — remaining intact for over 24 hours in acidic conditions that rapidly degrade other peptides — a property attributed to its unique proline-rich N-terminal region.
The molecular mechanisms of BPC-157 have been investigated extensively across over 100 peer-reviewed publications. The peptide modulates multiple signaling pathways simultaneously: it upregulates vascular endothelial growth factor (VEGF) and its receptor VEGFR2, activating angiogenesis cascades critical for tissue vascularization. It stimulates the FAK-paxillin pathway, which governs focal adhesion dynamics and cell spreading on extracellular matrix substrates. BPC-157 interacts with the nitric oxide (NO) system through both eNOS and iNOS modulation, and influences the dopamine, serotonin, and GABAergic neurotransmitter systems. Additionally, it has been shown to counteract the effects of several tissue-damaging agents in research models, including NSAIDs, alcohol, and various toxic compounds, through cytoprotective mechanisms that appear to be mediated in part by growth factor receptor transactivation.
Research applications for BPC-157 span an extraordinarily broad range of tissue types and injury models. Published studies include tendon and ligament repair (Achilles tendon transection models, medial collateral ligament injury), muscle healing (quadriceps crush injury, muscle transection), bone fracture repair, gastrointestinal mucosal integrity (gastric ulcer, inflammatory bowel disease models), liver and pancreatic tissue protection, blood vessel anastomosis healing, and peripheral nerve repair (sciatic nerve crush models). In cell culture studies, BPC-157 promotes endothelial cell tube formation (in vitro angiogenesis), fibroblast migration and proliferation, and tendon fibroblast outgrowth. The peptide has also shown cytoprotective effects against oxidative stress-induced cell damage in multiple cell types.
Key published findings include dose-dependent acceleration of tendon healing with improved collagen fiber organization, enhanced cutaneous wound closure rates in full-thickness skin injury models, restoration of endothelial function following vessel injury, and neuroprotective effects in models of traumatic brain injury and spinal cord damage. The research group of Professor Predrag Sikiric at the University of Zagreb has published the majority of foundational BPC-157 studies, with independent replication by multiple international laboratories.
Supplied as a white lyophilized powder with ≥99% purity confirmed by RP-HPLC and ESI-MS. Each lot includes a comprehensive Certificate of Analysis documenting purity, peptide content, amino acid analysis, residual solvent levels, and endotoxin testing. Store at -20°C desiccated. Reconstitute with bacteriostatic water or sterile 0.9% sodium chloride. Stable for up to 14 days when reconstituted and stored at 2-8°C. For laboratory research purposes only.
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