CAMBRIDGE, Mass.--(BUSINESS WIRE)--Acceleron Pharma, Inc., a biopharmaceutical company developing novel therapeutics that modulate the growth of cells and tissues including bone, muscle and red blood cells, today announced that John Knopf, Ph.D., Chief Executive Officer of Acceleron, will provide a corporate presentation at the 27th Annual JP Morgan Healthcare Conference on Tuesday January 13, 2009 at 3:00 PM PST (6:00 PM EST) at the Westin St. Francis Hotel in San Francisco.