ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,295, issued on Sept. 23, was assigned to Acceleron Pharma Inc. (Rahway, N.J.).

"TGF-beta superfamily type I and type II receptor heteromultimers and uses thereof" was invented by Ravindra Kumar (Cambridge, Mass.), Asya Grinberg (Cambridge, Mass.), Dianne S. Sako (Cambridge, Mass.) and Roselyne Castonguay (Cambridge, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In certain aspects, the disclosure provides soluble heteromeric polypeptide complexes comprising an extracellular domain of a type I serine/threonine kinase receptor of the TGF-beta family and an extracellular domain of a type II serine/threonine kinase receptor of the TGF-beta family...