CLEVELAND, Feb. 17, 2012 (GLOBE NEWSWIRE) -- Athersys, Inc. (Nasdaq:ATHX) announced today that it will present at the 7th Annual Stem Cell Summit on Tuesday, February 21, 2012, at Bridgewaters, located in the South Street Seaport area of New York City. The one-day event attracts leaders in the field of stem cell therapies to discuss the opportunities in the stem cell marketplace, groundbreaking stem cell products that physicians use today, and its growing market potential.