CAMBRIDGE, Mass.--(BUSINESS WIRE)--Acceleron Pharma, Inc., a biopharmaceutical company developing novel therapeutics that modulate the growth of tissues including bone and muscle, today announced it has received the upfront payment from Celgene Corporation following clearance under the Hart-Scott-Rodino Antitrust Improvements Act of 1976 for the collaboration between the two companies previously announced on February 20, 2008.
