Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of BMPR1A
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
BMPR1A: A gene located on chromosome 10 in band 10q22.3 that encodes bone morphogenic protein receptor 1A, a kinase receptor that is involved in bone morphogenetic protein (BMP) signaling. Mutations in BMPR1A account for 25% to 40% of cases of juvenile polyposis, an autosomal dominant gastrointestinal polyposis syndrome in which patients are at risk for developing gastrointestinal cancers.