Proteon Secures $12 Million

Proteon Therapeutics, a Waltham, Mass.-based drug company focused on renal and vascular diseases, has raised $12 million in second-round funding. Return backers include Intersouth Partners, Prism VentureWorks, Skyline Ventures and TVM Capital. The company raised $19 million in March 2006. www.proteontherapeutics.com