Acceleron Pharma Inc.
SINGLE-ARM CO-RECEPTOR FUSION PROTEINS AND USES THEREOF

Abstract:

In certain aspects, the disclosure provides single-arm heteromeric polypeptide complexes comprising an extracellular domain of a co-receptor of the TGF-beta superfamily. In some embodiments, the disclosure provides single-arm polypeptide complexes comprising an extracellular domain of a co-receptor selected from: endoglin, betaglycan, Cripto-1, Cryptic, Cryptic family protein 1B, Crim 1, Crim2, BAMBI, BMPER, RGM-A, RGM-B, MuSK, and hemojuvelin. Optionally the complex is a heterodimer. In certain aspects, such polypeptide complexes may be used for the treatment or prevention of various TGF-beta associated conditions, including without limitation diseases and disorders associated with, for example, cancer, muscle, bone, fat, red blood cells, metabolism, fibrosis and other tissues that are affected by one or more ligands of the TGF-beta superfamily.