BRIEF-Athersys up 13.5 percent premarket

NEW YORK Tue Dec 17, 2013 7:48am EST

NEW YORK Dec 17 (Reuters) - Athersys Inc : * Up 13.5 percent to $2.31 in premarket; says stem cell therapy gets orphan drug designation in Europe for prevention of graft-versus-host disease

A couple walks along the rough surf during sunset at Oahu's North Shore, December 26, 2013. REUTERS/Kevin Lamarque

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