Description
Cellular responses to bone morphogenetic proteins (BMPs) have been shown to be mediated by the formation of hetero-oligomeric complexes of the type I and type II serine/threonine kinase receptors. BMP receptor 1A (BMPR-1A), also known as activin receptor-like kinase (ALK)-3, is a monomeric glycoprotein and is a one of seven known type I serine/threonine kinases that are required for the signal transduction of TGF-β family cytokines. Human and mouse BMPR-IA are highly conserved and share 98% sequence identity. BMPRIA immunohistochemistry may be a promising new tool for the identification of enteric ganglion cells in the evaluation of patients with neurointestinal disorders