SAN DIEGO--(BUSINESS WIRE)--June 21, 2006--Cytori Therapeutics, Inc., (NASDAQ:CYTX - News; Frankfurt:XMPA - News) announced today it has been selected to join the Russell Microcap(TM) Index on June 30, 2006, when Russell Investment Group reconstitutes its family of U.S. indexes, according to a preliminary membership list posted on www.russell.com.