(Updates)
** Cell therapy developer Longeveron's LGVN.O shares rise
~78.6% to $5.12, its highest since March
** Company says U.S. FDA has granted Regenerative Medicine
Advanced Therapy (RMAT) designation to its mild Alzheimer's
therapy Lomecel-B
** RMAT designation expedites development and review of
regenerative medicine therapies and offers sponsor companies
early interactions with FDA
** Including session's move, stock down 61.9% YTD
(Reporting by Christy Santhosh)
((Christy.Santhosh@thomsonreuters.com))