BPC-157 Reduces Nasal Inflammation in a Dose-Dependent Manner
BPC-157 showed dose-dependent protection against capsaicin-induced nasal inflammation in rats, reducing mast cell infiltration, degranulation, and inflammatory cell accumulation.
Quick Facts
What This Study Found
BPC-157 at 10 µg/kg provided dose-dependent protection against capsaicin-induced rhinitis, reducing mast cell infiltration, degranulation, and inflammatory cell accumulation.
Key Numbers
How They Did This
Rats pretreated with BPC-157 (10 µg/kg or 10 ng/kg IP) or saline, followed by intranasal capsaicin (0.05 mL/nostril of 1750 nmol/L). Animals euthanized at timepoint for histological assessment.
Why This Research Matters
Rhinitis (nasal inflammation) affects hundreds of millions of people. A peptide that reduces mast cell activation and inflammatory infiltration could offer a novel therapeutic approach.
The Bigger Picture
This study expanded BPC-157's known anti-inflammatory properties from the gut to the nasal mucosa, suggesting broad mucosal protective effects.
What This Study Doesn't Tell Us
Animal study with chemical (capsaicin) model of rhinitis that may not fully represent allergic rhinitis. Short-term acute model only.
Questions This Raises
- ?Could BPC-157 be effective for allergic rhinitis in humans?
- ?Would intranasal BPC-157 administration be more effective than systemic?
Trust & Context
- Key Stat:
- Dose-dependent nasal protection 10 µg/kg BPC-157 was more protective than 10 ng/kg against capsaicin rhinitis, both significantly reducing inflammation
- Evidence Grade:
- Moderate animal evidence with clear dose-response relationship and histological quantification of inflammatory markers.
- Study Age:
- Published in 1997, expanding BPC-157's known anti-inflammatory effects to nasal mucosa.
- Original Title:
- Dose-dependent protective effect of BPC 157 on capsaicin-induced rhinitis in rats.
- Published In:
- European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery, 254 Suppl 1, S9-11 (1997)
- Authors:
- Kalogjera, L(2), Ries, M, Baudoin, T, Ferencic, Z, Trotic, R, Pegan, B
- Database ID:
- RPEP-00413
Evidence Hierarchy
Tests effects in animals (usually mice or rats), not humans.
What do these levels mean? →Frequently Asked Questions
What is capsaicin rhinitis?
Capsaicin (the active compound in hot peppers) triggers intense nasal inflammation when applied to the nose. This model mimics aspects of allergic and neurogenic rhinitis, causing mast cell activation and inflammatory cell infiltration.
How does BPC-157 reduce nasal inflammation?
BPC-157 reduced three key inflammatory processes: mast cell infiltration into nasal tissue, mast cell degranulation (releasing histamine and other irritants), and accumulation of other inflammatory cells. This suggests it acts on fundamental inflammatory pathways rather than one specific mediator.
Read More on RethinkPeptides
Cite This Study
https://rethinkpeptides.com/research/RPEP-00413APA
Kalogjera, L; Ries, M; Baudoin, T; Ferencic, Z; Trotic, R; Pegan, B. (1997). Dose-dependent protective effect of BPC 157 on capsaicin-induced rhinitis in rats.. European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery, 254 Suppl 1, S9-11.
MLA
Kalogjera, L, et al. "Dose-dependent protective effect of BPC 157 on capsaicin-induced rhinitis in rats.." European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery, 1997.
RethinkPeptides
RethinkPeptides Research Database. "Dose-dependent protective effect of BPC 157 on capsaicin-ind..." RPEP-00413. Retrieved from https://rethinkpeptides.com/research/kalogjera-1997-dosedependent-protective-effect-of
Access the Original Study
Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.
This study breakdown was produced by the RethinkPeptides research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.