in-vitro · PMID 25587787

Pentadecapeptide BPC 157 enhances the growth hormone receptor expression in tendon fibroblasts — VialBase Research

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Last updated · 2014 · Chang, C.H., Tsai, W.C., Lin, M.S., Hsu, Y.H., Pang, J.H. · Molecules
Key findings
  • BPC-157 increases growth hormone receptor expression in tendon fibroblasts
  • Promotes tendon fibroblast growth and migration
  • Suggests a GH-receptor-mediated mechanism for tendon healing

Summary

This in-vitro study investigated the effects of BPC-157 on growth hormone receptor (GHR) expression in human tendon fibroblasts. The researchers found that BPC-157 significantly upregulates GHR expression, promoting fibroblast proliferation and migration — key processes in tendon repair.

Key Findings

  • BPC-157 significantly increases GHR expression in tendon fibroblasts in a dose-dependent manner
  • Enhanced fibroblast proliferation observed at therapeutic concentrations
  • Increased cell migration, suggesting enhanced wound-healing capacity
  • Proposes a molecular mechanism linking BPC-157 to musculoskeletal healing via GH signaling
  • Effects observed at nanomolar concentrations relevant to therapeutic dosing

Methodology

In-vitro study using cultured human tendon fibroblasts. Cells were treated with varying concentrations of BPC-157. GHR expression was measured via Western blot and RT-PCR. Cell proliferation assessed by MTT assay and migration by wound-healing scratch assay.

Limitations

  • In-vitro study — results may not directly translate to in-vivo conditions
  • Single cell type studied (tendon fibroblasts only)
  • Does not account for systemic factors present in whole-organism healing
  • Limited exploration of downstream signaling pathways

Relevance to Content

Important mechanistic study that helps explain how BPC-157 promotes musculoskeletal healing. The GH receptor connection is relevant for content discussing BPC-157’s synergy with growth hormone or growth hormone secretagogues (e.g., CJC-1295/Ipamorelin stacks). Useful for articles explaining BPC-157 mechanisms of action beyond simple “healing peptide” descriptions.

See Also