Pentadecapeptide BPC 157 enhances the growth hormone receptor expression in tendon fibroblasts.
Level 5 - mechanism / opinion, no new human data
In vitro bench research using isolated animal cells (no human data)
PubMed 25415472 · doi:10.3390/molecules191119066
What was done
Fibroblasts were isolated from the Achilles tendons of male Sprague-Dawley rats and treated with the pentadecapeptide BPC 157. Gene and protein expression were measured using cDNA microarray analysis, real-time PCR, and Western blot. Cell proliferation and signaling responses were evaluated using MTT assays, PCNA mRNA expression, and assessment of Janus kinase 2 (JAK2) pathway activation following growth hormone stimulation.
What was found
The abstract reports no numerical values, concentrations, or statistical metrics. It qualitatively reports that BPC 157 dose- and time-dependently increased growth hormone receptor mRNA and protein expression in rat tendon fibroblasts. Combining growth hormone with BPC 157-treated fibroblasts dose- and time-dependently increased cell proliferation and PCNA expression, and time-dependently activated the downstream JAK2 signaling pathway.
Why it matters
These findings identify a potential molecular mechanism for BPC 157 in tendon repair, suggesting it may promote healing by sensitizing tendon fibroblasts to growth hormone signaling.
Limits
The study is restricted to in vitro rat cell cultures, precluding direct translation to in vivo tissue mechanics or human clinical outcomes. The abstract omits sample sizes, experimental replication counts, exact dosages, and all quantitative data.
Cited by
- supports BPC-157 increases growth hormone receptor expression in tendon tissue models.