ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,273, issued on June 24, was assigned to Accerelon Pharma Inc. (Cambridge, Mass.).

"Single-arm type I and type II receptor fusion proteins and uses thereof" was invented by Ravindra Kumar (Cambridge, Mass.), Asya Grinberg (Cambridge, Mass.) and Dianne Sako (Cambridge, Mass.).

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