What Is BPC 157? A Medical Clinic's Guide to the Body Protective Peptide, Its Uses, and What It Actually Does Perfect B Frontiers LL37 driven mast cell degranulation and inflammation in rosacea via TLR2 JAK2 STAT3 axis Read this paper describing a large case series of patients with mast cell activation syndrome (MCAS) and comorbidities, whose MCAS associated symptoms improved significantly on GLP1 agonists. To summarize: 47 BPC 157: Miracle Healing Peptide or Hidden Danger? An essential role for mast cells as modulators of neutrophils influx in collagen induced arthritis in the mouse Laboratory Investigation