ANN ARBOR, Mich., March 21, 2011 (GLOBE NEWSWIRE) -- Aastrom Biosciences, Inc. (Nasdaq:ASTM), a leading developer of expanded autologous cellular therapies for the treatment of severe, chronic cardiovascular diseases, today announced that company shareholders approved amendments to the company’s Restated Articles of Incorporation to increase the number of authorized shares of Aastrom common stock from 62,500,000 to 150,000,000 and to increase the number of shares available under the Aastrom 2009 Omnibus Equity Incentive Plan. The amendments were approved at a special meeting of Aastrom shareholders held on Monday, March 21, 2011.