PMID-16609979 – Effective therapy of transected quadriceps muscle in rat
Staresinic M, Petrovic I, Novinscak T, Jukic I, Pevec D, Suknaic S, Kokic N, Batelja L, Brcic L, Boban-Blagaic A, Znika M, Seiwerth S, Sikiric P. "Effective therapy of transected quadriceps muscle in rat: Gastric pentadecapeptide BPC 157," Journal of Orthopaedic Research, 2006;24(5):1109-1117. doi:10.1002/jor.20089
Quick Reference
| Property | Value |
|---|---|
| PMID | 16609979 |
| DOI | 10.1002/jor.20089 |
| Year | 2006 |
| Journal | Journal of Orthopaedic Research |
| Study Type | Animal in vivo |
| Evidence Level | V |
| Sample | Rats with surgically transected quadriceps muscle |
| Peptide(s) Studied | BPC-157 |
Key Findings
- BPC 157 promoted healing of completely transected (severed) quadriceps muscle in rats
- Improvements observed across biomechanical function, walking recovery (functional gait analysis), and microscopic muscle fiber regeneration
- Treatment assessed over a 72-day observation period with multiple time points
- BPC 157 accelerated the regenerative process compared to controls at all time points evaluated
- Histological analysis showed improved muscle fiber organization and reduced fibrosis in treated animals
Study Design
Controlled animal study. Rats underwent complete surgical transection of the quadriceps muscle. BPC 157 was administered (IP or local application) and compared to saline controls. Outcomes assessed included biomechanical testing (muscle strength), functional gait analysis, and histological examination at multiple time points up to 72 days.
Limitations
- Animal study (rat model); direct translation to human muscle injuries uncertain
- From the Sikiric/Staresinic research group (single-group concern)
- Surgical transection is a clean-cut model; may not reflect the complexity of clinical muscle injuries (crush, strain, avulsion)
- Sample sizes typical of preclinical studies
Clinical Relevance
Key study for the muscle healing evidence base of BPC 157. The quadriceps transection model represents a severe injury, and the consistent improvement across functional, biomechanical, and histological outcomes is notable. Published in the Journal of Orthopaedic Research, a well-regarded orthopedic journal. Relevant for the Wolverine Stack Protocol and muscle injury applications.
Related
#research #animal-in-vivo #evidence-level-V